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

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...	...	@@ -45,44 +45,114 @@
45	45
46	46	== 1.2  Specifications ==
47	47
	48	+(((
48	48	**Hardware System:**
	50	+)))
49	49
50		-* STM32L072CZT6 MCU
51		-* SX1276/78 Wireless Chip
52		-* Power Consumption:
53		-** Idle: 4mA@12v
54		-** 20dB Transmit: 34mA@12v
	52	+* (((
	53	+STM32L072CZT6 MCU
	54	+)))
	55	+* (((
	56	+SX1276/78 Wireless Chip
	57	+)))
	58	+* (((
	59	+(((
	60	+Power Consumption:
	61	+)))
55	55
	63	+* (((
	64	+Idle: 4mA@12v
	65	+)))
	66	+* (((
	67	+20dB Transmit: 34mA@12v
	68	+)))
	69	+)))
	70	+
	71	+(((
56	56	**Interface for Model: LT22222-L:**
	73	+)))
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.
	75	+* (((
	76	+2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	77	+)))
	78	+* (((
	79	+2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	80	+)))
	81	+* (((
	82	+2 x Relay Output (5A@250VAC / 30VDC)
	83	+)))
	84	+* (((
	85	+2 x 0~~20mA Analog Input (res:0.01mA)
	86	+)))
	87	+* (((
	88	+2 x 0~~30V Analog Input (res:0.01v)
	89	+)))
	90	+* (((
	91	+Power Input 7~~ 24V DC.
	92	+)))
64	64
	94	+(((
65	65	**LoRa Spec:**
	96	+)))
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.
	98	+* (((
	99	+(((
	100	+Frequency Range:
	101	+)))
85	85
	103	+* (((
	104	+Band 1 (HF): 862 ~~ 1020 Mhz
	105	+)))
	106	+* (((
	107	+Band 2 (LF): 410 ~~ 528 Mhz
	108	+)))
	109	+)))
	110	+* (((
	111	+168 dB maximum link budget.
	112	+)))
	113	+* (((
	114	++20 dBm - 100 mW constant RF output vs.
	115	+)))
	116	+* (((
	117	++14 dBm high efficiency PA.
	118	+)))
	119	+* (((
	120	+Programmable bit rate up to 300 kbps.
	121	+)))
	122	+* (((
	123	+High sensitivity: down to -148 dBm.
	124	+)))
	125	+* (((
	126	+Bullet-proof front end: IIP3 = -12.5 dBm.
	127	+)))
	128	+* (((
	129	+Excellent blocking immunity.
	130	+)))
	131	+* (((
	132	+Low RX current of 10.3 mA, 200 nA register retention.
	133	+)))
	134	+* (((
	135	+Fully integrated synthesizer with a resolution of 61 Hz.
	136	+)))
	137	+* (((
	138	+FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	139	+)))
	140	+* (((
	141	+Built-in bit synchronizer for clock recovery.
	142	+)))
	143	+* (((
	144	+Preamble detection.
	145	+)))
	146	+* (((
	147	+127 dB Dynamic Range RSSI.
	148	+)))
	149	+* (((
	150	+Automatic RF Sense and CAD with ultra-fast AFC.
	151	+)))
	152	+* (((
	153	+Packet engine up to 256 bytes with CRC.
	154	+)))
	155	+
86	86	== 1.3 Features ==
87	87
88	88	* LoRaWAN Class A & Class C protocol
...	...	@@ -129,17 +129,22 @@
129	129
130	130	== 3.1 How it works? ==
131	131
	202	+(((
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.
	204	+)))
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.
	206	+(((
	207	+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.
	208	+)))
135	135
136		-3.2 Example to join LoRaWAN network
	210	+== 3.2 Example to join LoRaWAN network ==
137	137
	212	+(((
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.
