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Last modified by Xiaoling on 2025/04/23 15:57
From version 44.9
edited by Xiaoling
on 2022/06/14 10:04
Change comment: There is no comment for this version
To version 41.18
edited by Xiaoling
on 2022/06/06 11:05
Change comment: There is no comment for this version

Summary

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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);"]]
... ... @@ -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  )))
... ... @@ -223,13 +223,12 @@
223 223  
224 224  [[image:1652953462722-299.png]]
225 225  
226 -
227 227  (((
228 228  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
229 229  )))
230 230  
231 231  (((
232 -**Add APP EUI in the application.**
223 +Add APP EUI in the application.
233 233  )))
234 234  
235 235  
... ... @@ -241,7 +241,6 @@
241 241  
242 242  [[image:image-20220519174512-4.png]]
243 243  
244 -
245 245  You can also choose to create the device manually.
246 246  
247 247  [[image:1652953542269-423.png||height="710" width="723"]]
... ... @@ -293,28 +293,28 @@
293 293  )))
294 294  
295 295  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
296 -|=(% style="width: 80px;" %)(((
286 +|=(% style="width: 120px;" %)(((
297 297  (((
298 298  **AT Commands**
299 299  )))
300 -)))|=(% style="width: 210px;" %)(((
290 +)))|=(% style="width: 190px;" %)(((
301 301  (((
302 302  **Description**
303 303  )))
304 -)))|=(% style="width: 210px;" %)(((
294 +)))|=(% style="width: 190px;" %)(((
305 305  (((
306 306  **Example**
307 307  )))
308 308  )))
309 -|(% style="width:80px" %)(((
299 +|(% style="width:120px" %)(((
310 310  (((
311 311  AT+BAUDR
312 312  )))
313 -)))|(% style="width:210px" %)(((
303 +)))|(% style="width:190px" %)(((
314 314  (((
315 315  Set the baud rate (for RS485 connection). Default Value is: 9600.
316 316  )))
317 -)))|(% style="width:210px" %)(((
307 +)))|(% style="width:190px" %)(((
318 318  (((
319 319  (((
320 320  AT+BAUDR=9600
... ... @@ -327,11 +327,11 @@
327 327  )))
328 328  )))
329 329  )))
330 -|(% style="width:80px" %)(((
320 +|(% style="width:120px" %)(((
331 331  (((
332 332  AT+PARITY
333 333  )))
334 -)))|(% style="width:210px" %)(((
324 +)))|(% style="width:190px" %)(((
335 335  (((
336 336  (((
337 337  Set UART parity (for RS485 connection)
... ... @@ -343,7 +343,7 @@
343 343  Default Value is: no parity.
344 344  )))
345 345  )))
346 -)))|(% style="width:210px" %)(((
336 +)))|(% style="width:190px" %)(((
347 347  (((
348 348  (((
349 349  AT+PARITY=0
... ... @@ -356,11 +356,11 @@
356 356  )))
357 357  )))
358 358  )))
359 -|(% style="width:80px" %)(((
349 +|(% style="width:120px" %)(((
360 360  (((
361 361  AT+STOPBIT
362 362  )))
363 -)))|(% style="width:210px" %)(((
353 +)))|(% style="width:190px" %)(((
364 364  (((
365 365  (((
366 366  Set serial stopbit (for RS485 connection)
... ... @@ -372,7 +372,7 @@
372 372  Default Value is: 1bit.
