Last modified by Xiaoling on 2025/04/23 15:56
<
From version < 15.3 >
edited by Xiaoling
on 2022/05/19 17:47
To version < 5.1 >
edited by Xiaoling
on 2022/05/19 17:41
>
Change comment: There is no comment for this version

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1 1  (% style="text-align:center" %)
2 2  [[image:1652947681187-144.png||height="385" width="385"]]
3 3  
4 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.jpg]]
4 4  
5 5  
6 6  
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
30 +RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
30 30  )))
31 31  
32 32  (((
... ... @@ -49,7 +49,7 @@
49 49  Each RS485-BL pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
50 50  )))
51 51  
52 -[[image:1652953304999-717.png||height="424" width="733"]]
53 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
53 53  
54 54  == 1.2 Specifications ==
55 55  
... ... @@ -56,11 +56,11 @@
56 56  **Hardware System:**
57 57  
58 58  * STM32L072CZT6 MCU
59 -* SX1276/78 Wireless Chip 
60 +* SX1276/78 Wireless Chip
60 60  * Power Consumption (exclude RS485 device):
61 61  ** Idle: 6uA@3.3v
62 62  
63 -*
64 +*
64 64  ** 20dB Transmit: 130mA@3.3v
65 65  
66 66  **Interface for Model:**
... ... @@ -110,7 +110,7 @@
110 110  * Smart Cities
111 111  * Smart Factory
112 112  
113 -== 1.5 Firmware Change log ==
114 +== 1.5 Firmware Change log ==
114 114  
115 115  [[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);"]]
116 116  
... ... @@ -144,92 +144,102 @@
144 144  
145 145  = 2. Pin mapping and Power ON Device =
146 146  
147 -(((
148 148  The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL.
149 -)))
150 150  
151 151  [[image:1652953055962-143.png||height="387" width="728"]]
152 152  
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
153 153  
154 154  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
155 155  
156 -= 3. Operation Mode =
157 157  
158 -== 3.1 How it works? ==
159 159  
160 -(((
158 +3. Operation Mode
159 +3.1 How it works?
160 +
161 161  The RS485-BL is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-BL. It will auto join the network via OTAA.
162 -)))
163 163  
164 -== 3.2 Example to join LoRaWAN network ==
165 165  
166 -Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
164 +1.
165 +11. Example to join LoRaWAN network
167 167  
168 -[[image:1652953414711-647.png||height="337" width="723"]]
167 +Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
169 169  
170 -(((
169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
170 +
171 +
171 171  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
172 -)))
173 173  
174 -(((
174 +
175 175  The LG308 is already set to connect to [[TTN V3 network >>url:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
176 -)))
177 177  
178 -(((
179 179  **Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
180 -)))
181 181  
182 -(((
183 183  Each RS485-BL is shipped with a sticker with unique device EUI:
184 -)))
185 185  
186 -[[image:1652953462722-299.png]]
181 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
187 187  
188 -(((
183 +
184 +
185 +
189 189  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
190 -)))
191 191  
192 -(((
193 193  Add APP EUI in the application.
194 -)))
195 195  
190 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
196 196  
192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
197 197  
194 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
198 198  
199 -[[image:image-20220519174512-1.png]]
196 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
200 200  
201 -[[image:image-20220519174512-2.png||height="328" width="731"]]
202 202  
203 -[[image:image-20220519174512-3.png||height="556" width="724"]]
204 204  
205 -[[image:image-20220519174512-4.png]]
206 206  
201 +
202 +
203 +
204 +
205 +
206 +
207 +
208 +
209 +
210 +
211 +
212 +
213 +
207 207  You can also choose to create the device manually.
