Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
From version 135.1
edited by Mengting Qiu
on 2024/09/02 17:56
on 2024/09/02 17:56
Change comment:
There is no comment for this version
Summary
-
Page properties (3 modified, 0 added, 0 removed)
-
Attachments (0 modified, 0 added, 1 removed)
Details
- Page properties
-
- Title
-
... ... @@ -1,1 +1,1 @@ 1 -LT-22222-L --LoRa IO Controller User Manual1 +LT-22222-L LoRa IO Controller User Manual - Author
-
... ... @@ -1,1 +1,1 @@ 1 -XWiki. ting1 +XWiki.Xiaoling - 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/}} ... ... @@ -57,71 +57,163 @@ 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 +))) 82 + 83 +((( 84 + 85 + 71 71 (% style="color:#037691" %)**Interface for Model: LT22222-L:** 87 +))) 72 72 73 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 74 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 75 -* 2 x Relay Output (5A@250VAC / 30VDC) 76 -* 2 x 0~~20mA Analog Input (res:0.01mA) 77 -* 2 x 0~~30V Analog Input (res:0.01v) 78 -* 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 +))) 79 79 108 +((( 109 + 110 + 80 80 (% style="color:#037691" %)**LoRa Spec:** 112 +))) 81 81 82 -* Frequency Range: 83 -** Band 1 (HF): 862 ~~ 1020 Mhz 84 -** Band 2 (LF): 410 ~~ 528 Mhz 85 -* 168 dB maximum link budget. 86 -* +20 dBm - 100 mW constant RF output vs. 87 -* +14 dBm high efficiency PA. 88 -* Programmable bit rate up to 300 kbps. 89 -* High sensitivity: down to -148 dBm. 90 -* Bullet-proof front end: IIP3 = -12.5 dBm. 91 -* Excellent blocking immunity. 92 -* Low RX current of 10.3 mA, 200 nA register retention. 93 -* Fully integrated synthesizer with a resolution of 61 Hz. 94 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 95 -* Built-in bit synchronizer for clock recovery. 96 -* Preamble detection. 97 -* 127 dB Dynamic Range RSSI. 98 -* Automatic RF Sense and CAD with ultra-fast AFC. 99 -* Packet engine up to 256 bytes with CRC. 114 +* ((( 115 +((( 116 +Frequency Range: 117 +))) 100 100 119 +* ((( 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 + 101 101 == 1.3 Features == 102 102 177 + 103 103 * LoRaWAN Class A & Class C protocol 179 + 104 104 * Optional Customized LoRa Protocol 181 + 105 105 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869 183 + 106 106 * AT Commands to change parameters 185 + 107 107 * Remote configure parameters via LoRa Downlink 187 + 108 108 * Firmware upgradable via program port 189 + 109 109 * Counting 110 110 111 -== 1.4 Applications == 192 +== 1.4 Applications == 112 112 194 + 113 113 * Smart Buildings & Home Automation 196 + 114 114 * Logistics and Supply Chain Management 198 + 115 115 * Smart Metering 200 + 116 116 * Smart Agriculture 202 + 117 117 * Smart Cities 204 + 118 118 * Smart Factory 119 119 207 + 120 120 == 1.5 Hardware Variants == 121 121 122 122 123 123 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %) 124 -|(% 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 +|(% 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:266px" %)**Description** 125 125 |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)((( 126 126 (% style="text-align:center" %) 127 127 [[image:image-20230424115112-1.png||height="106" width="58"]] ... ... @@ -136,10 +136,17 @@ 136 136 137 137 = 2. Power ON Device = 138 138 227 + 228 +((( 139 139 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. 230 +))) 140 140 232 +((( 141 141 PWR will on when device is properly powered. 142 142 235 + 236 +))) 237 + 143 143 [[image:1653297104069-180.png]] 144 144 145 145 ... ... @@ -198,6 +198,7 @@ 198 198 [[image:1653298023685-319.png]] 199 199 200 200 296 + 201 201 ((( 202 202 (% 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. 