Skip to Content
Last modified by Xiaoling on 2025/04/23 15:57
From version 44.3
edited by Xiaoling
on 2022/06/14 09:44
Change comment: There is no comment for this version
To version 41.17
edited by Xiaoling
on 2022/06/06 11:05
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -4,7 +4,10 @@
4 4  
5 5  
6 6  
7 +**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
7 7  
9 +
10 +
8 8  **Table of Contents:**
9 9  
10 10  {{toc/}}
... ... @@ -280,28 +280,28 @@
280 280  )))
281 281  
282 282  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
283 -|=(% style="width: 80px;" %)(((
286 +|=(% style="width: 120px;" %)(((
284 284  (((
285 285  **AT Commands**
286 286  )))
287 -)))|=(% style="width: 210px;" %)(((
290 +)))|=(% style="width: 190px;" %)(((
288 288  (((
289 289  **Description**
290 290  )))
291 -)))|=(% style="width: 210px;" %)(((
294 +)))|=(% style="width: 190px;" %)(((
292 292  (((
293 293  **Example**
294 294  )))
295 295  )))
296 -|(% style="width:80px" %)(((
299 +|(% style="width:120px" %)(((
297 297  (((
298 298  AT+BAUDR
299 299  )))
300 -)))|(% style="width:210px" %)(((
303 +)))|(% style="width:190px" %)(((
301 301  (((
302 302  Set the baud rate (for RS485 connection). Default Value is: 9600.
303 303  )))
304 -)))|(% style="width:210px" %)(((
307 +)))|(% style="width:190px" %)(((
305 305  (((
306 306  (((
307 307  AT+BAUDR=9600
... ... @@ -314,11 +314,11 @@
314 314  )))
315 315  )))
316 316  )))
317 -|(% style="width:80px" %)(((
320 +|(% style="width:120px" %)(((
318 318  (((
319 319  AT+PARITY
320 320  )))
321 -)))|(% style="width:210px" %)(((
324 +)))|(% style="width:190px" %)(((
322 322  (((
323 323  (((
324 324  Set UART parity (for RS485 connection)
... ... @@ -330,7 +330,7 @@
330 330  Default Value is: no parity.
331 331  )))
332 332  )))
333 -)))|(% style="width:210px" %)(((
336 +)))|(% style="width:190px" %)(((
334 334  (((
335 335  (((
336 336  AT+PARITY=0
... ... @@ -343,11 +343,11 @@
343 343  )))
344 344  )))
345 345  )))
346 -|(% style="width:80px" %)(((
349 +|(% style="width:120px" %)(((
347 347  (((
348 348  AT+STOPBIT
349 349  )))
350 -)))|(% style="width:210px" %)(((
353 +)))|(% style="width:190px" %)(((
351 351  (((
352 352  (((
353 353  Set serial stopbit (for RS485 connection)
... ... @@ -359,7 +359,7 @@
359 359  Default Value is: 1bit.
360 360  )))
361 361  )))
362 -)))|(% style="width:210px" %)(((
365 +)))|(% style="width:190px" %)(((
363 363  (((
364 364  (((
365 365  AT+STOPBIT=0 for 1bit
... ... @@ -379,6 +379,8 @@
379 379  )))
380 380  )))
381 381  
385 +
386 +
382 382  === 3.3.2 Configure sensors ===
383 383  
384 384  (((
... ... @@ -390,20 +390,14 @@
390 390  )))
391 391  
392 392  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
393 -|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
394 -|AT+CFGDEV|(% style="width:80px" %)(((
395 -(((
398 +|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
399 +|AT+CFGDEV|(% style="width:120px" %)(((
396 396  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
397 -)))
398 398  
399 -(((
400 400  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
401 -)))
402 402  
403 -(((
404 404  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
405 -)))
406 -)))|(% 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
407 407  
408 408  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
409 409  
... ... @@ -903,6 +903,8 @@
903 903  (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
904 904  )))
905 905  
905 +
906 +
906 906  === 3.5.1 Common Commands: ===
907 907  
908 908  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]]
... ... @@ -938,101 +938,51 @@
938 938  
939 939  ==== **RS485 Debug Command (AT+CFGDEV)** ====
940 940  
941 -(((
942 942  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
943 -)))
944 944  
945 -* (((
946 -**AT Command**
947 -)))
944 +* **AT Command**
948 948  
949 949  (% class="box infomessage" %)
950 950  (((
951 -(((
952 952  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
953 953  )))
954 -)))
955 955  
956 -(((
957 957  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
958 -)))
959 959  
960 -(((
961 -
962 -)))
963 963  
964 -* (((
965 -**Downlink Payload**
966 -)))
954 +* **Downlink Payload**
967 967  
968 -(((
969 969  Format: A8 MM NN XX XX XX XX YY
970 -)))
971 971  
972 -(((
973 973  Where:
974 -)))
975 975  
976 -* (((
977 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
978 -)))
979 -* (((
980 -NN: The length of RS485 command
981 -)))
982 -* (((
983 -XX XX XX XX: RS485 command total NN bytes
984 -)))
985 -* (((
986 -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
987 -)))
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
988 988  
989 -(((
990 990  **Example 1:**
991 -)))
992 992  
993 -(((
994 994  To connect a Modbus Alarm with below commands.