208 208  
209 -[[image:1652953542269-423.png||height="710" width="723"]]
216 +|(((
217 +
218 +)))
210 210  
220 +
221 +
222 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 +
211 211  Add APP KEY and DEV EUI
212 212  
213 -[[image:1652953553383-907.png||height="514" width="724"]]
226 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
214 214  
215 215  
216 -(((
217 217  **Step 2**: Power on RS485-BL and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
218 -)))
219 219  
220 -[[image:1652953568895-172.png||height="232" width="724"]]
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
221 221  
222 222  
223 223  
224 224  
225 -1.
236 +1.
226 226  11. Configure Commands to read data
227 227  
228 228  There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
229 229  
230 230  
231 -1.
232 -11.
242 +1.
243 +11.
233 233  111. Configure UART settings for RS485 or TTL communication
234 234  
235 235  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -277,8 +277,9 @@
277 277  
278 278  
279 279  
280 -1.
281 -11.
291 +
292 +1.
293 +11.
282 282  111. Configure sensors
283 283  
284 284  Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
... ... @@ -301,8 +301,8 @@
301 301  
302 302  
303 303  
304 -1.
305 -11.
316 +1.
317 +11.
306 306  111. Configure read commands for each sampling
307 307  
308 308  RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
... ... @@ -406,7 +406,7 @@
406 406  
407 407  * **a: length for the return of AT+COMMAND**
408 408  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
409 -* **c: define the position for valid value.  **
421 +* **c: define the position for valid value. **
410 410  )))
411 411  
412 412  Examples:
... ... @@ -447,8 +447,8 @@
447 447  
448 448  
449 449  
450 -1.
451 -11.
462 +1.
463 +11.
452 452  111. Compose the uplink payload
453 453  
454 454  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
... ... @@ -512,8 +512,8 @@
512 512  
513 513  
514 514  
515 -1.
516 -11.
527 +1.
528 +11.
517 517  111. Uplink on demand
518 518  
519 519  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
... ... @@ -526,8 +526,8 @@
526 526  
527 527  
528 528  
529 -1.
530 -11.
541 +1.
542 +11.
531 531  111. Uplink on Interrupt
532 532  
533 533  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -541,9 +541,10 @@
541 541  AT+INTMOD=3  Interrupt trigger by rising edge.
542 542  
543 543  
544 -1.
556 +1.
545 545  11. Uplink Payload
546 546  
559 +
547 547  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
548 548  |Value|(((
549 549  Battery(mV)
... ... @@ -592,7 +592,7 @@
592 592  
593 593  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
594 594  
595 -1.
608 +1.
596 596  11. Configure RS485-BL via AT or Downlink
597 597  
598 598  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -603,17 +603,20 @@
603 603  
604 604  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
605 605  
606 -1.
607 -11.
619 +
620 +1.
621 +11.
608 608  111. Common Commands:
609 609  
624 +
610 610  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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
611 611  
612 612  
613 -1.
614 -11.
628 +1.
629 +11.
615 615  111. Sensor related commands:
616 616  
632 +
617 617  ==== Choose Device Type (RS485 or TTL) ====
618 618  
619 619  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -654,6 +654,7 @@
654 654  * XX XX XX XX: RS485 command total NN bytes
655 655  * 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
656 656  
673 +
657 657  **Example 1:**
658 658  
659 659  To connect a Modbus Alarm with below commands.
... ... @@ -762,6 +762,7 @@
762 762  
763 763  * AT+MBFUN=0: Disable Modbus fast reading.
764 764  
782 +
765 765  Example:
766 766  
767 767  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -846,7 +846,7 @@
846 846  
847 847  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
848 848  
849 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
850 850  
851 851  
852 852  
... ... @@ -890,6 +890,7 @@
890 890  * A7 01 00 60   same as AT+BAUDR=9600
891 891  * A7 01 04 80  same as AT+BAUDR=115200
892 892  
911 +
893 893  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
894 894  
895 895  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -917,18 +917,20 @@
917 917  
918 918  
919 919  
920 -1.
939 +1.
921 921  11. Buttons
922 922  
942 +
923 923  |**Button**|**Feature**
924 924  |**RST**|Reboot RS485-BL
925 925  
926 -1.
