Fisher FIELDVUE DVC2000 Instruction Manual Supplement page 18

DVC2000 Digital Valve Controller
September 2017
Additional Device Status
Byte Bit
7 Reserved
6 Reserved
5 Reserved
4 Reserved
3 Reserved
3
2 Reserved
Integrator Saturated High
1
Alert
Integrator Saturated Low
0
Alert
7 Travel Alert Lo
6 Travel Alert Lo Lo
5 Travel Alert Hi
4 Travel Alert Hi Hi
4 3 Travel Deviation Alert
2 Travel Limit/Cutoff Hi Alert
1 Travel Limit/Cutoff Lo Alert
0 Drive Signal Alert
7 Reserved
6 Reserved
5 Reserved
4 Reserved
5
3 Reserved
2 Option Module Error
1 Limit Switch 2 Status
0 Limit Switch 1 Status
7 Reserved
6 Reserved
5 Reserved
4 Reserved
6
3 Reserved
2 Reserved
1 Reserved
0 Reserved
"Reserved" bits are always set to 0.
1. Sets "Field Device Malfunction".
2. Sets "More Status Available".
18
Name of Status Bit
2
2
2
2
2
2
2
Instruction Manual Supplement
Active if the instrument integrator is saturated at the high
extreme.
Active if the instrument integrator is saturated at the low extreme.
Active when the Travel is below the Travel Alert Lo Point.
Active when the Travel is below the Travel Alert Lo Lo Point.
Active when the Travel exceeds the Travel Alert Hi Point.
Active when the Travel exceeds the Travel Alert Hi Hi Point.
Active if the difference between the Travel Target and the Travel
exceeds the Travel Deviation Alert Point for more than the Travel
Deviation Time.
Active when the Travel exceeds the Hi Limit/Cutoff Point.
Active when the Travel falls below the Lo Limit/Cutoff Point.
Active when the Drive Signal exceeds target limits (<10% or
>90%) for more than 20 seconds when not in Cutoff condition.
Set to "1" if Limit Switch 2 is enabled, powered, and closed.
Set to "1" if Limit Switch 1 is enabled, powered, and closed.
Meaning
D103783X012