995 -)))
996 996  
997 -* (((
998 -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.
999 -)))
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.
1000 1000  
1001 -* (((
1002 -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.
1003 -)))
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.
1004 1004  
1005 -(((
1006 1006  So if user want to use downlink command to control to RS485 Alarm, he can use:
1007 -)))
1008 1008  
1009 -(((
1010 1010  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1011 -)))
1012 1012  
1013 -(((
1014 1014  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1015 -)))
1016 1016  
1017 -(((
1018 1018  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.
1019 -)))
1020 1020  
1021 -(((
1022 -
1023 -)))
1024 1024  
1025 -(((
1026 1026  **Example 2:**
1027 -)))
1028 1028  
1029 -(((
1030 1030  Check TTL Sensor return:
1031 -)))
1032 1032  
1033 -(((
1034 1034  [[image:1654132684752-193.png]]
1035 -)))
1036 1036  
1037 1037  
1038 1038  
... ... @@ -1061,121 +1061,62 @@
1061 1061  
1062 1062  ==== **Set RS485 Sampling Commands** ====
1063 1063  
1064 -(((
1065 1065  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1066 -)))
1067 1067  
1068 -(((
1069 1069  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"]].
1070 -)))
1071 1071  
1072 -(((
1073 -
1074 -)))
1075 1075  
1076 -* (((
1077 -**AT Command:**
1078 -)))
1020 +* **AT Command:**
1079 1079  
1080 1080  (% class="box infomessage" %)
1081 1081  (((
1082 -(((
1083 1083  **AT+COMMANDx: Configure RS485 read command to sensor.**
1084 1084  )))
1085 -)))
1086 1086  
1087 1087  (% class="box infomessage" %)
1088 1088  (((
1089 -(((
1090 1090  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1091 1091  )))
1092 -)))
1093 1093  
1094 1094  (% class="box infomessage" %)
1095 1095  (((
1096 -(((
1097 1097  **AT+SEARCHx: Configure search command**
1098 1098  )))
1099 -)))
1100 1100  
1101 -(((
1102 -
1103 -)))
1104 1104  
1105 -* (((
1106 -**Downlink Payload:**
1107 -)))
1038 +* **Downlink Payload:**
1108 1108  
1109 -(((
1110 1110  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1111 -)))
1112 1112  
1113 -(((
1114 1114  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1115 -)))
1116 1116  
1117 -(((
1118 1118  Format: AF MM NN LL XX XX XX XX YY
1119 -)))
1120 1120  
1121 -(((
1122 1122  Where:
1123 -)))
1124 1124  
1125 -* (((
1126 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1127 -)))
1128 -* (((
1129 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1130 -)))
1131 -* (((
1132 -LL:  The length of AT+COMMAND or AT+DATACUT command
1133 -)))
1134 -* (((
1135 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
1136 -)))
1137 -* (((
1138 -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.
1139 -)))
1048 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1049 +* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1050 +* LL:  The length of AT+COMMAND or AT+DATACUT command
1051 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
1052 +* 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.
1140 1140  
1141 -(((
1142 1142  **Example:**
1143 -)))
1144 1144  
1145 -(((
1146 1146  (% 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
1147 -)))
1148 1148  
1149 -(((
1150 1150  (% 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**
1151 -)))
1152 1152  
1153 -(((
1154 1154  (% 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**
1155 -)))
1156 1156  
1157 -(((
1158 -
1159 -)))
1160 1160  
1161 -(((
1162 1162  **0xAB** downlink command can be used for set AT+SEARCHx
1163 -)))
1164 1164  
1165 -(((
1166 1166  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1167 -)))
1168 1168  
1169 -* (((
1170 -AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1171 -)))
1172 -* (((
1173 -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
1174 -)))
1067 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1068 +* 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
1175 1175  
1176 -(((
1177 1177  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1178 -)))
1179 1179  
1180 1180  
1181 1181  
... ... @@ -1182,47 +1182,24 @@
1182 1182  
1183 1183  ==== **Fast command to handle MODBUS device** ====
1184 1184  
1185 -(((
1186 1186  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]].
