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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 134.1
edited by Edwin Chen
on 2024/05/08 22:32
Change comment: There is no comment for this version
To version 117.1
edited by Bei Jinggeng
on 2023/04/26 16:20
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L LoRa IO Controller User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Bei
Content
... ... @@ -3,10 +3,6 @@
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -30,7 +30,7 @@
30 30  )))
31 31  
32 32  (((
33 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
29 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
34 34  )))
35 35  
36 36  (((
... ... @@ -57,73 +57,164 @@
57 57  
58 58  )))
59 59  
60 -== 1.2 Specifications ==
56 +== 1.2  Specifications ==
61 61  
58 +(((
59 +
60 +
62 62  (% style="color:#037691" %)**Hardware System:**
62 +)))
63 63  
64 -* STM32L072xxxx MCU
65 -* SX1276/78 Wireless Chip 
66 -* Power Consumption:
67 -** Idle: 4mA@12v
68 -** 20dB Transmit: 34mA@12v
69 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
64 +* (((
65 +STM32L072xxxx MCU
66 +)))
67 +* (((
68 +SX1276/78 Wireless Chip 
69 +)))
70 +* (((
71 +(((
72 +Power Consumption:
73 +)))
70 70  
75 +* (((
76 +Idle: 4mA@12v
77 +)))
78 +* (((
79 +20dB Transmit: 34mA@12v
80 +)))
81 +)))
71 71  
83 +(((
84 +
85 +
72 72  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 +)))
73 73  
74 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
75 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
76 -* 2 x Relay Output (5A@250VAC / 30VDC)
77 -* 2 x 0~~20mA Analog Input (res:0.01mA)
78 -* 2 x 0~~30V Analog Input (res:0.01v)
79 -* Power Input 7~~ 24V DC. 
89 +* (((
90 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 +)))
92 +* (((
93 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 +)))
95 +* (((
96 +2 x Relay Output (5A@250VAC / 30VDC)
97 +)))
98 +* (((
99 +2 x 0~~20mA Analog Input (res:0.01mA)
100 +)))
101 +* (((
102 +2 x 0~~30V Analog Input (res:0.01v)
103 +)))
104 +* (((
105 +Power Input 7~~ 24V DC. 
106 +)))
80 80  
108 +(((
109 +
81 81  
82 82  (% style="color:#037691" %)**LoRa Spec:**
112 +)))
83 83  
84 -* Frequency Range:
85 -** Band 1 (HF): 862 ~~ 1020 Mhz
86 -** Band 2 (LF): 410 ~~ 528 Mhz
87 -* 168 dB maximum link budget.
88 -* +20 dBm - 100 mW constant RF output vs.
89 -* +14 dBm high efficiency PA.
90 -* Programmable bit rate up to 300 kbps.
91 -* High sensitivity: down to -148 dBm.
92 -* Bullet-proof front end: IIP3 = -12.5 dBm.
93 -* Excellent blocking immunity.
94 -* Low RX current of 10.3 mA, 200 nA register retention.
95 -* Fully integrated synthesizer with a resolution of 61 Hz.
96 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
97 -* Built-in bit synchronizer for clock recovery.
98 -* Preamble detection.
99 -* 127 dB Dynamic Range RSSI.
100 -* Automatic RF Sense and CAD with ultra-fast AFC.
101 -* Packet engine up to 256 bytes with CRC.
114 +* (((
115 +(((
116 +Frequency Range:
117 +)))
102 102  
119 +* (((
120 +Band 1 (HF): 862 ~~ 1020 Mhz
121 +)))
122 +* (((
123 +Band 2 (LF): 410 ~~ 528 Mhz
124 +)))
125 +)))
126 +* (((
127 +168 dB maximum link budget.
128 +)))
129 +* (((
130 ++20 dBm - 100 mW constant RF output vs.
131 +)))
132 +* (((
133 ++14 dBm high efficiency PA.
