Optidew User’s Manual
50 97551 Issue 1, February 2018
APPENDIX B
31 001F R uint16 Pressure Unit Set using register 101
0=psig
1=psia
2=barg
3=bara
4=kPa
Instrument Status
33 0021 R uint16 Operating Mode
5=MaxCool
6=DCC
7=Hold
8=Measure
9=Standby
10=FAST
13=System Failure
34 0022 R uint16 Mode Hrs Left
35 0023 R uint16 Mode Mins Left
36 0024 R uint16 Mode Secs Left
37 0025 R uint16 Sensor Status
0=Idle
1=In-Control
2=Heating
3=Cooling
38 0026 R uint16 Fault Status 1
0=OK
1=Optics Search Fail
2=Optics Min Limit
4=Optics Max Limit
8=Ambient Pt100 Fail
16=Mirror Pt100 Fail
32=Mirror Overheat
64=Loop Fail (Pressure Tx)
128=Heating Saturation
256=Cooling Saturation
39 0027 R uint16 Fault Status 2
0=OK
1=Ambient Pt100 Open
2=Ambient Pt100 Low
4=Ambient Pt100 High
8=Mirror Pt100 Open
16=Mirror Pt100 Low
32=Mirror Pt100 High
64=Loop Open (Pressure Tx)
128=Loop Alarm (Pressure Tx)
256=Loop Fail (Pressure Tx)
512=Contaminated
40 0028 R uint16 Alarms Status