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Last modified by Xiaoling on 2025/04/23 15:57
From version 44.6
edited by Xiaoling
on 2022/06/14 09:57
Change comment: There is no comment for this version
To version 41.20
edited by Xiaoling
on 2022/06/06 11:06
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -1,9 +1,13 @@
1 1  (% style="text-align:center" %)
2 -[[image:1652947681187-144.png||height="404" width="404"]]
2 +[[image:1652947681187-144.png||height="385" width="385"]]
3 3  
4 4  
5 5  
6 6  
7 +**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 +
9 +
10 +
7 7  **Table of Contents:**
8 8  
9 9  {{toc/}}
... ... @@ -63,7 +63,6 @@
63 63  ** Idle: 6uA@3.3v
64 64  ** 20dB Transmit: 130mA@3.3v
65 65  
66 -
67 67  **Interface for Model:**
68 68  
69 69  * 1 x RS485 Interface
... ... @@ -73,7 +73,6 @@
73 73  * 1 x Interrupt Interface
74 74  * 1 x Controllable 5V output, max
75 75  
76 -
77 77  **LoRa Spec:**
78 78  
79 79  * Frequency Range:
... ... @@ -92,9 +92,6 @@
92 92  * 127 dB Dynamic Range RSSI.
93 93  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
94 94  
95 -
96 -
97 -
98 98  == 1.3 Features ==
99 99  
100 100  * LoRaWAN Class A & Class C protocol (default Class A)
... ... @@ -106,9 +106,6 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink
108 108  
109 -
110 -
111 -
112 112  == 1.4 Applications ==
113 113  
114 114  * Smart Buildings & Home Automation
... ... @@ -118,9 +118,6 @@
118 118  * Smart Cities
119 119  * Smart Factory
120 120  
121 -
122 -
123 -
124 124  == 1.5 Firmware Change log ==
125 125  
126 126  [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
... ... @@ -290,28 +290,28 @@
290 290  )))
291 291  
292 292  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
293 -|=(% style="width: 80px;" %)(((
286 +|=(% style="width: 120px;" %)(((
294 294  (((
295 295  **AT Commands**
296 296  )))
297 -)))|=(% style="width: 210px;" %)(((
290 +)))|=(% style="width: 190px;" %)(((
298 298  (((
299 299  **Description**
300 300  )))
301 -)))|=(% style="width: 210px;" %)(((
294 +)))|=(% style="width: 190px;" %)(((
302 302  (((
303 303  **Example**
304 304  )))
305 305  )))
306 -|(% style="width:80px" %)(((
299 +|(% style="width:120px" %)(((
307 307  (((
308 308  AT+BAUDR
309 309  )))
310 -)))|(% style="width:210px" %)(((
303 +)))|(% style="width:190px" %)(((
311 311  (((
312 312  Set the baud rate (for RS485 connection). Default Value is: 9600.
313 313  )))
314 -)))|(% style="width:210px" %)(((
307 +)))|(% style="width:190px" %)(((
315 315  (((
316 316  (((
317 317  AT+BAUDR=9600
... ... @@ -324,11 +324,11 @@
324 324  )))
325 325  )))
326 326  )))
327 -|(% style="width:80px" %)(((
320 +|(% style="width:120px" %)(((
328 328  (((
329 329  AT+PARITY
330 330  )))
331 -)))|(% style="width:210px" %)(((
324 +)))|(% style="width:190px" %)(((
332 332  (((
333 333  (((
334 334  Set UART parity (for RS485 connection)
... ... @@ -340,7 +340,7 @@
340 340  Default Value is: no parity.
341 341  )))
342 342  )))
343 -)))|(% style="width:210px" %)(((
336 +)))|(% style="width:190px" %)(((
344 344  (((
345 345  (((
346 346  AT+PARITY=0
... ... @@ -353,11 +353,11 @@
353 353  )))
354 354  )))
355 355  )))
356 -|(% style="width:80px" %)(((
349 +|(% style="width:120px" %)(((
357 357  (((
358 358  AT+STOPBIT
359 359  )))
360 -)))|(% style="width:210px" %)(((
353 +)))|(% style="width:190px" %)(((
361 361  (((
362 362  (((
363 363  Set serial stopbit (for RS485 connection)
... ... @@ -369,7 +369,7 @@
369 369  Default Value is: 1bit.
