MTS Series 505 SilentFlo Hydraulic Power Unit Model 505-180 - Manual (Page 85)

Setting Up Run-On-Demand
Model 505.60 - 505.180 SilentFlo™ HPU Operation 85
Setting Up Run-On-Demand
The run-on-demand (ROD) option automatically starts or stops pumps to meet
the hydraulic flow demand from the system. The PLC monitors the hydraulic
fluid flow. When the flow changes beyond a trigger point for a set period of time,
one of the pumps is turned on or off.
From the current screen, press and hold the ROD Setup button on the user
interface for five seconds. When the ROD Setup screen displays, if only the
Flow Meter Not Present button is displayed, press this button to display the
setup parameters buttons.
1. Check the Minimum # of Pumps on Startup. The range shown is
dependant on the HPU model.
If necessary, press the Range: 1-4 _ Pump Selected. to change the pump
number. The following popup panel displays.
Press the up or down arrow as necessary until the desired number of pumps
displays. Press Enter to select the value.
2. Check the Next Stage On Delay.
If necessary, press the Range: 1-60 _ Seconds Selected. to change the delay
time. Use the popup panel described above to increase or decrease the delay.
3. Check the Minimum Available Flow Trigger.
If necessary, press the Range: 1-25 _ gpm (_lpm) Selected. to change the
minimum flow value. Use the popup panel described above to increase or
decrease the trigger value.
4. Check the Next Stage Off Delay.
If necessary, press the Range: 10-60 _ Minutes Selected. to change the
delay time. Use the popup panel described above to increase or decrease the
delay.