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King Pigeon Communication Co., Ltd.
V1.0
www.iot-solution.com
Modbus to MQTT IoT Gateway
-BL101
5.2.1.6 Add S475 Datapoint
(1) Click S475, move mouse cursor to the right box, right click the mouse and click
Add to enter datapoint configuration box
(2) Variable Name: Set the name of datapoint, for example, temperature
(3) Address Type: S475 temperature supports fucntion code 04, thus select 04 read
input register
(4) Data Type: S475 temperature is 16-bit signed numeric data, thus select int16
(5) Read-Write Type: Automatic Identifying it according to Address Type
(6) Variable Unit:
℃
(set any unit according to actual requirement)
(7) Starting Address: 24 (Datapoint temperature register address in S475 is 24)
(8) Adding Qty: If consecutive addresses to be collected, the same function code can
collect it simultaneously.
(9) Ratio: set the ratio to be multiplied or minified for uploading to cloud
(10)Modbus Mapping Address: 0 (S475 temperature data is saved in register address
0 of BL101).
Modbus mapping address can be any from 0 to 2000 and it can’t be repeated
(11)MQTT Flag: temp. It can be any identification mark and can’t be repeated.
(12)Click OK to confirm.
Note: After confirming the configuration, datapoints will appear in the box like above
picture. To add more datapoints, right click the box and click Add to enter configuration
box. Perform the same procedure as Step (2)-(11)
Note: Click Save Data. Gateway will restart automatically. After device restarting,
S475 datapoint is added successfully.
