S+S Regeltechnik FSFTM-Modbus, Operating Instructions Manual

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HYGRASGARD ® FSFTM - Modbus | Telegrams
TELEGRAMS
Function 04 Read Input Register
Register Parameter Data Type Value Range
3x0001 Temperature Sampling 4 s Signed 16 Bit 0...500 0.0...+50.0 °C
3x0002 Temperature Filtering 32 s Signed 16 Bit 0...500 0.0...+50.0 °C
3x0003
Relative humidity Sampling 4 s Signed 16 Bit 0...1000 0.0...100.0 % r.H.
3x0004
Relative humidity Filtering 32 s Signed 16 Bit 0...1000 0.0...100.0 % r.H.
3x0005 Setpoint potentiometer Signed 16 Bit 0...1000 0.0...100.0 %
3x0006 Dew point Computed value Signed 16 Bit 0...500 0.0...+50.0 °C
3x0007 Absolute humidity Computed value Signed 16 Bit 0...800 0.0...80.0 g/m
3
3x0008 Mixture ratio Computed value Signed 16 Bit 0...800 0.0...80.0 g/kg
3x0009 Enthalpy Computed value Signed 16 Bit 0...850 0.0...85.0 kJ/kg
Function 08 Diagnostics
The following sub function codes are supported
Sub Function
Code
Parameter Data Type Answer
00 Echo of transmission data
(Loopback)
Echo data
01 Restart Modbus
(Reset listen-only mode)
Echo telegram
04 Activation listen-only mode No answer
10 Delete counter Echo telegram
11 Counter bus telegrams Unsigned 16 Bit All valid bus telegrams
12 Counter communication errors
(Parity, CRC, frame errors, etc.)
Unsigned 16 Bit Faulty bus telegrams
13 Counter exception telegrams Unsigned 16 Bit Error counter
14 Counter slave telegrams Unsigned 16 Bit Slave telegrams
15 Counter telegrams without answer Unsigned 16 Bit Broadcast messages (address 0)
Function 17 Report Slave ID
Composition of answer telegram
Byte No. Parameter Data Type Answer
00
Number of bytes Unsigned 8 Bit 6
01 Slave ID (device type) Unsigned 8 Bit 11 =
HYGRASGARD ® Modbus
02 Slave ID (device class) Unsigned 8 Bit 20 = HYGRASGARD
®
/ HYGRASREG
®
03 Status Unsigned 8 Bit 255 = RUN, 0 = STOP
04 Version number (release) Unsigned 8 Bit 1…9
05 Version number (version) Unsigned 8 Bit 1…99
06 Version number (index) Unsigned 8 Bit 1