Neptronic SKS4 Modbus, User Manual

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SKS4 Steam to Steam Humidifier
Modbus Communication Module User Guide
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Modbus Registers
Table Glossary
Name Description Name Description
W Writable Register ASCII For registers containing ASCII (8-bit) characters
RO Read Only Register MSB Most Significant Byte
Unsigned For range of values from 0 to 65,535, unless otherwise specified LSB Least Significant Byte
Signed For range of values from -32,768 to 32,767, unless otherwise specified MSW Most Significant Word
Bit String For registers with multiple values using bit mask (example, flags) LSW Least Significant Word
Modbus Registers Table
Protocol
Base
Holding
Register
Description Data Type Units, Limits, State Texts Writable
Default
Value
0 40000 1 Modbus Address and Product Type Unsigned
MSB = Product type, not writable
LSB = Modbus Address (1 to 247), writable
W
1 40000 2 Device Baud Rate
Unsigned
Scale 100
0, 9600, 19200, 38400, and 57600, 0 = Auto Baud
Rate Detection Value/100 (e.g. 38400 baud = 384)
W 19200
2 40000 3
Modbus Slave Communication Port
Configuration
Unsigned
0 = No parity, 2 Stop bits
1 = Even parity, 1 Stop bit
2 = Odd parity, 1 Stop bit
W
No parity,
2 Stops bits
3 40000 4 Product Name (characters 8 & 7) ASCII MSB = char 6, LSB = char 7 W
4 40000 5 Product Name (characters 6 & 5) ASCII MSB = char 4, LSB = char 5 W
5 40000 6 Product Name (characters 4 & 3) ASCII MSB = char 2, LSB = char 3 W
6 40000 7 Product Name (characters 2 & 1) ASCII MSB = char 0, LSB = char 1 W
7 40000 8
Product Actual Firmware Version (in
Integer x100)
Unsigned
Scale 100
1 to 65535 (e.g. 100) RO