134 +)))
135 +* (((
136 +Programmable bit rate up to 300 kbps.
137 +)))
138 +* (((
139 +High sensitivity: down to -148 dBm.
140 +)))
141 +* (((
142 +Bullet-proof front end: IIP3 = -12.5 dBm.
143 +)))
144 +* (((
145 +Excellent blocking immunity.
146 +)))
147 +* (((
148 +Low RX current of 10.3 mA, 200 nA register retention.
149 +)))
150 +* (((
151 +Fully integrated synthesizer with a resolution of 61 Hz.
152 +)))
153 +* (((
154 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 +)))
156 +* (((
157 +Built-in bit synchronizer for clock recovery.
158 +)))
159 +* (((
160 +Preamble detection.
161 +)))
162 +* (((
163 +127 dB Dynamic Range RSSI.
164 +)))
165 +* (((
166 +Automatic RF Sense and CAD with ultra-fast AFC.
167 +)))
168 +* (((
169 +Packet engine up to 256 bytes with CRC.
170 +
171 +
172 +
173 +)))
174 +
103 103  == 1.3 Features ==
104 104  
177 +
105 105  * LoRaWAN Class A & Class C protocol
179 +
106 106  * Optional Customized LoRa Protocol
181 +
107 107  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
108 108  * AT Commands to change parameters
185 +
109 109  * Remote configure parameters via LoRa Downlink
187 +
110 110  * Firmware upgradable via program port
189 +
111 111  * Counting
112 112  
113 -== 1.4 Applications ==
114 114  
193 +== 1.4  Applications ==
194 +
195 +
115 115  * Smart Buildings & Home Automation
197 +
116 116  * Logistics and Supply Chain Management
199 +
117 117  * Smart Metering
201 +
118 118  * Smart Agriculture
203 +
119 119  * Smart Cities
205 +
120 120  * Smart Factory
121 121  
208 +
122 122  == 1.5 Hardware Variants ==
123 123  
124 124  
125 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
126 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
212 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
213 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
127 127  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
128 128  (% style="text-align:center" %)
129 129  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -136,12 +136,20 @@
136 136  * 1 x Counting Port
137 137  )))
138 138  
226 +
139 139  = 2. Power ON Device =
140 140  
229 +
230 +(((
141 141  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.
232 +)))
142 142  
234 +(((
143 143  PWR will on when device is properly powered.
144 144  
237 +
238 +)))
239 +
145 145  [[image:1653297104069-180.png]]
146 146  
147 147  
... ... @@ -185,7 +185,7 @@
185 185  Each LT is shipped with a sticker with the default device EUI as below:
186 186  )))
187 187  
188 -[[image:image-20230425173427-2.png||height="246" width="530"]]
283 +[[image:image-20230425173427-2.png]]
189 189  
190 190  
191 191  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -200,6 +200,7 @@
200 200  [[image:1653298023685-319.png]]
201 201  
202 202  
298 +
203 203  (((
204 204  (% style="color:blue" %)**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.
205 205  
... ... @@ -215,15 +215,10 @@
215 215  There are five working modes + one interrupt mode on LT for different type application:
216 216  
217 217  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
218 -
219 219  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
220 -
221 221  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
222 -
223 223  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
224 -
225 225  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
226 -
227 227  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
228 228  
229 229  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
... ... @@ -230,32 +230,20 @@
230 230  
231 231  
232 232  (((
233 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
234 -
235 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
236 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
237 -|Value|(((
238 -AVI1 voltage
239 -)))|(((
240 -AVI2 voltage
241 -)))|(((
242 -ACI1 Current
243 -)))|(((
244 -ACI2 Current
245 -)))|DIDORO*|(((
246 -Reserve
247 -)))|MOD
324 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
248 248  )))
249 249  
327 +[[image:image-20220523174024-3.png]]
328 +
250 250  (((
251 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
330 +
252 252  
253 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
254 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
255 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
332 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
256 256  )))
257 257  
258 -* RO is for relay. ROx=1 : close, ROx=0 always open.
