Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -510,6 +510,10 @@ 510 510 ))) 511 511 512 512 ((( 513 + 514 +))) 515 + 516 +((( 513 513 **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 514 514 ))) 515 515 ... ... @@ -868,7 +868,7 @@ 868 868 ))) 869 869 870 870 ((( 871 - **}**875 +{{{}}}} 872 872 873 873 874 874 ))) ... ... @@ -882,13 +882,21 @@ 882 882 883 883 == 3.5 Configure RS485-BL via AT or Downlink == 884 884 889 +((( 885 885 User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands 891 +))) 886 886 893 +((( 887 887 There are two kinds of Commands: 895 +))) 888 888 889 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 897 +* ((( 898 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 899 +))) 890 890 891 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 901 +* ((( 902 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 903 +))) 892 892 893 893 894 894 ... ... @@ -900,6 +900,7 @@ 900 900 === 3.5.2 Sensor related commands: === 901 901 902 902 915 + 903 903 ==== **Choose Device Type (RS485 or TTL)** ==== 904 904 905 905 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. ... ... @@ -923,57 +923,109 @@ 923 923 924 924 925 925 939 + 926 926 ==== **RS485 Debug Command (AT+CFGDEV)** ==== 927 927 942 +((( 928 928 This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 944 +))) 929 929 930 -* **AT Command** 946 +* ((( 947 +**AT Command** 948 +))) 931 931 932 932 (% class="box infomessage" %) 933 933 ((( 952 +((( 934 934 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 935 935 ))) 955 +))) 936 936 957 +((( 937 937 m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 959 +))) 938 938 961 +((( 962 + 963 +))) 939 939 940 -* **Downlink Payload** 965 +* ((( 966 +**Downlink Payload** 967 +))) 941 941 969 +((( 942 942 Format: A8 MM NN XX XX XX XX YY 971 +))) 943 943 973 +((( 944 944 Where: 975 +))) 945 945 946 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 947 -* NN: The length of RS485 command 948 -* XX XX XX XX: RS485 command total NN bytes 949 -* 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 977 +* ((( 978 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 979 +))) 980 +* ((( 981 +NN: The length of RS485 command 982 +))) 983 +* ((( 984 +XX XX XX XX: RS485 command total NN bytes 985 +))) 986 +* ((( 987 +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 +))) 950 950 990 +((( 951 951 **Example 1:** 992 +))) 952 952 994 +((( 953 953 To connect a Modbus Alarm with below commands. 996 +))) 954 954 955 -* 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. 998 +* ((( 999 +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 +))) 956 956 957 -* 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. 1002 +* ((( 1003 +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 +))) 958 958 1006 +((( 959 959 So if user want to use downlink command to control to RS485 Alarm, he can use: 1008 +))) 960 960 1010 +((( 961 961 (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 1012 +))) 962 962 1014 +((( 963 963 (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 1016 +))) 964 964 1018 +((( 965 965 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. 1020 +))) 966 966 1022 +((( 1023 + 1024 +))) 967 967 1026 +((( 968 968 **Example 2:** 1028 +))) 969 969 1030 +((( 970 970 Check TTL Sensor return: 1032 +))) 971 971 1034 +((( 972 972 [[image:1654132684752-193.png]] 1036 +))) 973 973 974 974 975 975 976 976 1041 + 977 977 ==== **Set Payload version** ==== 978 978 979 979 This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. ... ... @@ -994,67 +994,128 @@ 994 994 995 995 996 996 1062 + 997 997 ==== **Set RS485 Sampling Commands** ==== 998 998 1065 +((( 999 999 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 1067 +))) 1000 1000 1069 +((( 1001 1001 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"]]. 1071 +))) 1002 1002 1073 +((( 1074 + 1075 +))) 1003 1003 1004 -* **AT Command:** 1077 +* ((( 1078 +**AT Command:** 1079 +))) 1005 1005 1006 1006 (% class="box infomessage" %) 1007 1007 ((( 1083 +((( 1008 1008 **AT+COMMANDx: Configure RS485 read command to sensor.