Max. in key-to-linemode 10.0Pump 10.0VVActualONCoupling brokenmonitoringPID pressurecontrol parametersPressuresensor BControl modePressure alarm monitoring(global) OFFPressuresensor APressuresensor COperation 4-67P/N 7105144G 2008 Nordson Corporation VersaBlue_NWThreshold SwitchNOTE: The threshold switch is automatically deactivated as long aspressure build-up is enabled.In threshold switch mode the motors are started and stopped by the linespeed signal.Motor100 %Start at:Stop at:0OffOn(lower thresholdvalue)(upper thresholdvalue)Line speedsignalvalueWhen the upper threshold value is exceeded, the motor starts; when thevalue falls below the lower value, the motor stops.Start at: 10.0 %Stop at: 5.0 %If there are no sensors present, touching the key leads to a screen inwhich the coupling broken monitor can be switched on or off.Fig. 4-94 M2.2Screen 4: Pressure Alarms, Speed / Pressure ControlIf pressure sensors are present, touching the key leads to the fourthparameter screen.Pressure alarm monitoring (global)Global = for all motorsPressure alarm monitoring is available only with options Pressure displayand Pressure control.Fig. 4-95 M5If pressure alarm monitoring is switched on, underpressure andoverpressure are monitored. Alarms are triggered depending on the setwarning and fault values (Refer to Pressure Sensor A).NOTE: When the speed is regulated in key-to-line mode, an underpressurewarning can be displayed during parent machine startup until the melterspeed setpoint is reached.