373 373  )))
374 374  )))
375 -)))|(% style="width:210px" %)(((
365 +)))|(% style="width:190px" %)(((
376 376  (((
377 377  (((
378 378  AT+STOPBIT=0 for 1bit
... ... @@ -392,6 +392,8 @@
392 392  )))
393 393  )))
394 394  
385 +
386 +
395 395  === 3.3.2 Configure sensors ===
396 396  
397 397  (((
... ... @@ -403,20 +403,14 @@
403 403  )))
404 404  
405 405  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
406 -|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
407 -|AT+CFGDEV|(% style="width:80px" %)(((
408 -(((
398 +|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
399 +|AT+CFGDEV|(% style="width:120px" %)(((
409 409  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
410 -)))
411 411  
412 -(((
413 413  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
414 -)))
415 415  
416 -(((
417 417  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
418 -)))
419 -)))|(% 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
420 420  
421 421  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
422 422  
... ... @@ -916,6 +916,8 @@
916 916  (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
917 917  )))
918 918  
905 +
906 +
919 919  === 3.5.1 Common Commands: ===
920 920  
921 921  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]]
... ... @@ -951,101 +951,53 @@
951 951  
952 952  ==== **RS485 Debug Command (AT+CFGDEV)** ====
953 953  
954 -(((
955 955  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
956 -)))
957 957  
958 -* (((
959 -**AT Command**
960 -)))
944 +* **AT Command**
961 961  
962 962  (% class="box infomessage" %)
963 963  (((
964 -(((
965 965  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
966 966  )))
967 -)))
968 968  
969 -(((
970 970  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
971 -)))
972 972  
973 -(((
974 -
975 -)))
976 976  
977 -* (((
978 -**Downlink Payload**
979 -)))
954 +* **Downlink Payload**
980 980  
981 -(((
982 982  Format: A8 MM NN XX XX XX XX YY
983 -)))
984 984  
985 -(((
986 986  Where:
987 -)))
988 988  
989 -* (((
990 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
991 -)))
992 -* (((
993 -NN: The length of RS485 command
994 -)))
995 -* (((
996 -XX XX XX XX: RS485 command total NN bytes
997 -)))
998 -* (((
999 -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
1000 -)))
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
1001 1001  
1002 -(((
1003 1003  **Example 1:**
1004 -)))
1005 1005  
1006 -(((
1007 1007  To connect a Modbus Alarm with below commands.
1008 -)))
1009 1009  
1010 -* (((
1011 -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.
1012 -)))
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.
1013 1013  
1014 -* (((
1015 -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.
1016 -)))
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.
1017 1017  
1018 -(((
1019 1019  So if user want to use downlink command to control to RS485 Alarm, he can use:
1020 -)))
1021 1021  
1022 -(((
1023 1023  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1024 -)))
1025 1025  
1026 -(((
1027 1027  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1028 -)))
1029 1029  
1030 1030  (((
1031 1031  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.
1032 1032  )))
1033 1033  
1034 -(((
1035 -
1036 -)))
1037 1037  
1038 -(((
1039 1039  **Example 2:**
1040 -)))
1041 1041  
1042 -(((
1043 1043  Check TTL Sensor return:
1044 -)))
1045 1045  
1046 -(((
1047 1047  [[image:1654132684752-193.png]]
1048 -)))
1049 1049  
1050 1050  
1051 1051  
... ... @@ -1074,121 +1074,62 @@
1074 1074  
1075 1075  ==== **Set RS485 Sampling Commands** ====
1076 1076  
1077 -(((
1078 1078  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1079 -)))
1080 1080  
1081 -(((
1082 1082  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"]].
1083 -)))
1084 1084  
1085 -(((
1086 -
1087 -)))
1088 1088  
1089 -* (((
1090 -**AT Command:**
1091 -)))
1022 +* **AT Command:**
1092 1092  
1093 1093  (% class="box infomessage" %)
1094 1094  (((
1095 -(((
1096 1096  **AT+COMMANDx: Configure RS485 read command to sensor.**
1097 1097  )))
1098 -)))
1099 1099  
1100 1100  (% class="box infomessage" %)
1101 1101  (((
1102 -(((
1103 1103  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1104 1104  )))
1105 -)))
1106 1106  
1107 1107  (% class="box infomessage" %)
1108 1108  (((
1109 -(((
1110 1110  **AT+SEARCHx: Configure search command**
1111 1111  )))
1112 -)))
1113 1113  
1114 -(((
1115 -
1116 -)))
1117 1117  
1118 -* (((
1119 -**Downlink Payload:**
1120 -)))
1040 +* **Downlink Payload:**
1121 1121  
1122 -(((
1123 1123  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1124 -)))
1125 1125  
1126 -(((
1127 1127  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1128 -)))
1129 1129  
1130 -(((
1131 1131  Format: AF MM NN LL XX XX XX XX YY
1132 -)))
1133 1133  
1134 -(((
1135 1135  Where:
1136 -)))
1137 1137  
1138 -* (((
1139 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1140 -)))
1141 -* (((
1142 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1143 -)))
1144 -* (((
1145 -LL:  The length of AT+COMMAND or AT+DATACUT command
1146 -)))
1147 -* (((
1148 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
1149 -)))
1150 -* (((
1151 -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.
1152 -)))
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.
