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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.20
edited by Xiaoling
on 2022/06/06 11:06
Change comment: There is no comment for this version
To version 44.9
edited by Xiaoling
on 2022/06/14 10:04
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -1,13 +1,9 @@
1 1  (% style="text-align:center" %)
2 -[[image:1652947681187-144.png||height="385" width="385"]]
2 +[[image:1652947681187-144.png||height="404" width="404"]]
3 3  
4 4  
5 5  
6 6  
7 -**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 -
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 13  {{toc/}}
... ... @@ -67,6 +67,7 @@
67 67  ** Idle: 6uA@3.3v
68 68  ** 20dB Transmit: 130mA@3.3v
69 69  
66 +
70 70  **Interface for Model:**
71 71  
72 72  * 1 x RS485 Interface
... ... @@ -76,6 +76,7 @@
76 76  * 1 x Interrupt Interface
77 77  * 1 x Controllable 5V output, max
78 78  
76 +
79 79  **LoRa Spec:**
80 80  
81 81  * Frequency Range:
... ... @@ -94,6 +94,9 @@
94 94  * 127 dB Dynamic Range RSSI.
95 95  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
96 96  
95 +
96 +
97 +
97 97  == 1.3 Features ==
98 98  
99 99  * LoRaWAN Class A & Class C protocol (default Class A)
... ... @@ -105,6 +105,9 @@
105 105  * Support Modbus protocol
106 106  * Support Interrupt uplink
107 107  
109 +
110 +
111 +
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -114,6 +114,9 @@
114 114  * Smart Cities
115 115  * Smart Factory
116 116  
121 +
122 +
123 +
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[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);"]]
... ... @@ -197,6 +197,7 @@
197 197  
198 198  [[image:1652953414711-647.png||height="337" width="723"]]
199 199  
207 +
200 200  (((
201 201  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
202 202  )))
... ... @@ -215,12 +215,13 @@
215 215  
216 216  [[image:1652953462722-299.png]]
217 217  
226 +
218 218  (((
219 219  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
220 220  )))
221 221  
222 222  (((
223 -Add APP EUI in the application.
232 +**Add APP EUI in the application.**
224 224  )))
225 225  
226 226  
... ... @@ -232,6 +232,7 @@
232 232  
233 233  [[image:image-20220519174512-4.png]]
234 234  
244 +
235 235  You can also choose to create the device manually.
236 236  
237 237  [[image:1652953542269-423.png||height="710" width="723"]]
... ... @@ -283,28 +283,28 @@
283 283  )))
284 284  
285 285  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
286 -|=(% style="width: 120px;" %)(((
296 +|=(% style="width: 80px;" %)(((
287 287  (((
288 288  **AT Commands**
289 289  )))
290 -)))|=(% style="width: 190px;" %)(((
300 +)))|=(% style="width: 210px;" %)(((
291 291  (((
292 292  **Description**
293 293  )))
294 -)))|=(% style="width: 190px;" %)(((
304 +)))|=(% style="width: 210px;" %)(((
295 295  (((
296 296  **Example**
297 297  )))
298 298  )))
299 -|(% style="width:120px" %)(((
309 +|(% style="width:80px" %)(((
300 300  (((
301 301  AT+BAUDR
302 302  )))
303 -)))|(% style="width:190px" %)(((
313 +)))|(% style="width:210px" %)(((
304 304  (((
305 305  Set the baud rate (for RS485 connection). Default Value is: 9600.
306 306  )))
307 -)))|(% style="width:190px" %)(((
317 +)))|(% style="width:210px" %)(((
308 308  (((
309 309  (((
310 310  AT+BAUDR=9600
... ... @@ -317,11 +317,11 @@
317 317  )))
318 318  )))
319 319  )))
320 -|(% style="width:120px" %)(((
330 +|(% style="width:80px" %)(((
321 321  (((
322 322  AT+PARITY
323 323  )))
324 -)))|(% style="width:190px" %)(((
334 +)))|(% style="width:210px" %)(((
325 325  (((
326 326  (((
327 327  Set UART parity (for RS485 connection)
... ... @@ -333,7 +333,7 @@
333 333  Default Value is: no parity.
334 334  )))
335 335  )))
336 -)))|(% style="width:190px" %)(((
346 +)))|(% style="width:210px" %)(((
337 337  (((
338 338  (((
339 339  AT+PARITY=0
... ... @@ -346,11 +346,11 @@
346 346  )))
347 347  )))
348 348  )))
349 -|(% style="width:120px" %)(((
359 +|(% style="width:80px" %)(((
350 350  (((
351 351  AT+STOPBIT
352 352  )))
353 -)))|(% style="width:190px" %)(((
363 +)))|(% style="width:210px" %)(((
354 354  (((
355 355  (((
356 356  Set serial stopbit (for RS485 connection)
... ... @@ -362,7 +362,7 @@
362 362  Default Value is: 1bit.
