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Last modified by Xiaoling on 2025/04/23 15:57
From version 44.7
edited by Xiaoling
on 2022/06/14 10:04
Change comment: There is no comment for this version
To version 41.19
edited by Xiaoling
on 2022/06/06 11:06
Change comment: There is no comment for this version

Summary

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... ... @@ -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);"]]
... ... @@ -204,7 +204,6 @@
204 204  
205 205  [[image:1652953414711-647.png||height="337" width="723"]]
206 206  
207 -
208 208  (((
209 209  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
210 210  )))
... ... @@ -291,28 +291,28 @@
291 291  )))
292 292  
293 293  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
294 -|=(% style="width: 80px;" %)(((
286 +|=(% style="width: 120px;" %)(((
295 295  (((
296 296  **AT Commands**
297 297  )))
298 -)))|=(% style="width: 210px;" %)(((
290 +)))|=(% style="width: 190px;" %)(((
299 299  (((
300 300  **Description**
301 301  )))
302 -)))|=(% style="width: 210px;" %)(((
294 +)))|=(% style="width: 190px;" %)(((
303 303  (((
304 304  **Example**
305 305  )))
306 306  )))
307 -|(% style="width:80px" %)(((
299 +|(% style="width:120px" %)(((
308 308  (((
309 309  AT+BAUDR
310 310  )))
311 -)))|(% style="width:210px" %)(((
303 +)))|(% style="width:190px" %)(((
312 312  (((
313 313  Set the baud rate (for RS485 connection). Default Value is: 9600.
314 314  )))
315 -)))|(% style="width:210px" %)(((
307 +)))|(% style="width:190px" %)(((
316 316  (((
317 317  (((
318 318  AT+BAUDR=9600
... ... @@ -325,11 +325,11 @@
325 325  )))
326 326  )))
327 327  )))
328 -|(% style="width:80px" %)(((
320 +|(% style="width:120px" %)(((
329 329  (((
330 330  AT+PARITY
331 331  )))
332 -)))|(% style="width:210px" %)(((
324 +)))|(% style="width:190px" %)(((
333 333  (((
334 334  (((
335 335  Set UART parity (for RS485 connection)
... ... @@ -341,7 +341,7 @@
341 341  Default Value is: no parity.
342 342  )))
343 343  )))
344 -)))|(% style="width:210px" %)(((
336 +)))|(% style="width:190px" %)(((
345 345  (((
346 346  (((
347 347  AT+PARITY=0
... ... @@ -354,11 +354,11 @@
354 354  )))
355 355  )))
356 356  )))
357 -|(% style="width:80px" %)(((
349 +|(% style="width:120px" %)(((
358 358  (((
359 359  AT+STOPBIT
360 360  )))
361 -)))|(% style="width:210px" %)(((
353 +)))|(% style="width:190px" %)(((
362 362  (((
363 363  (((
364 364  Set serial stopbit (for RS485 connection)
... ... @@ -370,7 +370,7 @@
370 370  Default Value is: 1bit.
371 371  )))
372 372  )))
373 -)))|(% style="width:210px" %)(((
365 +)))|(% style="width:190px" %)(((
374 374  (((
375 375  (((
376 376  AT+STOPBIT=0 for 1bit
... ... @@ -390,6 +390,8 @@
390 390  )))
391 391  )))
392 392  
385 +
386 +
393 393  === 3.3.2 Configure sensors ===
394 394  
395 395  (((
... ... @@ -401,20 +401,14 @@
401 401  )))
402 402  
403 403  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
404 -|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
405 -|AT+CFGDEV|(% style="width:80px" %)(((
406 -(((
398 +|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
399 +|AT+CFGDEV|(% style="width:120px" %)(((
407 407  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
408 -)))
409 409  
410 -(((
411 411  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
412 -)))
413 413  
414 -(((
415 415  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
416 -)))
417 -)))|(% 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
418 418  
419 419  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
420 420  
... ... @@ -914,6 +914,8 @@
914 914  (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
915 915  )))
916 916  
905 +
906 +
917 917  === 3.5.1 Common Commands: ===
918 918  
919 919  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]]
... ... @@ -949,101 +949,53 @@
949 949  
950 950  ==== **RS485 Debug Command (AT+CFGDEV)** ====
951 951  
952 -(((
953 953  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
954 -)))
955 955  
956 -* (((
957 -**AT Command**
958 -)))
944 +* **AT Command**
959 959  
960 960  (% class="box infomessage" %)
961 961  (((
962 -(((
963 963  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
964 964  )))
965 -)))
966 966  
967 -(((
968 968  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
969 -)))
970 970  
971 -(((
972 -
973 -)))
974 974  
975 -* (((
976 -**Downlink Payload**
977 -)))
954 +* **Downlink Payload**
978 978  
979 -(((
980 980  Format: A8 MM NN XX XX XX XX YY
981 -)))
982 982  
983 -(((
984 984  Where:
985 -)))
986 986  
987 -* (((
988 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
989 -)))
990 -* (((
991 -NN: The length of RS485 command
992 -)))
993 -* (((
994 -XX XX XX XX: RS485 command total NN bytes
995 -)))
996 -* (((
997 -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 -)))
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
999 999  
1000 -(((
1001 1001  **Example 1:**
1002 -)))
1003 1003  
1004 -(((
1005 1005  To connect a Modbus Alarm with below commands.