** 1009 1009 ))) 1086 +))) 1010 1010 1011 1011 (% class="box infomessage" %) 1012 1012 ((( 1090 +((( 1013 1013 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 1014 1014 ))) 1093 +))) 1015 1015 1016 1016 (% class="box infomessage" %) 1017 1017 ((( 1097 +((( 1018 1018 **AT+SEARCHx: Configure search command** 1019 1019 ))) 1100 +))) 1020 1020 1102 +((( 1103 + 1104 +))) 1021 1021 1022 -* **Downlink Payload:** 1106 +* ((( 1107 +**Downlink Payload:** 1108 +))) 1023 1023 1110 +((( 1024 1024 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 1112 +))) 1025 1025 1114 +((( 1026 1026 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 1116 +))) 1027 1027 1118 +((( 1028 1028 Format: AF MM NN LL XX XX XX XX YY 1120 +))) 1029 1029 1122 +((( 1030 1030 Where: 1124 +))) 1031 1031 1032 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 1033 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 1034 -* LL: The length of AT+COMMAND or AT+DATACUT command 1035 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 1036 -* 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. 1126 +* ((( 1127 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 1128 +))) 1129 +* ((( 1130 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 1131 +))) 1132 +* ((( 1133 +LL: The length of AT+COMMAND or AT+DATACUT command 1134 +))) 1135 +* ((( 1136 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 1137 +))) 1138 +* ((( 1139 +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 +))) 1037 1037 1142 +((( 1038 1038 **Example:** 1144 +))) 1039 1039 1146 +((( 1040 1040 (% 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 1148 +))) 1041 1041 1150 +((( 1042 1042 (% 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** 1152 +))) 1043 1043 1154 +((( 1044 1044 (% 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** 1156 +))) 1045 1045 1158 +((( 1159 + 1160 +))) 1046 1046 1162 +((( 1047 1047 **0xAB** downlink command can be used for set AT+SEARCHx 1164 +))) 1048 1048 1166 +((( 1049 1049 **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 1168 +))) 1050 1050 1051 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 1052 -* 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 1170 +* ((( 1171 +AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 1172 +))) 1173 +* ((( 1174 +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 +))) 1053 1053 1177 +((( 1054 1054 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 1179 +))) 1055 1055 1056 1056 1057 1057 1183 + 1058 1058 ==== **Fast command to handle MODBUS device** ==== 1059 1059 1060 1060 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]]. ... ... @@ -1088,6 +1088,7 @@ 1088 1088 1089 1089 1090 1090 1217 + 1091 1091 ==== **RS485 command timeout** ==== 1092 1092 1093 1093 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. ... ... @@ -1119,6 +1119,7 @@ 1119 1119 1120 1120 1121 1121 1249 + 1122 1122 ==== **Uplink payload mode** ==== 1123 1123 1124 1124 Define to use one uplink or multiple uplinks for the sampling. ... ... @@ -1165,7 +1165,9 @@ 1165 1165 1166 1166 * **AT Command:** 1167 1167 1296 +((( 1168 1168 (% 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 1298 +))) 1169 1169 1170 1170 Example screen shot after clear all RS485 commands. 1171 1171 ... ... @@ -1181,6 +1181,7 @@ 1181 1181 1182 1182 1183 1183 1314 + 1184 1184 ==== **Set Serial Communication Parameters** ==== 1185 1185 1186 1186 Set the Rs485 serial communication parameters: ... ... @@ -1224,6 +1224,7 @@ 1224 1224 1225 1225 1226 1226 1358 + 1227 1227 ==== **Control output power duration** ==== 1228 1228 1229 1229 User can set the output power duration before each sampling. ... ... @@ -1247,44 +1247,83 @@ 1247 1247 1248 1248 == 3.6 Buttons == 1249 1249 1250 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %) 1382 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %) 1251 1251 |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature** 1252 1252 |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL 1253 1253 1386 + 1387 + 1254 1254 == 3.7 +3V3 Output == 1255 1255 1390 +((( 1256 1256 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1392 +))) 1257 1257 1394 +((( 1258 1258 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. 