Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 3.2 >
edited by Xiaoling
on 2022/05/19 17:30
To version < 9.1 >
edited by Xiaoling
on 2022/05/19 17:45
>
Change comment: Uploaded new attachment "image-20220519174512-1.png", version {1}

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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]]
5 5  
6 6  
7 7  
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
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.
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.
31 31  )))
32 32  
33 33  (((
... ... @@ -50,7 +50,7 @@
50 50  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.
51 51  )))
52 52  
53 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
52 +[[image:1652953304999-717.png||height="424" width="733"]]
54 54  
55 55  == 1.2 Specifications ==
56 56  
... ... @@ -57,14 +57,13 @@
57 57  **Hardware System:**
58 58  
59 59  * STM32L072CZT6 MCU
60 -* SX1276/78 Wireless Chip
59 +* SX1276/78 Wireless Chip 
61 61  * Power Consumption (exclude RS485 device):
62 62  ** Idle: 6uA@3.3v
63 63  
64 -*
63 +*
65 65  ** 20dB Transmit: 130mA@3.3v
66 66  
67 -
68 68  **Interface for Model:**
69 69  
70 70  * 1 x RS485 Interface
... ... @@ -74,7 +74,6 @@
74 74  * 1 x Interrupt Interface
75 75  * 1 x Controllable 5V output, max
76 76  
77 -
78 78  **LoRa Spec:**
79 79  
80 80  * Frequency Range:
... ... @@ -91,11 +91,10 @@
91 91  * Built-in bit synchronizer for clock recovery.
92 92  * Preamble detection.
93 93  * 127 dB Dynamic Range RSSI.
94 -* Automatic RF Sense and CAD with ultra-fast AFC.
91 +* Automatic RF Sense and CAD with ultra-fast AFC. ​​​
95 95  
93 +== 1.3 Features ==
96 96  
97 -*
98 -*1. Features
99 99  * LoRaWAN Class A & Class C protocol (default Class A)
100 100  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
101 101  * AT Commands to change parameters
... ... @@ -105,9 +105,8 @@
105 105  * Support Modbus protocol
106 106  * Support Interrupt uplink
107 107  
104 +== 1.4 Applications ==
108 108  
109 -*
110 -*1. Applications
111 111  * Smart Buildings & Home Automation
112 112  * Logistics and Supply Chain Management
113 113  * Smart Metering
... ... @@ -115,65 +115,64 @@
115 115  * Smart Cities
116 116  * Smart Factory
117 117  
113 +== 1.5 Firmware Change log ==
118 118  
119 -1.
120 -11. Firmware Change log
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);"]]
121 121  
122 -[[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/]]
117 +== 1.6 Hardware Change log ==
123 123  
124 -
125 -1.
126 -11. Hardware Change log
127 -
128 -
119 +(((
129 129  v1.4
121 +)))
130 130  
123 +(((
131 131  ~1. Change Power IC to TPS22916
125 +)))
132 132  
133 133  
128 +(((
134 134  v1.3
130 +)))
135 135  
132 +(((
136 136  ~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
134 +)))
137 137  
138 138  
137 +(((
139 139  v1.2
139 +)))
140 140  
141 -Release version
141 +(((
142 +Release version ​​​​​
143 +)))
142 142  
145 += 2. Pin mapping and Power ON Device =
143 143  
144 -
145 -
146 -
147 -1. Pin mapping and Power ON Device
148 -
147 +(((
149 149  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 +[[image:1652953055962-143.png||height="387" width="728"]]
151 151  
152 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
153 153  
154 -
155 -
156 156  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
157 157  
156 += 3. Operation Mode =
158 158  
158 +== 3.1 How it works? ==
159 159  
160 -
161 -
162 -
163 -1. Operation Mode
164 -11. How it works?
165 -
160 +(((
166 166  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 +)))
167 167  
164 +== 3.2 Example to join LoRaWAN network ==
168 168  
169 -1.
170 -11. Example to join LoRaWAN network
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. 
