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

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Content

...	...	@@ -11,15 +11,12 @@
11	11
12	12
13	13
14		-
15		-
16		-
17	17	= 1.Introduction =
18	18
19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
22		-The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
	19	+The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23	23	)))
24	24
25	25	(((
...	...	@@ -27,7 +27,7 @@
27	27	)))
28	28
29	29	(((
30		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
	27	+The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31	31	)))
32	32
33	33	(((
...	...	@@ -44,128 +44,48 @@
44	44
45	45	(((
46	46	[[image:1653295757274-912.png]]
47		-
48		-
49	49	)))
50	50
51	51	== 1.2  Specifications ==
52	52
53		-(((
54		-
55		-
56	56	**Hardware System:**
57		-)))
58	58
59		-* (((
60		-STM32L072CZT6 MCU
61		-)))
62		-* (((
63		-SX1276/78 Wireless Chip
64		-)))
65		-* (((
66		-(((
67		-Power Consumption:
68		-)))
	50	+* STM32L072CZT6 MCU
	51	+* SX1276/78 Wireless Chip
	52	+* Power Consumption:
	53	+** Idle: 4mA@12v
	54	+** 20dB Transmit: 34mA@12v
69	69
70		-* (((
71		-Idle: 4mA@12v
72		-)))
73		-* (((
74		-20dB Transmit: 34mA@12v
75		-)))
76		-)))
77		-
78		-
79		-(((
80	80	**Interface for Model: LT22222-L:**
81		-)))
82	82
83		-* (((
84		-2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
85		-)))
86		-* (((
87		-2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
88		-)))
89		-* (((
90		-2 x Relay Output (5A@250VAC / 30VDC)
91		-)))
92		-* (((
93		-2 x 0~~20mA Analog Input (res:0.01mA)
94		-)))
95		-* (((
96		-2 x 0~~30V Analog Input (res:0.01v)
97		-)))
98		-* (((
99		-Power Input 7~~ 24V DC.
100		-)))
	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.
101	101
102		-
103		-(((
104	104	**LoRa Spec:**
105		-)))
106	106
107		-* (((
108		-(((
109		-Frequency Range:
110		-)))
	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.
111	111
112		-* (((
113		-Band 1 (HF): 862 ~~ 1020 Mhz
114		-)))
115		-* (((
116		-Band 2 (LF): 410 ~~ 528 Mhz
117		-)))
118		-)))
119		-* (((
120		-168 dB maximum link budget.
121		-)))
122		-* (((
123		-+20 dBm - 100 mW constant RF output vs.
124		-)))
125		-* (((
126		-+14 dBm high efficiency PA.
127		-)))
128		-* (((
129		-Programmable bit rate up to 300 kbps.
130		-)))
131		-* (((
132		-High sensitivity: down to -148 dBm.
133		-)))
134		-* (((
135		-Bullet-proof front end: IIP3 = -12.5 dBm.
136		-)))
137		-* (((
138		-Excellent blocking immunity.
139		-)))
140		-* (((
141		-Low RX current of 10.3 mA, 200 nA register retention.
142		-)))
143		-* (((
144		-Fully integrated synthesizer with a resolution of 61 Hz.
145		-)))
146		-* (((
147		-FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
148		-)))
149		-* (((
150		-Built-in bit synchronizer for clock recovery.
151		-)))
152		-* (((
153		-Preamble detection.
154		-)))
155		-* (((
156		-127 dB Dynamic Range RSSI.
157		-)))
158		-* (((
159		-Automatic RF Sense and CAD with ultra-fast AFC.
160		-)))
161		-* (((
162		-Packet engine up to 256 bytes with CRC.
163		-
164		-
165		-)))
166		-
167		-
168		-
169	169	== 1.3 Features ==
170	170
171	171	* LoRaWAN Class A & Class C protocol
...	...	@@ -176,8 +176,6 @@
176	176	* Firmware upgradable via program port
177	177	* Counting
178	178
179		-
180		-
181	181	== 1.4  Applications ==
182	182
183	183	* Smart Buildings & Home Automation
...	...	@@ -187,8 +187,6 @@
187	187	* Smart Cities
188	188	* Smart Factory
189	189
190		-
191		-
192	192	== 1.5 Hardware Variants ==
193	193
194	194	(% border="1" style="background-color:#f7faff; width:500px" %)
...	...	@@ -202,8 +202,6 @@
202	202	* 1 x Counting Port
203	203	)))
204	204
205		-
206		-
207	207	= 2. Power ON Device =
208	208
209	209	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.
...	...	@@ -214,32 +214,21 @@
214	214
215	215	[[image:1653297104069-180.png]]
216	216
217		-
218		-
219	219	= 3. Operation Mode =
220	220
221	221	== 3.1 How it works? ==
222	222
223		-(((
224	224	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.
225		-)))
226	226
227		-(((
228		-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.
	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.
229	229
230		-
231		-)))
	136	+3.2 Example to join LoRaWAN network
232	232
233		-
234		-
235		-== 3.2 Example to join LoRaWAN network ==
236		-
237		-(((
238	238	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.
239		-)))
240	240
241	241	[[image:image-20220523172350-1.png||height="266" width="864"]]
242	242
	142	+
243	243	(((
244	244	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:
245	245	)))
...	...	@@ -260,12 +260,10 @@
260	260
261	261	[[image:1653297955910-247.png||height="321" width="716"]]
262	262
263		-
264	264	Add APP KEY and DEV EUI
265	265
266	266	[[image:1653298023685-319.png]]
267	267
268		-
269	269	(((
270	270	**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.
271	271	)))
...	...	@@ -272,8 +272,6 @@
272	272
273	273	[[image:1653298044601-602.png||height="405" width="709"]]
274	274
275		-
276		-
277	277	== 3.3 Uplink Payload ==
278	278
279	279	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -285,8 +285,6 @@
285	285	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286	286	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287	287
288		-
289		-
290	290	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291	291
292	292	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
...	...	@@ -322,7 +322,6 @@
322	322	* [1] RO1 relay channel is close and the RO1 LED is ON.
323	323	* [0] RO2 relay channel is open and RO2 LED is OFF;
324	324
325		-
326	326	**LT22222-L:**
327	327
328	328	* [1] DI2 channel is high input and DI2 LED is ON;
...	...	@@ -338,15 +338,11 @@
338	338	** DO1 is high in case there is load between DO1 and V+.