335 +[[image:image-20220523174254-4.png]]
336 +
337 +* RO is for relay. ROx=1 : close，ROx=0 always open.
259 259  * DI is for digital input. DIx=1: high or float, DIx=0: low.
260 260  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
261 261  
... ... @@ -266,7 +266,7 @@
266 266  
267 267  **The value for the interface is:  **
268 268  
269 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
348 +AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
270 270  
271 271  AVI2 channel voltage is 0x04AC/1000=1.196V
272 272  
... ... @@ -303,55 +303,56 @@
303 303  
304 304  (((
305 305  Total : 11 bytes payload
306 -
307 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
308 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
309 -|Value|COUNT1|COUNT2 |DIDORO*|(((
310 -Reserve
311 -)))|MOD
312 312  )))
313 313  
314 -(((
315 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
387 +[[image:image-20220523180452-3.png]]
316 316  
317 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
318 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
319 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
320 320  
321 -RO is for relay. ROx=1 : close , ROx=0 always open.
390 +(((
391 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
322 322  )))
323 323  
394 +[[image:image-20220523180506-4.png]]
395 +
396 +* RO is for relay. ROx=1 : close，ROx=0 always open.
324 324  * FIRST: Indicate this is the first packet after join network.
325 325  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
326 326  
327 327  (((
328 328  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
329 -
330 -
331 331  )))
332 332  
333 333  (((
405 +
406 +
334 334  **To use counting mode, please run:**
335 335  )))
336 336  
337 -(((
338 338  (% class="box infomessage" %)
339 339  (((
412 +(((
413 +(((
340 340  **AT+MOD=2**
415 +)))
341 341  
417 +(((
342 342  **ATZ**
343 343  )))
344 344  )))
421 +)))
345 345  
346 346  (((
347 347  
348 348  
349 349  (% style="color:#4f81bd" %)**AT Commands for counting:**
427 +
428 +
350 350  )))
351 351  
352 352  (((
353 353  **For LT22222-L:**
354 354  
434 +
355 355  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
356 356  
357 357  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -371,23 +371,17 @@
371 371  
372 372  **LT22222-L**: This mode the DI1 is used as a counting pin.
373 373  
374 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
375 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
376 -|Value|COUNT1|(((
377 -ACI1 Current
378 -)))|(((
379 -ACI2 Current
380 -)))|DIDORO*|Reserve|MOD
454 +[[image:image-20220523181246-5.png]]
381 381  
382 382  (((
383 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
457 +
384 384  
385 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
386 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
387 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
459 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
388 388  )))
389 389  
390 -* RO is for relay. ROx=1 : close, ROx=0 always open.
462 +[[image:image-20220523181301-6.png]]
463 +
464 +* RO is for relay. ROx=1 : close，ROx=0 always open.
391 391  * FIRST: Indicate this is the first packet after join network.
392 392  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
393 393  
... ... @@ -400,14 +400,18 @@
400 400  **To use counting mode, please run:**
401 401  )))
402 402  
403 -(((
404 404  (% class="box infomessage" %)
405 405  (((
479 +(((
480 +(((
406 406  **AT+MOD=3**
482 +)))
407 407  
484 +(((
408 408  **ATZ**
409 409  )))
410 410  )))
488 +)))
411 411  
412 412  (((
413 413  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -423,52 +423,55 @@
423 423  
424 424  (((
425 425  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
426 -
427 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
428 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
429 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
430 -Reserve
431 -)))|MOD
432 432  )))
433 433  
506 +[[image:image-20220523181903-8.png]]
507 +
508 +
434 434  (((
435 435  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
436 -
437 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
438 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
439 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
440 440  )))
441 441  
442 -* RO is for relay. ROx=1 : close, ROx=0 always open.