	214	+)))
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	)))
...	...	@@ -235,7 +235,9 @@
235	235
236	236	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237	237
	313	+(((
238	238	Total : 11 bytes payload
	315	+)))
239	239
240	240	[[image:image-20220523180452-3.png]]
241	241
...	...	@@ -249,53 +249,77 @@
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
	329	+(((
252	252	(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	331	+)))
253	253
	333	+(((
254	254	**To use counting mode, please run:**
	335	+)))
255	255
256	256	(% class="box infomessage" %)
257	257	(((
	339	+(((
258	258	**AT+MOD=2**
259	259	)))
	342	+)))
260	260
261	261	(% class="box infomessage" %)
262	262	(((
	346	+(((
263	263	**ATZ**
264	264	)))
	349	+)))
265	265
	351	+(((
266	266	(% style="color:#4f81bd" %)**AT Commands for counting:**
	353	+)))
267	267
	355	+(((
268	268	**For LT22222-L:**
	357	+)))
269	269
270	270	(% class="box infomessage" %)
271	271	(((
	361	+(((
272	272	**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273	273	)))
	364	+)))
274	274
275	275	(% class="box infomessage" %)
276	276	(((
	368	+(((
277	277	**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278	278	)))
	371	+)))
279	279
280	280	(% class="box infomessage" %)
281	281	(((
	375	+(((
282	282	**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283	283	)))
	378	+)))
284	284
285	285	(% class="box infomessage" %)
286	286	(((
	382	+(((
287	287	**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288	288	)))
	385	+)))
289	289
290	290	(% class="box infomessage" %)
291	291	(((
	389	+(((
292	292	**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293	293	)))
	392	+)))
294	294
295	295	(% class="box infomessage" %)
296	296	(((
	396	+(((
297	297	**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298	298	)))
	399	+)))
299	299
300	300	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
301	301
...	...	@@ -313,21 +313,31 @@
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
	417	+(((
316	316	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	419	+)))
317	317
	421	+(((
318	318	**To use counting mode, please run:**
	423	+)))
319	319
320	320	(% class="box infomessage" %)
321	321	(((
	427	+(((
322	322	**AT+MOD=3**
323	323	)))
	430	+)))
324	324
325	325	(% class="box infomessage" %)
326	326	(((
	434	+(((
327	327	**ATZ**
328	328	)))
	437	+)))
329	329
330		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	439	+(((
	440	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	441	+)))
331	331
332	332	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333	333
...	...	@@ -347,44 +347,67 @@
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
	461	+(((
350	350	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	463	+)))
351	351
	465	+(((
352	352	**To use this mode, please run:**
	467	+)))
353	353
354	354	(% class="box infomessage" %)
355	355	(((
	471	+(((
356	356	**AT+MOD=4**
357	357	)))
	474	+)))
358	358
359	359	(% class="box infomessage" %)
360	360	(((
	478	+(((
361	361	**ATZ**
362	362	)))
	481	+)))
363	363
	483	+(((
	484	+
	485	+)))
364	364
365		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	487	+(((
	488	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	489	+)))
366	366
	491	+(((
367	367	**Plus below command for AVI1 Counting:**
	493	+)))
368	368
369	369	(% class="box infomessage" %)
370	370	(((
	497	+(((
371	371	**AT+SETCNT=3,60   (set AVI Count to 60)**
372	372	)))
	500	+)))
373	373
374	374	(% class="box infomessage" %)
375	375	(((
	504	+(((
376	376	**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377	377	)))
	507	+)))
378	378
379	379	(% class="box infomessage" %)
380	380	(((
	511	+(((
381	381	**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382	382	)))
	514	+)))
383	383
384	384	(% class="box infomessage" %)
385	385	(((
	518	+(((
386	386	**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387	387	)))
	521	+)))
388	388
389	389	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390	390
...	...	@@ -398,23 +398,35 @@
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.