339	339	** DO1 LED is off in both case
340	340
341		-
342		-
343	343	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344	344
345	345	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
346	346
347		-(((
348	348	Total : 11 bytes payload
349		-)))
350	350
351	351	[[image:image-20220523180452-3.png]]
352	352
...	...	@@ -360,80 +360,54 @@
360	360	* FIRST: Indicate this is the first packet after join network.
361	361	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
362	362
363		-(((
364	364	(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
365		-)))
366	366
367		-(((
368	368	**To use counting mode, please run:**
369		-)))
370	370
371	371	(% class="box infomessage" %)
372	372	(((
373		-(((
374	374	**AT+MOD=2**
375	375	)))
376		-)))
377	377
378	378	(% class="box infomessage" %)
379	379	(((
380		-(((
381	381	**ATZ**
382	382	)))
383		-)))
384	384
385		-(((
386	386	(% style="color:#4f81bd" %)**AT Commands for counting:**
387		-)))
388	388
389		-(((
390	390	**For LT22222-L:**
391		-)))
392	392
393	393	(% class="box infomessage" %)
394	394	(((
395		-(((
396	396	**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
397	397	)))
398		-)))
399	399
400	400	(% class="box infomessage" %)
401	401	(((
402		-(((
403	403	**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
404	404	)))
405		-)))
406	406
407	407	(% class="box infomessage" %)
408	408	(((
409		-(((
410	410	**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
411	411	)))
412		-)))
413	413
414	414	(% class="box infomessage" %)
415	415	(((
416		-(((
417	417	**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
418	418	)))
419		-)))
420	420
421	421	(% class="box infomessage" %)
422	422	(((
423		-(((
424	424	**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
425	425	)))
426		-)))
427	427
428	428	(% class="box infomessage" %)
429	429	(((
430		-(((
431	431	**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
432	432	)))
433		-)))
434	434
435		-
436		-
437	437	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438	438
439	439	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -450,36 +450,22 @@
450	450	* FIRST: Indicate this is the first packet after join network.
451	451	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
452	452
453		-(((
454	454	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
455		-)))
456	456
457		-(((
458	458	**To use counting mode, please run:**
459		-)))
460	460
461	461	(% class="box infomessage" %)
462	462	(((
463		-(((
464	464	**AT+MOD=3**
465	465	)))
466		-)))
467	467
468	468	(% class="box infomessage" %)
469	469	(((
470		-(((
471	471	**ATZ**
472	472	)))
473		-)))
474	474
475		-(((
476		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	330	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
477	477
478		-
479		-)))
480		-
481		-
482		-
483	483	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
484	484
485	485	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -498,70 +498,45 @@
498	498	* FIRST: Indicate this is the first packet after join network.
499	499	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
500	500
501		-(((
502	502	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
503		-)))
504	504
505		-(((
506	506	**To use this mode, please run:**
507		-)))
508	508
509	509	(% class="box infomessage" %)
510	510	(((
511		-(((
512	512	**AT+MOD=4**
513	513	)))
514		-)))
515	515
516	516	(% class="box infomessage" %)
517	517	(((
518		-(((
519	519	**ATZ**
520	520	)))
521		-)))
522	522
523		-(((
524		-
525		-)))
526	526
527		-(((
528		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
529		-)))
	365	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
530	530
531		-(((
532	532	**Plus below command for AVI1 Counting:**
533		-)))
534	534
535	535	(% class="box infomessage" %)
536	536	(((
537		-(((
538	538	**AT+SETCNT=3,60   (set AVI Count to 60)**
539	539	)))
540		-)))
541	541
542	542	(% class="box infomessage" %)
543	543	(((
544		-(((
545	545	**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
546	546	)))
547		-)))
548	548
549	549	(% class="box infomessage" %)
550	550	(((
551		-(((
552	552	**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
553	553	)))
554		-)))
555	555
556	556	(% class="box infomessage" %)
557	557	(((
558		-(((
559	559	**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
560	560	)))
561		-)))
562	562
563		-
564		-
565	565	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
566	566
567	567	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -574,40 +574,24 @@
574	574
575	575	* RO is for relay. ROx=1 : close，ROx=0 always open.
576	576	* FIRST: Indicate this is the first packet after join network.
577		-* (((
578		-DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
579		-)))
	401	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
580	580
581		-(((
582	582	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
583		-)))
584	584
585		-(((
586	586	**To use this mode, please run:**
587		-)))
588	588
589	589	(% class="box infomessage" %)
590	590	(((
591		-(((
592	592	**AT+MOD=5**
593	593	)))
594		-)))
595	595
596	596	(% class="box infomessage" %)
597	597	(((
598		-(((
599	599	**ATZ**
600	600	)))
601		-)))
602	602
603		-(((
604		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	417	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
605	605
606		-
607		-)))
608		-
609		-
610		-
611	611	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
612	612
613	613	(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
...	...	@@ -634,7 +634,6 @@
634	634
635	635	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
636	636
637		-
638	638	(% style="color:#4f81bd" %)**Trigger base on current**:
639	639
640	640	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
...	...	@@ -643,7 +643,6 @@
643	643
644	644	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
645	645
646		-
647	647	(% style="color:#4f81bd" %)**Trigger base on DI status**:
648	648
649	649	DI status trigger Flag.
...	...	@@ -657,7 +657,7 @@
657	657
658	658	**Downlink Command to set Trigger Condition**
659	659
660		-Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
	466	+Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
661	661
662	662	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
663	663
...	...	@@ -677,7 +677,7 @@
677	677
678	678	Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
679	679
680		-**Example2**: AA 02 01 00
	486	+Example2: AA 02 01 00
681	681
682	682	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
683	683
...	...	@@ -730,18 +730,12 @@
730	730
731	731	When device got this command, it will send the MOD6 payload.