1153 1153  
1154 -(((
1155 1155  **Example:**
1156 -)))
1157 1157  
1158 -(((
1159 1159  (% 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
1160 -)))
1161 1161  
1162 -(((
1163 1163  (% 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**
1164 -)))
1165 1165  
1166 -(((
1167 1167  (% 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**
1168 -)))
1169 1169  
1170 -(((
1171 -
1172 -)))
1173 1173  
1174 -(((
1175 1175  **0xAB** downlink command can be used for set AT+SEARCHx
1176 -)))
1177 1177  
1178 -(((
1179 1179  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1180 -)))
1181 1181  
1182 -* (((
1183 -AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1184 -)))
1185 -* (((
1186 -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
1187 -)))
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
1188 1188  
1189 -(((
1190 1190  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1191 -)))
1192 1192  
1193 1193  
1194 1194  
... ... @@ -1195,47 +1195,24 @@
1195 1195  
1196 1196  ==== **Fast command to handle MODBUS device** ====
1197 1197  
1198 -(((
1199 1199  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]].
1200 -)))
1201 1201  
1202 -(((
1203 1203  This command is valid since v1.3 firmware version
1204 -)))
1205 1205  
1206 -(((
1207 -
1208 -)))
1209 1209  
1210 -(((
1211 1211  **AT+MBFUN has only two value:**
1212 -)))
1213 1213  
1214 -* (((
1215 -**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1216 -)))
1086 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1217 1217  
1218 -(((
1219 1219  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.
1220 -)))
1221 1221  
1222 -* (((
1223 -**AT+MBFUN=0**: Disable Modbus fast reading.
1224 -)))
1090 +* **AT+MBFUN=0**: Disable Modbus fast reading.
1225 1225  
1226 -(((
1227 1227  **Example:**
1228 -)))
1229 1229  
1230 -* (((
1231 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1232 -)))
1233 -* (((
1234 -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.
1235 -)))
1236 -* (((
1237 -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.
1238 -)))
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.
1239 1239  
1240 1240  [[image:1654133913295-597.png]]
1241 1241  
... ... @@ -1243,13 +1243,9 @@
1243 1243  [[image:1654133954153-643.png]]
1244 1244  
1245 1245  
1246 -* (((
1247 -**Downlink Commands:**
1248 -)))
1104 +* **Downlink Commands:**
1249 1249  
1250 -(((
1251 1251  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1252 -)))
1253 1253  
1254 1254  
1255 1255  
... ... @@ -1256,60 +1256,32 @@
1256 1256  
1257 1257  ==== **RS485 command timeout** ====
1258 1258  
1259 -(((
1260 1260  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.
1261 -)))
1262 1262  
1263 -(((
1264 1264  Default value: 0, range:  0 ~~ 5 seconds
1265 -)))
1266 1266  
1267 -(((
1268 -
1269 -)))
1270 1270  
1271 -* (((
1272 -**AT Command:**
1273 -)))
1118 +* **AT Command:**
1274 1274  
1275 1275  (% class="box infomessage" %)
1276 1276  (((
1277 -(((
1278 1278  **AT+CMDDLaa=hex(bb cc)**
1279 1279  )))
1280 -)))
1281 1281  
1282 -(((
1283 1283  **Example:**
1284 -)))
1285 1285  
1286 -(((
1287 1287  **AT+CMDDL1=1000** to send the open time to 1000ms
1288 -)))
1289 1289  
1290 -(((
1291 -
1292 -)))
1293 1293  
1294 -* (((
1295 -**Downlink Payload:**
1296 -)))
1130 +* **Downlink Payload:**
1297 1297  
1298 -(((
1299 1299  0x AA aa bb cc
1300 -)))
1301 1301  
1302 -(((
1303 1303  Same as: AT+CMDDLaa=hex(bb cc)
1304 -)))
1305 1305  
1306 -(((
1307 1307   **Example:**
1308 -)))
1309 1309  
1310 -(((
1311 1311   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1312 -)))
1313 1313  
1314 1314  
1315 1315  
... ... @@ -1316,47 +1316,28 @@
1316 1316  
1317 1317  ==== **Uplink payload mode** ====
1318 1318  
1319 -(((
1320 1320  Define to use one uplink or multiple uplinks for the sampling.