1396 +))) 1259 1259 1398 +((( 1260 1260 The +3V3 output time can be controlled by AT Command. 1400 +))) 1261 1261 1402 +((( 1403 + 1404 +))) 1262 1262 1406 +((( 1263 1263 (% style="color:#037691" %)**AT+3V3T=1000** 1408 +))) 1264 1264 1410 +((( 1411 + 1412 +))) 1265 1265 1414 +((( 1266 1266 Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 1416 +))) 1267 1267 1418 +((( 1268 1268 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1420 +))) 1269 1269 1270 1270 1271 1271 == 3.8 +5V Output == 1272 1272 1425 +((( 1273 1273 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 1427 +))) 1274 1274 1429 +((( 1275 1275 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. 1431 +))) 1276 1276 1433 +((( 1277 1277 The 5V output time can be controlled by AT Command. 1435 +))) 1278 1278 1437 +((( 1438 + 1439 +))) 1279 1279 1441 +((( 1280 1280 (% style="color:#037691" %)**AT+5VT=1000** 1443 +))) 1281 1281 1445 +((( 1446 + 1447 +))) 1282 1282 1449 +((( 1283 1283 Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors. 1451 +))) 1284 1284 1453 +((( 1285 1285 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. 1455 +))) 1286 1286 1287 1287 1458 + 1288 1288 == 3.9 LEDs == 1289 1289 1290 1290 (% border="1" style="background-color:#ffffcc; color:green; width:332px" %) ... ... @@ -1291,6 +1291,8 @@ 1291 1291 |=**LEDs**|=(% style="width: 274px;" %)**Feature** 1292 1292 |**LED1**|(% style="width:274px" %)Blink when device transmit a packet. 1293 1293 1465 + 1466 + 1294 1294 == 3.10 Switch Jumper == 1295 1295 1296 1296 (% border="1" style="background-color:#ffffcc; color:green; width:515px" %) ... ... @@ -1306,9 +1306,13 @@ 1306 1306 3.3v position: set to compatible with 3.3v I/O., 1307 1307 ))) 1308 1308 1482 +((( 1309 1309 **+3.3V**: is always ON 1484 +))) 1310 1310 1486 +((( 1311 1311 **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0. Max open time. 5000 ms. 1488 +))) 1312 1312 1313 1313 1314 1314 = 4. Case Study = ... ... @@ -1320,17 +1320,23 @@ 1320 1320 1321 1321 == 5.1 Access AT Command == 1322 1322 1500 +((( 1323 1323 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. 1502 +))) 1324 1324 1325 1325 [[image:1654135840598-282.png]] 1326 1326 1327 1327 1507 +((( 1328 1328 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: 1509 +))) 1329 1329 1330 1330 [[image:1654136105500-922.png]] 1331 1331 1332 1332 1514 +((( 1333 1333 More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] 1516 +))) 1334 1334 1335 1335 1336 1336 == 5.2 Common AT Command Sequence == ... ... @@ -1355,7 +1355,9 @@ 1355 1355 ))) 1356 1356 1357 1357 1541 +((( 1358 1358 If device already joined network: 1543 +))) 1359 1359 1360 1360 (% class="box infomessage" %) 1361 1361 ((( ... ... @@ -1394,10 +1394,12 @@ 1394 1394 1395 1395 (% style="color:red" %)**Note:** 1396 1396 1582 +((( 1397 1397 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1398 1398 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1399 1399 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. 1400 1400 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 1587 +))) 1401 1401 1402 1402 [[image:1654136435598-589.png]] 1403 1403 ... ... @@ -1406,13 +1406,23 @@ 1406 1406 1407 1407 == 6.1 How to upgrade the image? == 1408 1408 1596 +((( 1409 1409 The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to: 1598 +))) 1410 1410 1411 -* Support new features 1412 -* For bug fix 1413 -* Change LoRaWAN bands. 1600 +* ((( 1601 +Support new features 1602 +))) 1603 +* ((( 1604 +For bug fix 1605 +))) 1606 +* ((( 1607 +Change LoRaWAN bands. 1608 +))) 1414 1414 1610 +((( 1415 1415 Below shows the hardware connection for how to upload an image to RS485-BL: 1612 +))) 1416 1416 1417 1417 [[image:1654136646995-976.png]] 1418 1418 ... ... @@ -1478,6 +1478,8 @@ 1478 1478 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1479 1479 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1480 1480 1678 + 1679 + 1481 1481 = 9. Packing Info = 1482 1482 1483 1483 (((