	535	+* (((
	536	+DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	537	+)))
402	402
	539	+(((
403	403	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	541	+)))
404	404
	543	+(((
405	405	**To use this mode, please run:**
	545	+)))
406	406
407	407	(% class="box infomessage" %)
408	408	(((
	549	+(((
409	409	**AT+MOD=5**
410	410	)))
	552	+)))
411	411
412	412	(% class="box infomessage" %)
413	413	(((
	556	+(((
414	414	**ATZ**
415	415	)))
	559	+)))
416	416
417		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	561	+(((
	562	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	563	+)))
418	418
419	419	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420	420
...	...	@@ -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]]
	612	+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
	632	+**Example2**: AA 02 01 00
487	487
488	488	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489	489
...	...	@@ -556,7 +556,7 @@
556	556
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/]]
	705	+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	561	=== 3.4.2 Sensor related commands ===
562	562
...	...	@@ -822,8 +822,10 @@
822	822
823	823	(% class="box infomessage" %)
824	824	(((
	971	+(((
825	825	**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
826	826	)))
	974	+)))
827	827
828	828	This is to control the digital output time of DO pin. Include four bytes:
829	829
...	...	@@ -1026,24 +1026,29 @@
1026	1026	**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1027	1027	)))
1028	1028
	1177	+(((
1029	1029	range: aa bb cc:0 to 16777215,  (unit:second)
	1179	+)))
1030	1030
1031	1031	== 3.5 Integrate with Mydevice ==
1032	1032
1033	1033	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:
1034	1034
	1185	+(((
1035	1035	**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
	1187	+)))
1036	1036
	1189	+(((
1037	1037	**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:
	1191	+)))
1038	1038
1039	1039	[[image:1653356737703-362.png||height="232" width="732"]]
1040	1040
1041	1041	[[image:image-20220524094641-11.png||height="390" width="723"]]
1042	1042
1043		-
1044	1044	[[image:image-20220524094641-12.png||height="402" width="718"]]
1045	1045
1046		-**Step **3: Create an account or log in Mydevices.
	1199	+**Step 3**: Create an account or log in Mydevices.
1047	1047
1048	1048	**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1049	1049
...	...	@@ -1053,7 +1053,6 @@
1053	1053
1054	1054	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1055	1055
1056		-
1057	1057	[[image:image-20220524094909-1.png||height="335" width="729"]]
1058	1058
1059	1059	[[image:image-20220524094909-2.png||height="337" width="729"]]
...	...	@@ -1064,10 +1064,6 @@
1064	1064
1065	1065	[[image:image-20220524094909-5.png||height="341" width="734"]]
1066	1066
1067		-
1068		-
1069		-
1070		-
1071	1071	== 3.6 Interface Detail ==
1072	1072
1073	1073	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1083,8 +1083,10 @@
1083	1083	)))
1084	1084
1085	1085	(((
	1234	+(((
1086	1086	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
1087	1087	)))
	1237	+)))
1088	1088
1089	1089	[[image:1653357170703-587.png]]
1090	1090
...	...	@@ -1100,11 +1100,11 @@
1100	1100	* Connect sensor’s output to DI1-
1101	1101	* Connect sensor’s VCC to DI1+.
1102	1102
1103		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1253	+So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1104	1104
1105		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
	1255	+[[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:/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:/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:/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:/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:/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:/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.**
1106	1106
1107		-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.
	1257	+If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1108	1108
1109	1109
1110	1110	**Example2**: Connect to a High active sensor.
...	...	@@ -1116,12 +1116,12 @@
1116	1116
1117	1117	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1118	1118
1119		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
	1269	+[[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:/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:/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:/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:/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:/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:/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.**
1120	1120
1121		-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.
	1271	+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:/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:/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:/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:/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:/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:/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.
1122	1122
1123	1123
1124		-**Example3**: Connect to a 220v high active sensor.公司测试一下
	1274	+**Example3**: Connect to a 220v high active sensor.
1125	1125
1126	1126	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1127	1127
...	...	@@ -1130,34 +1130,24 @@
1130	1130
1131	1131	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1132	1132
1133		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
	1283	+ [[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:/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:/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:/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:/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:/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:/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.**
1134	1134
1135		-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.
	1285	+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.
1136	1136
	1287	+=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1137	1137
1138		-1.
1139		-11.
1140		-111. Digital Output Port: DO1/DO2 /DO3
1141		-
1142	1142	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1143	1143
1144		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1291	+[[image:1653357531600-905.png]]
1145	1145
	1293	+=== 3.6.4 Analog Input Interface ===
1146	1146
1147		-
1148		-
1149		-1.
1150		-11.
1151		-111. Analog Input Interface
1152		-
1153	1153	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:
1154	1154
1155		-AC2 = (IN2 voltage )/12
	1297	+**AC2 = (IN2 voltage )/12**
1156	1156
1157		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	1299	+[[image:1653357592296-182.png]]
1158	1158
1159		-
1160		-
1161	1161	Example to connect a 4~~20mA sensor
1162	1162
1163	1163	We take the wind speed sensor as an example for reference only.
