62
NDX VALVE CONTROLLER
Valve Diagnostics Limits
Parameter name
Description
Default value
Limits/options
Total Valve Travel Limit
Set the Total Valve Travel alert limit.
Counter increases by 1 whenever the valve has travelled one
full stroke, or 100 % of the valve movement.
The valve is considered to have moved when the valve posi
tion changes
+/ 0.5 %
E.g. when the valve moves 10 %, the counter increases by 0.1”
1000 0000
010 0000 0000
Total Valve Reversals Limit
Set the Total Valve Reversals alert limit.
This counter increases by 1 whenever the direction of valve
movement changes.
1000 0000
010 0000 0000
Valve Position Above High Limit
Set valve position high alert limit.
If a measurement exceeds the limit, a status is activated for
the device and an event is generated.
120
20 – 120 %
Valve Position Below Low Limit
Set valve position low alert limit.
If a measurement goes below the limit, a status is activated for
the device and an event is generated.
20
20 – 120 %
Maximum Stiction Too High Limit
Set maximum stiction high alert limit.
If a measurement exceeds the limit, a status is activated for
the device and an event is generated.
16 bar
0 – 16 bar
Maximum Stiction Too Low Limit
Set maximum stiction low alert limit.
If a measurement goes below the limit, a status is activated for
the device and an event is generated.
0 bar
0 – 8 bar
Load For Opening Too High Limit
Set load for opening high alert limit.
If a measurement exceeds the limit, a status is activated for
the device and an event is generated.
10 bar
010 bar
Load For Opening Too Low Limit
Set load for opening low alert limit.
If a measurement goes below the limit, a status is activated for
the device and an event is generated.
0 bar
010 bar
13 DEVICE TYPE MANAGER (DTM)