732	732
733		-
734		-
735	735	=== 3.3.7 Payload Decoder ===
736	736
737	737	(((
738	738	**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/]]
739		-
740		-
741	741	)))
742	742
743		-
744		-
745	745	== 3.4 ​Configure LT via AT or Downlink ==
746	746
747	747	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
...	...	@@ -750,18 +750,14 @@
750	750	There are two kinds of Commands:
751	751	)))
752	752
753		-* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
	553	+* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
754	754
755	755	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
756	756
757		-
758		-
759	759	=== 3.4.1 Common Commands ===
760	760
761		-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]]
	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/]]
762	762
763		-
764		-
765	765	=== 3.4.2 Sensor related commands ===
766	766
767	767	==== 3.4.2.1 Set Transmit Interval ====
...	...	@@ -784,8 +784,6 @@
784	784	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
785	785	)))
786	786
787		-
788		-
789	789	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
790	790
791	791	Set work mode.
...	...	@@ -806,8 +806,6 @@
806	806	**0x0A aa     ~/~/ Same as AT+MOD=aa**
807	807	)))
808	808
809		-
810		-
811	811	==== 3.4.2.3 Poll an uplink ====
812	812
813	813	* AT Command:
...	...	@@ -823,11 +823,9 @@
823	823
824	824	**Example**: 0x08FF, ask device to send an Uplink
825	825
826		-
827		-
828	828	==== 3.4.2.4 Enable Trigger Mode ====
829	829
830		-Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	620	+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]]
831	831
832	832	* AT Command:
833	833
...	...	@@ -847,8 +847,6 @@
847	847	**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
848	848	)))
849	849
850		-
851		-
852	852	==== 3.4.2.5 Poll trigger settings ====
853	853
854	854	Poll trigger settings,
...	...	@@ -864,7 +864,6 @@
864	864	**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
865	865	)))
866	866
867		-
868	868	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
869	869
870	870	Enable Disable DI1/DI2/DI2 as trigger,
...	...	@@ -887,7 +887,6 @@
887	887	**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
888	888	)))
889	889
890		-
891	891	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
892	892
893	893	Set DI1 or DI3(for LT-33222-L) trigger.
...	...	@@ -914,7 +914,6 @@
914	914	**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
915	915	)))
916	916
917		-
918	918	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
919	919
920	920	Set DI2 trigger.
...	...	@@ -941,10 +941,9 @@
941	941	**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
942	942	)))
943	943
944		-
945	945	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
946	946
947		-Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	731	+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]]
948	948
949	949	* AT Command:
950	950
...	...	@@ -957,19 +957,18 @@
957	957
958	958	(% class="box infomessage" %)
959	959	(((
960		-**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	744	+**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]]**
961	961	)))
962	962
963		-
964	964	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
965	965
966		-Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	749	+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]]
967	967
968	968	* AT Command:
969	969
970	970	(% class="box infomessage" %)
971	971	(((
972		-**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	755	+**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]]**
973	973	)))
974	974
975	975	* Downlink Payload (prefix 0xAA 00 ):
...	...	@@ -976,10 +976,9 @@
976	976
977	977	(% class="box infomessage" %)
978	978	(((
979		-**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
	762	+**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]] **
980	980	)))
981	981
982		-
983	983	==== 3.4.2.11 Trigger – Set minimum interval ====
984	984
985	985	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
...	...	@@ -998,7 +998,6 @@
998	998	**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
999	999	)))
1000	1000
1001		-
1002	1002	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1003	1003
1004	1004	* AT Command:
...	...	@@ -1041,10 +1041,8 @@
1041	1041
1042	1042	(% class="box infomessage" %)
1043	1043	(((
1044		-(((
1045	1045	**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1046	1046	)))
1047		-)))
1048	1048
1049	1049	This is to control the digital output time of DO pin. Include four bytes:
1050	1050
...	...	@@ -1066,7 +1066,11 @@
1066	1066
1067	1067	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1068	1068
1069		-[[image:image-20220524093351-8.png]]
	848	+(% border="1" style="background-color:#f7faff" %)
	849	+|Second Byte|Status
	850	+|0x01|DO3 set to low
	851	+|0x00|DO3 set to high
	852	+|0x11|DO3 NO Action
1070	1070
1071	1071	(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1072	1072
...	...	@@ -1074,130 +1074,147 @@
1074	1074
1075	1075	Device will upload a packet if downlink code executes successfully.
1076	1076
1077		-**Example payload:**
1078	1078
1079		-**~1. A9 01 01 01 01 07 D0**
1080	1080
	862	+Example payload:
	863	+
	864	+1. A9 01 01 01 01 07 D0
	865	+
1081	1081	DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
1082	1082
1083		-**2. A9 01 00 01 11 07 D0**
1084	1084
	869	+1. A9 01 00 01 11 07 D0
	870	+
1085	1085	DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
1086	1086
1087		-**3. A9 00 00 00 00 07 D0**
1088	1088
	874	+1. A9 00 00 00 00 07 D0
	875	+
1089	1089	DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
1090	1090
1091		-**4. A9 00 11 01 00 07 D0**
1092	1092
	879	+1. A9 00 11 01 00 07 D0
	880	+
1093	1093	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
1094	1094
1095	1095
1096		-=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1097	1097
	885	+
	886	+==== Relay ~-~- Control Relay Output RO1/RO2 ====
	887	+
1098	1098	* AT Command:
1099	1099
1100	1100	There is no AT Command to control Relay Output
1101	1101
	892	+
1102	1102	* Downlink Payload (prefix 0x03):
1103	1103
1104		-(% class="box infomessage" %)
1105		-(((
1106		-**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1107		-)))
	895	+0x03 aa bb     ~/~/ Set RO1/RO2 output
1108	1108
1109		-(((
1110	1110	If payload = 0x030100, it means set RO1 to close and RO2 to open.
1111		-)))
1112	1112
1113		-(((
1114	1114	01: Close ,  00: Open , 11: No action
1115		-)))
1116	1116
1117		-(((
1118		-[[image:image-20220524093724-9.png]]
1119		-)))
	901	+(% border="1" style="background-color:#f7faff" %)
	902	+|Downlink Code|RO1|RO2
	903	+|03  00  11|Open|No Action
	904	+|03  01  11|Close|No Action
	905	+|03  11  00|No Action|Open
	906	+|03  11  01|No Action|Close
	907	+|03  00  00|Open|Open
	908	+|03  01  01|Close|Close
	909	+|03  01  00|Close|Open
	910	+|03  00  01|Open|Close
1120	1120
1121	1121	Device will upload a packet if downlink code executes successfully.