946 +
947 +1.
927 927  11. +3V3 Output
928 928  
929 929  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
930 930  
931 -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. 
952 +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.
932 932  
933 933  
934 934  The +3V3 output time can be controlled by AT Command.
... ... @@ -941,12 +941,12 @@
941 941  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
942 942  
943 943  
944 -1.
965 +1.
945 945  11. +5V Output
946 946  
947 947  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
948 948  
949 -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. 
970 +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.
950 950  
951 951  
952 952  The 5V output time can be controlled by AT Command.
... ... @@ -961,13 +961,14 @@
961 961  
962 962  
963 963  
964 -1.
985 +1.
965 965  11. LEDs
966 966  
967 967  |**LEDs**|**Feature**
968 968  |**LED1**|Blink when device transmit a packet.
969 969  
970 -1.
991 +
992 +1.
971 971  11. Switch Jumper
972 972  
973 973  |**Switch Jumper**|**Feature**
... ... @@ -988,6 +988,7 @@
988 988  
989 989  1. Case Study
990 990  
1013 +
991 991  User can check this URL for some case studies.
992 992  
993 993  [[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
... ... @@ -1013,7 +1013,7 @@
1013 1013  
1014 1014  
1015 1015  
1016 -1.
1039 +1.
1017 1017  11. Common AT Command Sequence
1018 1018  111. Multi-channel ABP mode (Use with SX1301/LG308)
1019 1019  
... ... @@ -1032,8 +1032,8 @@
1032 1032  
1033 1033  ATZ
1034 1034  
1035 -1.
1036 -11.
1058 +1.
1059 +11.
1037 1037  111. Single-channel ABP mode (Use with LG01/LG02)
1038 1038  
1039 1039  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1075,6 +1075,7 @@
1075 1075  * For bug fix
1076 1076  * Change LoRaWAN bands.
1077 1077  
1101 +
1078 1078  Below shows the hardware connection for how to upload an image to RS485-BL:
1079 1079  
1080 1080  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1108,7 +1108,7 @@
1108 1108  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1109 1109  
1110 1110  
1111 -1.
1135 +1.
1112 1112  11. How to change the LoRa Frequency Bands/Region?
1113 1113  
1114 1114  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1115,9 +1115,10 @@
1115 1115  
1116 1116  
1117 1117  
1118 -1.
1142 +1.
1119 1119  11. How many RS485-Slave can RS485-BL connects?
1120 1120  
1145 +
1121 1121  The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1122 1122  
1123 1123  
... ... @@ -1128,11 +1128,11 @@
1128 1128  
1129 1129  Please see this link for debug:
1130 1130  
1131 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1156 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
1132 1132  
1133 1133  
1134 1134  
1135 -1.
1160 +1.
1136 1136  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1137 1137  
1138 1138  It might about the channels mapping. Please see for detail.
... ... @@ -1143,6 +1143,7 @@
1143 1143  
1144 1144  1. Order Info
1145 1145  
1171 +
1146 1146  **Part Number: RS485-BL-XXX**
1147 1147  
1148 1148  **XXX:**
... ... @@ -1158,6 +1158,7 @@
1158 1158  * **RU864**: frequency bands RU864
1159 1159  * **KZ865: **frequency bands KZ865
1160 1160  
1187 +
1161 1161  1. Packing Info
1162 1162  
1163 1163  **Package Includes**:
... ... @@ -1166,6 +1166,7 @@
1166 1166  * Stick Antenna for LoRa RF part x 1
1167 1167  * Program cable x 1
1168 1168  
1196 +
1169 1169  **Dimension and weight**:
1170 1170  
1171 1171  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1173,6 +1173,7 @@
1173 1173  * Package Size / pcs : 14.5 x 8 x 5 cm
1174 1174  * Weight / pcs : 170g
1175 1175  
1204 +
1176 1176  1. Support
1177 1177  
1178 1178  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
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