4 — PROGRAMMABLE PARAMETERS
Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022 Return to TOC
pg. 50
Servo Speed Mode
A common application of this mode is expected to be Automated Guided Vehicles (AGVs).
Servo Speed Mode is intended for low latency, tight control of motor speed. e soware is optimized
for high resolution, high bandwidth control. Speed Mode and Speed Mode Express control modes
provide an optimized out-of-the-box experience for operator controlled vehicles. While these modes
provide enhanced vehicle drive ability, they may get in the way when engineers are seeking pure
speed control for automated systems. Servo speed mode aims to be simple to set up and tune, with
new tuning features and control structures that are easy to understand. However, a lot of the higher-
level functions are not included, and using this control mode will require a greater integration eort.
Consult Curtis and the Servo Mode manual supplement before proceeding with this control mode.
1
For the Direct Torque mode, no normal vehicle control functionality is included, this mode is intended only if implementing
vehicle control externally, either in VCL or using an external VCM.
This mode must ONLY be used with motors Curtis has characterized in house and verified the torque estimate
accuracy of.
2
The same as mode 2, but no normal vehicle control functionality is included. This mode is intended only if implementing vehicle
control externally, either in VCL or using an external VCM.
Note: Both modes 3 and 4 offer a unique hill hold function – please contact Curtis for more information.
3
The Steering Mode is not applicable to the F2-T/D controller.
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