1122	1122
1123	1123
1124		-==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
	915	+==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1125	1125
1126	1126	* AT Command:
1127	1127
1128	1128	There is no AT Command to control Relay Output
1129	1129
	921	+
1130	1130	* Downlink Payload (prefix 0x05):
1131	1131
1132		-(% class="box infomessage" %)
1133		-(((
1134		-**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1135		-)))
	924	+0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
1136	1136
1137	1137	This is to control the relay output time of relay. Include four bytes:
1138	1138
1139		-(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
	928	+**First Byte:** Type code (0x05)
1140	1140
1141		-(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
	930	+**Second Byte(aa)**: Inverter Mode
1142	1142
1143	1143	01: Relays will change back to original state after timeout.
1144	1144
1145	1145	00: Relays will change to an inverter state after timeout
1146	1146
1147		-(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1148	1148
1149		-[[image:image-20220524093831-10.png]]
	937	+**Third Byte(bb)**: Control Method and Ports status:
1150	1150
1151		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	939	+(% border="1" style="background-color:#f7faff" %)
	940	+|Value|Status
	941	+|0x11|RO1 and RO2 to NO
	942	+|0x10|RO2 to NO, RO1 to NC
	943	+|0x01|RO2 to NC, RO1 to NO
	944	+|0x00|RO1 and RO2 to NC.
	945	+|0x20|RO1 No Action, RO2 to NC
	946	+|0x21|RO1 No Action, RO2 to NO
	947	+|0x02|RO1 to NC, RO2 No Action
	948	+|0x12|RO1 to NO, RO2 No Action
1152	1152
	950	+**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
	951	+
1153	1153	Device will upload a packet if downlink code executes successfully.
1154	1154
	954	+
	955	+
1155	1155	**Example payload:**
1156	1156
1157		-**~1. 05 01 11 07 D0**
	958	+1. 05 01 11 07 D0
1158	1158
1159	1159	Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1160	1160
1161		-**2. 05 01 10 07 D0**
1162	1162
	963	+1. 05 01 10 07 D0
	964	+
1163	1163	Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1164	1164
1165		-**3. 05 00 01 07 D0**
1166	1166
	968	+1. 05 00 01 07 D0
	969	+
1167	1167	Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1168	1168
1169		-**4. 05 00 00 07 D0**
1170	1170
	973	+1. 05 00 00 07 D0
	974	+
1171	1171	Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1172	1172
1173	1173
1174		-==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1175	1175
1176		-When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1177	1177
	980	+
	981	+
	982	+==== Counting ~-~- Voltage threshold counting ====
	983	+
	984	+When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
	985	+
1178	1178	* AT Command:
1179	1179
1180		-(% class="box infomessage" %)
1181		-(((
1182		-**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1183		-)))
	988	+AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
1184	1184
	990	+
1185	1185	* Downlink Payload (prefix 0xA5):
1186	1186
1187		-(% class="box infomessage" %)
1188		-(((
1189		-**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1190		-)))
	993	+0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
1191	1191
1192	1192
1193		-==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
	996	+==== Counting ~-~- Pre-configure the Count Number ====
1194	1194
1195	1195	* AT Command:
1196	1196
1197		-(% class="box infomessage" %)
1198		-(((
1199		-**AT+SETCNT=aa,(bb cc dd ee) **
1200		-)))
	1000	+AT+SETCNT=aa,(bb cc dd ee)
1201	1201
1202	1202	aa: 1: Set count1,
1203	1203
...	...	@@ -1207,234 +1207,182 @@
1207	1207
1208	1208	Bb cc dd ee: number to be set
1209	1209
	1010	+
1210	1210	* Downlink Payload (prefix 0xA8):
1211	1211
1212		-(% class="box infomessage" %)
1213		-(((
1214		-**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1215		-)))
	1013	+0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1216	1216
1217	1217
1218		-==== 3.4.2.18 Counting ~-~- Clear Counting ====
1219	1219
	1017	+
	1018	+
	1019	+==== Counting ~-~- Clear Counting ====
	1020	+
1220	1220	Clear counting for counting mode
1221	1221
1222	1222	* AT Command:
1223	1223
1224		-(% class="box infomessage" %)
1225		-(((
1226		-**AT+CLRCOUNT ~/~/ clear all counting**
1227		-)))
	1025	+AT+CLRCOUNT ~/~/ clear all counting
1228	1228
	1027	+
1229	1229	* Downlink Payload (prefix 0xA6):
1230	1230
1231		-(% class="box infomessage" %)
1232		-(((
1233		-**0x A6 01     ~/~/ clear all counting,**
1234		-)))
	1030	+0x A6 01     ~/~/ clear all counting,
1235	1235
1236	1236
1237		-==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1238	1238
	1034	+
	1035	+==== Counting ~-~- Change counting mode save time ====
	1036	+
1239	1239	* AT Command:
1240	1240
1241		-(% class="box infomessage" %)
1242		-(((
1243		-**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1244		-)))
	1039	+AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1245	1245
	1041	+
1246	1246	* Downlink Payload (prefix 0xA7):
1247	1247
1248		-(% class="box infomessage" %)
1249		-(((
1250		-**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1251		-)))
	1044	+0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1252	1252
1253		-(((
1254	1254	range: aa bb cc:0 to 16777215,  (unit:second)
1255	1255
1256		-
1257		-)))
1258	1258
1259		-== 3.5 Integrate with Mydevice ==
1260	1260
	1050	+
	1051	+1.
	1052	+11. Integrate with Mydevice
	1053	+
1261	1261	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:
1262	1262
1263		-(((
1264		-**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1265		-)))
1266	1266
1267		-(((
1268		-**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:
1269		-)))
	1057	+Step 1: Be sure that your device is programmed and properly connected to the network at this time.
1270	1270
1271		-[[image:1653356737703-362.png||height="232" width="732"]]
	1059	+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:
1272	1272
1273		-[[image:image-20220524094641-11.png||height="390" width="723"]]
1274	1274
1275		-[[image:image-20220524094641-12.png||height="402" width="718"]]
	1062	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
1276	1276
1277	1277
1278		-**Step 3**: Create an account or log in Mydevices.
	1065	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
1279	1279
1280		-**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1281	1281
	1068	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
	1069	+
	1070	+
	1071	+
	1072	+Step 3: Create an account or log in Mydevices.