203 203 ... ... @@ -231,7 +231,7 @@ 231 231 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %) 232 232 233 233 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 234 -|(% 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**330 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1** 235 235 |Value|((( 236 236 AVI1 voltage 237 237 )))|((( ... ... @@ -253,7 +253,7 @@ 253 253 |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1 254 254 ))) 255 255 256 -* RO is for relay. ROx=1 : close ,ROx=0 always open.352 +* RO is for relay. ROx=1 : close,ROx=0 always open. 257 257 * DI is for digital input. DIx=1: high or float, DIx=0: low. 258 258 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 259 259 ... ... @@ -264,7 +264,7 @@ 264 264 265 265 **The value for the interface is: ** 266 266 267 -AVI1 channel voltage is 0x04AB/1000=1195 (DEC)/1000=1.195V363 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V 268 268 269 269 AVI2 channel voltage is 0x04AC/1000=1.196V 270 270 ... ... @@ -292,6 +292,7 @@ 292 292 ** DO1 is high in case there is load between DO1 and V+. 293 293 ** DO1 LED is off in both case 294 294 391 + 295 295 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 296 296 297 297 ... ... @@ -303,7 +303,7 @@ 303 303 Total : 11 bytes payload 304 304 305 305 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 306 -|(% 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**403 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1** 307 307 |Value|COUNT1|COUNT2 |DIDORO*|((( 308 308 Reserve 309 309 )))|MOD ... ... @@ -316,7 +316,7 @@ 316 316 |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 317 317 |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 318 318 319 -RO is for relay. ROx=1 : close ,ROx=0 always open.416 +RO is for relay. ROx=1 : close,ROx=0 always open. 320 320 ))) 321 321 322 322 * FIRST: Indicate this is the first packet after join network. ... ... @@ -324,8 +324,6 @@ 324 324 325 325 ((( 326 326 (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.** 327 - 328 - 329 329 ))) 330 330 331 331 ((( ... ... @@ -332,6 +332,7 @@ 332 332 **To use counting mode, please run:** 333 333 ))) 334 334 430 + 335 335 ((( 336 336 (% class="box infomessage" %) 337 337 ((( ... ... @@ -370,7 +370,7 @@ 370 370 **LT22222-L**: This mode the DI1 is used as a counting pin. 371 371 372 372 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 373 -|(% 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**469 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1** 374 374 |Value|COUNT1|((( 375 375 ACI1 Current 376 376 )))|((( ... ... @@ -385,7 +385,7 @@ 385 385 |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 386 386 ))) 387 387 388 -* RO is for relay. ROx=1 : close ,ROx=0 always open.484 +* RO is for relay. ROx=1 : close,ROx=0 always open. 389 389 * FIRST: Indicate this is the first packet after join network. 390 390 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 391 391 ... ... @@ -423,7 +423,7 @@ 423 423 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. 424 424 425 425 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 426 -|(% 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**522 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1** 427 427 |Value|COUNT1|AVI1 Counting|DIDORO*|((( 428 428 Reserve 429 429 )))|MOD ... ... @@ -437,7 +437,7 @@ 437 437 |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 438 438 ))) 439 439 440 -* RO is for relay. ROx=1 : close ,ROx=0 always open.536 +* RO is for relay. ROx=1 : close,ROx=0 always open. 441 441 * FIRST: Indicate this is the first packet after join network. 442 442 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 443 443 ... ... @@ -483,7 +483,7 @@ 483 483 **LT22222-L**: This mode the DI1 is used as a counting pin. 484 484 485 485 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 486 -|(% 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**582 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1** 487 487 |Value|((( 488 488 AVI1 voltage 489 489 )))|((( ... ... @@ -502,7 +502,7 @@ 502 502 |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 503 503 ))) 504 504 505 -* RO is for relay. ROx=1 : close ,ROx=0 always open.601 +* RO is for relay. ROx=1 : close,ROx=0 always open. 506 506 * FIRST: Indicate this is the first packet after join network. 507 507 * ((( 508 508 DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. ... ... @@ -545,6 +545,7 @@ 545 545 1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type 546 546 1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.