363 363  )))
364 364  )))
365 -)))|(% style="width:190px" %)(((
375 +)))|(% style="width:210px" %)(((
366 366  (((
367 367  (((
368 368  AT+STOPBIT=0 for 1bit
... ... @@ -382,8 +382,6 @@
382 382  )))
383 383  )))
384 384  
385 -
386 -
387 387  === 3.3.2 Configure sensors ===
388 388  
389 389  (((
... ... @@ -395,14 +395,20 @@
395 395  )))
396 396  
397 397  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
398 -|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
399 -|AT+CFGDEV|(% style="width:120px" %)(((
406 +|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
407 +|AT+CFGDEV|(% style="width:80px" %)(((
408 +(((
400 400  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
410 +)))
401 401  
412 +(((
402 402  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
414 +)))
403 403  
416 +(((
404 404  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
405 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
418 +)))
419 +)))|(% style="width:210px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
406 406  
407 407  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
408 408  
... ... @@ -902,8 +902,6 @@
902 902  (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
903 903  )))
904 904  
905 -
906 -
907 907  === 3.5.1 Common Commands: ===
908 908  
909 909  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]]
... ... @@ -939,53 +939,101 @@
939 939  
940 940  ==== **RS485 Debug Command (AT+CFGDEV)** ====
941 941  
954 +(((
942 942  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
956 +)))
943 943  
944 -* **AT Command**
958 +* (((
959 +**AT Command**
960 +)))
945 945  
946 946  (% class="box infomessage" %)
947 947  (((
964 +(((
948 948  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
949 949  )))
967 +)))
950 950  
969 +(((
951 951  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
971 +)))
952 952  
973 +(((
974 +
975 +)))
953 953  
954 -* **Downlink Payload**
977 +* (((
978 +**Downlink Payload**
979 +)))
955 955  
981 +(((
956 956  Format: A8 MM NN XX XX XX XX YY
983 +)))
957 957  
985 +(((
958 958  Where:
987 +)))
959 959  
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
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 +)))
964 964  
1002 +(((
965 965  **Example 1:**
1004 +)))
966 966  
1006 +(((
967 967  To connect a Modbus Alarm with below commands.
1008 +)))
968 968  
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 +* (((
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 +)))
970 970  
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 +* (((
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 +)))
972 972  
1018 +(((
973 973  So if user want to use downlink command to control to RS485 Alarm, he can use:
1020 +)))
974 974  
1022 +(((
975 975  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1024 +)))
976 976  
1026 +(((
977 977  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1028 +)))
978 978  
979 979  (((
980 980  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.
981 981  )))
982 982  
1034 +(((
1035 +
1036 +)))
983 983  
1038 +(((
984 984  **Example 2:**
1040 +)))
985 985  
1042 +(((
986 986  Check TTL Sensor return:
1044 +)))
987 987  
1046 +(((
988 988  [[image:1654132684752-193.png]]
1048 +)))
989 989  
990 990  
991 991  
... ... @@ -1014,62 +1014,121 @@
1014 1014  
1015 1015  ==== **Set RS485 Sampling Commands** ====
1016 1016  
1077 +(((
1017 1017  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1079 +)))
1018 1018  
1081 +(((
1019 1019  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 +)))
1020 1020  
1085 +(((
1086 +
1087 +)))
1021 1021  
1022 -* **AT Command:**
1089 +* (((
1090 +**AT Command:**
1091 +)))
1023 1023  
1024 1024  (% class="box infomessage" %)
1025 1025  (((
1095 +(((
1026 1026  **AT+COMMANDx: Configure RS485 read command to sensor.**
1027 1027  )))
1098 +)))
1028 1028  
1029 1029  (% class="box infomessage" %)
1030 1030  (((
1102 +(((
1031 1031  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1032 1032  )))
1105 +)))
1033 1033  
1034 1034  (% class="box infomessage" %)
1035 1035  (((
1109 +(((
1036 1036  **AT+SEARCHx: Configure search command**
1037 1037  )))
1112 +)))
1038 1038  
1114 +(((
1115 +
1116 +)))
1039 1039  
1040 -* **Downlink Payload:**
1118 +* (((
1119 +**Downlink Payload:**
1120 +)))
1041 1041  
1122 +(((
1042 1042  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1124 +)))
1043 1043  
1126 +(((
1044 1044  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1128 +)))
1045 1045  
1130 +(((
1046 1046  Format: AF MM NN LL XX XX XX XX YY
1132 +)))
1047 1047  
1134 +(((
1048 1048  Where:
1136 +)))
1049 1049  
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.