	1073	+
	1074	+Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
	1075	+
1282	1282	Search under The things network
1283	1283
1284		-[[image:1653356838789-523.png||height="337" width="740"]]
	1078	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1285	1285
1286	1286
1287	1287	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1288	1288
1289		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1083	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1290	1290
1291		-[[image:image-20220524094909-2.png||height="337" width="729"]]
1292	1292
1293		-[[image:image-20220524094909-3.png||height="338" width="727"]]
	1086	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1294	1294
1295		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1296	1296
1297		-[[image:image-20220524094909-5.png||height="341" width="734"]]
	1089	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1298	1298
1299	1299
1300		-== 3.6 Interface Detail ==
	1092	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1301	1301
1302		-=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1303	1303
	1095	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
	1096	+
	1097	+
	1098	+1.
	1099	+11. Interface Detail
	1100	+111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
	1101	+
1304	1304	Support NPN Type sensor
1305	1305
1306		-[[image:1653356991268-289.png]]
	1104	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1307	1307
1308	1308
1309		-=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1310	1310
1311		-(((
	1108	+1.
	1109	+11.
	1110	+111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
	1111	+
1312	1312	The DI port of LT-22222-L can support NPN or PNP output sensor.
1313		-)))
1314	1314
1315		-(((
1316		-(((
1317	1317	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
1318		-)))
1319		-)))
1320	1320
1321		-[[image:1653357170703-587.png]]
	1116	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1322	1322
1323		-(((
1324		-(((
1325	1325	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1326		-)))
1327		-)))
1328	1328
1329		-(((
1330		-
1331		-)))
1332	1332
1333		-(((
1334	1334	**Example1**: Connect to a Low active sensor.
1335		-)))
1336	1336
1337		-(((
1338	1338	This type of sensor will output a low signal GND when active.
1339		-)))
1340	1340
1341		-* (((
1342		-Connect sensor’s output to DI1-
1343		-)))
1344		-* (((
1345		-Connect sensor’s VCC to DI1+.
1346		-)))
	1125	+* Connect sensor’s output to DI1-
	1126	+* Connect sensor’s VCC to DI1+.
1347	1347
1348		-(((
1349		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
1350		-)))
	1128	+So when sensor active, the current between NEC2501 pin1 and pin2 is:
1351	1351
1352		-(((
1353		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1354		-)))
	1130	+ //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1355	1355
1356		-(((
1357		-If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1358		-)))
	1132	+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.
1359	1359
1360		-(((
1361		-
1362		-)))
1363	1363
1364		-(((
1365	1365	**Example2**: Connect to a High active sensor.
1366		-)))
1367	1367
1368		-(((
1369	1369	This type of sensor will output a high signal (example 24v) when active.
1370		-)))
1371	1371
1372		-* (((
1373		-Connect sensor’s output to DI1+
1374		-)))
1375		-* (((
1376		-Connect sensor’s GND DI1-.
1377		-)))
	1139	+* Connect sensor’s output to DI1+
	1140	+* Connect sensor’s GND DI1-.
1378	1378
1379		-(((
1380	1380	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1381		-)))
1382	1382
1383		-(((
1384		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1385		-)))
	1144	+ //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1386	1386
1387		-(((
1388		-If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1389		-)))
	1146	+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.
1390	1390
1391		-(((
1392		-
1393		-)))
1394	1394
1395		-(((
1396		-**Example3**: Connect to a 220v high active sensor.
1397		-)))
	1149	+**Example3**: Connect to a 220v high active sensor.公司测试一下
1398	1398
1399		-(((
1400	1400	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1401		-)))
1402	1402
1403		-* (((
1404		-Connect sensor’s output to DI1+ with a serial 50K resistor
1405		-)))
1406		-* (((
1407		-Connect sensor’s GND DI1-.
1408		-)))
	1153	+* Connect sensor’s output to DI1+ with a serial 50K resistor
	1154	+* Connect sensor’s GND DI1-.
1409	1409
1410		-(((
1411	1411	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1412		-)))
1413	1413
1414		-(((
1415		- [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1416		-)))
	1158	+ //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1417	1417
1418		-(((
1419		-If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% 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.
1420		-)))
	1160	+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.
1421	1421
1422	1422
1423		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
	1163	+1.
	1164	+11.
	1165	+111. Digital Output Port: DO1/DO2 /DO3
1424	1424
1425	1425	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1426	1426
1427		-[[image:1653357531600-905.png]]
	1169	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1428	1428
1429	1429
1430		-=== 3.6.4 Analog Input Interface ===
1431	1431
	1173	+
	1174	+1.
	1175	+11.
	1176	+111. Analog Input Interface
	1177	+
1432	1432	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:
1433	1433
1434		-**AC2 = (IN2 voltage )/12**
	1180	+AC2 = (IN2 voltage )/12
1435	1435
1436		-[[image:1653357592296-182.png]]
	1182	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1437	1437
	1184	+
	1185	+
1438	1438	Example to connect a 4~~20mA sensor
1439	1439
1440	1440	We take the wind speed sensor as an example for reference only.
...	...	@@ -1450,639 +1450,423 @@
1450	1450
1451	1451	Connection diagram:
1452	1452
1453		-[[image:1653357640609-758.png]]
	1201	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1454	1454
1455		-[[image:1653357648330-671.png||height="155" width="733"]]
	1203	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1456	1456
1457	1457
1458		-=== 3.6.5 Relay Output ===
1459	1459
1460		-(((
	1207	+1.
	1208	+11.
	1209	+111. Relay Output
	1210	+
1461	1461	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:
1462		-)))
1463	1463
1464		-[[image:image-20220524100215-9.png]]
	1213	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1465	1465
1466		-[[image:image-20220524100215-10.png||height="382" width="723"]]
1467	1467
	1216	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1468	1468
1469		-== 3.7 LEDs Indicators ==
1470	1470
1471		-[[image:image-20220524100748-11.png]]
1472	1472
1473	1473
1474		-= 4. Use AT Command =
1475	1475
1476		-== 4.1 Access AT Command ==
	1222	+1.
	1223	+11. LEDs Indicators
1477	1477
1478		-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.
	1225	+(% border="1" style="background-color:#f7faff" %)
	1226	+|**LEDs**|**Feature**
	1227	+|**PWR**|Always on if there is power
	1228	+|**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.
