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

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...	...	@@ -41,122 +41,48 @@
41	41
42	42	(((
43	43	[[image:1653295757274-912.png]]
44		-
45		-
46	46	)))
47	47
48	48	== 1.2  Specifications ==
49	49
50		-(((
51	51	**Hardware System:**
52		-)))
53	53
54		-* (((
55		-STM32L072CZT6 MCU
56		-)))
57		-* (((
58		-SX1276/78 Wireless Chip
59		-)))
60		-* (((
61		-(((
62		-Power Consumption:
63		-)))
	50	+* STM32L072CZT6 MCU
	51	+* SX1276/78 Wireless Chip
	52	+* Power Consumption:
	53	+** Idle: 4mA@12v
	54	+** 20dB Transmit: 34mA@12v
64	64
65		-* (((
66		-Idle: 4mA@12v
67		-)))
68		-* (((
69		-20dB Transmit: 34mA@12v
70		-)))
71		-)))
72		-
73		-(((
74	74	**Interface for Model: LT22222-L:**
75		-)))
76	76
77		-* (((
78		-2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
79		-)))
80		-* (((
81		-2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
82		-)))
83		-* (((
84		-2 x Relay Output (5A@250VAC / 30VDC)
85		-)))
86		-* (((
87		-2 x 0~~20mA Analog Input (res:0.01mA)
88		-)))
89		-* (((
90		-2 x 0~~30V Analog Input (res:0.01v)
91		-)))
92		-* (((
93		-Power Input 7~~ 24V DC.
94		-)))
	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.
95	95
96		-(((
97	97	**LoRa Spec:**
98		-)))
99	99
100		-* (((
101		-(((
102		-Frequency Range:
103		-)))
	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.
104	104
105		-* (((
106		-Band 1 (HF): 862 ~~ 1020 Mhz
107		-)))
108		-* (((
109		-Band 2 (LF): 410 ~~ 528 Mhz
110		-)))
111		-)))
112		-* (((
113		-168 dB maximum link budget.
114		-)))
115		-* (((
116		-+20 dBm - 100 mW constant RF output vs.
117		-)))
118		-* (((
119		-+14 dBm high efficiency PA.
120		-)))
121		-* (((
122		-Programmable bit rate up to 300 kbps.
123		-)))
124		-* (((
125		-High sensitivity: down to -148 dBm.
126		-)))
127		-* (((
128		-Bullet-proof front end: IIP3 = -12.5 dBm.
129		-)))
130		-* (((
131		-Excellent blocking immunity.
132		-)))
133		-* (((
134		-Low RX current of 10.3 mA, 200 nA register retention.
135		-)))
136		-* (((
137		-Fully integrated synthesizer with a resolution of 61 Hz.
138		-)))
139		-* (((
140		-FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
141		-)))
142		-* (((
143		-Built-in bit synchronizer for clock recovery.
144		-)))
145		-* (((
146		-Preamble detection.
147		-)))
148		-* (((
149		-127 dB Dynamic Range RSSI.
150		-)))
151		-* (((
152		-Automatic RF Sense and CAD with ultra-fast AFC.
153		-)))
154		-* (((
155		-Packet engine up to 256 bytes with CRC.
156		-
157		-
158		-)))
159		-
160	160	== 1.3 Features ==
161	161
162	162	* LoRaWAN Class A & Class C protocol
...	...	@@ -167,7 +167,6 @@
167	167	* Firmware upgradable via program port
168	168	* Counting
169	169
170		-
171	171	== 1.4  Applications ==
172	172
173	173	* Smart Buildings & Home Automation
...	...	@@ -177,7 +177,6 @@
177	177	* Smart Cities
178	178	* Smart Factory
179	179
180		-
181	181	== 1.5 Hardware Variants ==
182	182
183	183	(% border="1" style="background-color:#f7faff; width:500px" %)
...	...	@@ -191,8 +191,6 @@
191	191	* 1 x Counting Port
192	192	)))
193	193
194		-
195		-
196	196	= 2. Power ON Device =
197	197
198	198	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.
