Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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Details

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Content

...	...	@@ -41,48 +41,122 @@
41	41
42	42	(((
43	43	[[image:1653295757274-912.png]]
	44	+
	45	+
44	44	)))
45	45
46	46	== 1.2  Specifications ==
47	47
	50	+(((
48	48	**Hardware System:**
	52	+)))
49	49
50		-* STM32L072CZT6 MCU
51		-* SX1276/78 Wireless Chip
52		-* Power Consumption:
53		-** Idle: 4mA@12v
54		-** 20dB Transmit: 34mA@12v
	54	+* (((
	55	+STM32L072CZT6 MCU
	56	+)))
	57	+* (((
	58	+SX1276/78 Wireless Chip
	59	+)))
	60	+* (((
	61	+(((
	62	+Power Consumption:
	63	+)))
55	55
	65	+* (((
	66	+Idle: 4mA@12v
	67	+)))
	68	+* (((
	69	+20dB Transmit: 34mA@12v
	70	+)))
	71	+)))
	72	+
	73	+(((
56	56	**Interface for Model: LT22222-L:**
	75	+)))
57	57
58		-* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59		-* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60		-* 2 x Relay Output (5A@250VAC / 30VDC)
61		-* 2 x 0~~20mA Analog Input (res:0.01mA)
62		-* 2 x 0~~30V Analog Input (res:0.01v)
63		-* Power Input 7~~ 24V DC.
	77	+* (((
	78	+2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	79	+)))
	80	+* (((
	81	+2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	82	+)))
	83	+* (((
	84	+2 x Relay Output (5A@250VAC / 30VDC)
	85	+)))
	86	+* (((
	87	+2 x 0~~20mA Analog Input (res:0.01mA)
	88	+)))
	89	+* (((
	90	+2 x 0~~30V Analog Input (res:0.01v)
	91	+)))
	92	+* (((
	93	+Power Input 7~~ 24V DC.
	94	+)))
64	64
	96	+(((
65	65	**LoRa Spec:**
	98	+)))
66	66
67		-* Frequency Range:
68		-** Band 1 (HF): 862 ~~ 1020 Mhz
69		-** Band 2 (LF): 410 ~~ 528 Mhz
70		-* 168 dB maximum link budget.
71		-* +20 dBm - 100 mW constant RF output vs.
72		-* +14 dBm high efficiency PA.
73		-* Programmable bit rate up to 300 kbps.
74		-* High sensitivity: down to -148 dBm.
75		-* Bullet-proof front end: IIP3 = -12.5 dBm.
76		-* Excellent blocking immunity.
77		-* Low RX current of 10.3 mA, 200 nA register retention.
78		-* Fully integrated synthesizer with a resolution of 61 Hz.
79		-* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80		-* Built-in bit synchronizer for clock recovery.
81		-* Preamble detection.
82		-* 127 dB Dynamic Range RSSI.
83		-* Automatic RF Sense and CAD with ultra-fast AFC.
84		-* Packet engine up to 256 bytes with CRC.
	100	+* (((
	101	+(((
	102	+Frequency Range:
	103	+)))
85	85
	105	+* (((
	106	+Band 1 (HF): 862 ~~ 1020 Mhz
	107	+)))
	108	+* (((
	109	+Band 2 (LF): 410 ~~ 528 Mhz
	110	+)))
	111	+)))
	112	+* (((
	113	+168 dB maximum link budget.
	114	+)))
	115	+* (((
	116	++20 dBm - 100 mW constant RF output vs.
	117	+)))
	118	+* (((
	119	++14 dBm high efficiency PA.
	120	+)))
	121	+* (((
	122	+Programmable bit rate up to 300 kbps.
	123	+)))
	124	+* (((
	125	+High sensitivity: down to -148 dBm.
	126	+)))
	127	+* (((
	128	+Bullet-proof front end: IIP3 = -12.5 dBm.
	129	+)))
	130	+* (((
	131	+Excellent blocking immunity.
	132	+)))
	133	+* (((
	134	+Low RX current of 10.3 mA, 200 nA register retention.
	135	+)))
	136	+* (((
	137	+Fully integrated synthesizer with a resolution of 61 Hz.
	138	+)))
	139	+* (((
	140	+FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	141	+)))
	142	+* (((
	143	+Built-in bit synchronizer for clock recovery.
	144	+)))
	145	+* (((
	146	+Preamble detection.
	147	+)))
	148	+* (((
	149	+127 dB Dynamic Range RSSI.
	150	+)))
	151	+* (((
	152	+Automatic RF Sense and CAD with ultra-fast AFC.
	153	+)))
	154	+* (((
	155	+Packet engine up to 256 bytes with CRC.
	156	+
	157	+
	158	+)))
	159	+
86	86	== 1.3 Features ==
87	87
88	88	* LoRaWAN Class A & Class C protocol
...	...	@@ -93,6 +93,7 @@
93	93	* Firmware upgradable via program port
94	94	* Counting
95	95
	170	+
96	96	== 1.4  Applications ==
97	97
98	98	* Smart Buildings & Home Automation
...	...	@@ -102,6 +102,7 @@
102	102	* Smart Cities
103	103	* Smart Factory
104	104
	180	+
105	105	== 1.5 Hardware Variants ==
106	106
107	107	(% border="1" style="background-color:#f7faff; width:500px" %)
...	...	@@ -115,6 +115,8 @@
115	115	* 1 x Counting Port
116	116	)))
117	117
	194	+
	195	+
118	118	= 2. Power ON Device =
119	119
120	120	The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
...	...	@@ -125,21 +125,29 @@
125	125
126	126	[[image:1653297104069-180.png]]
127	127
	206	+
128	128	= 3. Operation Mode =
129	129
130	130	== 3.1 How it works? ==
131	131
	211	+(((
132	132	The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
	213	+)))
133	133
134		-In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
	215	+(((
	216	+In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
135	135
136		-3.2 Example to join LoRaWAN network
	218	+
	219	+)))
137	137
	221	+== 3.2 Example to join LoRaWAN network ==
	222	+
	223	+(((
138	138	This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	225	+)))
139	139
140	140	[[image:image-20220523172350-1.png||height="266" width="864"]]
141	141
142		-
143	143	(((
144	144	The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
145	145	)))
...	...	@@ -160,10 +160,12 @@
160	160
161	161	[[image:1653297955910-247.png||height="321" width="716"]]
162	162
	249	+
163	163	Add APP KEY and DEV EUI
164	164
165	165	[[image:1653298023685-319.png]]
166	166
	254	+
167	167	(((
168	168	**Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
169	169	)))
...	...	@@ -170,6 +170,7 @@
170	170
171	171	[[image:1653298044601-602.png||height="405" width="709"]]
172	172
	261	+
173	173	== 3.3 Uplink Payload ==
174	174
175	175	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -181,6 +181,7 @@
181	181	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
182	182	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
183	183
	273	+
184	184	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
185	185
186	186	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
...	...	@@ -216,6 +216,7 @@
216	216	* [1] RO1 relay channel is close and the RO1 LED is ON.
