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
...	...	@@ -1051,30 +1051,18 @@
1051	1051
1052	1052	[[image:1653356838789-523.png||height="337" width="740"]]
1053	1053
1054		-
1055	1055	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1056	1056
	1209	+[[image:image-20220524094909-1.png||height="335" width="729"]]
1057	1057
1058		-[[image:image-20220524094909-1.png]]
	1211	+[[image:image-20220524094909-2.png||height="337" width="729"]]
1059	1059
1060		-
1061		-[[image:image-20220524094909-2.png]]
1062		-
1063		-
1064	1064	[[image:image-20220524094909-3.png||height="338" width="727"]]
1065	1065
	1215	+[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1066	1066
1067		-[[image:image-20220524094909-4.png||height="339" width="728"]]
1068		-
1069		-(% style="display:none" %) (%%)
1070		-
1071	1071	[[image:image-20220524094909-5.png||height="341" width="734"]]
1072	1072
1073		-
1074		-
1075		-
1076		-
1077		-
1078	1078	== 3.6 Interface Detail ==
1079	1079
1080	1080	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1083,19 +1083,23 @@
1083	1083
1084	1084	[[image:1653356991268-289.png]]
1085	1085
	1227	+=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1086	1086
1087		-
1088		-1.
1089		-11.
1090		-111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1091		-
	1229	+(((
1092	1092	The DI port of LT-22222-L can support NPN or PNP output sensor.
	1231	+)))
1093	1093
	1233	+(((
	1234	+(((
1094	1094	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
	1236	+)))
	1237	+)))
1095	1095
1096		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	1239	+[[image:1653357170703-587.png]]
1097	1097
	1241	+(((
1098	1098	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
	1243	+)))
1099	1099
1100	1100
1101	1101	**Example1**: Connect to a Low active sensor.
...	...	@@ -1105,11 +1105,11 @@
1105	1105	* Connect sensor’s output to DI1-
1106	1106	* Connect sensor’s VCC to DI1+.
1107	1107
1108		-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： ​​
1109	1109
1110		- //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.**
1111	1111
1112		-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.
1113	1113
1114	1114
1115	1115	**Example2**: Connect to a High active sensor.
...	...	@@ -1121,12 +1121,12 @@
1121	1121
1122	1122	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1123	1123
1124		- //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.**
1125	1125
1126		-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.
1127	1127
1128	1128
1129		-**Example3**: Connect to a 220v high active sensor.公司测试一下
	1274	+**Example3**: Connect to a 220v high active sensor.
1130	1130
1131	1131	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1132	1132
...	...	@@ -1135,34 +1135,24 @@
1135	1135
1136	1136	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1137	1137
1138		- //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.**
1139	1139
1140		-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.
1141	1141
	1287	+=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1142	1142
1143		-1.
1144		-11.
1145		-111. Digital Output Port: DO1/DO2 /DO3
1146		-
1147	1147	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1148	1148
1149		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1291	+[[image:1653357531600-905.png]]
1150	1150
	1293	+=== 3.6.4 Analog Input Interface ===
1151	1151
1152		-
1153		-
1154		-1.
1155		-11.
1156		-111. Analog Input Interface
1157		-
1158	1158	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:
1159	1159
1160		-AC2 = (IN2 voltage )/12
	1297	+**AC2 = (IN2 voltage )/12**
1161	1161
1162		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	1299	+[[image:1653357592296-182.png]]
1163	1163
1164		-
1165		-
1166	1166	Example to connect a 4~~20mA sensor
1167	1167
1168	1168	We take the wind speed sensor as an example for reference only.
...	...	@@ -1178,423 +1178,621 @@
1178	1178
1179	1179	Connection diagram:
1180	1180
1181		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
	1316	+[[image:1653357640609-758.png]]
1182	1182
1183		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	1318	+[[image:1653357648330-671.png||height="155" width="733"]]
1184	1184
	1320	+=== 3.6.5 Relay Output ===
1185	1185
1186		-
1187		-1.
1188		-11.
1189		-111. Relay Output
1190		-
	1322	+(((
1191	1191	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	+)))
1192	1192
1193		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1326	+[[image:image-20220524100215-9.png]]
1194	1194
	1328	+[[image:image-20220524100215-10.png||height="382" width="723"]]
1195	1195
1196		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1330	+== 3.7 LEDs Indicators ==
1197	1197
	1332	+[[image:image-20220524100748-11.png]]
1198	1198
	1334	+= 4. Use AT Command =
1199	1199
	1336	+== 4.1 Access AT Command ==
1200	1200
	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.
1201	1201
1202		-1.