** 547 547 644 + 548 548 (% style="color:#037691" %)**AT Command to set Trigger Condition**: 549 549 550 550 ... ... @@ -619,7 +619,7 @@ 619 619 MOD6 Payload : total 11 bytes payload 620 620 621 621 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %) 622 -|(% 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**719 +|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1** 623 623 |Value|((( 624 624 TRI_A FLAG 625 625 )))|((( ... ... @@ -947,7 +947,7 @@ 947 947 01: Low, 00: High , 11: No action 948 948 949 949 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 950 -|(% 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**1047 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3** 951 951 |02 01 00 11|Low|High|No Action 952 952 |02 00 11 01|High|No Action|Low 953 953 |02 11 01 00|No Action|Low|High ... ... @@ -990,7 +990,7 @@ 990 990 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 991 991 992 992 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 993 -|(% style="background-color:# 4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**1090 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status** 994 994 |0x01|DO1 set to low 995 995 |0x00|DO1 set to high 996 996 |0x11|DO1 NO Action ... ... @@ -998,7 +998,7 @@ 998 998 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 999 999 1000 1000 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 1001 -|(% style="background-color:# 4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**1098 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status** 1002 1002 |0x01|DO2 set to low 1003 1003 |0x00|DO2 set to high 1004 1004 |0x11|DO2 NO Action ... ... @@ -1006,7 +1006,7 @@ 1006 1006 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1007 1007 1008 1008 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 1009 -|(% style="background-color:# 4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**1106 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status** 1010 1010 |0x01|DO3 set to low 1011 1011 |0x00|DO3 set to high 1012 1012 |0x11|DO3 NO Action ... ... @@ -1043,7 +1043,7 @@ 1043 1043 1044 1044 1045 1045 1046 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1143 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1047 1047 1048 1048 1049 1049 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1061,10 +1061,10 @@ 1061 1061 ))) 1062 1062 1063 1063 ((( 1064 -0 0: Close , 01: Open , 11: No action1161 +01: Close , 00: Open , 11: No action 1065 1065 1066 1066 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %) 1067 -|(% style="background-color:# 4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**1164 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2** 1068 1068 |03 00 11|Open|No Action 1069 1069 |03 01 11|Close|No Action 1070 1070 |03 11 00|No Action|Open ... ... @@ -1335,6 +1335,7 @@ 1335 1335 [[image:1653356838789-523.png||height="337" width="740"]] 1336 1336 1337 1337 1435 + 1338 1338 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1339 1339 1340 1340 [[image:image-20220524094909-1.png||height="335" width="729"]] ... ... @@ -1487,11 +1487,8 @@ 1487 1487 1488 1488 [[image:image-20230616235145-1.png]] 1489 1489 1490 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor 1491 1491 1492 -[[image:image-20240219115718-1.png]] 1493 1493 1494 - 1495 1495 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1496 1496 1497 1497 ... ... @@ -1566,9 +1566,12 @@ 1566 1566 == 3.7 LEDs Indicators == 1567 1567 1568 1568 1569 -(% border="1" cellspacing=" 3" style="background-color:#f2f2f2; width:510px" %)1570 -|(% style="background-color:# 4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**1664 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 1665 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature** 1571 1571 |**PWR**|Always on if there is power 1667 +|**SYS**|((( 1668 +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. 1669 +))) 1572 1572 |**TX**|((( 1573 1573 ((( 1574 1574 Device boot: TX blinks 5 times. ... ... @@ -1583,14 +1583,18 @@ 1583 1583 ))) 1584 1584 ))) 1585 1585 |**RX**|RX blinks once when receive a packet. 