217	217	* [0] RO2 relay channel is open and RO2 LED is OFF;
218	218
	309	+
219	219	**LT22222-L:**
220	220
221	221	* [1] DI2 channel is high input and DI2 LED is ON;
...	...	@@ -231,11 +231,14 @@
231	231	** DO1 is high in case there is load between DO1 and V+.
232	232	** DO1 LED is off in both case
233	233
	325	+
234	234	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
235	235
236	236	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237	237
	330	+(((
238	238	Total : 11 bytes payload
	332	+)))
239	239
240	240	[[image:image-20220523180452-3.png]]
241	241
...	...	@@ -249,54 +249,79 @@
249	249	* FIRST: Indicate this is the first packet after join network.
250	250	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251	251
	346	+(((
252	252	(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	348	+)))
253	253
	350	+(((
254	254	**To use counting mode, please run:**
	352	+)))
255	255
256	256	(% class="box infomessage" %)
257	257	(((
	356	+(((
258	258	**AT+MOD=2**
259	259	)))
	359	+)))
260	260
261	261	(% class="box infomessage" %)
262	262	(((
	363	+(((
263	263	**ATZ**
264	264	)))
	366	+)))
265	265
	368	+(((
266	266	(% style="color:#4f81bd" %)**AT Commands for counting:**
	370	+)))
267	267
	372	+(((
268	268	**For LT22222-L:**
	374	+)))
269	269
270	270	(% class="box infomessage" %)
271	271	(((
	378	+(((
272	272	**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273	273	)))
	381	+)))
274	274
275	275	(% class="box infomessage" %)
276	276	(((
	385	+(((
277	277	**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278	278	)))
	388	+)))
279	279
280	280	(% class="box infomessage" %)
281	281	(((
	392	+(((
282	282	**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283	283	)))
	395	+)))
284	284
285	285	(% class="box infomessage" %)
286	286	(((
	399	+(((
287	287	**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288	288	)))
	402	+)))
289	289
290	290	(% class="box infomessage" %)
291	291	(((
	406	+(((
292	292	**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293	293	)))
	409	+)))
294	294
295	295	(% class="box infomessage" %)
296	296	(((
	413	+(((
297	297	**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298	298	)))
	416	+)))
299	299
	418	+
300	300	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
301	301
302	302	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -313,22 +313,34 @@
313	313	* FIRST: Indicate this is the first packet after join network.
314	314	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315	315
	435	+(((
316	316	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	437	+)))
317	317
	439	+(((
318	318	**To use counting mode, please run:**
	441	+)))
319	319
320	320	(% class="box infomessage" %)
321	321	(((
	445	+(((
322	322	**AT+MOD=3**
323	323	)))
	448	+)))
324	324
325	325	(% class="box infomessage" %)
326	326	(((
	452	+(((
327	327	**ATZ**
328	328	)))
	455	+)))
329	329
330		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	457	+(((
	458	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
331	331
	460	+
	461	+)))
	462	+
332	332	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333	333
334	334	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -347,45 +347,69 @@
347	347	* FIRST: Indicate this is the first packet after join network.
348	348	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349	349
	481	+(((
350	350	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	483	+)))
351	351
	485	+(((
352	352	**To use this mode, please run:**
	487	+)))
353	353
354	354	(% class="box infomessage" %)
355	355	(((
	491	+(((
356	356	**AT+MOD=4**
357	357	)))
	494	+)))
358	358
359	359	(% class="box infomessage" %)
360	360	(((
	498	+(((
361	361	**ATZ**
362	362	)))
	501	+)))
363	363
	503	+(((
	504	+
	505	+)))
364	364
365		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	507	+(((
	508	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	509	+)))
366	366
	511	+(((
367	367	**Plus below command for AVI1 Counting:**
	513	+)))
368	368
369	369	(% class="box infomessage" %)
370	370	(((
	517	+(((
371	371	**AT+SETCNT=3,60   (set AVI Count to 60)**
372	372	)))
	520	+)))
373	373
374	374	(% class="box infomessage" %)
375	375	(((
	524	+(((
376	376	**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377	377	)))
	527	+)))
378	378
379	379	(% class="box infomessage" %)
380	380	(((
	531	+(((
381	381	**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382	382	)))
	534	+)))
383	383
384	384	(% class="box infomessage" %)
385	385	(((
	538	+(((
386	386	**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387	387	)))
	541	+)))
388	388
	543	+
389	389	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390	390
391	391	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -398,24 +398,38 @@
398	398
399	399	* RO is for relay. ROx=1 : close，ROx=0 always open.
400	400	* FIRST: Indicate this is the first packet after join network.
401		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	556	+* (((
	557	+DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	558	+)))
402	402
	560	+(((
403	403	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	562	+)))
404	404
	564	+(((
405	405	**To use this mode, please run:**
	566	+)))
406	406
407	407	(% class="box infomessage" %)
408	408	(((
	570	+(((
409	409	**AT+MOD=5**
410	410	)))
	573	+)))
411	411
412	412	(% class="box infomessage" %)
413	413	(((
	577	+(((
414	414	**ATZ**
415	415	)))
	580	+)))
416	416
417		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	582	+(((
	583	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
418	418
	585	+
	586	+)))
	587	+
419	419	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420	420
421	421	(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
...	...	@@ -463,7 +463,7 @@
463	463
464	464	**Downlink Command to set Trigger Condition**
465	465
466		-Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
	635	+Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
467	467
468	468	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
469	469
...	...	@@ -483,7 +483,7 @@
483	483
484	484	Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485	485
486		-Example2: AA 02 01 00
	655	+**Example2**: AA 02 01 00
487	487
488	488	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489	489
...	...	@@ -536,10 +536,13 @@
536	536
537	537	When device got this command, it will send the MOD6 payload.
538	538
	708	+
539	539	=== 3.3.7 Payload Decoder ===
540	540
541	541	(((
542	542	**Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
	713	+
	714	+
543	543	)))
544	544
545	545	== 3.4 ​Configure LT via AT or Downlink ==
...	...	@@ -554,79 +554,96 @@
554	554
555	555	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
556	556
	729	+
557	557	=== 3.4.1 Common Commands ===
558	558
559		-They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
	732	+They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
560	560
561		-=== Sensor related commands ===
562	562
	735	+=== 3.4.2 Sensor related commands ===
563	563
564		-==== Set Transmit Interval ====
	737	+==== 3.4.2.1 Set Transmit Interval ====
565	565
566	566	Set device uplink interval.
567	567
568	568	* AT Command:
569	569
570		-AT+TDC=N
	743	+(% class="box infomessage" %)
	744	+(((
	745	+**AT+TDC=N **
	746	+)))
571	571
572		-Example: AT+TDC=30000. Means set interval to 30 seconds
	748	+**Example: **AT+TDC=30000. Means set interval to 30 seconds
573	573
574		-
575	575	* Downlink Payload (prefix 0x01):
576	576
577		-0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
	752	+(% class="box infomessage" %)
	753	+(((
	754	+**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
	755	+)))
578	578
579	579
580		-==== Set Work Mode (AT+MOD) ====
	758	+==== 3.4.2.2 Set Work Mode (AT+MOD) ====
581	581
582	582	Set work mode.