...	...	@@ -203,29 +203,21 @@
203	203
204	204	[[image:1653297104069-180.png]]
205	205
206		-
207	207	= 3. Operation Mode =
208	208
209	209	== 3.1 How it works? ==
210	210
211		-(((
212	212	The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
213		-)))
214	214
215		-(((
216		-In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
	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.
217	217
218		-
219		-)))
	136	+3.2 Example to join LoRaWAN network
220	220
221		-== 3.2 Example to join LoRaWAN network ==
222		-
223		-(((
224	224	This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
225		-)))
226	226
227	227	[[image:image-20220523172350-1.png||height="266" width="864"]]
228	228
	142	+
229	229	(((
230	230	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:
231	231	)))
...	...	@@ -246,12 +246,10 @@
246	246
247	247	[[image:1653297955910-247.png||height="321" width="716"]]
248	248
249		-
250	250	Add APP KEY and DEV EUI
251	251
252	252	[[image:1653298023685-319.png]]
253	253
254		-
255	255	(((
256	256	**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.
257	257	)))
...	...	@@ -258,7 +258,6 @@
258	258
259	259	[[image:1653298044601-602.png||height="405" width="709"]]
260	260
261		-
262	262	== 3.3 Uplink Payload ==
263	263
264	264	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -270,7 +270,6 @@
270	270	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
271	271	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
272	272
273		-
274	274	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
275	275
276	276	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
...	...	@@ -325,9 +325,7 @@
325	325
326	326	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
327	327
328		-(((
329	329	Total : 11 bytes payload
330		-)))
331	331
332	332	[[image:image-20220523180452-3.png]]
333	333
...	...	@@ -341,77 +341,53 @@
341	341	* FIRST: Indicate this is the first packet after join network.
342	342	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
343	343
344		-(((
345	345	(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
346		-)))
347	347
348		-(((
349	349	**To use counting mode, please run:**
350		-)))
351	351
352	352	(% class="box infomessage" %)
353	353	(((
354		-(((
355	355	**AT+MOD=2**
356	356	)))
357		-)))
358	358
359	359	(% class="box infomessage" %)
360	360	(((
361		-(((
362	362	**ATZ**
363	363	)))
364		-)))
365	365
366		-(((
367	367	(% style="color:#4f81bd" %)**AT Commands for counting:**
368		-)))
369	369
370		-(((
371	371	**For LT22222-L:**
372		-)))
373	373
374	374	(% class="box infomessage" %)
375	375	(((
376		-(((
377	377	**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
378	378	)))
379		-)))
380	380
381	381	(% class="box infomessage" %)
382	382	(((
383		-(((
384	384	**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
385	385	)))
386		-)))
387	387
388	388	(% class="box infomessage" %)
389	389	(((
390		-(((
391	391	**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
392	392	)))
393		-)))
394	394
395	395	(% class="box infomessage" %)
396	396	(((
397		-(((
398	398	**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
399	399	)))
400		-)))
401	401
402	402	(% class="box infomessage" %)
403	403	(((
404		-(((
405	405	**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
406	406	)))
407		-)))
408	408
409	409	(% class="box infomessage" %)
410	410	(((
411		-(((
412	412	**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
413	413	)))
414		-)))
415	415
416	416	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
417	417
...	...	@@ -429,31 +429,21 @@
429	429	* FIRST: Indicate this is the first packet after join network.
430	430	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
431	431
432		-(((
433	433	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
434		-)))
435	435
436		-(((
437	437	**To use counting mode, please run:**
438		-)))
439	439
440	440	(% class="box infomessage" %)
441	441	(((
442		-(((
443	443	**AT+MOD=3**
444	444	)))
445		-)))
446	446
447	447	(% class="box infomessage" %)
448	448	(((
449		-(((
450	450	**ATZ**
451	451	)))
452		-)))
453	453
454		-(((
455		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
456		-)))
	330	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
457	457
458	458	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
459	459
...	...	@@ -473,67 +473,44 @@
473	473	* FIRST: Indicate this is the first packet after join network.