513 +[[image:image-20220523181727-7.png]]
514 +
515 +* RO is for relay. ROx=1 : close，ROx=0 always open.
443 443  * FIRST: Indicate this is the first packet after join network.
444 444  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
445 445  
446 446  (((
447 447  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
448 -
449 -
450 450  )))
451 451  
452 452  (((
524 +
525 +
453 453  **To use this mode, please run:**
454 454  )))
455 455  
456 -(((
457 457  (% class="box infomessage" %)
458 458  (((
531 +(((
532 +(((
459 459  **AT+MOD=4**
534 +)))
460 460  
536 +(((
461 461  **ATZ**
462 462  )))
463 463  )))
540 +)))
464 464  
542 +
465 465  (((
466 466  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
467 467  )))
468 468  
469 469  (((
548 +
549 +
470 470  **Plus below command for AVI1 Counting:**
471 471  
552 +
472 472  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
473 473  
474 474  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -484,27 +484,15 @@
484 484  
485 485  **LT22222-L**: This mode the DI1 is used as a counting pin.
486 486  
487 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
488 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
489 -|Value|(((
490 -AVI1 voltage
491 -)))|(((
492 -AVI2 voltage
493 -)))|(((
494 -ACI1 Current
495 -)))|COUNT1|DIDORO*|(((
496 -Reserve
497 -)))|MOD
568 +[[image:image-20220523182334-9.png]]
498 498  
499 499  (((
500 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
571 +
501 501  
502 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
503 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
504 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
573 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
505 505  )))
506 506  
507 -* RO is for relay. ROx=1 : close, ROx=0 always open.
576 +* RO is for relay. ROx=1 : close，ROx=0 always open.
508 508  * FIRST: Indicate this is the first packet after join network.
509 509  * (((
510 510  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -515,17 +515,23 @@
515 515  )))
516 516  
517 517  (((
587 +
588 +
518 518  **To use this mode, please run:**
519 519  )))
520 520  
521 -(((
522 522  (% class="box infomessage" %)
523 523  (((
594 +(((
595 +(((
524 524  **AT+MOD=5**
597 +)))
525 525  
599 +(((
526 526  **ATZ**
527 527  )))
528 528  )))
603 +)))
529 529  
530 530  (((
531 531  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -620,39 +620,12 @@
620 620  
621 621  MOD6 Payload : total 11 bytes payload
622 622  
623 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
624 -|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
625 -|Value|(((
626 -TRI_A FLAG
627 -)))|(((
628 -TRI_A Status
629 -)))|(((
630 -TRI_DI FLAG+STA
631 -)))|Reserve|Enable/Disable MOD6|(((
632 -MOD(6)
633 -)))
698 +[[image:image-20220524085923-1.png]]
634 634  
700 +
635 635  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
636 636  
637 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
638 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
639 -|(((
640 -AV1_LOW
641 -)))|(((
642 -AV1_HIGH
643 -)))|(((
644 -AV2_LOW
645 -)))|(((
646 -AV2_HIGH
647 -)))|(((
648 -AC1_LOW
649 -)))|(((
650 -AC1_HIGH
651 -)))|(((
652 -AC2_LOW
653 -)))|(((
654 -AC2_HIGH
655 -)))
703 +[[image:image-20220524090106-2.png]]
656 656  
657 657  * Each bits shows if the corresponding trigger has been configured.
658 658  
... ... @@ -661,27 +661,10 @@
661 661  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
662 662  
663 663  
712 +
664 664  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
665 665  
666 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
667 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
668 -|(((
669 -AV1_LOW
670 -)))|(((
671 -AV1_HIGH
672 -)))|(((
673 -AV2_LOW
674 -)))|(((
675 -AV2_HIGH
676 -)))|(((
677 -AC1_LOW
678 -)))|(((
679 -AC1_HIGH
680 -)))|(((
681 -AC2_LOW
682 -)))|(((
683 -AC2_HIGH
684 -)))
715 +[[image:image-20220524090249-3.png]]
685 685  
686 686  * Each bits shows which status has been trigger on this uplink.