583	583
584	584	* AT Command:
585	585
586		-AT+MOD=N
	764	+(% class="box infomessage" %)
	765	+(((
	766	+**AT+MOD=N  **
	767	+)))
587	587
588		-Example: AT+MOD=2. Set work mode to Double DI counting mode
	769	+**Example**: AT+MOD=2. Set work mode to Double DI counting mode
589	589
590		-
591	591	* Downlink Payload (prefix 0x0A):
592	592
593		-0x0A aa     ~/~/ Same as AT+MOD=aa
	773	+(% class="box infomessage" %)
	774	+(((
	775	+**0x0A aa     ~/~/ Same as AT+MOD=aa**
	776	+)))
594	594
595	595
	779	+==== 3.4.2.3 Poll an uplink ====
596	596
597		-==== Poll an uplink ====
598		-
599	599	* AT Command:
600	600
601	601	There is no AT Command to poll uplink
602	602
603		-
604	604	* Downlink Payload (prefix 0x08):
605	605
606		-0x08 FF     ~/~/ Poll an uplink,
	787	+(% class="box infomessage" %)
	788	+(((
	789	+**0x08 FF     ~/~/ Poll an uplink,**
	790	+)))
607	607
608		-Example: 0x08FF, ask device to send an Uplink
	792	+**Example**: 0x08FF, ask device to send an Uplink
609	609
610	610
611		-==== Enable Trigger Mode ====
	795	+==== 3.4.2.4 Enable Trigger Mode ====
612	612
613		-Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
	797	+Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
614	614
615	615	* AT Command:
616	616
617		-AT+ADDMOD6=1 or 0
	801	+(% class="box infomessage" %)
	802	+(((
	803	+**AT+ADDMOD6=1 or 0**
	804	+)))
618	618
619	619	1: Enable Trigger Mode
620	620
621	621	0: Disable Trigger Mode
622	622
623		-
624	624	* Downlink Payload (prefix 0x0A 06):
625	625
626		-0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
	812	+(% class="box infomessage" %)
	813	+(((
	814	+**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
	815	+)))
627	627
628	628
629		-==== Poll trigger settings ====
	818	+==== 3.4.2.5 Poll trigger settings ====
630	630
631	631	Poll trigger settings,
632	632
...	...	@@ -634,339 +634,347 @@
634	634
635	635	There is no AT Command for this feature.
636	636
637		-
638	638	* Downlink Payload (prefix 0x AB 06):
639	639
640		-0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
	828	+(% class="box infomessage" %)
	829	+(((
	830	+**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
	831	+)))
641	641
642	642
643		-==== Enable / Disable DI1/DI2/DI3 as trigger ====
	834	+==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
644	644
645	645	Enable Disable DI1/DI2/DI2 as trigger,
646	646
647	647	* AT Command:
648	648
649		-Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
	840	+(% class="box infomessage" %)
	841	+(((
	842	+**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	843	+)))
650	650
651		-Example:
	845	+**Example:**
652	652
653	653	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
654	654
655		-
656		-
657	657	* Downlink Payload (prefix 0xAA 02):
658	658
659		-0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
	851	+(% class="box infomessage" %)
	852	+(((
	853	+**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
	854	+)))
660	660
661	661
	857	+==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
662	662
663		-==== Trigger1 – Set DI1 or DI3 as trigger ====
664		-
665	665	Set DI1 or DI3(for LT-33222-L) trigger.
666	666
667	667	* AT Command:
668	668
669		-AT+TRIG1=a,b
	863	+(% class="box infomessage" %)
	864	+(((
	865	+**AT+TRIG1=a,b**
	866	+)))
670	670
671	671	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
672	672
673	673	b : delay timing.
674	674
675		-Example:
	872	+**Example:**
676	676
677	677	AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
678	678
679		-
680	680	* Downlink Payload (prefix 0x09 01 ):
681	681
682		-0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
	878	+(% class="box infomessage" %)
	879	+(((
	880	+**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
	881	+)))
683	683
684	684
685		-==== Trigger2 – Set DI2 as trigger ====
	884	+==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
686	686
687	687	Set DI2 trigger.
688	688
689	689	* AT Command:
690	690
691		-AT+TRIG2=a,b
	890	+(% class="box infomessage" %)
	891	+(((
	892	+**AT+TRIG2=a,b**
	893	+)))
692	692
693	693	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
694	694
695	695	b : delay timing.
696	696
697		-Example:
	899	+**Example:**
698	698
699	699	AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
700	700
701		-
702	702	* Downlink Payload (prefix 0x09 02 ):
703	703
704		-0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
	905	+(% class="box infomessage" %)
	906	+(((
	907	+**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
	908	+)))
705	705
706	706
707		-==== Trigger – Set AC (current) as trigger ====
	911	+==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
708	708
709		-Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
	913	+Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
710	710
711	711	* AT Command:
712	712
713		-AT+ACLIM. See [[trigger mode>>path:#MOD6]]
	917	+(% class="box infomessage" %)
	918	+(((
	919	+**AT+ACLIM. **
	920	+)))
714	714
715		-
716	716	* Downlink Payload (prefix 0xAA 01 ):
717	717
718		-0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
	924	+(% class="box infomessage" %)
	925	+(((
	926	+**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
	927	+)))
719	719
720	720
721		-==== Trigger – Set AV (voltage) as trigger ====
	930	+==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
722	722
723		-Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
	932	+Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
724	724
725	725	* AT Command:
726	726
727		-AT+AVLIM. See [[trigger mode>>path:#MOD6]]
	936	+(% class="box infomessage" %)
	937	+(((
	938	+**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
	939	+)))
728	728
729		-
730	730	* Downlink Payload (prefix 0xAA 00 ):
731	731
732		-0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
	943	+(% class="box infomessage" %)
	944	+(((
	945	+**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
	946	+)))
733	733
734		-==== Trigger – Set minimum interval ====
735	735
	949	+==== 3.4.2.11 Trigger – Set minimum interval ====
	950	+
736	736	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
737	737
738	738	* AT Command:
739	739
740		-AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
	955	+(% class="box infomessage" %)
	956	+(((
	957	+**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
	958	+)))
741	741
742		-
743	743	* Downlink Payload (prefix 0xAC ):
744	744
745		-0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
	962	+(% class="box infomessage" %)
	963	+(((
	964	+**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
	965	+)))
746	746
747	747
748		-==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
	968	+==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
749	749
750	750	* AT Command:
751	751
752	752	There is no AT Command to control Digital Output
753	753
754		-
755	755	* Downlink Payload (prefix 0x02):
756	756
757		-0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
	976	+(% class="box infomessage" %)
	977	+(((
	978	+**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
	979	+)))
758	758
	981	+(((
759	759	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
	983	+)))
760	760
	985	+(((
761	761	01: Low,  00: High ,  11: No action
	987	+)))
762	762
763		-(% border="1" style="background-color:#f7faff" %)
764		-|Downlink Code|DO1|DO2|DO3
765		-|02  01  00  11|Low|High|No Action
766		-|02  00  11  01|High|No Action|Low
767		-|02  11  01  00|No Action|Low|High
	989	+[[image:image-20220524092754-5.png]]
768	768
769		-Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	991	+(((
	992	+(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	993	+)))
770	770
771		-Device will upload a packet if downlink code executes successfully.