370 370  )))
371 371  )))
372 -)))|(% style="width:210px" %)(((
365 +)))|(% style="width:190px" %)(((
373 373  (((
374 374  (((
375 375  AT+STOPBIT=0 for 1bit
... ... @@ -389,6 +389,8 @@
389 389  )))
390 390  )))
391 391  
385 +
386 +
392 392  === 3.3.2 Configure sensors ===
393 393  
394 394  (((
... ... @@ -400,20 +400,14 @@
400 400  )))
401 401  
402 402  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
403 -|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
404 -|AT+CFGDEV|(% style="width:80px" %)(((
405 -(((
398 +|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
399 +|AT+CFGDEV|(% style="width:120px" %)(((
406 406  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
407 -)))
408 408  
409 -(((
410 410  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
411 -)))
412 412  
413 -(((
414 414  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
415 -)))
416 -)))|(% style="width:210px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
405 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
417 417  
418 418  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
419 419  
... ... @@ -913,6 +913,8 @@
913 913  (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
914 914  )))
915 915  
905 +
906 +
916 916  === 3.5.1 Common Commands: ===
917 917  
918 918  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, 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]]
... ... @@ -948,101 +948,53 @@
948 948  
949 949  ==== **RS485 Debug Command (AT+CFGDEV)** ====
950 950  
951 -(((
952 952  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
953 -)))
954 954  
955 -* (((
956 -**AT Command**
957 -)))
944 +* **AT Command**
958 958  
959 959  (% class="box infomessage" %)
960 960  (((
961 -(((
962 962  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
963 963  )))
964 -)))
965 965  
966 -(((
967 967  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
968 -)))
969 969  
970 -(((
971 -
972 -)))
973 973  
974 -* (((
975 -**Downlink Payload**
976 -)))
954 +* **Downlink Payload**
977 977  
978 -(((
979 979  Format: A8 MM NN XX XX XX XX YY
980 -)))
981 981  
982 -(((
983 983  Where:
984 -)))
985 985  
986 -* (((
987 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
988 -)))
989 -* (((
990 -NN: The length of RS485 command
991 -)))
992 -* (((
993 -XX XX XX XX: RS485 command total NN bytes
994 -)))
995 -* (((
996 -YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
997 -)))
960 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
961 +* NN: The length of RS485 command
962 +* XX XX XX XX: RS485 command total NN bytes
963 +* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
998 998  
999 -(((
1000 1000  **Example 1:**
1001 -)))
1002 1002  
1003 -(((
1004 1004  To connect a Modbus Alarm with below commands.
1005 -)))
1006 1006  
1007 -* (((
1008 -The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
1009 -)))
969 +* The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
1010 1010  
1011 -* (((
1012 -The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
1013 -)))
971 +* The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
1014 1014  
1015 -(((
1016 1016  So if user want to use downlink command to control to RS485 Alarm, he can use:
1017 -)))
1018 1018  
1019 -(((
1020 1020  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1021 -)))
1022 1022  
1023 -(((
1024 1024  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1025 -)))
1026 1026  
1027 1027  (((
1028 1028  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
1029 1029  )))
1030 1030  
1031 -(((
1032 -
1033 -)))
1034 1034  
1035 -(((
1036 1036  **Example 2:**
1037 -)))
1038 1038  
1039 -(((
1040 1040  Check TTL Sensor return:
1041 -)))
1042 1042  
1043 -(((
1044 1044  [[image:1654132684752-193.png]]
1045 -)))
1046 1046  
1047 1047  
1048 1048  
... ... @@ -1071,121 +1071,62 @@