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 +)))
1055 1055  
1154 +(((
1056 1056  **Example:**
1156 +)))
1057 1057  
1158 +(((
1058 1058  (% 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 +)))
1059 1059  
1162 +(((
1060 1060  (% 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 +)))
1061 1061  
1166 +(((
1062 1062  (% 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 +)))
1063 1063  
1170 +(((
1171 +
1172 +)))
1064 1064  
1174 +(((
1065 1065  **0xAB** downlink command can be used for set AT+SEARCHx
1176 +)))
1066 1066  
1178 +(((
1067 1067  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1180 +)))
1068 1068  
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
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 +)))
1071 1071  
1189 +(((
1072 1072  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1191 +)))
1073 1073  
1074 1074  
1075 1075  
... ... @@ -1076,24 +1076,47 @@
1076 1076  
1077 1077  ==== **Fast command to handle MODBUS device** ====
1078 1078  
1198 +(((
1079 1079  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 +)))
1080 1080  
1202 +(((
1081 1081  This command is valid since v1.3 firmware version
1204 +)))
1082 1082  
1206 +(((
1207 +
1208 +)))
1083 1083  
1210 +(((
1084 1084  **AT+MBFUN has only two value:**
1212 +)))
1085 1085  
1086 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1214 +* (((
1215 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1216 +)))
1087 1087  
1218 +(((
1088 1088  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 +)))
1089 1089  
1090 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1222 +* (((
1223 +**AT+MBFUN=0**: Disable Modbus fast reading.
1224 +)))
1091 1091  
1226 +(((
1092 1092  **Example:**
1228 +)))
1093 1093  
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.
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 +)))
1097 1097  
1098 1098  [[image:1654133913295-597.png]]
1099 1099  
... ... @@ -1101,9 +1101,13 @@
1101 1101  [[image:1654133954153-643.png]]
1102 1102  
1103 1103  
1104 -* **Downlink Commands:**
1246 +* (((
1247 +**Downlink Commands:**
1248 +)))
1105 1105  
1250 +(((
1106 1106  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1252 +)))
1107 1107  
1108 1108  
1109 1109  
... ... @@ -1110,32 +1110,60 @@
1110 1110  
1111 1111  ==== **RS485 command timeout** ====
1112 1112  
1259 +(((
1113 1113  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 +)))
1114 1114  
1263 +(((
1115 1115  Default value: 0, range:  0 ~~ 5 seconds
1265 +)))
1116 1116  
1267 +(((
1268 +
1269 +)))
1117 1117  
1118 -* **AT Command:**
1271 +* (((
1272 +**AT Command:**
1273 +)))
1119 1119  
1120 1120  (% class="box infomessage" %)
1121 1121  (((
1277 +(((
1122 1122  **AT+CMDDLaa=hex(bb cc)**
1123 1123  )))
1280 +)))
1124 1124  
1282 +(((
1125 1125  **Example:**
1284 +)))
1126 1126  
1286 +(((
1127 1127  **AT+CMDDL1=1000** to send the open time to 1000ms
1288 +)))
1128 1128  
1290 +(((
1291 +
1292 +)))
1129 1129  
1130 -* **Downlink Payload:**
1294 +* (((
1295 +**Downlink Payload:**
1296 +)))
1131 1131  
1298 +(((
1132 1132  0x AA aa bb cc
1300 +)))
1133 1133  
1302 +(((
1134 1134  Same as: AT+CMDDLaa=hex(bb cc)
1304 +)))
1135 1135  
1306 +(((
1136 1136   **Example:**
1308 +)))
1137 1137  
1310 +(((
1138 1138   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1312 +)))
1139 1139  
1140 1140  
1141 1141  
... ... @@ -1142,28 +1142,47 @@
1142 1142  
1143 1143  ==== **Uplink payload mode** ====
1144 1144  
1319 +(((
1145 1145  Define to use one uplink or multiple uplinks for the sampling.