	1229	+|**TX**|(((
	1230	+Device boot: TX blinks 5 times.
1479	1479
1480		-[[image:1653358238933-385.png]]
	1232	+Successful join network: TX ON for 5 seconds.
1481	1481
1482		-(((
1483		-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:
	1234	+Transmit a LoRa packet: TX blinks once
1484	1484	)))
	1236	+|**RX**|RX blinks once when receive a packet.
	1237	+|**DO1**|
	1238	+|**DO2**|
	1239	+|**DO3**|
	1240	+|**DI2**|(((
	1241	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1485	1485
1486		-[[image:1653358355238-883.png]]
	1243	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1244	+)))
	1245	+|**DI2**|(((
	1246	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1487	1487
1488		-(((
1489		-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	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1490	1490	)))
	1250	+|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
	1251	+|**DI2**|(((
	1252	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1491	1491
1492		-(((
1493		-AT+<CMD>?        : Help on <CMD>
	1254	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1494	1494	)))
	1256	+|**RO1**|
	1257	+|**RO2**|
1495	1495
1496		-(((
	1259	+1. Use AT Command
	1260	+11. Access AT Command
	1261	+
	1262	+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.
	1263	+
	1264	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1265	+
	1266	+
	1267	+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:
	1268	+
	1269	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1270	+
	1271	+
	1272	+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/]]
	1273	+
	1274	+AT+<CMD>?        : Help on <CMD>
	1275	+
1497	1497	AT+<CMD>         : Run <CMD>
1498		-)))
1499	1499
1500		-(((
1501	1501	AT+<CMD>=<value> : Set the value
1502		-)))
1503	1503
1504		-(((
1505	1505	AT+<CMD>=?       : Get the value
1506		-)))
1507	1507
1508		-(((
1509	1509	ATZ: Trig a reset of the MCU
1510		-)))
1511	1511
1512		-(((
1513	1513	AT+FDR: Reset Parameters to Factory Default, Keys Reserve
1514		-)))
1515	1515
1516		-(((
1517	1517	AT+DEUI: Get or Set the Device EUI
1518		-)))
1519	1519
1520		-(((
1521	1521	AT+DADDR: Get or Set the Device Address
1522		-)))
1523	1523
1524		-(((
1525	1525	AT+APPKEY: Get or Set the Application Key
1526		-)))
1527	1527
1528		-(((
1529	1529	AT+NWKSKEY: Get or Set the Network Session Key
1530		-)))
1531	1531
1532		-(((
1533	1533	AT+APPSKEY: Get or Set the Application Session Key
1534		-)))
1535	1535
1536		-(((
1537	1537	AT+APPEUI: Get or Set the Application EUI
1538		-)))
1539	1539
1540		-(((
1541	1541	AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1542		-)))
1543	1543
1544		-(((
1545	1545	AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1546		-)))
1547	1547
1548		-(((
1549	1549	AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
1550		-)))
1551	1551
1552		-(((
1553	1553	AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1554		-)))
1555	1555
1556		-(((
1557	1557	AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1558		-)))
1559	1559
1560		-(((
1561	1561	AT+RX2FQ: Get or Set the Rx2 window frequency
1562		-)))
1563	1563
1564		-(((
1565	1565	AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1566		-)))
1567	1567
1568		-(((
1569	1569	AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1570		-)))
1571	1571
1572		-(((
1573	1573	AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1574		-)))
1575	1575
1576		-(((
1577	1577	AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1578		-)))
1579	1579
1580		-(((
1581	1581	AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1582		-)))
1583	1583
1584		-(((
1585	1585	AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1586		-)))
1587	1587
1588		-(((
1589	1589	AT+NWKID: Get or Set the Network ID
1590		-)))
1591	1591
1592		-(((
1593	1593	AT+FCU: Get or Set the Frame Counter Uplink
1594		-)))
1595	1595
1596		-(((
1597	1597	AT+FCD: Get or Set the Frame Counter Downlink
1598		-)))
1599	1599
1600		-(((
1601	1601	AT+CLASS: Get or Set the Device Class
1602		-)))
1603	1603
1604		-(((
1605	1605	AT+JOIN: Join network
1606		-)))
1607	1607
1608		-(((
1609	1609	AT+NJS: Get OTAA Join Status
1610		-)))
1611	1611
1612		-(((
1613	1613	AT+SENDB: Send hexadecimal data along with the application port
1614		-)))
1615	1615
1616		-(((
1617	1617	AT+SEND: Send text data along with the application port
1618		-)))
1619	1619
1620		-(((
1621	1621	AT+RECVB: Print last received data in binary format (with hexadecimal values)
1622		-)))
1623	1623
1624		-(((
1625	1625	AT+RECV: Print last received data in raw format
1626		-)))
1627	1627
1628		-(((
1629	1629	AT+VER: Get current image version and Frequency Band
1630		-)))
1631	1631
1632		-(((
1633	1633	AT+CFM: Get or Set the confirmation mode (0-1)
1634		-)))
1635	1635
1636		-(((
1637	1637	AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1638		-)))
1639	1639
1640		-(((
1641	1641	AT+SNR: Get the SNR of the last received packet
1642		-)))
1643	1643
1644		-(((
1645	1645	AT+RSSI: Get the RSSI of the last received packet
1646		-)))
1647	1647
1648		-(((
1649	1649	AT+TDC: Get or set the application data transmission interval in ms
1650		-)))
1651	1651
1652		-(((
1653	1653	AT+PORT: Get or set the application port
1654		-)))
1655	1655
1656		-(((
1657	1657	AT+DISAT: Disable AT commands
1658		-)))
1659	1659
1660		-(((
1661	1661	AT+PWORD: Set password, max 9 digits
1662		-)))
1663	1663
1664		-(((
1665	1665	AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1666		-)))
1667	1667
1668		-(((
1669	1669	AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1670		-)))
1671	1671
1672		-(((
1673	1673	AT+CFG: Print all settings
1674	1674
1675		-
1676		-)))
1677	1677
1678		-== 4.2 Common AT Command Sequence ==
1679	1679
1680		-=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
	1368	+1.