687 687  
... ... @@ -692,9 +692,7 @@
692 692  
693 693  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
694 694  
695 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
696 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
697 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
726 +[[image:image-20220524090456-4.png]]
698 698  
699 699  * Each bits shows which status has been trigger on this uplink.
700 700  
... ... @@ -774,10 +774,14 @@
774 774  
775 775  Set work mode.
776 776  
777 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
806 +* (% style="color:#037691" %)**AT Command:**
778 778  
808 +(% style="color:blue" %)**AT+MOD=N  **
809 +
810 +
779 779  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
780 780  
813 +
781 781  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
782 782  
783 783  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -787,12 +787,16 @@
787 787  ==== 3.4.2.3 Poll an uplink ====
788 788  
789 789  
790 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
823 +* (% style="color:#037691" %)**AT Command:**
791 791  
825 +There is no AT Command to poll uplink
826 +
827 +
792 792  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
793 793  
794 794  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
795 795  
832 +
796 796  **Example**: 0x08FF, ask device to send an Uplink
797 797  
798 798  
... ... @@ -802,8 +802,10 @@
802 802  
803 803  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
804 804  
805 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
842 +* (% style="color:#037691" %)**AT Command:**
806 806  
844 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
845 +
807 807  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
808 808  
809 809  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -818,12 +818,13 @@
818 818  ==== 3.4.2.5 Poll trigger settings ====
819 819  
820 820  
821 -Poll trigger settings
860 +Poll trigger settings,
822 822  
823 823  * (% style="color:#037691" %)**AT Command:**
824 824  
825 825  There is no AT Command for this feature.
826 826  
866 +
827 827  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
828 828  
829 829  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -835,11 +835,15 @@
835 835  
836 836  Enable Disable DI1/DI2/DI2 as trigger,
837 837  
838 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
878 +* (% style="color:#037691" %)**AT Command:**
839 839  
840 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
880 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
841 841  
842 842  
883 +**Example:**
884 +
885 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
886 +
843 843  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
844 844  
845 845  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -851,15 +851,20 @@
851 851  
852 852  Set DI1 or DI3(for LT-33222-L) trigger.
853 853  
854 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
898 +* (% style="color:#037691" %)**AT Command:**
855 855  
900 +(% style="color:blue" %)**AT+TRIG1=a,b**
901 +
856 856  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
857 857  
858 858  (% style="color:red" %)**b :** (%%)delay timing.
859 859  
860 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
861 861  
907 +**Example:**
862 862  
909 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
910 +
911 +
863 863  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
864 864  
865 865  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -871,15 +871,20 @@
871 871  
872 872  Set DI2 trigger.
873 873  
874 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
923 +* (% style="color:#037691" %)**AT Command:**
875 875  
925 +(% style="color:blue" %)**AT+TRIG2=a,b**
926 +
876 876  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
877 877  
878 878  (% style="color:red" %)**b :** (%%)delay timing.