...	...	@@ -1173,423 +1173,620 @@
1173	1173
1174	1174	Connection diagram:
1175	1175
1176		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
	1316	+[[image:1653357640609-758.png]]
1177	1177
1178		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	1318	+[[image:1653357648330-671.png||height="155" width="733"]]
1179	1179
	1320	+=== 3.6.5 Relay Output ===
1180	1180
1181		-
1182		-1.
1183		-11.
1184		-111. Relay Output
1185		-
	1322	+(((
1186	1186	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:
	1324	+)))
1187	1187
1188		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1326	+[[image:image-20220524100215-9.png]]
1189	1189
	1328	+[[image:image-20220524100215-10.png||height="382" width="723"]]
1190	1190
1191		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1330	+== 3.7 LEDs Indicators ==
1192	1192
	1332	+[[image:image-20220524100748-11.png]]
1193	1193
	1334	+= 4. Use AT Command =
1194	1194
	1336	+== 4.1 Access AT Command ==
1195	1195
	1338	+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.
1196	1196
1197		-1.
1198		-11. LEDs Indicators
	1340	+[[image:1653358238933-385.png]]
1199	1199
1200		-(% border="1" style="background-color:#f7faff" %)
1201		-|**LEDs**|**Feature**
1202		-|**PWR**|Always on if there is power
1203		-|**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.
1204		-|**TX**|(((
1205		-Device boot: TX blinks 5 times.
1206		-
1207		-Successful join network: TX ON for 5 seconds.
1208		-
1209		-Transmit a LoRa packet: TX blinks once
	1342	+(((
	1343	+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:
1210	1210	)))
1211		-|**RX**|RX blinks once when receive a packet.
1212		-|**DO1**|
1213		-|**DO2**|
1214		-|**DO3**|
1215		-|**DI2**|(((
1216		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1217	1217
1218		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1219		-)))
1220		-|**DI2**|(((
1221		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1346	+[[image:1653358355238-883.png]]
1222	1222
1223		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1348	+(((
	1349	+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/]]
1224	1224	)))
1225		-|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1226		-|**DI2**|(((
1227		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1228	1228
1229		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1352	+(((
	1353	+AT+<CMD>?        : Help on <CMD>
1230	1230	)))
1231		-|**RO1**|
1232		-|**RO2**|
1233	1233
1234		-1. Use AT Command
1235		-11. Access AT Command
1236		-
1237		-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.
1238		-
1239		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1240		-
1241		-
1242		-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:
1243		-
1244		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1245		-
1246		-
1247		-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/]]
1248		-
1249		-AT+<CMD>?        : Help on <CMD>
1250		-
	1356	+(((
1251	1251	AT+<CMD>         : Run <CMD>
	1358	+)))
1252	1252
	1360	+(((
1253	1253	AT+<CMD>=<value> : Set the value
	1362	+)))
1254	1254
	1364	+(((
1255	1255	AT+<CMD>=?       : Get the value
	1366	+)))
1256	1256
	1368	+(((
1257	1257	ATZ: Trig a reset of the MCU
	1370	+)))
1258	1258
	1372	+(((
1259	1259	AT+FDR: Reset Parameters to Factory Default, Keys Reserve
	1374	+)))
1260	1260
	1376	+(((
1261	1261	AT+DEUI: Get or Set the Device EUI
	1378	+)))
1262	1262
	1380	+(((
1263	1263	AT+DADDR: Get or Set the Device Address
	1382	+)))
1264	1264
	1384	+(((
1265	1265	AT+APPKEY: Get or Set the Application Key