474	474	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
475	475
476		-(((
477	477	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
478		-)))
479	479
480		-(((
481	481	**To use this mode, please run:**
482		-)))
483	483
484	484	(% class="box infomessage" %)
485	485	(((
486		-(((
487	487	**AT+MOD=4**
488	488	)))
489		-)))
490	490
491	491	(% class="box infomessage" %)
492	492	(((
493		-(((
494	494	**ATZ**
495	495	)))
496		-)))
497	497
498		-(((
499		-
500		-)))
501	501
502		-(((
503		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
504		-)))
	365	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
505	505
506		-(((
507	507	**Plus below command for AVI1 Counting:**
508		-)))
509	509
510	510	(% class="box infomessage" %)
511	511	(((
512		-(((
513	513	**AT+SETCNT=3,60   (set AVI Count to 60)**
514	514	)))
515		-)))
516	516
517	517	(% class="box infomessage" %)
518	518	(((
519		-(((
520	520	**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
521	521	)))
522		-)))
523	523
524	524	(% class="box infomessage" %)
525	525	(((
526		-(((
527	527	**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
528	528	)))
529		-)))
530	530
531	531	(% class="box infomessage" %)
532	532	(((
533		-(((
534	534	**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
535	535	)))
536		-)))
537	537
538	538	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
539	539
...	...	@@ -547,35 +547,23 @@
547	547
548	548	* RO is for relay. ROx=1 : close，ROx=0 always open.
549	549	* FIRST: Indicate this is the first packet after join network.
550		-* (((
551		-DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
552		-)))
	401	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
553	553
554		-(((
555	555	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
556		-)))
557	557
558		-(((
559	559	**To use this mode, please run:**
560		-)))
561	561
562	562	(% class="box infomessage" %)
563	563	(((
564		-(((
565	565	**AT+MOD=5**
566	566	)))
567		-)))
568	568
569	569	(% class="box infomessage" %)
570	570	(((
571		-(((
572	572	**ATZ**
573	573	)))
574		-)))
575	575
576		-(((
577		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
578		-)))
	417	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
579	579
580	580	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
581	581
...	...	@@ -624,7 +624,7 @@
624	624
625	625	**Downlink Command to set Trigger Condition**
626	626
627		-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]]
628	628
629	629	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
630	630
...	...	@@ -644,7 +644,7 @@
644	644
645	645	Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
646	646
647		-**Example2**: AA 02 01 00
	486	+Example2: AA 02 01 00
648	648
649	649	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
650	650
...	...	@@ -717,7 +717,7 @@
717	717
718	718	=== 3.4.1 Common Commands ===
719	719
720		-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/]]
721	721
722	722	=== 3.4.2 Sensor related commands ===
723	723
...	...	@@ -983,10 +983,8 @@
983	983
984	984	(% class="box infomessage" %)
985	985	(((
986		-(((
987	987	**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
988	988	)))
989		-)))
990	990
991	991	This is to control the digital output time of DO pin. Include four bytes:
992	992
...	...	@@ -1189,29 +1189,24 @@
1189	1189	**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1190	1190	)))
1191	1191
1192		-(((
1193	1193	range: aa bb cc:0 to 16777215,  (unit:second)
1194		-)))
1195	1195
1196	1196	== 3.5 Integrate with Mydevice ==
1197	1197
1198	1198	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:
1199	1199
1200		-(((
1201	1201	**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1202		-)))
1203	1203
1204		-(((
1205	1205	**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:
1206		-)))
1207	1207
1208	1208	[[image:1653356737703-362.png||height="232" width="732"]]
1209	1209
1210	1210	[[image:image-20220524094641-11.png||height="390" width="723"]]
1211	1211
	1043	+
1212	1212	[[image:image-20220524094641-12.png||height="402" width="718"]]
1213	1213
1214		-**Step 3**: Create an account or log in Mydevices.
	1046	+**Step **3: Create an account or log in Mydevices.
1215	1215
1216	1216	**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1217	1217
...	...	@@ -1221,6 +1221,7 @@
1221	1221
1222	1222	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1223	1223
	1056	+
1224	1224	[[image:image-20220524094909-1.png||height="335" width="729"]]
1225	1225
1226	1226	[[image:image-20220524094909-2.png||height="337" width="729"]]
...	...	@@ -1231,6 +1231,10 @@
1231	1231
1232	1232	[[image:image-20220524094909-5.png||height="341" width="734"]]
1233	1233
	1067	+
	1068	+
	1069	+
	1070	+
1234	1234	== 3.6 Interface Detail ==
1235	1235
1236	1236	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1246,10 +1246,8 @@
1246	1246	)))
1247	1247
1248	1248	(((
1249		-(((
1250	1250	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
1251	1251	)))
1252		-)))
1253	1253
1254	1254	[[image:1653357170703-587.png]]
1255	1255
...	...	@@ -1267,7 +1267,7 @@
1267	1267
1268	1268	So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1269	1269
1270		-[[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.**
	1105	+ //IF// = DI1+ / 1K.