879 879  
880 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
881 881  
932 +**Example:**
882 882  
934 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
935 +
936 +
883 883  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
884 884  
885 885  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -891,8 +891,11 @@
891 891  
892 892  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
893 893  
894 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
948 +* (% style="color:#037691" %)**AT Command**
895 895  
950 +(% style="color:blue" %)**AT+ACLIM**
951 +
952 +
896 896  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
897 897  
898 898  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -904,8 +904,11 @@
904 904  
905 905  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
906 906  
907 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
964 +* (% style="color:#037691" %)**AT Command**
908 908  
966 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
967 +
968 +
909 909  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
910 910  
911 911  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -917,13 +917,18 @@
917 917  
918 918  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
919 919  
920 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
980 +* (% style="color:#037691" %)**AT Command**
921 921  
982 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
983 +
984 +
922 922  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
923 923  
924 924  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
925 925  
926 926  (((
990 +
991 +
927 927  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
928 928  )))
929 929  
... ... @@ -938,9 +938,8 @@
938 938  
939 939  
940 940  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1006 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
941 941  
942 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
943 -
944 944  (((
945 945  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
946 946  )))
... ... @@ -947,14 +947,10 @@
947 947  
948 948  (((
949 949  01: Low,  00: High ,  11: No action
950 -
951 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
952 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
953 -|02  01  00  11|Low|High|No Action
954 -|02  00  11  01|High|No Action|Low
955 -|02  11  01  00|No Action|Low|High
956 956  )))
957 957  
1016 +[[image:image-20220524092754-5.png]]
1017 +
958 958  (((
959 959  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
960 960  )))
... ... @@ -991,31 +991,24 @@
991 991  
992 992  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
993 993  
994 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
995 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
996 -|0x01|DO1 set to low
997 -|0x00|DO1 set to high
998 -|0x11|DO1 NO Action
1054 +[[image:image-20220524093238-6.png]]
999 999  
1056 +
1000 1000  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1001 1001  
1002 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1003 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1004 -|0x01|DO2 set to low
1005 -|0x00|DO2 set to high
1006 -|0x11|DO2 NO Action
1059 +[[image:image-20220524093328-7.png]]
1007 1007  
1061 +
1008 1008  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1009 1009  
1010 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1011 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1012 -|0x01|DO3 set to low
1013 -|0x00|DO3 set to high
1014 -|0x11|DO3 NO Action
1064 +[[image:image-20220524093351-8.png]]
1015 1015  
1016 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1017 1017  
1067 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1018 1018  
1069 + Latching time. Unit: ms
1070 +
1071 +
1019 1019  (% style="color:red" %)**Note: **
1020 1020  
1021 1021   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1022,6 +1022,7 @@
1022 1022  
1023 1023   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1024 1024  
1078 +
1025 1025  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1026 1026  
1027 1027  
... ... @@ -1045,7 +1045,7 @@
1045 1045  
1046 1046  
1047 1047  
1048 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1102 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1049 1049  
1050 1050  
1051 1051  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1063,18 +1063,11 @@
1063 1063  )))
1064 1064  
1065 1065  (((
1066 -00: Close ,  01: Open , 11: No action
1120 +01: Close ,  00: Open , 11: No action
1121 +)))
1067 1067  
1068 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1069 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1070 -|03  00  11|Open|No Action
1071 -|03  01  11|Close|No Action
1072 -|03  11  00|No Action|Open
1073 -|03  11  01|No Action|Close
1074 -|03  00  00|Open|Open
1075 -|03  01  01|Close|Close
1076 -|03  01  00|Close|Open
1077 -|03  00  01|Open|Close
1123 +(((
1124 +[[image:image-20230426161322-1.png]]
1078 1078  )))
1079 1079  
1080 1080  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1148,8 +1148,11 @@
1148 1148  
1149 1149  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1150 1150  
1151 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1198 +* (% style="color:#037691" %)**AT Command:**
1152 1152  
1200 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1201 +
1202 +
1153 1153  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1154 1154  
1155 1155  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1159,8 +1159,10 @@
1159 1159  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1160 1160  
1161 1161  
1162 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1212 +* (% style="color:#037691" %)**AT Command:**
1163 1163  
1214 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1215 +
1164 1164  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1165 1165  
1166 1166  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1177,8 +1177,11 @@
1177 1177  
1178 1178  Clear counting for counting mode
1179 1179  
1180 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1232 +* (% style="color:#037691" %)**AT Command:**
1181 1181  
1234 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1235 +
1236 +
1182 1182  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1183 1183  
1184 1184  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1330,7 +1330,7 @@
1330 1330  
1331 1331  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1332 1332  
1333 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1388 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1334 1334  
1335 1335  Search under The things network
1336 1336  
... ... @@ -1337,6 +1337,7 @@
1337 1337  [[image:1653356838789-523.png||height="337" width="740"]]
1338 1338  
1339 1339  
1395 +
1340 1340  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1341 1341  
1342 1342  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1368,12 +1368,12 @@
1368 1368  
1369 1369  
1370 1370  (((
1371 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1427 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1372 1372  )))
1373 1373  
1374 1374  (((
1375 1375  (((
1376 -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). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1432 +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.
