Thermo Scientific TSX Series Installation And Operation Manual page 72

Function
S.No Parameter
Code
11 TC4 0x03
12 TC5 0x03
Ultra Low Temperature Freezers
Address in Modbus
Size
hexadecimal Command
3a 31 39
30 33 30
34 44 34
4D4 2
30 30 30
32 30 41
0d 0a
3a 31 39
30 33 30
34 44 38
4D8 2
30 30 30
32 30 36
0d 0a
Relay
Data
Enclosure Data
Type
Response
3A 31 39
30 33 30
0x4
34 34 31
1E5
45 35 34 Float
816
31 36 45
E
43 37 0D
0A
3A 31 39
30 33 30
0xC
34 43 32
2FE
46 45 30 Float
000
30 30 30
0
31 43 0D
0A
Appendix D: Modbus ASCII Parameter Table |
Remarks
Convert the Float to
decimal with below steps:
1.Open the link 
https://www.h-
schmidt.net/
FloatConverter/
IEEE754.html
2.Paste the data in
"Hexadecimal
Representation" and press
Enter.
3.The temp value is shown
in "Decimal
representation"
Convert the Float to
decimal with below steps:
1.Open the link 
https://www.h-
schmidt.net/
FloatConverter/
IEEE754.html
2.Paste the data in
"Hexadecimal
Representation" and press
Enter.
3.The temp value is shown
in "Decimal
representation"
67