1187 -)))
1188 1188  
1189 -(((
1190 1190  This command is valid since v1.3 firmware version
1191 -)))
1192 1192  
1193 -(((
1194 -
1195 -)))
1196 1196  
1197 -(((
1198 1198  **AT+MBFUN has only two value:**
1199 -)))
1200 1200  
1201 -* (((
1202 -**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1203 -)))
1084 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1204 1204  
1205 -(((
1206 1206  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.
1207 -)))
1208 1208  
1209 -* (((
1210 -**AT+MBFUN=0**: Disable Modbus fast reading.
1211 -)))
1088 +* **AT+MBFUN=0**: Disable Modbus fast reading.
1212 1212  
1213 -(((
1214 1214  **Example:**
1215 -)))
1216 1216  
1217 -* (((
1218 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1219 -)))
1220 -* (((
1221 -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.
1222 -)))
1223 -* (((
1224 -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.
1225 -)))
1092 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1093 +* 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.
1094 +* 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.
1226 1226  
1227 1227  [[image:1654133913295-597.png]]
1228 1228  
... ... @@ -1230,13 +1230,9 @@
1230 1230  [[image:1654133954153-643.png]]
1231 1231  
1232 1232  
1233 -* (((
1234 -**Downlink Commands:**
1235 -)))
1102 +* **Downlink Commands:**
1236 1236  
1237 -(((
1238 1238  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1239 -)))
1240 1240  
1241 1241  
1242 1242  
... ... @@ -1243,60 +1243,32 @@
1243 1243  
1244 1244  ==== **RS485 command timeout** ====
1245 1245  
1246 -(((
1247 1247  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.
1248 -)))
1249 1249  
1250 -(((
1251 1251  Default value: 0, range:  0 ~~ 5 seconds
1252 -)))
1253 1253  
1254 -(((
1255 -
1256 -)))
1257 1257  
1258 -* (((
1259 -**AT Command:**
1260 -)))
1116 +* **AT Command:**
1261 1261  
1262 1262  (% class="box infomessage" %)
1263 1263  (((
1264 -(((
1265 1265  **AT+CMDDLaa=hex(bb cc)**
1266 1266  )))
1267 -)))
1268 1268  
1269 -(((
1270 1270  **Example:**
1271 -)))
1272 1272  
1273 -(((
1274 1274  **AT+CMDDL1=1000** to send the open time to 1000ms
1275 -)))
1276 1276  
1277 -(((
1278 -
1279 -)))
1280 1280  
1281 -* (((
1282 -**Downlink Payload:**
1283 -)))
1128 +* **Downlink Payload:**
1284 1284  
1285 -(((
1286 1286  0x AA aa bb cc
1287 -)))
1288 1288  
1289 -(((
1290 1290  Same as: AT+CMDDLaa=hex(bb cc)
1291 -)))
1292 1292  
1293 -(((
1294 1294   **Example:**
1295 -)))
1296 1296  
1297 -(((
1298 1298   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1299 -)))
1300 1300  
1301 1301  
1302 1302  
... ... @@ -1303,47 +1303,28 @@
1303 1303  
1304 1304  ==== **Uplink payload mode** ====
1305 1305  
1306 -(((
1307 1307  Define to use one uplink or multiple uplinks for the sampling.
1308 -)))
1309 1309  
1310 -(((
1311 1311  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1312 -)))
1313 1313  
1314 -* (((
1315 -**AT Command:**
1316 -)))
1147 +* **AT Command:**
1317 1317  
1318 1318  (% class="box infomessage" %)
1319 1319  (((
1320 -(((
1321 1321  **AT+DATAUP=0**
1322 1322  )))
1323 -)))
1324 1324  
1325 1325  (% class="box infomessage" %)
1326 1326  (((
1327 -(((
1328 1328  **AT+DATAUP=1**
1329 1329  )))
1330 -)))
1331 1331  
1332 -(((
1333 -
1334 -)))
1335 1335  
1336 -* (((
1337 -**Downlink Payload:**
1338 -)))
1160 +* **Downlink Payload:**
1339 1339  
1340 -(((
1341 1341  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1342 -)))
1343 1343  
1344 -(((
1345 1345  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1346 -)))
1347 1347  
1348 1348  
1349 1349  
... ... @@ -1361,49 +1361,26 @@
1361 1361  
1362 1362  ==== **Clear RS485 Command** ====
1363 1363  
1364 -(((
1365 1365  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1366 -)))
1367 1367  
1368 -(((
1369 -
1370 -)))
1371 1371  
1372 -* (((
1373 -**AT Command:**
1374 -)))
1185 +* **AT Command:**
1375 1375  
1376 1376  (((
1377 1377  (% 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
1378 1378  )))
1379 1379  
1380 -(((
1381 1381  Example screen shot after clear all RS485 commands. 