171 171  
172 -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.
168 +[[image:1652953414711-647.png||height="337" width="723"]]
173 173  
174 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
175 175  
176 -
177 177  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
178 178  
179 179  
... ... @@ -223,7 +223,6 @@
223 223  )))
224 224  
225 225  
226 -
227 227  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
228 228  
229 229  Add APP KEY and DEV EUI
... ... @@ -238,14 +238,14 @@
238 238  
239 239  
240 240  
241 -1.
234 +1.
242 242  11. Configure Commands to read data
243 243  
244 244  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.
245 245  
246 246  
247 -1.
248 -11.
240 +1.
241 +11.
249 249  111. Configure UART settings for RS485 or TTL communication
250 250  
251 251  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -293,9 +293,8 @@
293 293  
294 294  
295 295  
296 -
297 -1.
298 -11.
289 +1.
290 +11.
299 299  111. Configure sensors
300 300  
301 301  Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
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318 318  
319 319  
320 320  
321 -1.
322 -11.
313 +1.
314 +11.
323 323  111. Configure read commands for each sampling
324 324  
325 325  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.
... ... @@ -423,7 +423,7 @@
423 423  
424 424  * **a: length for the return of AT+COMMAND**
425 425  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
426 -* **c: define the position for valid value. **
418 +* **c: define the position for valid value.  **
427 427  )))
428 428  
429 429  Examples:
... ... @@ -464,8 +464,8 @@
464 464  
465 465  
466 466  
467 -1.
468 -11.
459 +1.
460 +11.
469 469  111. Compose the uplink payload
470 470  
471 471  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.**
... ... @@ -529,8 +529,8 @@
529 529  
530 530  
531 531  
532 -1.
533 -11.
524 +1.
525 +11.
534 534  111. Uplink on demand
535 535  
536 536  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.
... ... @@ -543,8 +543,8 @@
543 543  
544 544  
545 545  
546 -1.
547 -11.
538 +1.
539 +11.
548 548  111. Uplink on Interrupt
549 549  
550 550  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -558,10 +558,9 @@
558 558  AT+INTMOD=3  Interrupt trigger by rising edge.
559 559  
560 560  
561 -1.
553 +1.
562 562  11. Uplink Payload
563 563  
564 -
565 565  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
566 566  |Value|(((
567 567  Battery(mV)
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610 610  
611 611  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
612 612  
613 -1.
604 +1.
614 614  11. Configure RS485-BL via AT or Downlink
615 615  
616 616  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -621,20 +621,17 @@
621 621  
622 622  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
623 623  
624 -
625 -1.
626 -11.
615 +1.
616 +11.
627 627  111. Common Commands:
628 628  
629 -
630 630  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]]
631 631  
632 632  
633 -1.
634 -11.
622 +1.
623 +11.
635 635  111. Sensor related commands:
636 636  
637 -
638 638  ==== Choose Device Type (RS485 or TTL) ====
639 639  
640 640  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -675,7 +675,6 @@
675 675  * XX XX XX XX: RS485 command total NN bytes
676 676  * 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
677 677  
678 -
679 679  **Example 1:**
680 680  
681 681  To connect a Modbus Alarm with below commands.
... ... @@ -784,7 +784,6 @@
784 784  
785 785  * AT+MBFUN=0: Disable Modbus fast reading.
786 786  
787 -
788 788  Example:
789 789  
790 790  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -869,7 +869,7 @@
869 869  
870 870  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
871 871  
872 -Example screen shot after clear all RS485 commands.
858 +Example screen shot after clear all RS485 commands. 
873 873  
874 874  
875 875  
... ... @@ -913,7 +913,6 @@
913 913  * A7 01 00 60   same as AT+BAUDR=9600
914 914  * A7 01 04 80  same as AT+BAUDR=115200
915 915  
916 -
917 917  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
918 918  
919 919  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -941,20 +941,18 @@
941 941  
942 942  
943 943  
944 -1.
929 +1.