1071 1071  
1072 1072  ==== **Set RS485 Sampling Commands** ====
1073 1073  
1074 -(((
1075 1075  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1076 -)))
1077 1077  
1078 -(((
1079 1079  These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1080 -)))
1081 1081  
1082 -(((
1083 -
1084 -)))
1085 1085  
1086 -* (((
1087 -**AT Command:**
1088 -)))
1022 +* **AT Command:**
1089 1089  
1090 1090  (% class="box infomessage" %)
1091 1091  (((
1092 -(((
1093 1093  **AT+COMMANDx: Configure RS485 read command to sensor.**
1094 1094  )))
1095 -)))
1096 1096  
1097 1097  (% class="box infomessage" %)
1098 1098  (((
1099 -(((
1100 1100  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1101 1101  )))
1102 -)))
1103 1103  
1104 1104  (% class="box infomessage" %)
1105 1105  (((
1106 -(((
1107 1107  **AT+SEARCHx: Configure search command**
1108 1108  )))
1109 -)))
1110 1110  
1111 -(((
1112 -
1113 -)))
1114 1114  
1115 -* (((
1116 -**Downlink Payload:**
1117 -)))
1040 +* **Downlink Payload:**
1118 1118  
1119 -(((
1120 1120  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1121 -)))
1122 1122  
1123 -(((
1124 1124  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1125 -)))
1126 1126  
1127 -(((
1128 1128  Format: AF MM NN LL XX XX XX XX YY
1129 -)))
1130 1130  
1131 -(((
1132 1132  Where:
1133 -)))
1134 1134  
1135 -* (((
1136 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1137 -)))
1138 -* (((
1139 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1140 -)))
1141 -* (((
1142 -LL:  The length of AT+COMMAND or AT+DATACUT command
1143 -)))
1144 -* (((
1145 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
1146 -)))
1147 -* (((
1148 -YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
1149 -)))
1050 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1051 +* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1052 +* LL:  The length of AT+COMMAND or AT+DATACUT command
1053 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
1054 +* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
1150 1150  
1151 -(((
1152 1152  **Example:**
1153 -)))
1154 1154  
1155 -(((
1156 1156  (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
1157 -)))
1158 1158  
1159 -(((
1160 1160  (% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
1161 -)))
1162 1162  
1163 -(((
1164 1164  (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
1165 -)))
1166 1166  
1167 -(((
1168 -
1169 -)))
1170 1170  
1171 -(((
1172 1172  **0xAB** downlink command can be used for set AT+SEARCHx
1173 -)))
1174 1174  
1175 -(((
1176 1176  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1177 -)))
1178 1178  
1179 -* (((
1180 -AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1181 -)))
1182 -* (((
1183 -AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
1184 -)))
1069 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1070 +* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
1185 1185  
1186 -(((
1187 1187  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1188 -)))
1189 1189  
1190 1190  
1191 1191  
... ... @@ -1192,47 +1192,24 @@
1192 1192  
1193 1193  ==== **Fast command to handle MODBUS device** ====
1194 1194  
1195 -(((
1196 1196  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
1197 -)))
1198 1198  
1199 -(((
1200 1200  This command is valid since v1.3 firmware version
1201 -)))
1202 1202  
1203 -(((
1204 -
1205 -)))
1206 1206  
1207 -(((
1208 1208  **AT+MBFUN has only two value:**
1209 -)))
1210 1210  
1211 -* (((
1212 -**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1213 -)))
1086 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1214 1214  
1215 -(((
1216 1216  AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
1217 -)))
1218 1218  
1219 -* (((
1220 -**AT+MBFUN=0**: Disable Modbus fast reading.
1221 -)))
1090 +* **AT+MBFUN=0**: Disable Modbus fast reading.
