S+S Regeltechnik HYGRASGARD MODBUS Notice D'instruction page 14

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HYGRASGARD
Function 04 Read Input Register
Register
3x0001 Temperature
3x0002 Temperature
3x0003 Relative humidity
3x0004 Relative humidity
3x0005 Dew point
3x0006 Absolute humidity
3x0007 Mixture ratio
3x0008 Enthalpy
Function 08 Diagnostics
The following sub function codes are supported
Sub Function Parameter
Code
Echo of transmission data
00
(Loopback)
Restart Modbus
01
(Reset listen-only mode)
04 Activation listen-only mode
10 Delete counter
11 Counter bus telegrams
Counter communication errors
12
(Parity, CRC, frame errors, etc.)
13 Counter exception telegrams
14 Counter slave telegrams
15 Counter telegrams without answer
Function 17 Report Slave ID
Composition of answer telegram
Byte No. Parameter
00 Number of bytes
01 Slave ID (device type)
02 Slave ID (device class)
03 Status
04 Version number (release)
05 Version number (version)
06 Version number (index)
MODBUS | Telegrams
Parameter
4 s sampling
Filtering
4 s sampling
Filtering
Computed value
Computed value
Computed value
Computed value
Data Type
Signed 16 Bit – 350...+ 800
Signed 16 Bit – 350...+ 800
Signed 16 Bit 0...1000
Signed 16 Bit 0...1000
Signed 16 Bit 0... 500
Signed 16 Bit 0... 800
Signed 16 Bit 0... 800
Signed 16 Bit 0... 850
Data Type Answer
Echo data
Echo telegram
No answer
Echo telegram
Unsigned 16 Bit All valid bus telegrams
Unsigned 16 Bit Faulty bus telegrams
Unsigned 16 Bit Error counter
Unsigned 16 Bit Slave telegrams
Unsigned 16 Bit Broadcast messages (address 0)
Data Type Answer
Unsigned 8 Bit 6
Unsigned 8 Bit 6 = HYGRASGARD
Unsigned 8 Bit 20 = HYGRASGARD
Unsigned 8 Bit 255 = RUN, 0 = STOP
Unsigned 8 Bit 1...9
Unsigned 8 Bit 1...99
Unsigned 8 Bit 1
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Value Range
– 35 ... +80 °C
– 35 ... +80 °C
0 ...100 % r.H.
0 ...100 % r.H.
0 ...+50 °C
0 ... 80 g/m
0 ... 80 g/kg
0 ... 85 kJ/kg
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MODBUS
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/ HYGRASREG
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