1377 1377  
1378 1378  
1379 1379  )))
... ... @@ -1481,19 +1481,6 @@
1481 1481  )))
1482 1482  
1483 1483  
1484 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1485 -
1486 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1487 -
1488 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1489 -
1490 -[[image:image-20230616235145-1.png]]
1491 -
1492 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1493 -
1494 -[[image:image-20240219115718-1.png]]
1495 -
1496 -
1497 1497  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1498 1498  
1499 1499  
... ... @@ -1527,6 +1527,7 @@
1527 1527  
1528 1528  **Black:  GND**
1529 1529  
1573 +
1530 1530  **Connection diagram:**
1531 1531  
1532 1532  [[image:1653357640609-758.png]]
... ... @@ -1534,22 +1534,6 @@
1534 1534  [[image:1653357648330-671.png||height="155" width="733"]]
1535 1535  
1536 1536  
1537 -Example connected to a regulated power supply to measure voltage
1538 -
1539 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1540 -
1541 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1542 -
1543 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1544 -
1545 -
1546 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1547 -
1548 -(% style="color:red" %)**Red:  12~~24v**
1549 -
1550 -**Black:  GND**
1551 -
1552 -
1553 1553  === 3.6.5 Relay Output ===
1554 1554  
1555 1555  
... ... @@ -1568,41 +1568,9 @@
1568 1568  == 3.7 LEDs Indicators ==
1569 1569  
1570 1570  
1571 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1572 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1573 -|**PWR**|Always on if there is power
1574 -|**SYS**|(((
1575 -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.
1576 -)))
1577 -|**TX**|(((
1578 -(((
1579 -Device boot: TX blinks 5 times.
1580 -)))
1599 +[[image:image-20220524100748-11.png]]
1581 1581  
1582 -(((
1583 -Successful join network: TX ON for 5 seconds.
1584 -)))
1585 1585  
1586 -(((
1587 -Transmit a LoRa packet: TX blinks once
1588 -)))
1589 -)))
1590 -|**RX**|RX blinks once when receive a packet.
1591 -|**DO1**|
1592 -|**DO2**|
1593 -|**DO3**|
1594 -|**DI2**|(((
1595 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1596 -)))
1597 -|**DI2**|(((
1598 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1599 -)))
1600 -|**DI2**|(((
1601 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1602 -)))
1603 -|**RO1**|
1604 -|**RO2**|
1605 -
1606 1606  = 4. Use AT Command =
1607 1607  
1608 1608  == 4.1 Access AT Command ==
... ... @@ -1612,6 +1612,10 @@
1612 1612  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.
1613 1613  )))
1614 1614  
1611 +(((
1612 +
1613 +)))
1614 +
1615 1615  [[image:1653358238933-385.png]]
1616 1616  
1617 1617  
... ... @@ -1930,6 +1930,8 @@
1930 1930  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1931 1931  
1932 1932  **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.**
1933 +
1934 +
1933 1933  )))
1934 1934  
1935 1935  (((
... ... @@ -1936,6 +1936,9 @@
1936 1936  [[image:1653359097980-169.png||height="188" width="729"]]
1937 1937  )))
1938 1938  
1941 +(((
1942 +
1943 +)))
1939 1939  
1940 1940  === 4.2.3 Change to Class A ===
1941 1941  
... ... @@ -1943,9 +1943,8 @@
1943 1943  (((
1944 1944  (% style="color:blue" %)**If sensor JOINED:**
1945 1945  
1946 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1947 -
1948 -(% style="background-color:#dcdcdc" %)**ATZ**
1951 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1952 +ATZ**
1949 1949  )))
1950 1950  
1951 1951  
... ... @@ -1975,7 +1975,7 @@
1975 1975  
1976 1976  (((
1977 1977  (% style="color:blue" %)**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]].