1321 -)))
1322 1322  
1323 -(((
1324 1324  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1325 -)))
1326 1326  
1327 -* (((
1328 -**AT Command:**
1329 -)))
1149 +* **AT Command:**
1330 1330  
1331 1331  (% class="box infomessage" %)
1332 1332  (((
1333 -(((
1334 1334  **AT+DATAUP=0**
1335 1335  )))
1336 -)))
1337 1337  
1338 1338  (% class="box infomessage" %)
1339 1339  (((
1340 -(((
1341 1341  **AT+DATAUP=1**
1342 1342  )))
1343 -)))
1344 1344  
1345 -(((
1346 -
1347 -)))
1348 1348  
1349 -* (((
1350 -**Downlink Payload:**
1351 -)))
1162 +* **Downlink Payload:**
1352 1352  
1353 -(((
1354 1354  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1355 -)))
1356 1356  
1357 -(((
1358 1358  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1359 -)))
1360 1360  
1361 1361  
1362 1362  
... ... @@ -1374,49 +1374,26 @@
1374 1374  
1375 1375  ==== **Clear RS485 Command** ====
1376 1376  
1377 -(((
1378 1378  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1379 -)))
1380 1380  
1381 -(((
1382 -
1383 -)))
1384 1384  
1385 -* (((
1386 -**AT Command:**
1387 -)))
1187 +* **AT Command:**
1388 1388  
1389 1389  (((
1390 1390  (% 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
1391 1391  )))
1392 1392  
1393 -(((
1394 1394  Example screen shot after clear all RS485 commands. 
1395 -)))
1396 1396  
1397 -(((
1398 -
1399 -)))
1400 1400  
1401 -(((
1402 1402  The uplink screen shot is:
1403 -)))
1404 1404  
1405 -(((
1406 1406  [[image:1654134704555-320.png]]
1407 -)))
1408 1408  
1409 -(((
1410 -
1411 -)))
1412 1412  
1413 -* (((
1414 -**Downlink Payload:**
1415 -)))
1201 +* **Downlink Payload:**
1416 1416  
1417 -(((
1418 1418  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1419 -)))
1420 1420  
1421 1421  
1422 1422  
... ... @@ -1423,59 +1423,44 @@
1423 1423  
1424 1424  ==== **Set Serial Communication Parameters** ====
1425 1425  
1426 -(((
1427 1427  Set the Rs485 serial communication parameters:
1428 -)))
1429 1429  
1430 -* (((
1431 -**AT Command:**
1432 -)))
1212 +* **AT Command:**
1433 1433  
1434 -(((
1435 1435  Set Baud Rate:
1436 -)))
1437 1437  
1438 1438  (% class="box infomessage" %)
1439 1439  (((
1440 -(((
1441 1441  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1219 +)))
1442 1442  
1443 1443  Set UART Parity
1222 +
1223 +(% class="box infomessage" %)
1224 +(((
1444 1444  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1226 +)))
1445 1445  
1446 1446  Set STOPBIT
1447 1447  
1230 +(% class="box infomessage" %)
1231 +(((
1448 1448  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1449 1449  )))
1450 -)))
1451 1451  
1452 1452  
1453 -* (((
1454 -**Downlink Payload:**
1455 -)))
1236 +* **Downlink Payload:**
1456 1456  
1457 -(((
1458 1458  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1459 -)))
1460 1460  
1461 -(((
1462 1462  **Example:**
1463 -)))
1464 1464  
1465 -* (((
1466 -A7 01 00 60   same as AT+BAUDR=9600
1467 -)))
1468 -* (((
1469 -A7 01 04 80  same as AT+BAUDR=115200
1470 -)))
1242 +* A7 01 00 60   same as AT+BAUDR=9600
1243 +* A7 01 04 80  same as AT+BAUDR=115200
1471 1471  
1472 -(((
1473 1473  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1474 -)))
1475 1475  
1476 -(((
1477 1477  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1478 -)))
1479 1479  
1480 1480  
1481 1481  
... ... @@ -1482,121 +1482,67 @@
1482 1482  
1483 1483  ==== **Control output power duration** ====
1484 1484  
1485 -(((
1486 1486  User can set the output power duration before each sampling.
1487 -)))
1488 1488  
1489 -* (((
1490 -**AT Command:**
1491 -)))
1256 +* **AT Command:**
1492 1492  
1493 -(((
1494 1494  **Example:**
1495 -)))
1496 1496  
1497 -(((
1498 1498  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1499 -)))
1500 1500  
1501 -(((
1502 1502  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1503 -)))
1504 1504  
1505 -(((
1506 -
1507 -)))
1508 1508  
1509 -* (((
1510 -**LoRaWAN Downlink Command:**
1511 -)))
1265 +* **LoRaWAN Downlink Command:**
1512 1512  
1513 -(((
1514 1514  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1515 -)))
1516 1516  
1517 -(((
1518 1518  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1519 -)))
1520 1520  
1521 1521  
1522 1522  
1523 1523  == 3.6 Buttons ==
1524 1524  
1525 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1275 +(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1526 1526  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1527 1527  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1528 1528  
1279 +
1280 +
1529 1529  == 3.7 +3V3 Output ==
1530 1530  
1531 -(((
1532 1532  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1533 -)))
1534 1534  
1535 -(((
1536 1536  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. 