1006 -)))
1007 1007  
1008 -* (((
1009 -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 -)))
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.
1011 1011  
1012 -* (((
1013 -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 -)))
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.
1015 1015  
1016 -(((
1017 1017  So if user want to use downlink command to control to RS485 Alarm, he can use:
1018 -)))
1019 1019  
1020 -(((
1021 1021  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1022 -)))
1023 1023  
1024 -(((
1025 1025  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1026 -)))
1027 1027  
1028 1028  (((
1029 1029  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.
1030 1030  )))
1031 1031  
1032 -(((
1033 -
1034 -)))
1035 1035  
1036 -(((
1037 1037  **Example 2:**
1038 -)))
1039 1039  
1040 -(((
1041 1041  Check TTL Sensor return:
1042 -)))
1043 1043  
1044 -(((
1045 1045  [[image:1654132684752-193.png]]
1046 -)))
1047 1047  
1048 1048  
1049 1049  
... ... @@ -1072,121 +1072,62 @@
1072 1072  
1073 1073  ==== **Set RS485 Sampling Commands** ====
1074 1074  
1075 -(((
1076 1076  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1077 -)))
1078 1078  
1079 -(((
1080 1080  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"]].
1081 -)))
1082 1082  
1083 -(((
1084 -
1085 -)))
1086 1086  
1087 -* (((
1088 -**AT Command:**
1089 -)))
1022 +* **AT Command:**
1090 1090  
1091 1091  (% class="box infomessage" %)
1092 1092  (((
1093 -(((
1094 1094  **AT+COMMANDx: Configure RS485 read command to sensor.**
1095 1095  )))
1096 -)))
1097 1097  
1098 1098  (% class="box infomessage" %)
1099 1099  (((
1100 -(((
1101 1101  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1102 1102  )))
1103 -)))
1104 1104  
1105 1105  (% class="box infomessage" %)
1106 1106  (((
1107 -(((
1108 1108  **AT+SEARCHx: Configure search command**
1109 1109  )))
1110 -)))
1111 1111  
1112 -(((
1113 -
1114 -)))
1115 1115  
1116 -* (((
1117 -**Downlink Payload:**
1118 -)))
1040 +* **Downlink Payload:**
1119 1119  
1120 -(((
1121 1121  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1122 -)))
1123 1123  
1124 -(((
1125 1125  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1126 -)))
1127 1127  
1128 -(((
1129 1129  Format: AF MM NN LL XX XX XX XX YY
1130 -)))
1131 1131  
1132 -(((
1133 1133  Where:
1134 -)))
1135 1135  
1136 -* (((
1137 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1138 -)))
1139 -* (((
1140 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1141 -)))
1142 -* (((
1143 -LL:  The length of AT+COMMAND or AT+DATACUT command
1144 -)))
1145 -* (((
1146 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
1147 -)))
1148 -* (((
1149 -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 -)))
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.
1151 1151  
1152 -(((
1153 1153  **Example:**
1154 -)))
1155 1155  
1156 -(((
1157 1157  (% 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
1158 -)))
1159 1159  
1160 -(((
1161 1161  (% 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**
1162 -)))
1163 1163  
1164 -(((
1165 1165  (% 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**
1166 -)))
1167 1167  
1168 -(((
1169 -
1170 -)))
1171 1171  
1172 -(((
1173 1173  **0xAB** downlink command can be used for set AT+SEARCHx
1174 -)))
1175 1175  
1176 -(((
1177 1177  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1178 -)))
1179 1179  
1180 -* (((
1181 -AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1182 -)))
1183 -* (((
1184 -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 -)))
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
1186 1186  
1187 -(((
1188 1188  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1189 -)))
1190 1190  
1191 1191  
1192 1192  
... ... @@ -1193,47 +1193,24 @@
1193 1193  
1194 1194  ==== **Fast command to handle MODBUS device** ====
1195 1195  
1196 -(((
1197 1197  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]].
