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

G
THERMASGARD ®
Function 04 Read Input Register
Register
3x0001 Temperature
3x0002 Temperature
3x0003 Temperature
Function 02 Read Discrete Input
Register
0x0001
0x0002
Note: The addresses 1x0003...1x0008 are read with the value "0".
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
Without filtering
1 sec. filtering
10 sec. filtering
Parameter
Sensor error – breakage
Sensor error – short circuit
Data Type Value
Signed 16 Bit – 500...+ 1500
– 999...+ 9999
Signed 16 Bit – 500...+ 1500
– 999...+ 9999
Signed 16 Bit – 500...+ 1500
– 999...+ 9999
Data Type Value
Bit 0 0 / 1
Bit 1 0 / 1
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 2 = THERMASGARD
Unsigned 8 Bit 10 = THERMASGARD
Unsigned 8 Bit 255 = RUN, 0 = STOP
Unsigned 8 Bit 1...9
Unsigned 8 Bit 1...99
Unsigned 8 Bit 1
14
Range
– 50 ... +150 °C
Overflow
– 50 ... +150 °C
Overflow
– 50 ... +150 °C
Overflow
Range
ON - OFF
ON - OFF
®
MODBUS
® / THERMASREG ®