1203		-11. LEDs Indicators
	1340	+[[image:1653358238933-385.png]]
1204	1204
1205		-(% border="1" style="background-color:#f7faff" %)
1206		-|**LEDs**|**Feature**
1207		-|**PWR**|Always on if there is power
1208		-|**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.
1209		-|**TX**|(((
1210		-Device boot: TX blinks 5 times.
1211		-
1212		-Successful join network: TX ON for 5 seconds.
1213		-
1214		-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:
1215	1215	)))
1216		-|**RX**|RX blinks once when receive a packet.
1217		-|**DO1**|
1218		-|**DO2**|
1219		-|**DO3**|
1220		-|**DI2**|(((
1221		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1222	1222
1223		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1224		-)))
1225		-|**DI2**|(((
1226		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1346	+[[image:1653358355238-883.png]]
1227	1227
1228		-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/]]
1229	1229	)))
1230		-|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1231		-|**DI2**|(((
1232		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1233	1233
1234		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1352	+(((
	1353	+AT+<CMD>?        : Help on <CMD>
1235	1235	)))
1236		-|**RO1**|
1237		-|**RO2**|
1238	1238
1239		-1. Use AT Command
1240		-11. Access AT Command
1241		-
1242		-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.
1243		-
1244		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1245		-
1246		-
1247		-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:
1248		-
1249		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1250		-
1251		-
1252		-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/]]
1253		-
1254		-AT+<CMD>?        : Help on <CMD>
1255		-
	1356	+(((
1256	1256	AT+<CMD>         : Run <CMD>
	1358	+)))
1257	1257
	1360	+(((
1258	1258	AT+<CMD>=<value> : Set the value
	1362	+)))
1259	1259
	1364	+(((
1260	1260	AT+<CMD>=?       : Get the value
	1366	+)))
1261	1261
	1368	+(((
1262	1262	ATZ: Trig a reset of the MCU
	1370	+)))
1263	1263
	1372	+(((
1264	1264	AT+FDR: Reset Parameters to Factory Default, Keys Reserve
	1374	+)))
1265	1265
	1376	+(((
1266	1266	AT+DEUI: Get or Set the Device EUI
	1378	+)))
1267	1267
	1380	+(((
1268	1268	AT+DADDR: Get or Set the Device Address
	1382	+)))
1269	1269
	1384	+(((
1270	1270	AT+APPKEY: Get or Set the Application Key
	1386	+)))
1271	1271
	1388	+(((
1272	1272	AT+NWKSKEY: Get or Set the Network Session Key
	1390	+)))
1273	1273
	1392	+(((
1274	1274	AT+APPSKEY: Get or Set the Application Session Key
	1394	+)))
1275	1275
	1396	+(((
1276	1276	AT+APPEUI: Get or Set the Application EUI
	1398	+)))
1277	1277
	1400	+(((
1278	1278	AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
	1402	+)))
1279	1279
	1404	+(((
1280	1280	AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
	1406	+)))
1281	1281
	1408	+(((
1282	1282	AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1410	+)))
1283	1283
	1412	+(((
1284	1284	AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
	1414	+)))
1285	1285
	1416	+(((
1286	1286	AT+PNM: Get or Set the public network mode. (0: off, 1: on)
	1418	+)))
1287	1287
	1420	+(((
1288	1288	AT+RX2FQ: Get or Set the Rx2 window frequency
	1422	+)))
1289	1289
	1424	+(((
1290	1290	AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
	1426	+)))
1291	1291
	1428	+(((
1292	1292	AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
	1430	+)))
1293	1293
	1432	+(((
1294	1294	AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
	1434	+)))
1295	1295
	1436	+(((
1296	1296	AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
	1438	+)))
1297	1297
	1440	+(((
1298	1298	AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
	1442	+)))
1299	1299
	1444	+(((
1300	1300	AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1446	+)))
1301	1301
	1448	+(((
1302	1302	AT+NWKID: Get or Set the Network ID
	1450	+)))
1303	1303
	1452	+(((
1304	1304	AT+FCU: Get or Set the Frame Counter Uplink
	1454	+)))
1305	1305
	1456	+(((
1306	1306	AT+FCD: Get or Set the Frame Counter Downlink
	1458	+)))
1307	1307
	1460	+(((
1308	1308	AT+CLASS: Get or Set the Device Class
	1462	+)))
1309	1309
	1464	+(((
1310	1310	AT+JOIN: Join network
	1466	+)))
1311	1311
	1468	+(((
1312	1312	AT+NJS: Get OTAA Join Status
	1470	+)))
1313	1313