1198 -)))
1199 1199  
1200 -(((
1201 1201  This command is valid since v1.3 firmware version
1202 -)))
1203 1203  
1204 -(((
1205 -
1206 -)))
1207 1207  
1208 -(((
1209 1209  **AT+MBFUN has only two value:**
1210 -)))
1211 1211  
1212 -* (((
1213 -**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1214 -)))
1086 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1215 1215  
1216 -(((
1217 1217  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.
1218 -)))
1219 1219  
1220 -* (((
1221 -**AT+MBFUN=0**: Disable Modbus fast reading.
1222 -)))
1090 +* **AT+MBFUN=0**: Disable Modbus fast reading.
1223 1223  
1224 -(((
1225 1225  **Example:**
1226 -)))
1227 1227  
1228 -* (((
1229 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1230 -)))
1231 -* (((
1232 -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.
1233 -)))
1234 -* (((
1235 -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 -)))
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.
1237 1237  
1238 1238  [[image:1654133913295-597.png]]
1239 1239  
... ... @@ -1241,13 +1241,9 @@
1241 1241  [[image:1654133954153-643.png]]
1242 1242  
1243 1243  
1244 -* (((
1245 -**Downlink Commands:**
1246 -)))
1104 +* **Downlink Commands:**
1247 1247  
1248 -(((
1249 1249  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1250 -)))
1251 1251  
1252 1252  
1253 1253  
... ... @@ -1254,60 +1254,32 @@
1254 1254  
1255 1255  ==== **RS485 command timeout** ====
1256 1256  
1257 -(((
1258 1258  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.
1259 -)))
1260 1260  
1261 -(((
1262 1262  Default value: 0, range:  0 ~~ 5 seconds
1263 -)))
1264 1264  
1265 -(((
1266 -
1267 -)))
1268 1268  
1269 -* (((
1270 -**AT Command:**
1271 -)))
1118 +* **AT Command:**
1272 1272  
1273 1273  (% class="box infomessage" %)
1274 1274  (((
1275 -(((
1276 1276  **AT+CMDDLaa=hex(bb cc)**
1277 1277  )))
1278 -)))
1279 1279  
1280 -(((
1281 1281  **Example:**
1282 -)))
1283 1283  
1284 -(((
1285 1285  **AT+CMDDL1=1000** to send the open time to 1000ms
1286 -)))
1287 1287  
1288 -(((
1289 -
1290 -)))
1291 1291  
1292 -* (((
1293 -**Downlink Payload:**
1294 -)))
1130 +* **Downlink Payload:**
1295 1295  
1296 -(((
1297 1297  0x AA aa bb cc
1298 -)))
1299 1299  
1300 -(((
1301 1301  Same as: AT+CMDDLaa=hex(bb cc)
1302 -)))
1303 1303  
1304 -(((
1305 1305   **Example:**
1306 -)))
1307 1307  
1308 -(((
1309 1309   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1310 -)))
1311 1311  
1312 1312  
1313 1313  
... ... @@ -1314,47 +1314,28 @@
1314 1314  
1315 1315  ==== **Uplink payload mode** ====
1316 1316  
1317 -(((
1318 1318  Define to use one uplink or multiple uplinks for the sampling.
1319 -)))
1320 1320  
1321 -(((
1322 1322  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1323 -)))
1324 1324  
1325 -* (((
1326 -**AT Command:**
1327 -)))
1149 +* **AT Command:**
1328 1328  
1329 1329  (% class="box infomessage" %)
1330 1330  (((
1331 -(((
1332 1332  **AT+DATAUP=0**
1333 1333  )))
1334 -)))
1335 1335  
1336 1336  (% class="box infomessage" %)
1337 1337  (((
1338 -(((
1339 1339  **AT+DATAUP=1**
1340 1340  )))
1341 -)))
1342 1342  
1343 -(((
1344 -
1345 -)))
1346 1346  
1347 -* (((
1348 -**Downlink Payload:**
1349 -)))
1162 +* **Downlink Payload:**
1350 1350  
1351 -(((
1352 1352  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1353 -)))
1354 1354  
1355 -(((
1356 1356  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1357 -)))
1358 1358  
1359 1359  
1360 1360  
... ... @@ -1372,49 +1372,26 @@
1372 1372  
1373 1373  ==== **Clear RS485 Command** ====
1374 1374  
1375 -(((
1376 1376  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1377 -)))
1378 1378  
1379 -(((
1380 -
1381 -)))
1382 1382  
1383 -* (((
1384 -**AT Command:**
1385 -)))
1187 +* **AT Command:**
1386 1386  
1387 1387  (((
1388 1388  (% 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
1389 1389  )))
1390 1390  
1391 -(((
1392 1392  Example screen shot after clear all RS485 commands. 