1321 +)))
1146 1146  
1323 +(((
1147 1147  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1325 +)))
1148 1148  
1149 -* **AT Command:**
1327 +* (((
1328 +**AT Command:**
1329 +)))
1150 1150  
1151 1151  (% class="box infomessage" %)
1152 1152  (((
1333 +(((
1153 1153  **AT+DATAUP=0**
1154 1154  )))
1336 +)))
1155 1155  
1156 1156  (% class="box infomessage" %)
1157 1157  (((
1340 +(((
1158 1158  **AT+DATAUP=1**
1159 1159  )))
1343 +)))
1160 1160  
1345 +(((
1346 +
1347 +)))
1161 1161  
1162 -* **Downlink Payload:**
1349 +* (((
1350 +**Downlink Payload:**
1351 +)))
1163 1163  
1353 +(((
1164 1164  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1355 +)))
1165 1165  
1357 +(((
1166 1166  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1359 +)))
1167 1167  
1168 1168  
1169 1169  
... ... @@ -1181,26 +1181,49 @@
1181 1181  
1182 1182  ==== **Clear RS485 Command** ====
1183 1183  
1377 +(((
1184 1184  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1379 +)))
1185 1185  
1381 +(((
1382 +
1383 +)))
1186 1186  
1187 -* **AT Command:**
1385 +* (((
1386 +**AT Command:**
1387 +)))
1188 1188  
1189 1189  (((
1190 1190  (% 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
1191 1191  )))
1192 1192  
1393 +(((
1193 1193  Example screen shot after clear all RS485 commands. 
1395 +)))
1194 1194  
1397 +(((
1398 +
1399 +)))
1195 1195  
1401 +(((
1196 1196  The uplink screen shot is:
1403 +)))
1197 1197  
1405 +(((
1198 1198  [[image:1654134704555-320.png]]
1407 +)))
1199 1199  
1409 +(((
1410 +
1411 +)))
1200 1200  
1201 -* **Downlink Payload:**
1413 +* (((
1414 +**Downlink Payload:**
1415 +)))
1202 1202  
1417 +(((
1203 1203  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1419 +)))
1204 1204  
1205 1205  
1206 1206  
... ... @@ -1207,44 +1207,59 @@
1207 1207  
1208 1208  ==== **Set Serial Communication Parameters** ====
1209 1209  
1426 +(((
1210 1210  Set the Rs485 serial communication parameters:
1428 +)))
1211 1211  
1212 -* **AT Command:**
1430 +* (((
1431 +**AT Command:**
1432 +)))
1213 1213  
1434 +(((
1214 1214  Set Baud Rate:
1436 +)))
1215 1215  
1216 1216  (% class="box infomessage" %)
1217 1217  (((
1440 +(((
1218 1218  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1219 -)))
1220 1220  
1221 1221  Set UART Parity
1222 -
1223 -(% class="box infomessage" %)
1224 -(((
1225 1225  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1226 -)))
1227 1227  
1228 1228  Set STOPBIT
1229 1229  
1230 -(% class="box infomessage" %)
1231 -(((
1232 1232  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1233 1233  )))
1450 +)))
1234 1234  
1235 1235  
1236 -* **Downlink Payload:**
1453 +* (((
1454 +**Downlink Payload:**
1455 +)))
1237 1237  
1457 +(((
1238 1238  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1459 +)))
1239 1239  
1461 +(((
1240 1240  **Example:**
1463 +)))
1241 1241  
1242 -* A7 01 00 60   same as AT+BAUDR=9600
1243 -* A7 01 04 80  same as AT+BAUDR=115200
1465 +* (((
1466 +A7 01 00 60   same as AT+BAUDR=9600
1467 +)))
1468 +* (((
1469 +A7 01 04 80  same as AT+BAUDR=115200
1470 +)))
1244 1244  
1472 +(((
1245 1245  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1474 +)))
1246 1246  
1476 +(((
1247 1247  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1478 +)))
1248 1248  
1249 1249  
1250 1250  
... ... @@ -1251,22 +1251,41 @@
1251 1251  
1252 1252  ==== **Control output power duration** ====
1253 1253  
1485 +(((
1254 1254  User can set the output power duration before each sampling.
1487 +)))
1255 1255  
1256 -* **AT Command:**
1489 +* (((
1490 +**AT Command:**
1491 +)))
1257 1257  
1493 +(((
1258 1258  **Example:**
1495 +)))
1259 1259  
1497 +(((
1260 1260  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1499 +)))
1261 1261  
1501 +(((
1262 1262  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1503 +)))
1263 1263  
1505 +(((
1506 +
1507 +)))
1264 1264  
1265 -* **LoRaWAN Downlink Command:**
1509 +* (((
1510 +**LoRaWAN Downlink Command:**
1511 +)))
1266 1266  
1513 +(((
1267 1267  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1515 +)))
1268 1268  
1517 +(((
1269 1269  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1519 +)))
1270 1270  
1271 1271  
1272 1272  
... ... @@ -1276,42 +1276,77 @@
1276 1276  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1277 1277  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1278 1278  
1279 -
1280 -
1281 1281  == 3.7 +3V3 Output ==
1282 1282  
1531 +(((
1283 1283  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1533 +)))
1284 1284  
1535 +(((
1285 1285  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 +)))
1286 1286  
1539 +(((
1287 1287  The +3V3 output time can be controlled by AT Command.
