1 — OVERVIEW
Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022 Return to TOC
pg. 4
WHAT IS NEW IN FOS 4.5.0.0 ... HIGHLIGHTS
1. Expanded the motor temperature sensor type to include the mapping of a custom sensor. See the
parameter Sensor Type (0x3688) = 0. When selected, the sensor map menu will open in CIT.
2. IM Motor Types updated to 558. PMAC Motor Types updated to 149.
3. Added the instructions for using Hall switch motor position sensor with PMAC motors in
Chapter 6.
4. Various FOS improvements. For example:
- Continued Parameter/Monitor variables help text updates.
- Fixes to main welded and motor open checks to correctly report motor open faults instead of
overcurrent.
- Fixed the monitor variable motor_control_active showing the wrong state. is variable can be
used to verify the controller is actively controlling torque to the motor and is typically useful
for manual control of an EM brake.
- Added the EM Brake Test menu (Chapter 4).
- Various faults, fault-actions updated, including for dual-drive applications.
For complete details on the FOS changes, consult the FOS 4.5 OEM Release Notes available from
the Curtis distributor or the regional Curtis sales-support oce.
GETTING THE MOST OUT OF YOUR CURTIS CONTROLLER
Thoroughly read and refer to this manual to apply and configure the controller. Understanding
the installation & wiring guidelines, the parameter settings, the VCL functions, the initial
setup & commissioning, and using the diagnostic and troubleshooting guide are critical to a
successful application.
This manual describes the typical usage of the controller. If the intended application is not
illustrated or discussed within this manual, contact the Curtis distributor or the regional Curtis
sales-support oce for additional technical support. e Curtis sales and support oce-contact
information is available from the Curtis Instruments website under the International tab.
https://www.curtisinstruments.com/international/
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