1393 -)))
1394 1394  
1395 -(((
1396 -
1397 -)))
1398 1398  
1399 -(((
1400 1400  The uplink screen shot is:
1401 -)))
1402 1402  
1403 -(((
1404 1404  [[image:1654134704555-320.png]]
1405 -)))
1406 1406  
1407 -(((
1408 -
1409 -)))
1410 1410  
1411 -* (((
1412 -**Downlink Payload:**
1413 -)))
1201 +* **Downlink Payload:**
1414 1414  
1415 -(((
1416 1416  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1417 -)))
1418 1418  
1419 1419  
1420 1420  
... ... @@ -1421,59 +1421,44 @@
1421 1421  
1422 1422  ==== **Set Serial Communication Parameters** ====
1423 1423  
1424 -(((
1425 1425  Set the Rs485 serial communication parameters:
1426 -)))
1427 1427  
1428 -* (((
1429 -**AT Command:**
1430 -)))
1212 +* **AT Command:**
1431 1431  
1432 -(((
1433 1433  Set Baud Rate:
1434 -)))
1435 1435  
1436 1436  (% class="box infomessage" %)
1437 1437  (((
1438 -(((
1439 1439  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1219 +)))
1440 1440  
1441 1441  Set UART Parity
1222 +
1223 +(% class="box infomessage" %)
1224 +(((
1442 1442  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1226 +)))
1443 1443  
1444 1444  Set STOPBIT
1445 1445  
1230 +(% class="box infomessage" %)
1231 +(((
1446 1446  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1447 1447  )))
1448 -)))
1449 1449  
1450 1450  
1451 -* (((
1452 -**Downlink Payload:**
1453 -)))
1236 +* **Downlink Payload:**
1454 1454  
1455 -(((
1456 1456  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1457 -)))
1458 1458  
1459 -(((
1460 1460  **Example:**
1461 -)))
1462 1462  
1463 -* (((
1464 -A7 01 00 60   same as AT+BAUDR=9600
1465 -)))
1466 -* (((
1467 -A7 01 04 80  same as AT+BAUDR=115200
1468 -)))
1242 +* A7 01 00 60   same as AT+BAUDR=9600
1243 +* A7 01 04 80  same as AT+BAUDR=115200
1469 1469  
1470 -(((
1471 1471  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1472 -)))
1473 1473  
1474 -(((
1475 1475  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1476 -)))
1477 1477  
1478 1478  
1479 1479  
... ... @@ -1480,121 +1480,67 @@
1480 1480  
1481 1481  ==== **Control output power duration** ====
1482 1482  
1483 -(((
1484 1484  User can set the output power duration before each sampling.
1485 -)))
1486 1486  
1487 -* (((
1488 -**AT Command:**
1489 -)))
1256 +* **AT Command:**
1490 1490  
1491 -(((
1492 1492  **Example:**
1493 -)))
1494 1494  
1495 -(((
1496 1496  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1497 -)))
1498 1498  
1499 -(((
1500 1500  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1501 -)))
1502 1502  
1503 -(((
1504 -
1505 -)))
1506 1506  
1507 -* (((
1508 -**LoRaWAN Downlink Command:**
1509 -)))
1265 +* **LoRaWAN Downlink Command:**
1510 1510  
1511 -(((
1512 1512  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1513 -)))
1514 1514  
1515 -(((
1516 1516  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1517 -)))
1518 1518  
1519 1519  
1520 1520  
1521 1521  == 3.6 Buttons ==
1522 1522  
1523 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1275 +(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1524 1524  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1525 1525  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1526 1526  
1279 +
1280 +
1527 1527  == 3.7 +3V3 Output ==
1528 1528  
1529 -(((
1530 1530  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1531 -)))
1532 1532  
1533 -(((
1534 1534  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. 