	995	+(((
	996	+(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
	997	+)))
772	772
773	773
	1000	+==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
774	774
775		-
776		-
777		-==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
778		-
779	779	* AT Command:
780	780
781	781	There is no AT Command to control Digital Output
782	782
783		-
784	784	* Downlink Payload (prefix 0xA9):
785	785
786		-0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
	1008	+(% class="box infomessage" %)
	1009	+(((
	1010	+(((
	1011	+**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
	1012	+)))
	1013	+)))
787	787
788	788	This is to control the digital output time of DO pin. Include four bytes:
789	789
790		-**First Byte:** Type code (0xA9)
	1017	+(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
791	791
792		-**Second Byte**: Inverter Mode
	1019	+(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
793	793
794	794	01: DO pins will change back to original state after timeout.
795	795
796	796	00: DO pins will change to an inverter state after timeout
797	797
	1025	+(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
798	798
799		-**Third Byte**: Control Method and Ports status:
	1027	+[[image:image-20220524093238-6.png]]
800	800
801		-(% border="1" style="background-color:#f7faff" %)
802		-|Second Byte|Status
803		-|0x01|DO1 set to low
804		-|0x00|DO1 set to high
805		-|0x11|DO1 NO Action
	1029	+(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
806	806
807		-**Fourth Byte**: Control Method and Ports status:
	1031	+[[image:image-20220524093328-7.png]]
808	808
809		-(% border="1" style="background-color:#f7faff" %)
810		-|Second Byte|Status
811		-|0x01|DO2 set to low
812		-|0x00|DO2 set to high
813		-|0x11|DO2 NO Action
	1033	+(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
814	814
815		-**Fifth Byte**: Control Method and Ports status:
	1035	+[[image:image-20220524093351-8.png]]
816	816
817		-(% border="1" style="background-color:#f7faff" %)
818		-|Second Byte|Status
819		-|0x01|DO3 set to low
820		-|0x00|DO3 set to high
821		-|0x11|DO3 NO Action
	1037	+(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
822	822
823		-**Sixth and Seventh Byte**:
824		-
825	825	Latching time. Unit: ms
826	826
827	827	Device will upload a packet if downlink code executes successfully.
828	828
	1043	+**Example payload:**
829	829
	1045	+**~1. A9 01 01 01 01 07 D0**
830	830
831		-Example payload:
832		-
833		-1. A9 01 01 01 01 07 D0
834		-
835	835	DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
836	836
	1049	+**2. A9 01 00 01 11 07 D0**
837	837
838		-1. A9 01 00 01 11 07 D0
839		-
840	840	DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
841	841
	1053	+**3. A9 00 00 00 00 07 D0**
842	842
843		-1. A9 00 00 00 00 07 D0
844		-
845	845	DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
846	846
	1057	+**4. A9 00 11 01 00 07 D0**
847	847
848		-1. A9 00 11 01 00 07 D0
849		-
850	850	DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
851	851
852	852
	1062	+=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
853	853
854		-
855		-==== Relay ~-~- Control Relay Output RO1/RO2 ====
856		-
857	857	* AT Command:
858	858
859	859	There is no AT Command to control Relay Output
860	860
861		-
862	862	* Downlink Payload (prefix 0x03):
863	863
864		-0x03 aa bb     ~/~/ Set RO1/RO2 output
	1070	+(% class="box infomessage" %)
	1071	+(((
	1072	+**0x03 aa bb     ~/~/ Set RO1/RO2 output**
	1073	+)))
865	865
	1075	+(((
866	866	If payload = 0x030100, it means set RO1 to close and RO2 to open.
	1077	+)))
867	867
	1079	+(((
868	868	01: Close ,  00: Open , 11: No action
	1081	+)))
869	869
870		-(% border="1" style="background-color:#f7faff" %)
871		-|Downlink Code|RO1|RO2
872		-|03  00  11|Open|No Action
873		-|03  01  11|Close|No Action
874		-|03  11  00|No Action|Open
875		-|03  11  01|No Action|Close
876		-|03  00  00|Open|Open
877		-|03  01  01|Close|Close
878		-|03  01  00|Close|Open
879		-|03  00  01|Open|Close
	1083	+(((
	1084	+[[image:image-20220524093724-9.png]]
	1085	+)))
880	880
881	881	Device will upload a packet if downlink code executes successfully.
882	882
883	883
884		-==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
	1090	+==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
885	885
886	886	* AT Command:
887	887
888	888	There is no AT Command to control Relay Output
889	889
890		-
891	891	* Downlink Payload (prefix 0x05):
892	892
893		-0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
	1098	+(% class="box infomessage" %)
	1099	+(((
	1100	+**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
	1101	+)))
894	894
895	895	This is to control the relay output time of relay. Include four bytes:
896	896
897		-**First Byte:** Type code (0x05)
	1105	+(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
898	898
899		-**Second Byte(aa)**: Inverter Mode
	1107	+(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
900	900
901	901	01: Relays will change back to original state after timeout.
902	902
903	903	00: Relays will change to an inverter state after timeout
904	904
	1113	+(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
905	905
906		-**Third Byte(bb)**: Control Method and Ports status:
	1115	+[[image:image-20220524093831-10.png]]
907	907
908		-(% border="1" style="background-color:#f7faff" %)
909		-|Value|Status
910		-|0x11|RO1 and RO2 to NO
911		-|0x10|RO2 to NO, RO1 to NC
912		-|0x01|RO2 to NC, RO1 to NO
913		-|0x00|RO1 and RO2 to NC.
914		-|0x20|RO1 No Action, RO2 to NC
915		-|0x21|RO1 No Action, RO2 to NO
916		-|0x02|RO1 to NC, RO2 No Action
917		-|0x12|RO1 to NO, RO2 No Action
	1117	+(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
918	918
919		-**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
920		-
921	921	Device will upload a packet if downlink code executes successfully.