1586 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high 1587 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high 1588 -|**DI1**|((( 1589 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low 1684 +|**DO1**| 1685 +|**DO2**| 1686 +|**DO3**| 1687 +|**DI2**|((( 1688 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1590 1590 ))) 1591 1591 |**DI2**|((( 1592 1592 For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1593 1593 ))) 1693 +|**DI2**|((( 1694 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1695 +))) 1594 1594 |**RO1**| 1595 1595 |**RO2**| 1596 1596 ... ... @@ -1603,6 +1603,10 @@ 1603 1603 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. 1604 1604 ))) 1605 1605 1708 +((( 1709 + 1710 +))) 1711 + 1606 1606 [[image:1653358238933-385.png]] 1607 1607 1608 1608 ... ... @@ -1921,6 +1921,8 @@ 1921 1921 dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.** 1922 1922 1923 1923 **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.** 2030 + 2031 + 1924 1924 ))) 1925 1925 1926 1926 ((( ... ... @@ -1927,6 +1927,9 @@ 1927 1927 [[image:1653359097980-169.png||height="188" width="729"]] 1928 1928 ))) 1929 1929 2038 +((( 2039 + 2040 +))) 1930 1930 1931 1931 === 4.2.3 Change to Class A === 1932 1932 ... ... @@ -1933,11 +1933,13 @@ 1933 1933 1934 1934 ((( 1935 1935 (% style="color:blue" %)**If sensor JOINED:** 2047 +((( 2048 +(% class="box infomessage" %) 2049 +**AT+CLASS=A** 1936 1936 1937 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A** 1938 - 1939 -(% style="background-color:#dcdcdc" %)**ATZ** 2051 +**ATZ** 1940 1940 ))) 2053 +))) 1941 1941 1942 1942 1943 1943 = 5. Case Study = ... ... @@ -1989,6 +1989,7 @@ 1989 1989 1990 1990 (% 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: 1991 1991 2105 + 1992 1992 [[image:1653360054704-518.png||height="186" width="745"]] 1993 1993 1994 1994 ... ... @@ -2052,21 +2052,13 @@ 2052 2052 2053 2053 ((( 2054 2054 (% style="background-color:#dcdcdc" %)**123456** (%%) : Enter Password to have AT access. 2055 - 2056 2056 (% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset Parameters to Factory Default, Keys Reserve 2057 - 2058 2058 (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode 2059 - 2060 2060 (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Set the Adaptive Data Rate Off 2061 - 2062 2062 (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Set AT+DR=3 for 915 band) 2063 - 2064 2064 (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds 2065 - 2066 2066 (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz 2067 - 2068 2068 (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%) : Set Device Address to 26 01 1A F1 2069 - 2070 2070 (% style="background-color:#dcdcdc" %)**ATZ** (%%) : Reset MCU 2071 2071 ))) 2072 2072 ... ... @@ -2078,7 +2078,7 @@ 2078 2078 [[image:1653360498588-932.png||height="485" width="726"]] 2079 2079 2080 2080 2081 -== 6.4 How to change the uplink interval ?==2187 +== 6.4 How to change the uplink interval? == 2082 2082 2083 2083 2084 2084 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/]] ... ... @@ -2127,12 +2127,6 @@ 2127 2127 Firmware version needs to be no less than 1.6.0. 2128 2128 2129 2129 2130 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? == 2131 - 2132 - 2133 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose. 2134 - 2135 - 2136 2136 = 7. Trouble Shooting = 2137 2137 ))) 2138 2138 ... ... @@ -2173,13 +2173,6 @@ 2173 2173 ))) 2174 2174 2175 2175 2176 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? == 2177 - 2178 - 2179 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state. 2180 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]] 2181 - 2182 - 2183 2183 = 8. Order Info = 2184 2184 2185 2185 ... ... @@ -2233,3 +2233,5 @@ 2233 2233 * 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]] 2234 2234 * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]] 2235 2235 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2329 + 2330 +
- image-20240219115718-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Edwin - Size
-
... ... @@ -1,1 +1,0 @@ 1 -27.7 KB - Content