1271	1271
1272	1272	If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1273	1273
...	...	@@ -1281,9 +1281,9 @@
1281	1281
1282	1282	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1283	1283
1284		-[[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.**
	1119	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1285	1285
1286		-If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
	1121	+If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.
1287	1287
1288	1288
1289	1289	**Example3**: Connect to a 220v high active sensor.
...	...	@@ -1295,7 +1295,7 @@
1295	1295
1296	1296	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1297	1297
1298		- [[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.**
	1133	+ [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1299	1299
1300	1300	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.
1301	1301
...	...	@@ -1354,15 +1354,11 @@
1354	1354
1355	1355	[[image:1653358238933-385.png]]
1356	1356
1357		-(((
1358	1358	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:
1359		-)))
1360	1360
1361	1361	[[image:1653358355238-883.png]]
1362	1362
1363		-(((
1364	1364	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/]]
1365		-)))
1366	1366
1367	1367	(((
1368	1368	AT+<CMD>?        : Help on <CMD>
...	...	@@ -1662,135 +1662,160 @@
1662	1662
1663	1663	)))
1664	1664
1665		-=== 4.2.3 Change to Class A ===
1666	1666
	1497	+4.2.3 Change to Class A
1667	1667	If sensor JOINED
1668	1668	(% style="background-color:#dcdcdc" %)AT+CLASS=A
1669	1669	ATZ
1670	1670
1671		-= 5. FAQ =
1672		-
1673		-== 5.1 How to upgrade the image? ==
1674		-
	1502	+5. FAQ
	1503	+5.1 How to upgrade the image?
1675	1675	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1676	1676
	1506	+
1677	1677	* Support new features
1678	1678	* For bug fix
1679	1679	* Change LoRaWAN bands.
1680	1680	Below shows the hardware connection for how to upload an image to the LT:
1681		-* [[image:1653359603330-121.png]]
1682	1682
1683		-(((
1684	1684	**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]].
1685	1685	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1686	1686	**Step3: **Open flashloader; choose the correct COM port to update.
1687	1687	**For LT-22222-L**:
1688	1688	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.
1689		-)))
1690	1690
1691		- [[image:image-20220524103407-12.png]]
	1518	+[[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]]
1692	1692
1693		-[[image:image-20220524103429-13.png]]
	1520	+(% 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:
1694	1694
1695		-[[image:image-20220524104033-15.png]]
1696	1696
1697		-(% 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:
	1523	+1. (((
	1524	+(((
	1525	+
	1526	+)))
1698	1698
1699		-[[image:1653360054704-518.png||height="186" width="745"]]
	1528	+1. (((
	1529	+How to change the LoRa Frequency Bands/Region?
	1530	+)))
	1531	+)))
1700	1700
1701	1701	(((
	1534	+User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1535	+)))
	1536	+
1702	1702	(((
1703		-== 5.2 How to change the LoRa Frequency Bands/Region? ==
	1538	+
1704	1704	)))
	1540	+
	1541	+1.
	1542	+11. (((
	1543	+How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1705	1705	)))
1706	1706
1707	1707	(((
1708		-User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1547	+In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1709	1709	)))
1710	1710
1711	1711	(((
1712		-== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	1551	+Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1713	1713	)))
1714	1714
1715	1715	(((
	1555	+
	1556	+)))
	1557	+
1716	1716	(((
1717		-In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	1559	+**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.
1718	1718	)))
	1561	+
	1562	+(((
	1563	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1719	1719	)))
1720	1720
1721	1721	(((
	1567	+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.
	1568	+)))
	1569	+
1722	1722	(((
1723		-Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	1571	+
1724	1724	)))
	1573	+
	1574	+(((
	1575	+**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1725	1725	)))
1726	1726
1727	1727	(((
1728		-(% 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.