945 945  11. Buttons
946 946  
947 -
948 948  |**Button**|**Feature**
949 949  |**RST**|Reboot RS485-BL
950 950  
951 -
952 -1.
935 +1.
953 953  11. +3V3 Output
954 954  
955 955  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
956 956  
957 -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.
940 +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. 
958 958  
959 959  
960 960  The +3V3 output time can be controlled by AT Command.
... ... @@ -967,12 +967,12 @@
967 967  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
968 968  
969 969  
970 -1.
953 +1.
971 971  11. +5V Output
972 972  
973 973  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
974 974  
975 -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.
958 +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. 
976 976  
977 977  
978 978  The 5V output time can be controlled by AT Command.
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987 987  
988 988  
989 989  
990 -1.
973 +1.
991 991  11. LEDs
992 992  
993 993  |**LEDs**|**Feature**
994 994  |**LED1**|Blink when device transmit a packet.
995 995  
996 -
997 -1.
979 +1.
998 998  11. Switch Jumper
999 999  
1000 1000  |**Switch Jumper**|**Feature**
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1015 1015  
1016 1016  1. Case Study
1017 1017  
1018 -
1019 1019  User can check this URL for some case studies.
1020 1020  
1021 1021  [[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]]
... ... @@ -1041,7 +1041,7 @@
1041 1041  
1042 1042  
1043 1043  
1044 -1.
1025 +1.
1045 1045  11. Common AT Command Sequence
1046 1046  111. Multi-channel ABP mode (Use with SX1301/LG308)
1047 1047  
... ... @@ -1060,8 +1060,8 @@
1060 1060  
1061 1061  ATZ
1062 1062  
1063 -1.
1064 -11.
1044 +1.
1045 +11.
1065 1065  111. Single-channel ABP mode (Use with LG01/LG02)
1066 1066  
1067 1067  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1103,7 +1103,6 @@
1103 1103  * For bug fix
1104 1104  * Change LoRaWAN bands.
1105 1105  
1106 -
1107 1107  Below shows the hardware connection for how to upload an image to RS485-BL:
1108 1108  
1109 1109  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
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1137 1137  [[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]]
1138 1138  
1139 1139  
1140 -1.
1120 +1.
1141 1141  11. How to change the LoRa Frequency Bands/Region?
1142 1142  
1143 1143  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1144,10 +1144,9 @@
1144 1144  
1145 1145  
1146 1146  
1147 -1.
1127 +1.
1148 1148  11. How many RS485-Slave can RS485-BL connects?
1149 1149  
1150 -
1151 1151  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]].
1152 1152  
1153 1153  
... ... @@ -1158,11 +1158,11 @@
1158 1158  
1159 1159  Please see this link for debug:
1160 1160  
1161 -[[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]]
1140 +[[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]] 
1162 1162  
1163 1163  
1164 1164  
1165 -1.
1144 +1.
1166 1166  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1167 1167  
1168 1168  It might about the channels mapping. Please see for detail.
... ... @@ -1173,7 +1173,6 @@
1173 1173  
1174 1174  1. Order Info
1175 1175  
1176 -
1177 1177  **Part Number: RS485-BL-XXX**
1178 1178  
1179 1179  **XXX:**
... ... @@ -1189,7 +1189,6 @@
1189 1189  * **RU864**: frequency bands RU864
1190 1190  * **KZ865: **frequency bands KZ865
1191 1191  
1192 -
1193 1193  1. Packing Info
1194 1194  
1195 1195  **Package Includes**:
... ... @@ -1198,7 +1198,6 @@
1198 1198  * Stick Antenna for LoRa RF part x 1
1199 1199  * Program cable x 1
1200 1200  
1201 -
1202 1202  **Dimension and weight**:
1203 1203  
1204 1204  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1206,7 +1206,6 @@
1206 1206  * Package Size / pcs : 14.5 x 8 x 5 cm
1207 1207  * Weight / pcs : 170g
1208 1208  
1209 -
1210 1210  1. Support
1211 1211  
1212 1212  * 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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