1222 1222  
1223 -(((
1224 1224  **Example:**
1225 -)))
1226 1226  
1227 -* (((
1228 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1229 -)))
1230 -* (((
1231 -AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
1232 -)))
1233 -* (((
1234 -AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
1235 -)))
1094 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1095 +* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
1096 +* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
1236 1236  
1237 1237  [[image:1654133913295-597.png]]
1238 1238  
... ... @@ -1240,13 +1240,9 @@
1240 1240  [[image:1654133954153-643.png]]
1241 1241  
1242 1242  
1243 -* (((
1244 -**Downlink Commands:**
1245 -)))
1104 +* **Downlink Commands:**
1246 1246  
1247 -(((
1248 1248  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1249 -)))
1250 1250  
1251 1251  
1252 1252  
... ... @@ -1253,60 +1253,32 @@
1253 1253  
1254 1254  ==== **RS485 command timeout** ====
1255 1255  
1256 -(((
1257 1257  Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
1258 -)))
1259 1259  
1260 -(((
1261 1261  Default value: 0, range:  0 ~~ 5 seconds
1262 -)))
1263 1263  
1264 -(((
1265 -
1266 -)))
1267 1267  
1268 -* (((
1269 -**AT Command:**
1270 -)))
1118 +* **AT Command:**
1271 1271  
1272 1272  (% class="box infomessage" %)
1273 1273  (((
1274 -(((
1275 1275  **AT+CMDDLaa=hex(bb cc)**
1276 1276  )))
1277 -)))
1278 1278  
1279 -(((
1280 1280  **Example:**
1281 -)))
1282 1282  
1283 -(((
1284 1284  **AT+CMDDL1=1000** to send the open time to 1000ms
1285 -)))
1286 1286  
1287 -(((
1288 -
1289 -)))
1290 1290  
1291 -* (((
1292 -**Downlink Payload:**
1293 -)))
1130 +* **Downlink Payload:**
1294 1294  
1295 -(((
1296 1296  0x AA aa bb cc
1297 -)))
1298 1298  
1299 -(((
1300 1300  Same as: AT+CMDDLaa=hex(bb cc)
1301 -)))
1302 1302  
1303 -(((
1304 1304   **Example:**
1305 -)))
1306 1306  
1307 -(((
1308 1308   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1309 -)))
1310 1310  
1311 1311  
1312 1312  
... ... @@ -1313,47 +1313,28 @@
1313 1313  
1314 1314  ==== **Uplink payload mode** ====
1315 1315  
1316 -(((
1317 1317  Define to use one uplink or multiple uplinks for the sampling.
1318 -)))
1319 1319  
1320 -(((
1321 1321  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1322 -)))
1323 1323  
1324 -* (((
1325 -**AT Command:**
1326 -)))
1149 +* **AT Command:**
1327 1327  
1328 1328  (% class="box infomessage" %)
1329 1329  (((
1330 -(((
1331 1331  **AT+DATAUP=0**
1332 1332  )))
1333 -)))
1334 1334  
1335 1335  (% class="box infomessage" %)
1336 1336  (((
1337 -(((
1338 1338  **AT+DATAUP=1**
1339 1339  )))
1340 -)))
1341 1341  
1342 -(((
1343 -
1344 -)))
1345 1345  
1346 -* (((
1347 -**Downlink Payload:**
1348 -)))
1162 +* **Downlink Payload:**
1349 1349  
1350 -(((
1351 1351  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1352 -)))
1353 1353  
1354 -(((
1355 1355  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1356 -)))
1357 1357  
1358 1358  
1359 1359  
... ... @@ -1371,49 +1371,26 @@
1371 1371  
1372 1372  ==== **Clear RS485 Command** ====
1373 1373  
1374 -(((
1375 1375  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1376 -)))
1377 1377  
1378 -(((
1379 -
1380 -)))
1381 1381  
1382 -* (((
1383 -**AT Command:**
1384 -)))
1187 +* **AT Command:**
1385 1385  
1386 1386  (((
1387 1387  (% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1388 1388  )))
1389 1389  
1390 -(((
1391 1391  Example screen shot after clear all RS485 commands. 