	1472	+(((
1314	1314	AT+SENDB: Send hexadecimal data along with the application port
	1474	+)))
1315	1315
	1476	+(((
1316	1316	AT+SEND: Send text data along with the application port
	1478	+)))
1317	1317
	1480	+(((
1318	1318	AT+RECVB: Print last received data in binary format (with hexadecimal values)
	1482	+)))
1319	1319
	1484	+(((
1320	1320	AT+RECV: Print last received data in raw format
	1486	+)))
1321	1321
	1488	+(((
1322	1322	AT+VER: Get current image version and Frequency Band
	1490	+)))
1323	1323
	1492	+(((
1324	1324	AT+CFM: Get or Set the confirmation mode (0-1)
	1494	+)))
1325	1325
	1496	+(((
1326	1326	AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1498	+)))
1327	1327
	1500	+(((
1328	1328	AT+SNR: Get the SNR of the last received packet
	1502	+)))
1329	1329
	1504	+(((
1330	1330	AT+RSSI: Get the RSSI of the last received packet
	1506	+)))
1331	1331
	1508	+(((
1332	1332	AT+TDC: Get or set the application data transmission interval in ms
	1510	+)))
1333	1333
	1512	+(((
1334	1334	AT+PORT: Get or set the application port
	1514	+)))
1335	1335
	1516	+(((
1336	1336	AT+DISAT: Disable AT commands
	1518	+)))
1337	1337
	1520	+(((
1338	1338	AT+PWORD: Set password, max 9 digits
	1522	+)))
1339	1339
	1524	+(((
1340	1340	AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
	1526	+)))
1341	1341
	1528	+(((
1342	1342	AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
	1530	+)))
1343	1343
	1532	+(((
1344	1344	AT+CFG: Print all settings
	1534	+)))
1345	1345
	1536	+== 4.2 Common AT Command Sequence ==
1346	1346
	1538	+=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1347	1347
1348		-1.
1349		-11. Common AT Command Sequence
1350		-111. Multi-channel ABP mode (Use with SX1301/LG308)
1351		-
	1540	+(((
1352	1352	If device has not joined network yet:
	1542	+)))
1353	1353
1354		-123456
	1544	+(((
	1545	+(% style="background-color:#dcdcdc" %)123456
	1546	+)))
1355	1355
1356		-AT+FDR
	1548	+(((
	1549	+(% style="background-color:#dcdcdc" %)AT+FDR
	1550	+)))
1357	1357
1358		-123456
	1552	+(((
	1553	+(% style="background-color:#dcdcdc" %)123456
	1554	+)))
1359	1359
1360		-AT+NJM=0
	1556	+(((
	1557	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1558	+)))
1361	1361
1362		-ATZ
	1560	+(((
	1561	+(% style="background-color:#dcdcdc" %)ATZ
	1562	+)))
1363	1363
1364	1364
	1565	+(((
1365	1365	If device already joined network:
	1567	+)))
1366	1366
1367		-AT+NJM=0
	1569	+(((
	1570	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1571	+)))
1368	1368
1369		-ATZ
	1573	+(((
	1574	+(% style="background-color:#dcdcdc" %)ATZ
	1575	+)))
1370	1370
1371		-1.
1372		-11.
1373		-111. Single-channel ABP mode (Use with LG01/LG02)
	1577	+=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1374	1374
1375		-123456   Enter Password to have AT access.
	1579	+(((
	1580	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1581	+)))
1376	1376
1377		-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	+)))
1378	1378
1379		-123456   Enter Password to have AT access.
	1587	+(((
	1588	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1589	+)))
1380	1380
1381		-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	+)))
1382	1382
1383		-AT+NJM=0 Set to ABP mode
	1595	+(((
	1596	+(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
	1597	+)))
1384	1384
1385		-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	+)))
1386	1386
1387		-AT+DR=5  Set Data Rate
	1603	+(((
	1604	+(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1605	+)))
1388	1388
1389		-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	+)))
1390	1390
1391		-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	+)))
1392	1392
1393		-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	+)))
1394	1394
1395		-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	+)))
1396	1396
1397		-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	+)))
1398	1398
1399		-ATZ          Reset MCU
	1627	+(((
	1628	+(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1629	+)))
1400	1400
1401		-**Note:**
	1631	+(((
	1632	+(% style="color:red" %)**Note:**
	1633	+)))
1402	1402
1403		-1. Make sure the device is set to ABP mode in the IoT Server.
1404		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1405		-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.