	1386	+)))
1266	1266
	1388	+(((
1267	1267	AT+NWKSKEY: Get or Set the Network Session Key
	1390	+)))
1268	1268
	1392	+(((
1269	1269	AT+APPSKEY: Get or Set the Application Session Key
	1394	+)))
1270	1270
	1396	+(((
1271	1271	AT+APPEUI: Get or Set the Application EUI
	1398	+)))
1272	1272
	1400	+(((
1273	1273	AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
	1402	+)))
1274	1274
	1404	+(((
1275	1275	AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
	1406	+)))
1276	1276
	1408	+(((
1277	1277	AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1410	+)))
1278	1278
	1412	+(((
1279	1279	AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
	1414	+)))
1280	1280
	1416	+(((
1281	1281	AT+PNM: Get or Set the public network mode. (0: off, 1: on)
	1418	+)))
1282	1282
	1420	+(((
1283	1283	AT+RX2FQ: Get or Set the Rx2 window frequency
	1422	+)))
1284	1284
	1424	+(((
1285	1285	AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
	1426	+)))
1286	1286
	1428	+(((
1287	1287	AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
	1430	+)))
1288	1288
	1432	+(((
1289	1289	AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
	1434	+)))
1290	1290
	1436	+(((
1291	1291	AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
	1438	+)))
1292	1292
	1440	+(((
1293	1293	AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
	1442	+)))
1294	1294
	1444	+(((
1295	1295	AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1446	+)))
1296	1296
	1448	+(((
1297	1297	AT+NWKID: Get or Set the Network ID
	1450	+)))
1298	1298
	1452	+(((
1299	1299	AT+FCU: Get or Set the Frame Counter Uplink
	1454	+)))
1300	1300
	1456	+(((
1301	1301	AT+FCD: Get or Set the Frame Counter Downlink
	1458	+)))
1302	1302
	1460	+(((
1303	1303	AT+CLASS: Get or Set the Device Class
	1462	+)))
1304	1304
	1464	+(((
1305	1305	AT+JOIN: Join network
	1466	+)))
1306	1306
	1468	+(((
1307	1307	AT+NJS: Get OTAA Join Status
	1470	+)))
1308	1308
	1472	+(((
1309	1309	AT+SENDB: Send hexadecimal data along with the application port
	1474	+)))
1310	1310
	1476	+(((
1311	1311	AT+SEND: Send text data along with the application port
	1478	+)))
1312	1312
	1480	+(((
1313	1313	AT+RECVB: Print last received data in binary format (with hexadecimal values)
	1482	+)))
1314	1314
	1484	+(((
1315	1315	AT+RECV: Print last received data in raw format
	1486	+)))
1316	1316
	1488	+(((
1317	1317	AT+VER: Get current image version and Frequency Band
	1490	+)))
1318	1318
	1492	+(((
1319	1319	AT+CFM: Get or Set the confirmation mode (0-1)
	1494	+)))
1320	1320
	1496	+(((
1321	1321	AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1498	+)))
1322	1322
	1500	+(((
1323	1323	AT+SNR: Get the SNR of the last received packet
	1502	+)))
1324	1324
	1504	+(((
1325	1325	AT+RSSI: Get the RSSI of the last received packet
	1506	+)))
1326	1326
	1508	+(((
1327	1327	AT+TDC: Get or set the application data transmission interval in ms
	1510	+)))
1328	1328
	1512	+(((
1329	1329	AT+PORT: Get or set the application port
	1514	+)))
1330	1330
	1516	+(((
1331	1331	AT+DISAT: Disable AT commands
	1518	+)))
1332	1332
	1520	+(((
1333	1333	AT+PWORD: Set password, max 9 digits
	1522	+)))
1334	1334
	1524	+(((
1335	1335	AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
	1526	+)))
1336	1336
	1528	+(((
1337	1337	AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
	1530	+)))
1338	1338
	1532	+(((
1339	1339	AT+CFG: Print all settings
	1534	+)))
1340	1340
	1536	+== 4.2 Common AT Command Sequence ==
1341	1341
	1538	+=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1342	1342
1343		-1.