1541 +)))
1288 1288  
1543 +(((
1544 +
1545 +)))
1289 1289  
1547 +(((
1290 1290  (% style="color:#037691" %)**AT+3V3T=1000**
1549 +)))
1291 1291  
1551 +(((
1552 +
1553 +)))
1292 1292  
1555 +(((
1293 1293  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1557 +)))
1294 1294  
1559 +(((
1295 1295  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1561 +)))
1296 1296  
1297 1297  
1298 1298  == 3.8 +5V Output ==
1299 1299  
1566 +(((
1300 1300  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1568 +)))
1301 1301  
1570 +(((
1302 1302  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 +)))
1303 1303  
1574 +(((
1304 1304  The 5V output time can be controlled by AT Command.
1576 +)))
1305 1305  
1578 +(((
1579 +
1580 +)))
1306 1306  
1582 +(((
1307 1307  (% style="color:#037691" %)**AT+5VT=1000**
1584 +)))
1308 1308  
1586 +(((
1587 +
1588 +)))
1309 1309  
1590 +(((
1310 1310  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1592 +)))
1311 1311  
1594 +(((
1312 1312  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 +)))
1313 1313  
1314 1314  
1599 +
1315 1315  == 3.9 LEDs ==
1316 1316  
1317 1317  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1320,22 +1320,20 @@
1320 1320  
1321 1321  == 3.10 Switch Jumper ==
1322 1322  
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 +(% 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
1328 1328  Flash position: Configure device, check running status.
1329 -)))
1330 -|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1331 -5V position: set to compatible with 5v I/O.
1332 -
1612 +|(% style="width:123px" %)**SW2**|(% style="width:336px" %)5V position: set to compatible with 5v I/O.
1333 1333  3.3v position: set to compatible with 3.3v I/O.,
1334 -)))
1335 1335  
1615 +(((
1336 1336  **+3.3V**: is always ON
1617 +)))
1337 1337  
1619 +(((
1338 1338  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1621 +)))
1339 1339  
1340 1340  
1341 1341  = 4. Case Study =
... ... @@ -1347,17 +1347,23 @@
1347 1347  
1348 1348  == 5.1 Access AT Command ==
1349 1349  
1633 +(((
1350 1350  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 +)))
1351 1351  
1352 1352  [[image:1654135840598-282.png]]
1353 1353  
1354 1354  
1640 +(((
1355 1355  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 +)))
1356 1356  
1357 1357  [[image:1654136105500-922.png]]
1358 1358  
1359 1359  
1647 +(((
1360 1360  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1649 +)))
1361 1361  
1362 1362  
1363 1363  == 5.2 Common AT Command Sequence ==
... ... @@ -1369,20 +1369,14 @@
1369 1369  (% class="box infomessage" %)
1370 1370  (((
1371 1371  **AT+FDR**
1372 -)))
1373 -
1374 -(% class="box infomessage" %)
1375 -(((
1376 1376  **AT+NJM=0**
1377 -)))
1378 -
1379 -(% class="box infomessage" %)
1380 -(((
1381 1381  **ATZ**
1382 1382  )))
1383 1383  
1384 1384  
1666 +(((
1385 1385  If device already joined network:
1668 +)))
1386 1386  
1387 1387  (% class="box infomessage" %)
1388 1388  (((
... ... @@ -1421,10 +1421,12 @@
1421 1421  
1422 1422  (% style="color:red" %)**Note:**
1423 1423  
1707 +(((
1424 1424  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1425 1425  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1426 1426  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.
1427 1427  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 +)))
1428 1428  
1429 1429  [[image:1654136435598-589.png]]
1430 1430  
... ... @@ -1433,13 +1433,23 @@
1433 1433  
1434 1434  == 6.1 How to upgrade the image? ==
1435 1435  
1721 +(((
1436 1436  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1723 +)))
1437 1437  
1438 -* Support new features
1439 -* For bug fix
1440 -* Change LoRaWAN bands.
1725 +* (((
1726 +Support new features
1727 +)))
1728 +* (((
1729 +For bug fix
1730 +)))
1731 +* (((
1732 +Change LoRaWAN bands.
1733 +)))
1441 1441  
1735 +(((
1442 1442  Below shows the hardware connection for how to upload an image to RS485-BL:
1737 +)))
1443 1443  
1444 1444  [[image:1654136646995-976.png]]
1445 1445