6 — COMMISSIONING
pg. 197
Return to TOC Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022
Wigwag with Lift and Lower Switches
If the application uses a wigwag throttle similar to the Curtis ET-126 throttle, use the output switches
to command the li and lower throttles. Since this is a single voltage throttle (each direction outputs
0 – 5 volts), connect the switch outputs as the li and lower switch inputs in Figure 17, then process
the switch status inputs in VCL.
Li = Switch 10: Switch_10 = On or O
Lower = Switch 11: Switch_11 = On or O
Process the throttle via Analog 18, similar to a voltage throttle.
Li Input Type = 2 (Voltage input)
Li Input Source = 18 (unless the value of analog_input_18 is processed in VCL).
Lower Input Type = 2 (Voltage input)
Lower Input Source = 18 (unless the value of analog_input_18 is processed in VCL).
Unless the value of analog_input_18 is processed in VCL, complete the Pump, Li, Lower, and Load
Hold Valve parameters as matches the application.
Application Setup » Hydraulics » Pump Settings
Application Setup » Hydraulics » Lift Settings
Application Setup » Hydraulics » Lower Settings
Application Setup » Hydraulics » Load Hold Valve Settings
Hydraulic System Tuning
To further tune the Li response, adjust the Pump Accel Rate and Pump Decel Rate.
Application Setup » Hydraulics » Pump Settings
To further tune the Lower response, adjust the Lower Accel Rate and Lower Decel Rate.
Application Setup » Hydraulics » Lower Settings
If a bump is felt at the end of Li or Lower operations, increase the Load Hold Opening Delay value
to allow the hydraulic uid to stop owing before the load hold valve closes (Figure 28).
Application Setup » Hydraulics » Load Hold Valve Settings
Set the Li Battery Lockout and Hydraulics_Inhibit_Type parameters as required by the application.
Application Setup » Hydraulics » Lift Settings
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