1344		-11. Common AT Command Sequence
1345		-111. Multi-channel ABP mode (Use with SX1301/LG308)
1346		-
	1540	+(((
1347	1347	If device has not joined network yet:
	1542	+)))
1348	1348
1349		-123456
	1544	+(((
	1545	+(% style="background-color:#dcdcdc" %)123456
	1546	+)))
1350	1350
1351		-AT+FDR
	1548	+(((
	1549	+(% style="background-color:#dcdcdc" %)AT+FDR
	1550	+)))
1352	1352
1353		-123456
	1552	+(((
	1553	+(% style="background-color:#dcdcdc" %)123456
	1554	+)))
1354	1354
1355		-AT+NJM=0
	1556	+(((
	1557	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1558	+)))
1356	1356
1357		-ATZ
	1560	+(((
	1561	+(% style="background-color:#dcdcdc" %)ATZ
	1562	+)))
1358	1358
1359	1359
	1565	+(((
1360	1360	If device already joined network:
	1567	+)))
1361	1361
1362		-AT+NJM=0
	1569	+(((
	1570	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1571	+)))
1363	1363
1364		-ATZ
	1573	+(((
	1574	+(% style="background-color:#dcdcdc" %)ATZ
	1575	+)))
1365	1365
1366		-1.
1367		-11.
1368		-111. Single-channel ABP mode (Use with LG01/LG02)
	1577	+=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1369	1369
1370		-123456   Enter Password to have AT access.
	1579	+(((
	1580	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1581	+)))
1371	1371
1372		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1583	+(((
	1584	+(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1585	+)))
1373	1373
1374		-123456   Enter Password to have AT access.
	1587	+(((
	1588	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1589	+)))
1375	1375
1376		-AT+CLASS=C Set to work in CLASS C
	1591	+(((
	1592	+(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1593	+)))
1377	1377
1378		-AT+NJM=0 Set to ABP mode
	1595	+(((
	1596	+(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
	1597	+)))
1379	1379
1380		-AT+ADR=0 Set the Adaptive Data Rate Off
	1599	+(((
	1600	+(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
	1601	+)))
1381	1381
1382		-AT+DR=5  Set Data Rate
	1603	+(((
	1604	+(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1605	+)))
1383	1383
1384		-AT+TDC=60000  Set transmit interval to 60 seconds
	1607	+(((
	1608	+(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1609	+)))
1385	1385
1386		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1611	+(((
	1612	+(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
	1613	+)))
1387	1387
1388		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1615	+(((
	1616	+(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1617	+)))
1389	1389
1390		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1619	+(((
	1620	+(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1621	+)))
1391	1391
1392		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1623	+(((
	1624	+(% 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.
	1625	+)))
1393	1393
1394		-ATZ          Reset MCU
	1627	+(((
	1628	+(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1629	+)))
1395	1395
1396		-**Note:**
	1631	+(((
	1632	+(% style="color:red" %)**Note:**
	1633	+)))
1397	1397
1398		-1. Make sure the device is set to ABP mode in the IoT Server.
1399		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1400		-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.
1401		-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
	1635	+(((
	1636	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1637	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1638	+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.
	1639	+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
	1640	+)))
1402	1402
1403		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
	1642	+(((
	1643	+[[image:1653359097980-169.png||height="188" width="729"]]
	1644	+)))
1404	1404
	1646	+(((
	1647	+
	1648	+)))
1405	1405
1406		-1.
1407		-11.
1408		-111. Change to Class A
	1650	+=== 4.2.3 Change to Class A ===
1409	1409
1410	1410	If sensor JOINED
1411		-
1412		-AT+CLASS=A
1413		-
	1653	+(% style="background-color:#dcdcdc" %)AT+CLASS=A
1414	1414	ATZ
1415	1415
	1656	+= 5. FAQ =
1416	1416
	1658	+== 5.1 How to upgrade the image? ==
1417	1417
1418		-
1419		-
1420		-1. FAQ
1421		-
1422		-1.
1423		-11. How to upgrade the image?
1424		-
1425	1425	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1426	1426
1427	1427	* Support new features
1428	1428	* For bug fix
1429	1429	* Change LoRaWAN bands.
1430		-
1431	1431	Below shows the hardware connection for how to upload an image to the LT:
	1666	+* [[image:1653359603330-121.png]]
1432	1432
1433		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1434		-
1435		-
	1668	+(((
1436	1436	**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]].
1437		-
1438	1438	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1439		-
1440	1440	**Step3: **Open flashloader; choose the correct COM port to update.
1441		-
1442		-**For LT-33222-L**:
1443		-
1444		-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.
1445		-
1446	1446	**For LT-22222-L**:
1447		-
1448	1448	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.