922	922
923		-
924		-
925	925	**Example payload:**
926	926
927		-1. 05 01 11 07 D0
	1123	+**~1. 05 01 11 07 D0**
928	928
929	929	Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
930	930
	1127	+**2. 05 01 10 07 D0**
931	931
932		-1. 05 01 10 07 D0
933		-
934	934	Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
935	935
	1131	+**3. 05 00 01 07 D0**
936	936
937		-1. 05 00 01 07 D0
938		-
939	939	Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
940	940
	1135	+**4. 05 00 00 07 D0**
941	941
942		-1. 05 00 00 07 D0
943		-
944	944	Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
945	945
946	946
	1140	+==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
947	947
	1142	+When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
948	948
949		-
950		-
951		-==== Counting ~-~- Voltage threshold counting ====
952		-
953		-When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
954		-
955	955	* AT Command:
956	956
957		-AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
	1146	+(% class="box infomessage" %)
	1147	+(((
	1148	+**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
	1149	+)))
958	958
959		-
960	960	* Downlink Payload (prefix 0xA5):
961	961
962		-0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
	1153	+(% class="box infomessage" %)
	1154	+(((
	1155	+**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
	1156	+)))
963	963
964	964
965		-==== Counting ~-~- Pre-configure the Count Number ====
	1159	+==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
966	966
967	967	* AT Command:
968	968
969		-AT+SETCNT=aa,(bb cc dd ee)
	1163	+(% class="box infomessage" %)
	1164	+(((
	1165	+**AT+SETCNT=aa,(bb cc dd ee) **
	1166	+)))
970	970
971	971	aa: 1: Set count1,
972	972
...	...	@@ -976,115 +976,121 @@
976	976
977	977	Bb cc dd ee: number to be set
978	978
979		-
980	980	* Downlink Payload (prefix 0xA8):
981	981
982		-0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
	1178	+(% class="box infomessage" %)
	1179	+(((
	1180	+**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
	1181	+)))
983	983
984	984
	1184	+==== 3.4.2.18 Counting ~-~- Clear Counting ====
985	985
986		-
987		-
988		-==== Counting ~-~- Clear Counting ====
989		-
990	990	Clear counting for counting mode
991	991
992	992	* AT Command:
993	993
994		-AT+CLRCOUNT ~/~/ clear all counting
	1190	+(% class="box infomessage" %)
	1191	+(((
	1192	+**AT+CLRCOUNT ~/~/ clear all counting**
	1193	+)))
995	995
996		-
997	997	* Downlink Payload (prefix 0xA6):
998	998
999		-0x A6 01     ~/~/ clear all counting,
	1197	+(% class="box infomessage" %)
	1198	+(((
	1199	+**0x A6 01     ~/~/ clear all counting,**
	1200	+)))
1000	1000
1001	1001
	1203	+==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1002	1002
1003		-
1004		-==== Counting ~-~- Change counting mode save time ====
1005		-
1006	1006	* AT Command:
1007	1007
1008		-AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
	1207	+(% class="box infomessage" %)
	1208	+(((
	1209	+**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
	1210	+)))
1009	1009
1010		-
1011	1011	* Downlink Payload (prefix 0xA7):
1012	1012
1013		-0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
	1214	+(% class="box infomessage" %)
	1215	+(((
	1216	+**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
	1217	+)))
1014	1014
	1219	+(((
1015	1015	range: aa bb cc:0 to 16777215,  (unit:second)
1016	1016
	1222	+
	1223	+)))
1017	1017
	1225	+== 3.5 Integrate with Mydevice ==
1018	1018
1019		-
1020		-1.
1021		-11. Integrate with Mydevice
1022		-
1023	1023	Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1024	1024
	1229	+(((
	1230	+**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
	1231	+)))
1025	1025
1026		-Step 1: Be sure that your device is programmed and properly connected to the network at this time.
	1233	+(((
	1234	+**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1235	+)))
1027	1027
1028		-Step 2: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1237	+[[image:1653356737703-362.png||height="232" width="732"]]
1029	1029
	1239	+[[image:image-20220524094641-11.png||height="390" width="723"]]
1030	1030
1031		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
	1241	+[[image:image-20220524094641-12.png||height="402" width="718"]]
1032	1032
	1243	+**Step 3**: Create an account or log in Mydevices.
1033	1033
1034		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
	1245	+**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1035	1035
1036		-
1037		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
1038		-
1039		-
1040		-
1041		-Step 3: Create an account or log in Mydevices.
1042		-
1043		-Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1044		-
1045	1045	Search under The things network
1046	1046
1047		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
	1249	+[[image:1653356838789-523.png||height="337" width="740"]]
1048	1048
1049	1049
1050	1050	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1051	1051
1052		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
	1254	+[[image:image-20220524094909-1.png||height="335" width="729"]]
1053	1053
	1256	+[[image:image-20220524094909-2.png||height="337" width="729"]]
1054	1054
1055		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
	1258	+[[image:image-20220524094909-3.png||height="338" width="727"]]
1056	1056
	1260	+[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1057	1057
1058		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
	1262	+[[image:image-20220524094909-5.png||height="341" width="734"]]
1059	1059
1060	1060
1061		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
	1265	+== 3.6 Interface Detail ==
1062	1062
	1267	+=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1063	1063
1064		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1065		-
1066		-
1067		-1.
1068		-11. Interface Detail
1069		-111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1070		-
1071	1071	Support NPN Type sensor
1072	1072
1073		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
	1271	+[[image:1653356991268-289.png]]
1074	1074
1075	1075
	1274	+=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1076	1076
1077		-1.
1078		-11.
1079		-111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1080		-
	1276	+(((
1081	1081	The DI port of LT-22222-L can support NPN or PNP output sensor.
	1278	+)))
1082	1082
	1280	+(((
	1281	+(((
1083	1083	Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
	1283	+)))
	1284	+)))
1084	1084
1085		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	1286	+[[image:1653357170703-587.png]]
1086	1086
	1288	+(((
1087	1087	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
	1290	+)))
1088	1088
1089	1089
1090	1090	**Example1**: Connect to a Low active sensor.
...	...	@@ -1094,11 +1094,11 @@
1094	1094	* Connect sensor’s output to DI1-
1095	1095	* Connect sensor’s VCC to DI1+.
1096	1096
1097		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1300	+So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1098	1098
1099		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
	1302	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1100	1100
1101		-If DI1+ = 12v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 12mA , So the LT-22222-L will be able to detect this active signal.
	1304	+If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1102	1102
1103	1103
1104	1104	**Example2**: Connect to a High active sensor.
...	...	@@ -1110,12 +1110,12 @@
1110	1110
1111	1111	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1112	1112
1113		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
	1316	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1114	1114
1115		-If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 24mA , So the LT-22222-L will be able to detect this high active signal.
	1318	+If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1116	1116
1117	1117
1118		-**Example3**: Connect to a 220v high active sensor.公司测试一下
	1321	+**Example3**: Connect to a 220v high active sensor.
1119	1119
1120	1120	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1121	1121
...	...	@@ -1124,34 +1124,26 @@
1124	1124
1125	1125	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1126	1126
1127		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
	1330	+ [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1128	1128
1129		-If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
	1332	+If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1130	1130
1131	1131
1132		-1.
1133		-11.
1134		-111. Digital Output Port: DO1/DO2 /DO3
	1335	+=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1135	1135
1136	1136	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1137	1137
1138		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1339	+[[image:1653357531600-905.png]]
1139	1139
1140	1140
	1342	+=== 3.6.4 Analog Input Interface ===
1141	1141
1142		-
1143		-1.
1144		-11.
