Thermo Scientific TSX Series Installation And Operation Manual page 74

Function
S.No Parameter
Code
15 TC8 0x03
16 TC9 0x03
Ultra Low Temperature Freezers
Address in Modbus
Size
hexadecimal Command
3a 31 39
30 33 30
34 45 34
4.00E+04 2
30 30 30
32 46 41
0d 0a
3a 31 39
30 33 30
34 45 38
4.00E+08 2
30 30 30
32 46 36
0d 0a
Relay
Data
Enclosure Data
Type
Response
3A 31 39
30 33 30
0x4
34 34 31
1BC
42 43 43 Float
CD9
44 39 46
F
37 33 0D
0A
3A 31 39
30 33 30
0x4
34 34 31
1BE
42 45 32 Float
28A
34 41 31
1
31 34 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"
69