1535 -)))
1536 1536  
1537 -(((
1538 1538  The +3V3 output time can be controlled by AT Command.
1539 -)))
1540 1540  
1541 -(((
1542 -
1543 -)))
1544 1544  
1545 -(((
1546 1546  (% style="color:#037691" %)**AT+3V3T=1000**
1547 -)))
1548 1548  
1549 -(((
1550 -
1551 -)))
1552 1552  
1553 -(((
1554 1554  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1555 -)))
1556 1556  
1557 -(((
1558 1558  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1559 -)))
1560 1560  
1561 1561  
1562 1562  == 3.8 +5V Output ==
1563 1563  
1564 -(((
1565 1565  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1566 -)))
1567 1567  
1568 -(((
1569 1569  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. 
1570 -)))
1571 1571  
1572 -(((
1573 1573  The 5V output time can be controlled by AT Command.
1574 -)))
1575 1575  
1576 -(((
1577 -
1578 -)))
1579 1579  
1580 -(((
1581 1581  (% style="color:#037691" %)**AT+5VT=1000**
1582 -)))
1583 1583  
1584 -(((
1585 -
1586 -)))
1587 1587  
1588 -(((
1589 1589  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1590 -)))
1591 1591  
1592 -(((
1593 1593  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.
1594 -)))
1595 1595  
1596 1596  
1597 -
1598 1598  == 3.9 LEDs ==
1599 1599  
1600 1600  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1603,20 +1603,22 @@
1603 1603  
1604 1604  == 3.10 Switch Jumper ==
1605 1605  
1606 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:463px" %)
1607 -|=(% style="width: 123px;" %)**Switch Jumper**|=(% style="width: 336px;" %)**Feature**
1608 -|(% 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 +
1609 1609  Flash position: Configure device, check running status.
1610 -|(% 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 +
1611 1611  3.3v position: set to compatible with 3.3v I/O.,
1334 +)))
1612 1612  
1613 -(((
1614 1614  **+3.3V**: is always ON
1615 -)))
1616 1616  
1617 -(((
1618 1618  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1619 -)))
1620 1620  
1621 1621  
1622 1622  = 4. Case Study =
... ... @@ -1628,23 +1628,17 @@
1628 1628  
1629 1629  == 5.1 Access AT Command ==
1630 1630  
1631 -(((
1632 1632  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.
1633 -)))
1634 1634  
1635 1635  [[image:1654135840598-282.png]]
1636 1636  
1637 1637  
1638 -(((
1639 1639  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:
1640 -)))
1641 1641  
1642 1642  [[image:1654136105500-922.png]]
1643 1643  
1644 1644  
1645 -(((
1646 1646  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1647 -)))
1648 1648  
1649 1649  
1650 1650  == 5.2 Common AT Command Sequence ==
... ... @@ -1656,14 +1656,20 @@
1656 1656  (% class="box infomessage" %)
1657 1657  (((
1658 1658  **AT+FDR**
1372 +)))
1373 +
1374 +(% class="box infomessage" %)
1375 +(((
1659 1659  **AT+NJM=0**
1377 +)))
1378 +
1379 +(% class="box infomessage" %)
1380 +(((
1660 1660  **ATZ**
1661 1661  )))
1662 1662  
1663 1663  
1664 -(((
1665 1665  If device already joined network:
1666 -)))
1667 1667  
1668 1668  (% class="box infomessage" %)
1669 1669  (((
... ... @@ -1702,12 +1702,10 @@
1702 1702  
1703 1703  (% style="color:red" %)**Note:**
1704 1704  
1705 -(((
1706 1706  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1707 1707  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1708 1708  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.
1709 1709  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
1710 -)))
1711 1711  
1712 1712  [[image:1654136435598-589.png]]
1713 1713  
... ... @@ -1716,23 +1716,13 @@
1716 1716  
1717 1717  == 6.1 How to upgrade the image? ==
1718 1718  
1719 -(((
1720 1720  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1721 -)))
1722 1722  
1723 -* (((
1724 -Support new features
1725 -)))
1726 -* (((
1727 -For bug fix
1728 -)))
1729 -* (((
1730 -Change LoRaWAN bands.
1731 -)))
1438 +* Support new features
1439 +* For bug fix
1440 +* Change LoRaWAN bands.
1732 1732  
1733 -(((
1734 1734  Below shows the hardware connection for how to upload an image to RS485-BL:
1735 -)))
1736 1736  
1737 1737  [[image:1654136646995-976.png]]
1738 1738