1145		-111. Analog Input Interface
1146		-
1147	1147	The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1148	1148
1149		-AC2 = (IN2 voltage )/12
	1346	+**AC2 = (IN2 voltage )/12**
1150	1150
1151		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	1348	+[[image:1653357592296-182.png]]
1152	1152
1153		-
1154		-
1155	1155	Example to connect a 4~~20mA sensor
1156	1156
1157	1157	We take the wind speed sensor as an example for reference only.
...	...	@@ -1167,423 +1167,640 @@
1167	1167
1168	1168	Connection diagram:
1169	1169
1170		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
	1365	+[[image:1653357640609-758.png]]
1171	1171
1172		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	1367	+[[image:1653357648330-671.png||height="155" width="733"]]
1173	1173
1174	1174
	1370	+=== 3.6.5 Relay Output ===
1175	1175
1176		-1.
1177		-11.
1178		-111. Relay Output
1179		-
	1372	+(((
1180	1180	The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
	1374	+)))
1181	1181
1182		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1376	+[[image:image-20220524100215-9.png]]
1183	1183
	1378	+[[image:image-20220524100215-10.png||height="382" width="723"]]
1184	1184
1185		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1186	1186
	1381	+== 3.7 LEDs Indicators ==
1187	1187
	1383	+[[image:image-20220524100748-11.png]]
1188	1188
1189	1189
	1386	+= 4. Use AT Command =
1190	1190
1191		-1.
1192		-11. LEDs Indicators
	1388	+== 4.1 Access AT Command ==
1193	1193
1194		-(% border="1" style="background-color:#f7faff" %)
1195		-|**LEDs**|**Feature**
1196		-|**PWR**|Always on if there is power
1197		-|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1198		-|**TX**|(((
1199		-Device boot: TX blinks 5 times.
	1390	+LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1200	1200
1201		-Successful join network: TX ON for 5 seconds.
	1392	+[[image:1653358238933-385.png]]
1202	1202
1203		-Transmit a LoRa packet: TX blinks once
	1394	+(((
	1395	+In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1204	1204	)))
1205		-|**RX**|RX blinks once when receive a packet.
1206		-|**DO1**|
1207		-|**DO2**|
1208		-|**DO3**|
1209		-|**DI2**|(((
1210		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1211	1211
1212		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1213		-)))
1214		-|**DI2**|(((
1215		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1398	+[[image:1653358355238-883.png]]
1216	1216
1217		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1400	+(((
	1401	+More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1218	1218	)))
1219		-|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1220		-|**DI2**|(((
1221		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1222	1222
1223		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1404	+(((
	1405	+AT+<CMD>?        : Help on <CMD>
1224	1224	)))
1225		-|**RO1**|
1226		-|**RO2**|
1227	1227
1228		-1. Use AT Command
1229		-11. Access AT Command
1230		-
1231		-LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1232		-
1233		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1234		-
1235		-
1236		-In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1237		-
1238		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1239		-
1240		-
1241		-More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1242		-
1243		-AT+<CMD>?        : Help on <CMD>
1244		-
	1408	+(((
1245	1245	AT+<CMD>         : Run <CMD>
	1410	+)))
1246	1246
	1412	+(((
1247	1247	AT+<CMD>=<value> : Set the value
	1414	+)))
1248	1248
	1416	+(((
1249	1249	AT+<CMD>=?       : Get the value
	1418	+)))
1250	1250
	1420	+(((
1251	1251	ATZ: Trig a reset of the MCU
	1422	+)))
1252	1252
	1424	+(((
1253	1253	AT+FDR: Reset Parameters to Factory Default, Keys Reserve
	1426	+)))
1254	1254
	1428	+(((
1255	1255	AT+DEUI: Get or Set the Device EUI
	1430	+)))
1256	1256
	1432	+(((
1257	1257	AT+DADDR: Get or Set the Device Address
	1434	+)))
1258	1258
	1436	+(((
1259	1259	AT+APPKEY: Get or Set the Application Key
	1438	+)))
1260	1260
	1440	+(((
1261	1261	AT+NWKSKEY: Get or Set the Network Session Key
	1442	+)))
1262	1262
	1444	+(((
1263	1263	AT+APPSKEY: Get or Set the Application Session Key
	1446	+)))
1264	1264
	1448	+(((
1265	1265	AT+APPEUI: Get or Set the Application EUI
	1450	+)))
1266	1266
	1452	+(((
1267	1267	AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
	1454	+)))
1268	1268
	1456	+(((
1269	1269	AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
	1458	+)))
1270	1270
	1460	+(((
1271	1271	AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1462	+)))
1272	1272
	1464	+(((
1273	1273	AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
	1466	+)))
1274	1274
	1468	+(((
1275	1275	AT+PNM: Get or Set the public network mode. (0: off, 1: on)
	1470	+)))
1276	1276
	1472	+(((
1277	1277	AT+RX2FQ: Get or Set the Rx2 window frequency
	1474	+)))
1278	1278
	1476	+(((
1279	1279	AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
	1478	+)))
1280	1280
	1480	+(((
1281	1281	AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
	1482	+)))
1282	1282
	1484	+(((
1283	1283	AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
	1486	+)))
1284	1284
	1488	+(((
1285	1285	AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
	1490	+)))
1286	1286
	1492	+(((
1287	1287	AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
	1494	+)))
1288	1288
	1496	+(((
1289	1289	AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1498	+)))
1290	1290
	1500	+(((
1291	1291	AT+NWKID: Get or Set the Network ID
	1502	+)))
1292	1292
	1504	+(((
1293	1293	AT+FCU: Get or Set the Frame Counter Uplink
	1506	+)))
1294	1294
	1508	+(((
1295	1295	AT+FCD: Get or Set the Frame Counter Downlink
	1510	+)))
1296	1296
	1512	+(((
1297	1297	AT+CLASS: Get or Set the Device Class
	1514	+)))
1298	1298
	1516	+(((
1299	1299	AT+JOIN: Join network
	1518	+)))
1300	1300
	1520	+(((
1301	1301	AT+NJS: Get OTAA Join Status
	1522	+)))
1302	1302
	1524	+(((
1303	1303	AT+SENDB: Send hexadecimal data along with the application port
	1526	+)))
1304	1304
	1528	+(((
1305	1305	AT+SEND: Send text data along with the application port
	1530	+)))
1306	1306
	1532	+(((
1307	1307	AT+RECVB: Print last received data in binary format (with hexadecimal values)
	1534	+)))
1308	1308
	1536	+(((
1309	1309	AT+RECV: Print last received data in raw format
	1538	+)))
1310	1310
	1540	+(((
1311	1311	AT+VER: Get current image version and Frequency Band
	1542	+)))
1312	1312
	1544	+(((
1313	1313	AT+CFM: Get or Set the confirmation mode (0-1)
	1546	+)))
1314	1314
	1548	+(((
1315	1315	AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1550	+)))
1316	1316
	1552	+(((
1317	1317	AT+SNR: Get the SNR of the last received packet
	1554	+)))
1318	1318
	1556	+(((
1319	1319	AT+RSSI: Get the RSSI of the last received packet
	1558	+)))
1320	1320
	1560	+(((
1321	1321	AT+TDC: Get or set the application data transmission interval in ms
	1562	+)))
1322	1322
	1564	+(((
1323	1323	AT+PORT: Get or set the application port
	1566	+)))
1324	1324
	1568	+(((
1325	1325	AT+DISAT: Disable AT commands
	1570	+)))
1326	1326
	1572	+(((
1327	1327	AT+PWORD: Set password, max 9 digits
	1574	+)))
1328	1328
	1576	+(((
1329	1329	AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
	1578	+)))
1330	1330
	1580	+(((
1331	1331	AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
	1582	+)))
1332	1332
	1584	+(((
1333	1333	AT+CFG: Print all settings
1334	1334
	1587	+
	1588	+)))
1335	1335
	1590	+== 4.2 Common AT Command Sequence ==
1336	1336
1337		-1.
