THOMPSON PUMP J1939 - Level;Pressure Maintain Throttle

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LEVEL/PRESSURE MAINTAIN THROTTLE
With level or pressure maintain throttle, engine speed adjusts to maintain the selected level or
pressure.
Example: Pressure Transducer (0 to 50 psi range)
Target Pressure = 30 psi
Minimum Speed = 1000 rpm
Maximum Speed = 2000 rpm
Operation
If pressure = 20 psi, engine speed increases up to 2000 rpm until 30 psi is reached
If pressure = 40 psi, engine speed decreases down to 1000 rpm until 30 psi is reached
If pressure = 30 psi, engine speed holds
The throttle response time can be increased or decreased by adjusting the “Gain Trim Setting” in the
Auto Operations Settings menu.
Level or pressure maintain throttle can be combined with any of the automatic engine start/stop
modes. If any automatic speeds settings are not required (such as warm up), set the time delay to
0:00 seconds for that parameter.
For level/pressure maintain operation, the highlighted menu settings are required.
Auto Operation Settings Menu
Start/Stop Input (Floats, Transducer)
Fail Safe Float (On, Off)
Fail Safe Speed (Default = 2400 rpm)
Fail Safe Off Delay (Default = 0:00 seconds)