1537 -)))
1538 1538  
1539 -(((
1540 1540  The +3V3 output time can be controlled by AT Command.
1541 -)))
1542 1542  
1543 -(((
1544 -
1545 -)))
1546 1546  
1547 -(((
1548 1548  (% style="color:#037691" %)**AT+3V3T=1000**
1549 -)))
1550 1550  
1551 -(((
1552 -
1553 -)))
1554 1554  
1555 -(((
1556 1556  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1557 -)))
1558 1558  
1559 -(((
1560 1560  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1561 -)))
1562 1562  
1563 1563  
1564 1564  == 3.8 +5V Output ==
1565 1565  
1566 -(((
1567 1567  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1568 -)))
1569 1569  
1570 -(((
1571 1571  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. 
1572 -)))
1573 1573  
1574 -(((
1575 1575  The 5V output time can be controlled by AT Command.
1576 -)))
1577 1577  
1578 -(((
1579 -
1580 -)))
1581 1581  
1582 -(((
1583 1583  (% style="color:#037691" %)**AT+5VT=1000**
1584 -)))
1585 1585  
1586 -(((
1587 -
1588 -)))
1589 1589  
1590 -(((
1591 1591  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1592 -)))
1593 1593  
1594 -(((
1595 1595  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.
1596 -)))
1597 1597  
1598 1598  
1599 -
1600 1600  == 3.9 LEDs ==
1601 1601  
1602 1602  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1605,20 +1605,22 @@
1605 1605  
1606 1606  == 3.10 Switch Jumper ==
1607 1607  
1608 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:463px" %)
1609 -|=(% style="width: 123px;" %)**Switch Jumper**|=(% style="width: 336px;" %)**Feature**
1610 -|(% 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 +
1611 1611  Flash position: Configure device, check running status.
1612 -|(% 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 +
1613 1613  3.3v position: set to compatible with 3.3v I/O.,
1334 +)))
1614 1614  
1615 -(((
1616 1616  **+3.3V**: is always ON
1617 -)))
1618 1618  
1619 -(((
1620 1620  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1621 -)))
1622 1622  
1623 1623  
1624 1624  = 4. Case Study =
... ... @@ -1630,23 +1630,17 @@
1630 1630  
1631 1631  == 5.1 Access AT Command ==
1632 1632  
1633 -(((
1634 1634  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.
1635 -)))
1636 1636  
1637 1637  [[image:1654135840598-282.png]]
1638 1638  
1639 1639  
1640 -(((
1641 1641  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:
1642 -)))
1643 1643  
1644 1644  [[image:1654136105500-922.png]]
1645 1645  
1646 1646  
1647 -(((
1648 1648  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1649 -)))
1650 1650  
1651 1651  
1652 1652  == 5.2 Common AT Command Sequence ==
... ... @@ -1658,14 +1658,20 @@
1658 1658  (% class="box infomessage" %)
1659 1659  (((
1660 1660  **AT+FDR**
1372 +)))
1373 +
1374 +(% class="box infomessage" %)
1375 +(((
1661 1661  **AT+NJM=0**
1377 +)))
1378 +
1379 +(% class="box infomessage" %)
1380 +(((
1662 1662  **ATZ**
1663 1663  )))
1664 1664  
1665 1665  
1666 -(((
1667 1667  If device already joined network:
1668 -)))
1669 1669  
1670 1670  (% class="box infomessage" %)
1671 1671  (((
... ... @@ -1704,12 +1704,10 @@
1704 1704  
1705 1705  (% style="color:red" %)**Note:**
1706 1706  
1707 -(((
1708 1708  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1709 1709  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1710 1710  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.
1711 1711  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
1712 -)))
1713 1713  
1714 1714  [[image:1654136435598-589.png]]
1715 1715  
... ... @@ -1718,23 +1718,13 @@
1718 1718  
1719 1719  == 6.1 How to upgrade the image? ==
1720 1720  
1721 -(((
1722 1722  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1723 -)))
1724 1724  
1725 -* (((
1726 -Support new features
1727 -)))
1728 -* (((
1729 -For bug fix
1730 -)))
1731 -* (((
1732 -Change LoRaWAN bands.
1733 -)))
1438 +* Support new features
1439 +* For bug fix
1440 +* Change LoRaWAN bands.
1734 1734  
1735 -(((
1736 1736  Below shows the hardware connection for how to upload an image to RS485-BL:
1737 -)))
1738 1738  
1739 1739  [[image:1654136646995-976.png]]
1740 1740