1338		-11. Common AT Command Sequence
1339		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1592	+=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1340	1340
	1594	+(((
1341	1341	If device has not joined network yet:
	1596	+)))
1342	1342
1343		-123456
	1598	+(((
	1599	+(% style="background-color:#dcdcdc" %)123456
	1600	+)))
1344	1344
1345		-AT+FDR
	1602	+(((
	1603	+(% style="background-color:#dcdcdc" %)AT+FDR
	1604	+)))
1346	1346
1347		-123456
	1606	+(((
	1607	+(% style="background-color:#dcdcdc" %)123456
	1608	+)))
1348	1348
1349		-AT+NJM=0
	1610	+(((
	1611	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1612	+)))
1350	1350
1351		-ATZ
	1614	+(((
	1615	+(% style="background-color:#dcdcdc" %)ATZ
	1616	+)))
1352	1352
1353	1353
	1619	+(((
1354	1354	If device already joined network:
	1621	+)))
1355	1355
1356		-AT+NJM=0
	1623	+(((
	1624	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1625	+)))
1357	1357
1358		-ATZ
	1627	+(((
	1628	+(% style="background-color:#dcdcdc" %)ATZ
1359	1359
1360		-1.
1361		-11.
1362		-111. Single-channel ABP mode (Use with LG01/LG02)
	1630	+
	1631	+)))
1363	1363
1364		-123456   Enter Password to have AT access.
	1633	+=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1365	1365
1366		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1635	+(((
	1636	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1637	+)))
1367	1367
1368		-123456   Enter Password to have AT access.
	1639	+(((
	1640	+(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1641	+)))
1369	1369
1370		-AT+CLASS=C Set to work in CLASS C
	1643	+(((
	1644	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1645	+)))
1371	1371
1372		-AT+NJM=0 Set to ABP mode
	1647	+(((
	1648	+(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1649	+)))
1373	1373
1374		-AT+ADR=0 Set the Adaptive Data Rate Off
	1651	+(((
	1652	+(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
	1653	+)))
1375	1375
1376		-AT+DR=5  Set Data Rate
	1655	+(((
	1656	+(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
	1657	+)))
1377	1377
1378		-AT+TDC=60000  Set transmit interval to 60 seconds
	1659	+(((
	1660	+(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1661	+)))
1379	1379
1380		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1663	+(((
	1664	+(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1665	+)))
1381	1381
1382		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1667	+(((
	1668	+(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
	1669	+)))
1383	1383
1384		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1671	+(((
	1672	+(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1673	+)))
1385	1385
1386		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1675	+(((
	1676	+(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1677	+)))
1387	1387
1388		-ATZ          Reset MCU
	1679	+(((
	1680	+(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1681	+)))
1389	1389
1390		-**Note:**
	1683	+(((
	1684	+(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1685	+)))
1391	1391
1392		-1. Make sure the device is set to ABP mode in the IoT Server.
1393		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1394		-1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1395		-1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1687	+(((
	1688	+(% style="color:red" %)**Note:**
	1689	+)))
1396	1396
1397		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
	1691	+(((
	1692	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1693	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1694	+3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
	1695	+4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1696	+)))
1398	1398
	1698	+(((
	1699	+[[image:1653359097980-169.png||height="188" width="729"]]
	1700	+)))
1399	1399
1400		-1.
1401		-11.
1402		-111. Change to Class A
	1702	+(((
	1703	+
	1704	+)))
1403	1403
1404		-If sensor JOINED
	1706	+=== 4.2.3 Change to Class A ===
1405	1405
1406		-AT+CLASS=A
1407		-
	1708	+If sensor JOINED
	1709	+(% style="background-color:#dcdcdc" %)AT+CLASS=A
1408	1408	ATZ
1409	1409
1410	1410
	1713	+= 5. FAQ =
1411	1411
	1715	+== 5.1 How to upgrade the image? ==
1412	1412
1413		-
1414		-1. FAQ
1415		-
1416		-1.
1417		-11. How to upgrade the image?
1418		-
1419	1419	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1420	1420
1421	1421	* Support new features
1422	1422	* For bug fix
1423	1423	* Change LoRaWAN bands.
1424		-
1425	1425	Below shows the hardware connection for how to upload an image to the LT:
	1723	+* [[image:1653359603330-121.png]]
1426	1426
1427		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1428		-
1429		-
	1725	+(((
1430	1430	**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1431		-
1432	1432	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1433		-
1434	1434	**Step3: **Open flashloader; choose the correct COM port to update.
1435		-
1436		-**For LT-33222-L**:
1437		-
1438		-Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode.
1439		-
1440	1440	**For LT-22222-L**:
1441		-
1442	1442	Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1443		-
1444		-
1445		-
1446		-|(((
1447		-Board detected
1448	1448	)))
1449	1449
1450		-|(((
1451		-
1452		-)))
	1733	+ [[image:image-20220524103407-12.png]]
1453	1453
1454		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
	1735	+[[image:image-20220524103429-13.png]]
1455	1455
	1737	+[[image:image-20220524104033-15.png]]
1456	1456
	1739	+(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1457	1457
1458		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]]
	1741	+[[image:1653360054704-518.png||height="186" width="745"]]
1459	1459
1460	1460
1461		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]]
	1744	+(((
	1745	+(((
	1746	+== 5.2 How to change the LoRa Frequency Bands/Region? ==
	1747	+)))
	1748	+)))
1462	1462
	1750	+(((
	1751	+User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1463	1463
1464		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	1753	+
	1754	+)))
1465	1465
1466		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
	1756	+(((
	1757	+== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	1758	+)))
1467	1467
1468		-
1469		-1.
1470		-11. How to change the LoRa Frequency Bands/Region?
1471		-
1472		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1473		-
1474		-
1475		-1.