	1369	+11. Common AT Command Sequence
	1370	+111. Multi-channel ABP mode (Use with SX1301/LG308)
1681	1681
1682		-(((
1683	1683	If device has not joined network yet:
1684		-)))
1685	1685
1686		-(((
1687		-(% style="background-color:#dcdcdc" %)123456
1688		-)))
	1374	+123456
1689	1689
1690		-(((
1691		-(% style="background-color:#dcdcdc" %)AT+FDR
1692		-)))
	1376	+AT+FDR
1693	1693
1694		-(((
1695		-(% style="background-color:#dcdcdc" %)123456
1696		-)))
	1378	+123456
1697	1697
1698		-(((
1699		-(% style="background-color:#dcdcdc" %)AT+NJM=0
1700		-)))
	1380	+AT+NJM=0
1701	1701
1702		-(((
1703		-(% style="background-color:#dcdcdc" %)ATZ
1704		-)))
	1382	+ATZ
1705	1705
1706	1706
1707		-(((
1708	1708	If device already joined network:
1709		-)))
1710	1710
1711		-(((
1712		-(% style="background-color:#dcdcdc" %)AT+NJM=0
1713		-)))
	1387	+AT+NJM=0
1714	1714
1715		-(((
1716		-(% style="background-color:#dcdcdc" %)ATZ
	1389	+ATZ
1717	1717
1718		-
1719		-)))
	1391	+1.
	1392	+11.
	1393	+111. Single-channel ABP mode (Use with LG01/LG02)
1720	1720
1721		-=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
	1395	+123456   Enter Password to have AT access.
1722	1722
1723		-(((
1724		-(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1725		-)))
	1397	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1726	1726
1727		-(((
1728		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1729		-)))
	1399	+123456   Enter Password to have AT access.
1730	1730
1731		-(((
1732		-(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1733		-)))
	1401	+AT+CLASS=C Set to work in CLASS C
1734	1734
1735		-(((
1736		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1737		-)))
	1403	+AT+NJM=0 Set to ABP mode
1738	1738
1739		-(((
1740		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1741		-)))
	1405	+AT+ADR=0 Set the Adaptive Data Rate Off
1742	1742
1743		-(((
1744		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1745		-)))
	1407	+AT+DR=5  Set Data Rate
1746	1746
1747		-(((
1748		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1749		-)))
	1409	+AT+TDC=60000  Set transmit interval to 60 seconds
1750	1750
1751		-(((
1752		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1753		-)))
	1411	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1754	1754
1755		-(((
1756		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1757		-)))
	1413	+AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1758	1758
1759		-(((
1760		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1761		-)))
	1415	+AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1762	1762
1763		-(((
1764		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1765		-)))
	1417	+AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1766	1766
1767		-(((
1768		-(% 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.
1769		-)))
	1419	+ATZ          Reset MCU
1770	1770
1771		-(((
1772		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1773		-)))
	1421	+**Note:**
1774	1774
1775		-(((
1776		-(% style="color:red" %)**Note:**
1777		-)))
	1423	+1. Make sure the device is set to ABP mode in the IoT Server.
	1424	+1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1425	+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.
	1426	+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
1778	1778
1779		-(((
1780		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1781		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1782		-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.
1783		-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
1784		-)))
	1428	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1785	1785
1786		-(((
1787		-[[image:1653359097980-169.png||height="188" width="729"]]
1788		-)))
1789	1789
1790		-(((
1791		-
1792		-)))
	1431	+1.
	1432	+11.
	1433	+111. Change to Class A
1793	1793
1794		-=== 4.2.3 Change to Class A ===
1795		-
1796	1796	If sensor JOINED
1797		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
	1436	+
	1437	+AT+CLASS=A
	1438	+
1798	1798	ATZ
1799	1799
1800	1800
1801		-= 5. FAQ =
1802	1802
1803		-== 5.1 How to upgrade the image? ==
1804	1804
	1444	+
	1445	+1. FAQ
	1446	+
	1447	+1.
	1448	+11. How to upgrade the image?
	1449	+
1805	1805	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1806	1806
1807	1807	* Support new features
1808	1808	* For bug fix
1809	1809	* Change LoRaWAN bands.
	1455	+
1810	1810	Below shows the hardware connection for how to upload an image to the LT:
1811		-* [[image:1653359603330-121.png]]
1812	1812
1813		-(((
	1458	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1459	+
	1460	+
1814	1814	**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]].
	1462	+
1815	1815	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1464	+
1816	1816	**Step3: **Open flashloader; choose the correct COM port to update.
	1466	+
	1467	+**For LT-33222-L**:
	1468	+
	1469	+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.
	1470	+
1817	1817	**For LT-22222-L**:
	1472	+
1818	1818	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.
	1474	+
	1475	+
	1476	+
	1477	+|(((
	1478	+Board detected
1819	1819	)))
1820	1820
1821		- [[image:image-20220524103407-12.png]]
	1481	+|(((
	1482	+
	1483	+)))
1822	1822
1823		-[[image:image-20220524103429-13.png]]
	1485	+[[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]]
1824	1824
1825		-[[image:image-20220524104033-15.png]]
1826	1826
1827		-(% 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:
1828	1828
1829		-[[image:1653360054704-518.png||height="186" width="745"]]
	1489	+[[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]]
1830	1830
1831	1831
1832		-(((
1833		-(((
1834		-== 5.2 How to change the LoRa Frequency Bands/Region? ==
1835		-)))
1836		-)))
	1492	+[[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]]
1837	1837
1838		-(((
1839		-User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1840	1840
1841		-
1842		-)))
	1495	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1843	1843
1844		-(((
1845		-== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1846		-)))
	1497	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1847	1847
1848		-(((
1849		-(((
	1499	+
	1500	+1.
	1501	+11. How to change the LoRa Frequency Bands/Region?
	1502	+
	1503	+User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1504	+
	1505	+
	1506	+1.
	1507	+11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
	1508	+
1850	1850	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1851		-)))
1852		-)))
1853	1853
1854		-(((
1855		-(((
1856	1856	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1857		-)))
1858		-)))
1859	1859
1860		-(((
1861		-(% 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.
1862		-)))
1863	1863
1864		-(((
1865		-[[image:1653360231087-571.png||height="401" width="727"]]
1866		-)))
	1514	+**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.
1867	1867
1868		-(((
1869		-(% 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.
1870		-)))
	1516	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1871	1871
1872		-(((
1873		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1874		-)))
	1518	+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.