1382 -)))
1383 1383  
1384 -(((
1385 -
1386 -)))
1387 1387  
1388 -(((
1389 1389  The uplink screen shot is:
1390 -)))
1391 1391  
1392 -(((
1393 1393  [[image:1654134704555-320.png]]
1394 -)))
1395 1395  
1396 -(((
1397 -
1398 -)))
1399 1399  
1400 -* (((
1401 -**Downlink Payload:**
1402 -)))
1199 +* **Downlink Payload:**
1403 1403  
1404 -(((
1405 1405  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1406 -)))
1407 1407  
1408 1408  
1409 1409  
... ... @@ -1410,59 +1410,44 @@
1410 1410  
1411 1411  ==== **Set Serial Communication Parameters** ====
1412 1412  
1413 -(((
1414 1414  Set the Rs485 serial communication parameters:
1415 -)))
1416 1416  
1417 -* (((
1418 -**AT Command:**
1419 -)))
1210 +* **AT Command:**
1420 1420  
1421 -(((
1422 1422  Set Baud Rate:
1423 -)))
1424 1424  
1425 1425  (% class="box infomessage" %)
1426 1426  (((
1427 -(((
1428 1428  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1217 +)))
1429 1429  
1430 1430  Set UART Parity
1220 +
1221 +(% class="box infomessage" %)
1222 +(((
1431 1431  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1224 +)))
1432 1432  
1433 1433  Set STOPBIT
1434 1434  
1228 +(% class="box infomessage" %)
1229 +(((
1435 1435  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1436 1436  )))
1437 -)))
1438 1438  
1439 1439  
1440 -* (((
1441 -**Downlink Payload:**
1442 -)))
1234 +* **Downlink Payload:**
1443 1443  
1444 -(((
1445 1445  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1446 -)))
1447 1447  
1448 -(((
1449 1449  **Example:**
1450 -)))
1451 1451  
1452 -* (((
1453 -A7 01 00 60   same as AT+BAUDR=9600
1454 -)))
1455 -* (((
1456 -A7 01 04 80  same as AT+BAUDR=115200
1457 -)))
1240 +* A7 01 00 60   same as AT+BAUDR=9600
1241 +* A7 01 04 80  same as AT+BAUDR=115200
1458 1458  
1459 -(((
1460 1460  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1461 -)))
1462 1462  
1463 -(((
1464 1464  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1465 -)))
1466 1466  
1467 1467  
1468 1468  
... ... @@ -1469,121 +1469,67 @@
1469 1469  
1470 1470  ==== **Control output power duration** ====
1471 1471  
1472 -(((
1473 1473  User can set the output power duration before each sampling.
1474 -)))
1475 1475  
1476 -* (((
1477 -**AT Command:**
1478 -)))
1254 +* **AT Command:**
1479 1479  
1480 -(((
1481 1481  **Example:**
1482 -)))
1483 1483  
1484 -(((
1485 1485  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1486 -)))
1487 1487  
1488 -(((
1489 1489  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1490 -)))
1491 1491  
1492 -(((
1493 -
1494 -)))
1495 1495  
1496 -* (((
1497 -**LoRaWAN Downlink Command:**
1498 -)))
1263 +* **LoRaWAN Downlink Command:**
1499 1499  
1500 -(((
1501 1501  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1502 -)))
1503 1503  
1504 -(((
1505 1505  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1506 -)))
1507 1507  
1508 1508  
1509 1509  
1510 1510  == 3.6 Buttons ==
1511 1511  
1512 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1273 +(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1513 1513  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1514 1514  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1515 1515  
1277 +
1278 +
1516 1516  == 3.7 +3V3 Output ==
1517 1517  
1518 -(((
1519 1519  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1520 -)))
1521 1521  
1522 -(((
1523 1523  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. 
1524 -)))
1525 1525  
1526 -(((
1527 1527  The +3V3 output time can be controlled by AT Command.