1476		-11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1477		-
	1760	+(((
	1761	+(((
1478	1478	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	1763	+)))
	1764	+)))
1479	1479
	1766	+(((
	1767	+(((
1480	1480	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	1769	+)))
	1770	+)))
1481	1481
	1772	+(((
	1773	+(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	1774	+)))
1482	1482
1483		-**Step1**: Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	1776	+(((
	1777	+[[image:1653360231087-571.png||height="401" width="727"]]
	1778	+)))
1484	1484
1485		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
	1780	+(((
	1781	+(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
	1782	+)))
1486	1486
1487		-Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
	1784	+(((
	1785	+(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	1786	+)))
1488	1488
	1788	+(((
	1789	+(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
	1790	+(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
	1791	+(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
	1792	+(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
	1793	+(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
	1794	+(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
	1795	+(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
	1796	+(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
	1797	+(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
	1798	+(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
	1799	+)))
1489	1489
1490		-**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	1801	+(((
	1802	+As shown in below:
	1803	+)))
1491	1491
1492		-123456   Enter Password to have AT access.
	1805	+[[image:1653360498588-932.png||height="485" width="726"]]
1493	1493
1494		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1495	1495
1496		-123456   Enter Password to have AT access.
	1808	+== 5.4 Can I see counting event in Serial? ==
1497	1497
1498		-AT+NJM=0 Set to ABP mode
	1810	+(((
	1811	+User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1499	1499
1500		-AT+ADR=0 Set the Adaptive Data Rate Off
	1813	+
	1814	+)))
1501	1501
1502		-AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
	1816	+(((
	1817	+= 6. Trouble Shooting =
	1818	+)))
1503	1503
1504		-AT+TDC=60000  Set transmit interval to 60 seconds
	1820	+(((
	1821	+(((
	1822	+== 6.1 Downlink doesn’t work, how to solve it? ==
	1823	+)))
	1824	+)))
1505	1505
1506		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1826	+(((
	1827	+Please see this link for how to debug:
1507	1507
1508		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
	1829	+[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1509	1509
1510		-ATZ                Reset MCU
	1831	+
	1832	+)))
1511	1511
1512		-As shown in below:
	1834	+(((
	1835	+== 6.2 Have trouble to upload image. ==
	1836	+)))
1513	1513
1514		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
	1838	+(((
	1839	+See this link for trouble shooting:
1515	1515
	1841	+[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
	1842	+)))
1516	1516
	1844	+(((
	1845	+
	1846	+)))
1517	1517
1518		-1.
1519		-11. Can I see counting event in Serial?
	1848	+(((
	1849	+== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	1850	+)))
1520	1520
1521		-User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
	1852	+(((
	1853	+It might be about the channels mapping. Please see this link for detail:
1522	1522
	1855	+[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
	1856	+)))
1523	1523
	1858	+(((
	1859	+
	1860	+)))
1524	1524
	1862	+(((
	1863	+= 7. Order Info =
	1864	+)))
1525	1525
1526		-1. Trouble Shooting
1527		-11. Downlink doesn’t work, how to solve it?
	1866	+(((
	1867	+(((
	1868	+(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
	1869	+)))
	1870	+)))
1528	1528
1529		-Please see this link for how to debug:
	1872	+(((
	1873	+(((
	1874	+(% style="color:#4f81bd" %)**XXX:**
	1875	+)))
	1876	+)))
1530	1530
1531		-[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
	1878	+(((
	1879	+* (((
	1880	+(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
	1881	+)))
	1882	+)))
1532	1532
	1884	+(((
	1885	+* (((
	1886	+(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
	1887	+)))
	1888	+)))
1533	1533
1534		-1.
1535		-11. Have trouble to upload image.
	1890	+(((
	1891	+* (((
	1892	+(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
	1893	+)))
	1894	+)))
1536	1536
1537		-See this link for trouble shooting:
	1896	+(((
	1897	+* (((
	1898	+(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
	1899	+)))
	1900	+)))
1538	1538
1539		-[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
	1902	+(((
	1903	+* (((
	1904	+(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
	1905	+)))
	1906	+)))
1540	1540
	1908	+(((
	1909	+* (((
	1910	+(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
	1911	+)))
	1912	+)))
1541	1541
1542		-1.
1543		-11. Why I can’t join TTN in US915 /AU915 bands?
	1914	+(((
	1915	+* (((
	1916	+(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
	1917	+)))
	1918	+)))
1544	1544
1545		-It might be about the channels mapping. Please see this link for detail:
	1920	+(((
	1921	+* (((
	1922	+(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
	1923	+)))
	1924	+)))
1546	1546
1547		-[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
	1926	+(((
	1927	+* (((
	1928	+(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1548	1548
	1930	+
	1931	+)))
1549	1549
	1933	+= 8. Packing Info =
	1934	+)))
1550	1550
1551		-
1552		-1. Order Info
1553		-
1554		-**For LT-33222-L-XXX or LT-22222-L-XXX:**
1555		-
1556		-**XXX:**
1557		-
1558		-* **EU433**: LT with frequency bands EU433
1559		-* **EU868**: LT with frequency bands EU868
1560		-* **KR920**: LT with frequency bands KR920
1561		-* **CN470**: LT with frequency bands CN470
1562		-* **AS923**: LT with frequency bands AS923
1563		-* **AU915**: LT with frequency bands AU915
1564		-* **US915**: LT with frequency bands US915
1565		-* **IN865**: LT with frequency bands IN865
1566		-* **CN779**: LT with frequency bands CN779
1567		-
1568		-1. Packing Info
1569		-
	1936	+(((
	1937	+(((
1570	1570	**Package Includes**:
	1939	+)))
	1940	+)))
1571	1571
1572		-* LT I/O Controller x 1
	1942	+(((
	1943	+(((
	1944	+* LT-22222-L I/O Controller x 1
1573	1573	* Stick Antenna for LoRa RF part x 1
1574	1574	* Bracket for controller x1
1575	1575	* Program cable x 1
	1948	+)))
	1949	+)))
1576	1576
	1951	+(((
	1952	+(((
1577	1577	**Dimension and weight**:
	1954	+)))
	1955	+)))
1578	1578
	1957	+(((
	1958	+(((
1579	1579	* Device Size: 13.5 x 7 x 3 cm
1580	1580	* Device Weight: 105g
1581	1581	* Package Size / pcs : 14.5 x 8 x 5 cm
1582	1582	* Weight / pcs : 170g
1583	1583
1584		-1. Support
	1964	+
	1965	+)))
	1966	+)))
1585	1585
1586		-* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1587		-* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
	1968	+(((
	1969	+= 9. Support =
	1970	+)))
1588	1588
1589		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1972	+* (((
	1973	+(((
	1974	+Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
	1975	+)))
	1976	+)))
	1977	+* (((
	1978	+(((
	1979	+Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
	1980	+)))
	1981	+)))
	1982	+
	1983	+(((
	1984	+(((
	1985	+ [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1986	+
	1987	+
	1988	+)))
	1989	+
	1990	+(((
	1991	+= 10. Reference​​​​​ =
	1992	+
	1993	+* Product Page:
	1994	+
	1995	+LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
	1996	+
	1997	+* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
	1998	+* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1999	+* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
	2000	+)))
	2001	+)))

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