1392 -)))
1393 1393  
1394 -(((
1395 -
1396 -)))
1397 1397  
1398 -(((
1399 1399  The uplink screen shot is:
1400 -)))
1401 1401  
1402 -(((
1403 1403  [[image:1654134704555-320.png]]
1404 -)))
1405 1405  
1406 -(((
1407 -
1408 -)))
1409 1409  
1410 -* (((
1411 -**Downlink Payload:**
1412 -)))
1201 +* **Downlink Payload:**
1413 1413  
1414 -(((
1415 1415  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1416 -)))
1417 1417  
1418 1418  
1419 1419  
... ... @@ -1420,59 +1420,44 @@
1420 1420  
1421 1421  ==== **Set Serial Communication Parameters** ====
1422 1422  
1423 -(((
1424 1424  Set the Rs485 serial communication parameters:
1425 -)))
1426 1426  
1427 -* (((
1428 -**AT Command:**
1429 -)))
1212 +* **AT Command:**
1430 1430  
1431 -(((
1432 1432  Set Baud Rate:
1433 -)))
1434 1434  
1435 1435  (% class="box infomessage" %)
1436 1436  (((
1437 -(((
1438 1438  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1219 +)))
1439 1439  
1440 1440  Set UART Parity
1222 +
1223 +(% class="box infomessage" %)
1224 +(((
1441 1441  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1226 +)))
1442 1442  
1443 1443  Set STOPBIT
1444 1444  
1230 +(% class="box infomessage" %)
1231 +(((
1445 1445  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1446 1446  )))
1447 -)))
1448 1448  
1449 1449  
1450 -* (((
1451 -**Downlink Payload:**
1452 -)))
1236 +* **Downlink Payload:**
1453 1453  
1454 -(((
1455 1455  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1456 -)))
1457 1457  
1458 -(((
1459 1459  **Example:**
1460 -)))
1461 1461  
1462 -* (((
1463 -A7 01 00 60   same as AT+BAUDR=9600
1464 -)))
1465 -* (((
1466 -A7 01 04 80  same as AT+BAUDR=115200
1467 -)))
1242 +* A7 01 00 60   same as AT+BAUDR=9600
1243 +* A7 01 04 80  same as AT+BAUDR=115200
1468 1468  
1469 -(((
1470 1470  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1471 -)))
1472 1472  
1473 -(((
1474 1474  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1475 -)))
1476 1476  
1477 1477  
1478 1478  
... ... @@ -1479,41 +1479,22 @@
1479 1479  
1480 1480  ==== **Control output power duration** ====
1481 1481  
1482 -(((
1483 1483  User can set the output power duration before each sampling.
1484 -)))
1485 1485  
1486 -* (((
1487 -**AT Command:**
1488 -)))
1256 +* **AT Command:**
1489 1489  
1490 -(((
1491 1491  **Example:**
1492 -)))
1493 1493  
1494 -(((
1495 1495  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1496 -)))
1497 1497  
1498 -(((
1499 1499  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1500 -)))
1501 1501  
1502 -(((
1503 -
1504 -)))
1505 1505  
1506 -* (((
1507 -**LoRaWAN Downlink Command:**
1508 -)))
1265 +* **LoRaWAN Downlink Command:**
1509 1509  
1510 -(((
1511 1511  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1512 -)))
1513 1513  
1514 -(((
1515 1515  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1516 -)))
1517 1517  
1518 1518  
1519 1519  
... ... @@ -1523,77 +1523,42 @@
1523 1523  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1524 1524  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1525 1525  
1279 +
1280 +
1526 1526  == 3.7 +3V3 Output ==
1527 1527  
1528 -(((
1529 1529  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1530 -)))
1531 1531  
1532 -(((
1533 1533  The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1534 -)))
1535 1535  
1536 -(((
1537 1537  The +3V3 output time can be controlled by AT Command.
1538 -)))
1539 1539  
1540 -(((
1541 -
1542 -)))
1543 1543  
1544 -(((
1545 1545  (% style="color:#037691" %)**AT+3V3T=1000**
1546 -)))
1547 1547  
1548 -(((
1549 -
1550 -)))
1551 1551  
1552 -(((
1553 1553  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1554 -)))
1555 1555  
1556 -(((
1557 1557  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1558 -)))
1559 1559  
1560 1560  
1561 1561  == 3.8 +5V Output ==
1562 1562  
1563 -(((
1564 1564  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1565 -)))
1566 1566  
1567 -(((
1568 1568  The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
1569 -)))
1570 1570  
1571 -(((
1572 1572  The 5V output time can be controlled by AT Command.
