Precision Digital PD941 - Manual (Page 35)

ConsoliDator Multi-Channel Controller Instruction Manual
35
Plunger Lift by Differential
Pressure Mode
Select [PLUNGER LIFT: DP] from
Alarm Mode options to operate a
plunger lift system that monitors
differential pressure.
Alarm Setup: 1
Alarm Mode: PLUNGER LIFT: DP
Tubing Ch: [A] Flow: 1
Casing Ch: [2] Analog: 2
Set Point: 100.00 GPM
Delay ON: 1.0 sec
After Flow: 5 min
Switch Ch: [1] Reed SW: 1
EDIT EXIT
Tubing Ch Select a 4-20 mA input or pulse input (flow) as the tubing pressure
or flow rate.
Casing Ch Select a 4-20 mA input or pulse input (flow) as the casing pressure
or flow rate.
Switch Ch Select the channel that monitors a (pressure) switch input.
Set Point Enter the process variable point at which the relay closes a valve.
The point may either be differential pressure or flow from a turbine
meter.
Delay On Enter the time between when the set point is reached and the
relay turns on (energizes.)
After Flow Enter a time long enough to guarantee that the plunger will fall to
the bottom of the well.
Plunger Lift by Time Mode
Select [PLUNGER LIFT: TIME] from
Alarm Mode options to operate a
plunger lift system based on time by
specifying the on and off durations
in the cycle.
This mode may also be used as a
general timer to cycle the relay on and
off.
Alarm Setup: 1
Alarm Mode: PLUNGER LIFT: TIME
Rly On/Off: OFF
Time ON: 1.0 min
Time OFF: 5.0 min
EDIT EXIT
Relay On/Off Select [ON] to enable relay function or [OFF] to disable.
TIME ON: Enter relay-on duration.
TIME OFF Enter relay-off duration.