	1579	+123456   Enter Password to have AT access.
1729	1729	)))
1730	1730
1731	1731	(((
1732		-[[image:1653360231087-571.png||height="401" width="727"]]
	1583	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1733	1733	)))
1734	1734
1735	1735	(((
1736		-(% 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.
	1587	+123456   Enter Password to have AT access.
1737	1737	)))
1738	1738
1739	1739	(((
1740		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	1591	+AT+NJM=0 Set to ABP mode
1741	1741	)))
1742	1742
1743	1743	(((
1744		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1745		-(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1746		-(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1747		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1748		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1749		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1750		-(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1751		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1752		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1753		-(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
	1595	+AT+ADR=0 Set the Adaptive Data Rate Off
1754	1754	)))
1755	1755
1756	1756	(((
1757		-As shown in below:
	1599	+AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1758	1758	)))
1759	1759
1760		-[[image:1653360498588-932.png||height="485" width="726"]]
	1602	+(((
	1603	+AT+TDC=60000  Set transmit interval to 60 seconds
	1604	+)))
1761	1761
1762		-== 5.4 Can I see counting event in Serial? ==
	1606	+(((
	1607	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1608	+)))
1763	1763
1764	1764	(((
1765		-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.
	1611	+AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1766	1766	)))
1767	1767
1768	1768	(((
1769		-= 6. Trouble Shooting =
	1615	+ATZ                Reset MCU
1770	1770	)))
1771	1771
1772	1772	(((
	1619	+As shown in below:
	1620	+)))
	1621	+
1773	1773	(((
1774		-== 6.1 Downlink doesn’t work, how to solve it? ==
	1623	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1775	1775	)))
1776		-)))
1777	1777
1778	1778	(((
1779		-Please see this link for how to debug:
	1627	+
	1628	+)))
1780	1780
1781		-[[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]]
1782		-
	1630	+(((
1783	1783
1784	1784	)))
1785	1785
	1634	+1. (((
1786	1786	(((
1787		-== 6.2 Have trouble to upload image. ==
	1636	+
1788	1788	)))
1789	1789
	1639	+1. (((
	1640	+Can I see counting event in Serial?
	1641	+)))
	1642	+)))
	1643	+
1790	1790	(((
1791		-See this link for trouble shooting:
	1645	+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.
	1646	+)))
1792	1792
1793		-[[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/]]
	1648	+(((
	1649	+
1794	1794	)))
1795	1795
1796	1796	(((
...	...	@@ -1798,150 +1798,162 @@
1798	1798	)))
1799	1799
1800	1800	(((
1801		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	1657	+
1802	1802	)))
1803	1803
	1660	+1. (((
1804	1804	(((
1805		-It might be about the channels mapping. Please see this link for detail:
	1662	+Trouble Shooting
	1663	+)))
1806	1806
1807		-[[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]]
	1665	+1. (((
	1666	+Downlink doesn’t work, how to solve it?
1808	1808	)))
	1668	+)))
1809	1809
1810	1810	(((
1811		-
	1671	+Please see this link for how to debug:
1812	1812	)))
1813	1813
1814	1814	(((
1815		-= 7. Order Info =
	1675	+[[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]]
1816	1816	)))
1817	1817
1818	1818	(((
1819		-(((
1820		-(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
	1679	+
1821	1821	)))
	1681	+
	1682	+1.
	1683	+11. (((
	1684	+Have trouble to upload image.
1822	1822	)))
1823	1823
1824	1824	(((
	1688	+See this link for trouble shooting:
	1689	+)))
	1690	+
1825	1825	(((
1826		-(% style="color:#4f81bd" %)**XXX:**
	1692	+[[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]]
1827	1827	)))
1828		-)))
1829	1829
1830	1830	(((
1831		-* (((
1832		-(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
	1696	+
1833	1833	)))
	1698	+
	1699	+1.
	1700	+11. (((
	1701	+Why I can’t join TTN in US915 /AU915 bands?