1449		-
1450		-
1451		-
1452		-|(((
1453		-Board detected
1454	1454	)))
1455	1455
1456		-|(((
1457		-
1458		-)))
	1676	+ [[image:image-20220524103407-12.png]]
1459	1459
1460		-[[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]]
	1678	+[[image:image-20220524103429-13.png]]
1461	1461
	1680	+[[image:image-20220524104033-15.png]]
1462	1462
	1682	+(% 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:
1463	1463
1464		-[[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]]
	1684	+[[image:1653360054704-518.png||height="186" width="745"]]
1465	1465
	1686	+(((
	1687	+(((
	1688	+== 5.2 How to change the LoRa Frequency Bands/Region? ==
	1689	+)))
	1690	+)))
1466	1466
1467		-[[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]]
	1692	+(((
	1693	+User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1694	+)))
1468	1468
	1696	+(((
	1697	+== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	1698	+)))
1469	1469
1470		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1471		-
1472		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1473		-
1474		-
1475		-1.
1476		-11. How to change the LoRa Frequency Bands/Region?
1477		-
1478		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1479		-
1480		-
1481		-1.
1482		-11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1483		-
	1700	+(((
	1701	+(((
1484	1484	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	1703	+)))
	1704	+)))
1485	1485
	1706	+(((
	1707	+(((
1486	1486	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	1709	+)))
	1710	+)))
1487	1487
	1712	+(((
	1713	+(% 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.
	1714	+)))
1488	1488
1489		-**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.
	1716	+(((
	1717	+[[image:1653360231087-571.png||height="401" width="727"]]
	1718	+)))
1490	1490
1491		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
	1720	+(((
	1721	+(% 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.
	1722	+)))
1492	1492
1493		-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.
	1724	+(((
	1725	+(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	1726	+)))
1494	1494
	1728	+(((
	1729	+(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
	1730	+(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
	1731	+(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
	1732	+(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
	1733	+(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
	1734	+(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
	1735	+(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
	1736	+(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
	1737	+(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
	1738	+(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
	1739	+)))
1495	1495
1496		-**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	1741	+(((
	1742	+As shown in below:
	1743	+)))
1497	1497
1498		-123456   Enter Password to have AT access.
	1745	+[[image:1653360498588-932.png||height="485" width="726"]]
1499	1499
1500		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1747	+== 5.4 Can I see counting event in Serial? ==
1501	1501
1502		-123456   Enter Password to have AT access.
	1749	+(((
	1750	+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.
	1751	+)))
1503	1503
1504		-AT+NJM=0 Set to ABP mode
	1753	+(((
	1754	+= 6. Trouble Shooting =
	1755	+)))
1505	1505
1506		-AT+ADR=0 Set the Adaptive Data Rate Off
	1757	+(((
	1758	+(((
	1759	+== 6.1 Downlink doesn’t work, how to solve it? ==
	1760	+)))
	1761	+)))
1507	1507
1508		-AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
	1763	+(((
	1764	+Please see this link for how to debug: [[see how it work>>LoRaWAN_Communication_Debug||anchor="H5.1Howitwork:NO"]]
1509	1509
1510		-AT+TDC=60000  Set transmit interval to 60 seconds
	1766	+[[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]]
1511	1511
1512		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1768	+
	1769	+)))
1513	1513
1514		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
	1771	+(((
	1772	+== 6.2 Have trouble to upload image. ==
	1773	+)))
1515	1515
1516		-ATZ                Reset MCU
	1775	+(((
	1776	+See this link for trouble shooting:
1517	1517
1518		-As shown in below:
	1778	+[[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/]]
	1779	+)))
1519	1519
1520		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
	1781	+(((
	1782	+
	1783	+)))
1521	1521
	1785	+(((
	1786	+== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	1787	+)))
1522	1522
	1789	+(((
	1790	+It might be about the channels mapping. Please see this link for detail:
1523	1523
1524		-1.
1525		-11. Can I see counting event in Serial?
	1792	+[[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]]
	1793	+)))
1526	1526
1527		-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.
	1795	+(((
	1796	+
	1797	+)))
1528	1528
	1799	+(((
	1800	+= 7. Order Info =
	1801	+)))
1529	1529
	1803	+(((
	1804	+(((
	1805	+(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
	1806	+)))
	1807	+)))
1530	1530
	1809	+(((
	1810	+(((
	1811	+(% style="color:#4f81bd" %)**XXX:**
	1812	+)))
	1813	+)))
1531	1531
1532		-1. Trouble Shooting
1533		-11. Downlink doesn’t work, how to solve it?