1528 -)))
1529 1529  
1530 -(((
1531 -
1532 -)))
1533 1533  
1534 -(((
1535 1535  (% style="color:#037691" %)**AT+3V3T=1000**
1536 -)))
1537 1537  
1538 -(((
1539 -
1540 -)))
1541 1541  
1542 -(((
1543 1543  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1544 -)))
1545 1545  
1546 -(((
1547 1547  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1548 -)))
1549 1549  
1550 1550  
1551 1551  == 3.8 +5V Output ==
1552 1552  
1553 -(((
1554 1554  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1555 -)))
1556 1556  
1557 -(((
1558 1558  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. 
1559 -)))
1560 1560  
1561 -(((
1562 1562  The 5V output time can be controlled by AT Command.
1563 -)))
1564 1564  
1565 -(((
1566 -
1567 -)))
1568 1568  
1569 -(((
1570 1570  (% style="color:#037691" %)**AT+5VT=1000**
1571 -)))
1572 1572  
1573 -(((
1574 -
1575 -)))
1576 1576  
1577 -(((
1578 1578  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1579 -)))
1580 1580  
1581 -(((
1582 1582  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.
1583 -)))
1584 1584  
1585 1585  
1586 -
1587 1587  == 3.9 LEDs ==
1588 1588  
1589 1589  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1592,20 +1592,22 @@
1592 1592  
1593 1593  == 3.10 Switch Jumper ==
1594 1594  
1595 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:463px" %)
1596 -|=(% style="width: 123px;" %)**Switch Jumper**|=(% style="width: 336px;" %)**Feature**
1597 -|(% style="width:123px" %)**SW1**|(% style="width:336px" %)ISP position: Upgrade firmware via UART
1321 +(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
1322 +|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature**
1323 +|(% style="width:124px" %)**SW1**|(% style="width:388px" %)(((
1324 +ISP position: Upgrade firmware via UART
1325 +
1598 1598  Flash position: Configure device, check running status.
1599 -|(% style="width:123px" %)**SW2**|(% style="width:336px" %)5V position: set to compatible with 5v I/O.
1327 +)))
1328 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1329 +5V position: set to compatible with 5v I/O.
1330 +
1600 1600  3.3v position: set to compatible with 3.3v I/O.,
1332 +)))
1601 1601  
1602 -(((
1603 1603  **+3.3V**: is always ON
1604 -)))
1605 1605  
1606 -(((
1607 1607  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1608 -)))
1609 1609  
1610 1610  
1611 1611  = 4. Case Study =
... ... @@ -1617,23 +1617,17 @@
1617 1617  
1618 1618  == 5.1 Access AT Command ==
1619 1619  
1620 -(((
1621 1621  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.
1622 -)))
1623 1623  
1624 1624  [[image:1654135840598-282.png]]
1625 1625  
1626 1626  
1627 -(((
1628 1628  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:
1629 -)))
1630 1630  
1631 1631  [[image:1654136105500-922.png]]
1632 1632  
1633 1633  
1634 -(((
1635 1635  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1636 -)))
1637 1637  
1638 1638  
1639 1639  == 5.2 Common AT Command Sequence ==
... ... @@ -1645,14 +1645,20 @@
1645 1645  (% class="box infomessage" %)
1646 1646  (((
1647 1647  **AT+FDR**
1370 +)))
1371 +
1372 +(% class="box infomessage" %)
1373 +(((
1648 1648  **AT+NJM=0**
1375 +)))
1376 +
1377 +(% class="box infomessage" %)
1378 +(((
1649 1649  **ATZ**
1650 1650  )))
1651 1651  
1652 1652  
1653 -(((
1654 1654  If device already joined network:
1655 -)))
1656 1656  
1657 1657  (% class="box infomessage" %)
1658 1658  (((
... ... @@ -1691,12 +1691,10 @@
1691 1691  
1692 1692  (% style="color:red" %)**Note:**
1693 1693  
1694 -(((
1695 1695  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1696 1696  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1697 1697  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.
1698 1698  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
1699 -)))
1700 1700  
1701 1701  [[image:1654136435598-589.png]]
1702 1702  
... ... @@ -1705,23 +1705,13 @@
1705 1705  
1706 1706  == 6.1 How to upgrade the image? ==
1707 1707  
1708 -(((
1709 1709  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1710 -)))
1711 1711  
1712 -* (((
1713 -Support new features
1714 -)))
1715 -* (((
1716 -For bug fix
1717 -)))
1718 -* (((
1719 -Change LoRaWAN bands.
1720 -)))
1436 +* Support new features
1437 +* For bug fix
1438 +* Change LoRaWAN bands.
1721 1721  
1722 -(((
1723 1723  Below shows the hardware connection for how to upload an image to RS485-BL:
1724 -)))
1725 1725  
1726 1726  [[image:1654136646995-976.png]]
1727 1727