Co2meter S8 Miniature 10,000ppm CO2 Sensor User manual

www.modbus.org

Modbus on SE-0119

1. General .......................................................................................................... 1

2. Byte transmission. ........................................................................................... 3

3. Modbus registers on sensor. ............................................................................. 4

4. Serial line frame and addressing. ...................................................................... 8

5. Bus timing. ..................................................................................................... 8

6. Function codes descriptions (PUBLIC). ............................................................... 9

7. References ....................................................................................................12

...................................................................................13

..............................17



2

6–

Address

Refer to Modbus specification [1].

Quantity of Registers is limited to 32.

Not implemented.

6.11. .



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 

 



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

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      

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 

 



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Table 7: Holding Registers compatibility

Co2meter S8 Miniature 10,000ppm CO2 Sensor, S8 Miniature 5% CO2 Sensor User manual