1875	1875
1876		-(((
1877		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1878		-(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1879		-(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1880		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1881		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1882		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1883		-(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1884		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1885		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1886		-(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1887		-)))
1888	1888
1889		-(((
1890		-As shown in below:
1891		-)))
	1521	+**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1892	1892
1893		-[[image:1653360498588-932.png||height="485" width="726"]]
	1523	+123456   Enter Password to have AT access.
1894	1894
	1525	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1895	1895
1896		-== 5.4 Can I see counting event in Serial? ==
	1527	+123456   Enter Password to have AT access.
1897	1897
1898		-(((
1899		-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.
	1529	+AT+NJM=0 Set to ABP mode
1900	1900
	1531	+AT+ADR=0 Set the Adaptive Data Rate Off
1901	1901
1902		-== 5.5 Can i use point to point communication for LT-22222-L? ==
	1533	+AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1903	1903
1904		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
	1535	+AT+TDC=60000  Set transmit interval to 60 seconds
1905	1905
1906		-
1907		-)))
	1537	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1908	1908
1909		-(((
1910		-= 6. Trouble Shooting =
1911		-)))
	1539	+AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1912	1912
1913		-(((
1914		-(((
1915		-== 6.1 Downlink doesn’t work, how to solve it? ==
1916		-)))
1917		-)))
	1541	+ATZ                Reset MCU
1918	1918
1919		-(((
1920		-Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
	1543	+As shown in below:
1921	1921
1922		-
1923		-)))
	1545	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1924	1924
1925		-(((
1926		-== 6.2 Have trouble to upload image. ==
1927		-)))
1928	1928
1929		-(((
1930		-See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1931		-)))
1932	1932
1933		-(((
1934		-
1935		-)))
	1549	+1.
	1550	+11. Can I see counting event in Serial?
1936	1936
1937		-(((
1938		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1939		-)))
	1552	+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.
1940	1940
1941		-(((
1942		-It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1943		-)))
1944	1944
1945		-(((
1946		-
1947		-)))
1948	1948
1949		-(((
1950		-= 7. Order Info =
1951		-)))
1952	1952
1953		-(((
1954		-(((
1955		-(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1956		-)))
1957		-)))
	1557	+1. Trouble Shooting
	1558	+11. Downlink doesn’t work, how to solve it?
1958	1958
1959		-(((
1960		-(((
1961		-(% style="color:#4f81bd" %)**XXX:**
1962		-)))
1963		-)))
	1560	+Please see this link for how to debug:
1964	1964
1965		-(((
1966		-* (((
1967		-(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1968		-)))
1969		-)))
	1562	+[[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]]
1970	1970
1971		-(((
1972		-* (((
1973		-(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1974		-)))
1975		-)))
1976	1976
1977		-(((
1978		-* (((
1979		-(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1980		-)))
1981		-)))
	1565	+1.
	1566	+11. Have trouble to upload image.
1982	1982
1983		-(((
1984		-* (((
1985		-(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1986		-)))
1987		-)))
	1568	+See this link for trouble shooting:
1988	1988
1989		-(((
1990		-* (((
1991		-(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1992		-)))
1993		-)))
	1570	+[[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]]
1994	1994
1995		-(((
1996		-* (((
1997		-(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1998		-)))
1999		-)))
2000	2000
2001		-(((
2002		-* (((
2003		-(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2004		-)))
2005		-)))
	1573	+1.
	1574	+11. Why I can’t join TTN in US915 /AU915 bands?
2006	2006
2007		-(((
2008		-* (((
2009		-(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2010		-)))
2011		-)))
	1576	+It might be about the channels mapping. Please see this link for detail:
2012	2012
2013		-(((
2014		-* (((
2015		-(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	1578	+[[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]]
2016	2016
2017		-
2018		-)))
2019	2019
2020		-= 8. Packing Info =
2021		-)))
2022	2022
2023		-(((
2024		-(((
	1582	+
	1583	+1. Order Info
	1584	+
	1585	+**For LT-33222-L-XXX or LT-22222-L-XXX:**
	1586	+
	1587	+**XXX:**
	1588	+
	1589	+* **EU433**: LT with frequency bands EU433
	1590	+* **EU868**: LT with frequency bands EU868
	1591	+* **KR920**: LT with frequency bands KR920
	1592	+* **CN470**: LT with frequency bands CN470
	1593	+* **AS923**: LT with frequency bands AS923
	1594	+* **AU915**: LT with frequency bands AU915
	1595	+* **US915**: LT with frequency bands US915
	1596	+* **IN865**: LT with frequency bands IN865
	1597	+* **CN779**: LT with frequency bands CN779
	1598	+
	1599	+1. Packing Info
	1600	+
2025	2025	**Package Includes**:
2026		-)))
2027		-)))
2028	2028
2029		-(((
2030		-(((
2031		-* LT-22222-L I/O Controller x 1
	1603	+* LT I/O Controller x 1
2032	2032	* Stick Antenna for LoRa RF part x 1
2033	2033	* Bracket for controller x1
2034	2034	* Program cable x 1
2035		-)))
2036		-)))
2037	2037
2038		-(((
2039		-(((
2040	2040	**Dimension and weight**:
2041		-)))
2042		-)))
2043	2043
2044		-(((
2045		-(((
2046	2046	* Device Size: 13.5 x 7 x 3 cm
2047	2047	* Device Weight: 105g
2048	2048	* Package Size / pcs : 14.5 x 8 x 5 cm
2049	2049	* Weight / pcs : 170g
2050	2050
2051		-
2052		-)))
2053		-)))
	1615	+1. Support
2054	2054
2055		-(((
2056		-= 9. Support =
2057		-)))
	1617	+* 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.
	1618	+* 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
2058	2058
2059		-* (((
2060		-(((
2061		-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.
2062		-)))
2063		-)))
2064		-* (((
2065		-(((
2066		-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
2067		-)))
2068		-)))
2069		-
2070		-(((
2071		-(((
2072		- [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2073		-
2074		-
2075		-)))
2076		-
2077		-(((
2078		-= 10. Reference​​​​​ =
2079		-
2080		-* Product Page:
2081		-
2082		-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]]
2083		-
2084		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2085		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2086		-* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2087		-)))
2088		-)))
	1620	+[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]

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