1834	1834	)))
1835	1835
1836	1836	(((
1837		-* (((
1838		-(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
	1705	+It might be about the channels mapping. Please see this link for detail:
1839	1839	)))
	1707	+
	1708	+(((
	1709	+[[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]]
1840	1840	)))
1841	1841
1842	1842	(((
1843		-* (((
1844		-(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
	1713	+
1845	1845	)))
	1715	+
	1716	+(((
	1717	+
1846	1846	)))
1847	1847
1848	1848	(((
1849		-* (((
1850		-(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
	1721	+
1851	1851	)))
	1723	+
	1724	+1. (((
	1725	+Order Info
1852	1852	)))
1853	1853
1854	1854	(((
1855		-* (((
1856		-(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
	1729	+**For LT-33222-L-XXX or LT-22222-L-XXX:**
1857	1857	)))
1858		-)))
1859	1859
1860	1860	(((
	1733	+**XXX:**
	1734	+)))
	1735	+
1861	1861	* (((
1862		-(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
	1737	+**EU433**: LT with frequency bands EU433
1863	1863	)))
	1739	+* (((
	1740	+**EU868**: LT with frequency bands EU868
1864	1864	)))
1865		-
1866		-(((
1867	1867	* (((
1868		-(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
	1743	+**KR920**: LT with frequency bands KR920
1869	1869	)))
	1745	+* (((
	1746	+**CN470**: LT with frequency bands CN470
1870	1870	)))
1871		-
1872		-(((
1873	1873	* (((
1874		-(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
	1749	+**AS923**: LT with frequency bands AS923
1875	1875	)))
	1751	+* (((
	1752	+**AU915**: LT with frequency bands AU915
1876	1876	)))
1877		-
1878		-(((
1879	1879	* (((
1880		-(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	1755	+**US915**: LT with frequency bands US915
1881	1881	)))
	1757	+* (((
	1758	+**IN865**: LT with frequency bands IN865
	1759	+)))
	1760	+* (((
	1761	+**CN779**: LT with frequency bands CN779
	1762	+)))
1882	1882
1883		-= 8. Packing Info =
	1764	+1. (((
	1765	+Packing Info
1884	1884	)))
1885	1885
1886	1886	(((
1887		-(((
1888	1888	**Package Includes**:
1889	1889	)))
1890		-)))
1891	1891
1892		-(((
1893		-(((
1894		-* LT-22222-L I/O Controller x 1
1895		-* Stick Antenna for LoRa RF part x 1
1896		-* Bracket for controller x1
1897		-* Program cable x 1
	1772	+* (((
	1773	+LT I/O Controller x 1
1898	1898	)))
	1775	+* (((
	1776	+Stick Antenna for LoRa RF part x 1
1899	1899	)))
	1778	+* (((
	1779	+Bracket for controller x1
	1780	+)))
	1781	+* (((
	1782	+Program cable x 1
	1783	+)))
1900	1900
1901	1901	(((
1902		-(((
1903	1903	**Dimension and weight**:
1904	1904	)))
1905		-)))
1906	1906
1907		-(((
1908		-(((
1909		-* Device Size: 13.5 x 7 x 3 cm
1910		-* Device Weight: 105g
1911		-* Package Size / pcs : 14.5 x 8 x 5 cm
1912		-* Weight / pcs : 170g
	1789	+* (((
	1790	+Device Size: 13.5 x 7 x 3 cm
1913	1913	)))
	1792	+* (((
	1793	+Device Weight: 105g
1914	1914	)))
	1795	+* (((
	1796	+Package Size / pcs : 14.5 x 8 x 5 cm
	1797	+)))
	1798	+* (((
	1799	+Weight / pcs : 170g
	1800	+)))
1915	1915
1916		-(((
1917		-= 9. Support =
	1802	+1. (((
	1803	+Support
1918	1918	)))
1919	1919
1920	1920	* (((
1921		-(((
1922	1922	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.
1923	1923	)))
1924		-)))
1925	1925	* (((
1926		-(((
1927	1927	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
1928	1928	)))
1929		-)))
1930	1930
1931	1931	(((
1932		-(((
1933		- [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1814	+[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1934	1934	)))
1935		-
1936		-(((
1937		-= 10. Reference​​​​​ =
1938		-
1939		-* Product Page:
1940		-
1941		-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]]
1942		-
1943		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1944		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1945		-* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1946		-)))
1947		-)))

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