	1815	+(((
	1816	+* (((
	1817	+(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
	1818	+)))
	1819	+)))
1534	1534
1535		-Please see this link for how to debug:
	1821	+(((
	1822	+* (((
	1823	+(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
	1824	+)))
	1825	+)))
1536	1536
1537		-[[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]]
	1827	+(((
	1828	+* (((
	1829	+(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
	1830	+)))
	1831	+)))
1538	1538
	1833	+(((
	1834	+* (((
	1835	+(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
	1836	+)))
	1837	+)))
1539	1539
1540		-1.
1541		-11. Have trouble to upload image.
	1839	+(((
	1840	+* (((
	1841	+(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
	1842	+)))
	1843	+)))
1542	1542
1543		-See this link for trouble shooting:
	1845	+(((
	1846	+* (((
	1847	+(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
	1848	+)))
	1849	+)))
1544	1544
1545		-[[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]]
	1851	+(((
	1852	+* (((
	1853	+(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
	1854	+)))
	1855	+)))
1546	1546
	1857	+(((
	1858	+* (((
	1859	+(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
	1860	+)))
	1861	+)))
1547	1547
1548		-1.
1549		-11. Why I can’t join TTN in US915 /AU915 bands?
	1863	+(((
	1864	+* (((
	1865	+(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	1866	+)))
1550	1550
1551		-It might be about the channels mapping. Please see this link for detail:
	1868	+= 8. Packing Info =
	1869	+)))
1552	1552
1553		-[[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]]
1554		-
1555		-
1556		-
1557		-
1558		-1. Order Info
1559		-
1560		-**For LT-33222-L-XXX or LT-22222-L-XXX:**
1561		-
1562		-**XXX:**
1563		-
1564		-* **EU433**: LT with frequency bands EU433
1565		-* **EU868**: LT with frequency bands EU868
1566		-* **KR920**: LT with frequency bands KR920
1567		-* **CN470**: LT with frequency bands CN470
1568		-* **AS923**: LT with frequency bands AS923
1569		-* **AU915**: LT with frequency bands AU915
1570		-* **US915**: LT with frequency bands US915
1571		-* **IN865**: LT with frequency bands IN865
1572		-* **CN779**: LT with frequency bands CN779
1573		-
1574		-1. Packing Info
1575		-
	1871	+(((
	1872	+(((
1576	1576	**Package Includes**:
	1874	+)))
	1875	+)))
1577	1577
1578		-* LT I/O Controller x 1
	1877	+(((
	1878	+(((
	1879	+* LT-22222-L I/O Controller x 1
1579	1579	* Stick Antenna for LoRa RF part x 1
1580	1580	* Bracket for controller x1
1581	1581	* Program cable x 1
	1883	+)))
	1884	+)))
1582	1582
	1886	+(((
	1887	+(((
1583	1583	**Dimension and weight**:
	1889	+)))
	1890	+)))
1584	1584
	1892	+(((
	1893	+(((
1585	1585	* Device Size: 13.5 x 7 x 3 cm
1586	1586	* Device Weight: 105g
1587	1587	* Package Size / pcs : 14.5 x 8 x 5 cm
1588	1588	* Weight / pcs : 170g
	1898	+)))
	1899	+)))
1589	1589
1590		-1. Support
	1901	+(((
	1902	+= 9. Support =
	1903	+)))
1591	1591
1592		-* 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.
1593		-* 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
	1905	+* (((
	1906	+(((
	1907	+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.
	1908	+)))
	1909	+)))
	1910	+* (((
	1911	+(((
	1912	+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
	1913	+)))
	1914	+)))
1594	1594
1595		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1916	+(((
	1917	+(((
	1918	+ [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1919	+)))
	1920	+
	1921	+(((
	1922	+= 10. Reference​​​​​ =
	1923	+
	1924	+* Product Page:
	1925	+
	1926	+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]]
	1927	+
	1928	+* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
	1929	+* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1930	+* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
	1931	+)))
	1932	+)))

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