1978 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
1982 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1979 1979  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1980 1980  
1981 1981  
... ... @@ -1998,6 +1998,7 @@
1998 1998  
1999 1999  (% 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:
2000 2000  
2005 +
2001 2001  [[image:1653360054704-518.png||height="186" width="745"]]
2002 2002  
2003 2003  
... ... @@ -2061,21 +2061,13 @@
2061 2061  
2062 2062  (((
2063 2063  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2064 -
2065 2065  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2066 -
2067 2067  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2068 -
2069 2069  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2070 -
2071 2071  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2072 -
2073 2073  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2074 -
2075 2075  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2076 -
2077 2077  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2078 -
2079 2079  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2080 2080  )))
2081 2081  
... ... @@ -2087,20 +2087,14 @@
2087 2087  [[image:1653360498588-932.png||height="485" width="726"]]
2088 2088  
2089 2089  
2090 -== 6.4 How to change the uplink interval? ==
2087 +== 6.4 Can I see counting event in Serial? ==
2091 2091  
2092 2092  
2093 -Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2094 -
2095 -
2096 -== 6.5 Can I see counting event in Serial? ==
2097 -
2098 -
2099 2099  (((
2100 2100  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.
2101 2101  
2102 2102  
2103 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2094 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2104 2104  
2105 2105  
2106 2106  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
... ... @@ -2109,7 +2109,7 @@
2109 2109  )))
2110 2110  
2111 2111  (((
2112 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2103 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2113 2113  
2114 2114  
2115 2115  If the device is not shut down, but directly powered off.
... ... @@ -2121,7 +2121,7 @@
2121 2121  After restart, the status before power failure will be read from flash.
2122 2122  
2123 2123  
2124 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2115 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2125 2125  
2126 2126  
2127 2127  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2130,18 +2130,12 @@
2130 2130  [[image:image-20221006170630-1.png||height="610" width="945"]]
2131 2131  
2132 2132  
2133 -== 6.9 Can LT22222-L save RO state? ==
2124 +== 6.8 Can LT22222-L save RO state? ==
2134 2134  
2135 2135  
2136 2136  Firmware version needs to be no less than 1.6.0.
2137 2137  
2138 2138  
2139 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2140 -
2141 -
2142 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2143 -
2144 -
2145 2145  = 7. Trouble Shooting =
2146 2146  )))
2147 2147  
... ... @@ -2182,13 +2182,6 @@
2182 2182  )))
2183 2183  
2184 2184  
2185 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2186 -
2187 -
2188 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2189 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2190 -
2191 -
2192 2192  = 8. Order Info =
2193 2193  
2194 2194  
... ... @@ -2206,6 +2206,7 @@
2206 2206  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2207 2207  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2208 2208  
2187 +
2209 2209  = 9. Packing Info =
2210 2210  
2211 2211  
... ... @@ -2223,6 +2223,7 @@
2223 2223  * Package Size / pcs : 14.5 x 8 x 5 cm
2224 2224  * Weight / pcs : 170g
2225 2225  
2205 +
2226 2226  = 10. Support =
2227 2227  
2228 2228  
... ... @@ -2230,7 +2230,7 @@
2230 2230  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.
2231 2231  )))
2232 2232  * (((
2233 -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 [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2213 +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 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2234 2234  
2235 2235  
2236 2236  
... ... @@ -2242,3 +2242,4 @@
2242 2242  * 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]]
2243 2243  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2244 2244  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2225 +
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