1573 -)))
1574 1574  
1575 -(((
1576 -
1577 -)))
1578 1578  
1579 -(((
1580 1580  (% style="color:#037691" %)**AT+5VT=1000**
1581 -)))
1582 1582  
1583 -(((
1584 -
1585 -)))
1586 1586  
1587 -(((
1588 1588  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1589 -)))
1590 1590  
1591 -(((
1592 1592  By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
1593 -)))
1594 1594  
1595 1595  
1596 -
1597 1597  == 3.9 LEDs ==
1598 1598  
1599 1599  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1602,20 +1602,22 @@
1602 1602  
1603 1603  == 3.10 Switch Jumper ==
1604 1604  
1605 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:463px" %)
1606 -|=(% style="width: 123px;" %)**Switch Jumper**|=(% style="width: 336px;" %)**Feature**
1607 -|(% style="width:123px" %)**SW1**|(% style="width:336px" %)ISP position: Upgrade firmware via UART
1323 +(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
1324 +|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature**
1325 +|(% style="width:124px" %)**SW1**|(% style="width:388px" %)(((
1326 +ISP position: Upgrade firmware via UART
1327 +
1608 1608  Flash position: Configure device, check running status.
1609 -|(% style="width:123px" %)**SW2**|(% style="width:336px" %)5V position: set to compatible with 5v I/O.
1329 +)))
1330 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1331 +5V position: set to compatible with 5v I/O.
1332 +
1610 1610  3.3v position: set to compatible with 3.3v I/O.,
1334 +)))
1611 1611  
1612 -(((
1613 1613  **+3.3V**: is always ON
1614 -)))
1615 1615  
1616 -(((
1617 1617  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1618 -)))
1619 1619  
1620 1620  
1621 1621  = 4. Case Study =
... ... @@ -1627,23 +1627,17 @@
1627 1627  
1628 1628  == 5.1 Access AT Command ==
1629 1629  
1630 -(((
1631 1631  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1632 -)))
1633 1633  
1634 1634  [[image:1654135840598-282.png]]
1635 1635  
1636 1636  
1637 -(((
1638 1638  In PC, User needs to set (% style="color:blue" %)**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 of RS485-BL. The default password is 123456. Below is the output for reference:
1639 -)))
1640 1640  
1641 1641  [[image:1654136105500-922.png]]
1642 1642  
1643 1643  
1644 -(((
1645 1645  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1646 -)))
1647 1647  
1648 1648  
1649 1649  == 5.2 Common AT Command Sequence ==
... ... @@ -1655,14 +1655,20 @@
1655 1655  (% class="box infomessage" %)
1656 1656  (((
1657 1657  **AT+FDR**
1372 +)))
1373 +
1374 +(% class="box infomessage" %)
1375 +(((
1658 1658  **AT+NJM=0**
1377 +)))
1378 +
1379 +(% class="box infomessage" %)
1380 +(((
1659 1659  **ATZ**
1660 1660  )))
1661 1661  
1662 1662  
1663 -(((
1664 1664  If device already joined network:
1665 -)))
1666 1666  
1667 1667  (% class="box infomessage" %)
1668 1668  (((
... ... @@ -1701,12 +1701,10 @@
1701 1701  
1702 1702  (% style="color:red" %)**Note:**
1703 1703  
1704 -(((
1705 1705  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1706 1706  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1707 1707  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1708 1708  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
1709 -)))
1710 1710  
1711 1711  [[image:1654136435598-589.png]]
1712 1712  
... ... @@ -1715,23 +1715,13 @@
1715 1715  
1716 1716  == 6.1 How to upgrade the image? ==
1717 1717  
1718 -(((
1719 1719  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1720 -)))
1721 1721  
1722 -* (((
1723 -Support new features
1724 -)))
1725 -* (((
1726 -For bug fix
1727 -)))
1728 -* (((
1729 -Change LoRaWAN bands.
1730 -)))
1438 +* Support new features
1439 +* For bug fix
1440 +* Change LoRaWAN bands.
1731 1731  
1732 -(((
1733 1733  Below shows the hardware connection for how to upload an image to RS485-BL:
1734 -)))
1735 1735  
1736 1736  [[image:1654136646995-976.png]]
1737 1737