1406		-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	+)))
1407	1407
1408		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
	1642	+(((
	1643	+[[image:1653359097980-169.png||height="188" width="729"]]
	1644	+)))
1409	1409
	1646	+(((
	1647	+
	1648	+)))
1410	1410
1411		-1.
1412		-11.
1413		-111. Change to Class A
	1650	+=== 4.2.3 Change to Class A ===
1414	1414
1415	1415	If sensor JOINED
1416		-
1417		-AT+CLASS=A
1418		-
	1653	+(% style="background-color:#dcdcdc" %)AT+CLASS=A
1419	1419	ATZ
1420	1420
	1656	+= 5. FAQ =
1421	1421
	1658	+== 5.1 How to upgrade the image? ==
1422	1422
1423		-
1424		-
1425		-1. FAQ
1426		-
1427		-1.
1428		-11. How to upgrade the image?
1429		-
1430	1430	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1431	1431
1432	1432	* Support new features
1433	1433	* For bug fix
1434	1434	* Change LoRaWAN bands.
1435		-
1436	1436	Below shows the hardware connection for how to upload an image to the LT:
	1666	+* [[image:1653359603330-121.png]]
1437	1437
1438		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1439		-
1440		-
	1668	+(((
1441	1441	**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]].
1442		-
1443	1443	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1444		-
1445	1445	**Step3: **Open flashloader; choose the correct COM port to update.
1446		-
1447		-**For LT-33222-L**:
1448		-
1449		-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.
1450		-
1451	1451	**For LT-22222-L**:
1452		-
1453	1453	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.
1454		-
1455		-
1456		-
1457		-|(((
1458		-Board detected
1459	1459	)))
1460	1460
1461		-|(((
1462		-
1463		-)))
	1676	+ [[image:image-20220524103407-12.png]]
1464	1464
1465		-[[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]]
1466	1466
	1680	+[[image:image-20220524104033-15.png]]
1467	1467
	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:
1468	1468
1469		-[[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"]]
1470	1470
	1686	+(((
	1687	+(((
	1688	+== 5.2 How to change the LoRa Frequency Bands/Region? ==
	1689	+)))
	1690	+)))
1471	1471
1472		-[[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	+)))
1473	1473
	1696	+(((
	1697	+== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	1698	+)))
1474	1474
1475		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1476		-
1477		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1478		-
1479		-
1480		-1.
1481		-11. How to change the LoRa Frequency Bands/Region?
1482		-
1483		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1484		-
1485		-
1486		-1.
1487		-11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1488		-
	1700	+(((
	1701	+(((
1489	1489	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	1703	+)))
	1704	+)))
1490	1490
	1706	+(((
	1707	+(((
1491	1491	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	1709	+)))
	1710	+)))
1492	1492
	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	+)))
1493	1493
1494		-**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	+)))
1495	1495
1496		-[[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	+)))
1497	1497
1498		-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	+)))
1499	1499
	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	+)))
1500	1500
1501		-**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	+)))
1502	1502
1503		-123456   Enter Password to have AT access.
	1745	+[[image:1653360498588-932.png||height="485" width="726"]]
1504	1504
1505		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1747	+== 5.4 Can I see counting event in Serial? ==
1506	1506
1507		-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	+)))
1508	1508
1509		-AT+NJM=0 Set to ABP mode
	1753	+(((
	1754	+= 6. Trouble Shooting =
	1755	+)))
1510	1510
1511		-AT+ADR=0 Set the Adaptive Data Rate Off
	1757	+(((
	1758	+(((
	1759	+== 6.1 Downlink doesn’t work, how to solve it? ==
	1760	+)))
	1761	+)))
1512	1512
1513		-AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
	1763	+(((
	1764	+Please see this link for how to debug: [[How it work>>doc:Main.LoRaWAN Communication Debug.H5.1Howitwork]]
1514	1514
1515		-AT+TDC=60000  Set transmit interval to 60 seconds
1516	1516
1517		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1767	+[[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]]
1518	1518
1519		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
	1769	+
	1770	+)))
1520	1520
1521		-ATZ                Reset MCU
	1772	+(((
	1773	+== 6.2 Have trouble to upload image. ==
	1774	+)))
1522	1522
1523		-As shown in below:
	1776	+(((
	1777	+See this link for trouble shooting:
1524	1524
1525		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
	1779	+[[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/]]
	1780	+)))
1526	1526
	1782	+(((
	1783	+
	1784	+)))
1527	1527
	1786	+(((
	1787	+== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	1788	+)))
1528	1528
1529		-1.
1530		-11. Can I see counting event in Serial?
	1790	+(((
	1791	+It might be about the channels mapping. Please see this link for detail:
1531	1531
1532		-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.
