Thermo Scientific TSX Series Installation And Operation Manual page 77

Function
S.No Parameter
Code
System
20 0x03
Status
72 | Appendix D: Modbus ASCII Parameter Table
Address in Modbus
Size
hexadecimal Command
3a 31 39
30 33 30
36 36 46
66F 1
30 30 30
31 36 45
0d 0a
Relay
Data
Enclosure Data
Type
Response
3A 31 39
30 33 30
0x2
32 32 38 uchar
8
42 41 0D
0A
Ultra Low Temperature Freezers
Remarks
b0 - Temperature pull
down attained,
b1 - Power failure,
b2 - Main - UI comm
failure,
b3 - Service Mode Active,
b4 - main shutdown,
b5 - BOT status (set only
after entry to BOT),
b6 - unused,
b7 - Bus comm failure