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S.
Function
Parameter
No
Code
Display
Managed
22
RTD
0x03
Temperature
30 |
Appendix B: Modbus ASCII Parameter Table
Address
Modbus
in hexa
Size
Command
decimal
3A 30 31
30 33 30 35
500
2
30 30 30 30
30 32 46 35
0D 0A
Relay
Data
Enclosure
Data
Type
Response
3A 31 39
30 33 30 34
0xFF
46 46 46 46
FFFB
int
46 46 42 33
2
32 43 0D
0A
Remarks
Convert the data
value into signed 2's
complement which
gives the data.
Ex: Signed 2's
complement of the
0xFFFFFB2 is equal
to –78.
So the Display
Managed RTD
Temperature value is
–78°C.
Isotemp -86°C Freezers
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