	1793	+[[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]]
	1794	+)))
1533	1533
	1796	+(((
	1797	+
	1798	+)))
1534	1534
	1800	+(((
	1801	+= 7. Order Info =
	1802	+)))
1535	1535
	1804	+(((
	1805	+(((
	1806	+(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
	1807	+)))
	1808	+)))
1536	1536
1537		-1. Trouble Shooting
1538		-11. Downlink doesn’t work, how to solve it?
	1810	+(((
	1811	+(((
	1812	+(% style="color:#4f81bd" %)**XXX:**
	1813	+)))
	1814	+)))
1539	1539
1540		-Please see this link for how to debug:
	1816	+(((
	1817	+* (((
	1818	+(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
	1819	+)))
	1820	+)))
1541	1541
1542		-[[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]]
	1822	+(((
	1823	+* (((
	1824	+(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
	1825	+)))
	1826	+)))
1543	1543
	1828	+(((
	1829	+* (((
	1830	+(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
	1831	+)))
	1832	+)))
1544	1544
1545		-1.
1546		-11. Have trouble to upload image.
	1834	+(((
	1835	+* (((
	1836	+(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
	1837	+)))
	1838	+)))
1547	1547
1548		-See this link for trouble shooting:
	1840	+(((
	1841	+* (((
	1842	+(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
	1843	+)))
	1844	+)))
1549	1549
1550		-[[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]]
	1846	+(((
	1847	+* (((
	1848	+(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
	1849	+)))
	1850	+)))
1551	1551
	1852	+(((
	1853	+* (((
	1854	+(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
	1855	+)))
	1856	+)))
1552	1552
1553		-1.
1554		-11. Why I can’t join TTN in US915 /AU915 bands?
	1858	+(((
	1859	+* (((
	1860	+(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
	1861	+)))
	1862	+)))
1555	1555
1556		-It might be about the channels mapping. Please see this link for detail:
	1864	+(((
	1865	+* (((
	1866	+(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	1867	+)))
1557	1557
1558		-[[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]]
	1869	+= 8. Packing Info =
	1870	+)))
1559	1559
1560		-
1561		-
1562		-
1563		-1. Order Info
1564		-
1565		-**For LT-33222-L-XXX or LT-22222-L-XXX:**
1566		-
1567		-**XXX:**
1568		-
1569		-* **EU433**: LT with frequency bands EU433
1570		-* **EU868**: LT with frequency bands EU868
1571		-* **KR920**: LT with frequency bands KR920
1572		-* **CN470**: LT with frequency bands CN470
1573		-* **AS923**: LT with frequency bands AS923
1574		-* **AU915**: LT with frequency bands AU915
1575		-* **US915**: LT with frequency bands US915
1576		-* **IN865**: LT with frequency bands IN865
1577		-* **CN779**: LT with frequency bands CN779
1578		-
1579		-1. Packing Info
1580		-
	1872	+(((
	1873	+(((
1581	1581	**Package Includes**:
	1875	+)))
	1876	+)))
1582	1582
1583		-* LT I/O Controller x 1
	1878	+(((
	1879	+(((
	1880	+* LT-22222-L I/O Controller x 1
1584	1584	* Stick Antenna for LoRa RF part x 1
1585	1585	* Bracket for controller x1
1586	1586	* Program cable x 1
	1884	+)))
	1885	+)))
1587	1587
	1887	+(((
	1888	+(((
1588	1588	**Dimension and weight**:
	1890	+)))
	1891	+)))
1589	1589
	1893	+(((
	1894	+(((
1590	1590	* Device Size: 13.5 x 7 x 3 cm
1591	1591	* Device Weight: 105g
1592	1592	* Package Size / pcs : 14.5 x 8 x 5 cm
1593	1593	* Weight / pcs : 170g
	1899	+)))
	1900	+)))
1594	1594
1595		-1. Support
	1902	+(((
	1903	+= 9. Support =
	1904	+)))
1596	1596
1597		-* 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.
1598		-* 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
	1906	+* (((
	1907	+(((
	1908	+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.
	1909	+)))
	1910	+)))
	1911	+* (((
	1912	+(((
	1913	+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
	1914	+)))
	1915	+)))
1599	1599
1600		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1917	+(((
	1918	+(((
	1919	+ [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1920	+)))
	1921	+
	1922	+(((
	1923	+= 10. Reference​​​​​ =
	1924	+
	1925	+* Product Page:
	1926	+
	1927	+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]]
	1928	+
	1929	+* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
	1930	+* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1931	+* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
	1932	+)))
	1933	+)))

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