AC Motor Controller with VCL
Motor Controllers
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The Ultimate Class III Truck Control System: Superb Performance and Value
The Curtis Model AC F2-A Motor Controller provides accurate speed and torque control of 3-phase AC induction and
PMAC motors.
Model AC F2-A is fully optimized for use as a traction controller on 1.0 ton-2.0 ton Class III pedestrian-operated powered
pallet trucks. It provides vehicle designers with the ability to fully dene and control the detailed dynamic performance
of their vehicle’s drivetrain, and also provides comprehensive vehicle management and CAN capabilities. Model AC F2-A
is also suitable for traction or hydraulic pump control on other types of battery powered vehicles.
Together with the Curtis model 3141 CAN LCD display and the user-friendly Curtis Integrated Toolkit, the Curtis model
AC F2-A is the ultimate Class III truck control system.
FEATURES
Fit for Purpose
▶ Compact, rugged housing with very small ‘footprint’
for its power rating.
▶ Heavy duty M6 busbars for motor and battery
connectors.
▶ Sealed, 23-pin AMPseal I/O connector.
▶ Impervious to most oils, solvents, degreasers and other
chemicals often encountered by industrial vehicles.
▶ IP65 and IP67 environmental protection as per IEC 60529.
▶ Exceeds latest global conformance requirements for
functional safety, electrical safety and EMC.
▶ CE marked as a programmable safety device.
▶ UL583 recognized component.
Motors
▶ Easily configured to work with any AC induction or
PMAC motor.
▶ Improved motor auto-characterization setup allows
simple on-truck pairing with different Induction
motor types.
You Feel It When You Drive It—
Maximum Torque, Minimum Losses, Full control
▶ The latest implementation of Curtis’ renowned field-
oriented control algorithms and our advanced PWM
switching technology assure maximum motor output
torque and highest possible system efficiency across
the entire torque/speed spectrum.
▶ Smooth and predictable drive control that only Curtis
can deliver.
▶ Comprehensive library of AC motor types stored
controller memory.
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FEATURES continued
Get More Out of Your Battery—
Regardless of the Technology
▶ High-efficiency means more of your battery’s energy
is converted to motor output power.
▶ Fully configurable over- and under-voltage
protection parameters.
▶ Wide operating voltage range allows use with the
latest cell chemistries such as lithium ion.
▶ Configurable CANbus and VCL allows easy integration
with the BMS (Battery Management Systems)
typically found on lithium battery packs.
Powerful, High Performance Dual Microprocessors
▶ Dual-micro architecture achieves up to PL=D,
category 2 functional safety under
EN ISO 13849-1 / EN1175-1:1998+A1:2010.
▶ Ultra-fast processor speeds allows highly accurate
control and regulation of voltage, frequency and current.
▶ Hardware ‘ready’ for the forthcoming EN1175:2020.
Customize Your Vehicle with VCL
▶ The Curtis VCL (Vehicle Control Language) allows
Curtis AC motor controllers to perform as ‘vehicle
managers,’ eliminating the need for costly, additional
system controllers.
Comprehensive CAN Capabilities
▶ Configurable 11 or 29 bit protocol support for
CANopen or J1939 use.
▶ ‘Plug and Play’ support for Curtis CAN displays and a
variety of CAN tiller heads from leading
manufacturers FREI and REMA.
▶ Fully compliant with CANopen protocol CiA 301.
▶ Capable of acting as ‘CAN interpreter’ allowing 3rd
party CAN devices with differing profiles to work on
the same CAN network.
Improved Diagnostics
▶ Integrated, high visibility status LED with simplified flash
code sequence for at-a-glance system troubleshooting.
▶ Thermal cutback, warning, and automatic shutdown
provide protection to motor and controller.
▶ Improved error logging and fault history tables with
CAN Emergency Messages.
CAN-based Programming
▶ Model AC F2-A is programmable over the CANbus.
This allows simpler ‘vehicle level’ communication with
many of the CAN-based service tools used by the
major industrial truck manufacturers worldwide.
▶ Allows use of the Curtis Integrated Toolkit.
Highly Flexible I/O
▶ All I/O pins are multi-function, and can be configured
to provide up to:
– 17 Digital Inputs
– 9 Analog Inputs
– 2 Potentiometer sources
– 5 Output drivers, including proportional valve driver
– Quadrature encoder input
– Sine/Cosine sensor input
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SYSTEM ACCESSORIES
Curtis Model 3141
A cost-effective, CAN-based LCD vehicle
status display in a rugged 52mm
diameter housing is the ideal partner
to model AC F2-A.
▶ Large, easy-to-read
16-segment format LCD.
▶ Battery Discharge Indicator, Service
(Hours) Counter and Diagnostic/
Message Center functions.
▶ Sealed to IP65 (IP67 optional).
▶ 12–48V nominal operating
voltage range.
▶ CE compliant, UL583
recognized component.
▶ Optional backlight and heater.
The Curtis Integrated Toolkit
A fully integrated suite of development and diagnostic tools for use on
CAN systems using Curtis and other 3rd party CAN-based products. It is
comprised of the following tools that run in a shared environment:
▶ Launchpad
Starting point and project editor.
▶ Programmer
Used to congure parameters,
view monitor values, and view
active faults and the fault history.
▶ TACT
Improved version of the
stand-alone oscilloscope/
datalogging tool.
The Curtis Integrated Toolkit is compatible with many leading
USB>CAN interface dongles from Peak, Kvaser, iFAC, Sontheim,
etc. Contact your local Curtis Sales office for further information.
▶ VCL Studio
Editor and Compiler for
VCL software.
▶ Menu Editor
Tool to create and modify
programming menus.
▶ Package & Flash
Downloader tool to load your
software into the CAN device.
MODEL CHART
Model
AC F2-A 12-120-001 12V 120Arms 40Arms Yes
AC F2-A 24-120-001 24V 120Arms 40Arms Yes
AC-F2-A 24-200-001 24V 200Arms 67Arms Yes
AC-F2-A 24-240-001 24V 240Arms 80Arms Yes
AC F2-A 24-240-001 24V 240Arms* 84Arms* Yes
AC F2-A 48-150-001 36-48V 150Arms* 50Arms* Yes
AC F2-A 48-240-001 36-48V 240Arms* 80Arms* Yes
*Subject to change, please contact your Curtis sales representative for more information.
All models are also available without internal 120Ω CAN termination
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Nominal Battery
Voltage
Maximum Current:
[S2-1 minute]
Maximum Current:
[S2-60 minute]
Internal 120Ω
CAN Termination
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DIMENSIONS
120.0
106.0
STATUS
LED
155.0
2X ø7.5
141.0
7.0
7.0
2X ø7.0
5X M6X1.0 - 6H 18
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53.0
55.0
11.0
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CONNECTOR WIRING
LIFT
LOWER
EMR_N.O.
EMERG. REV.
EMR_N.C.
REVERSE
FORWARD
INTERLOCK
J1-23
J1-22
J1-21
J1-19
J1-15
J1-14
J1-8
SWITCH 14 / ANALOG 14 / +12V
SWITCH 13
SWITCH 12
SWITCH 11 / ENC1_C
SWITCH 8 / ANALOG 8
SWITCH 7 / ANALOG 7
SWITCH 5 / ANALOG 5
KSI
KSI COIL RETURN
DRIVER 3 / SWITCH 23
DRIVER 2 / SWITCH 22
DRIVER 5 / SWITCH 25
DRIVER 4 / SWITCH 24
DRIVER 1 / SWITCH 21
J1-1
J1-2
J1-5
J1-4
J1-3
J1-6
J1-7
MAIN
BRAKE
PUMPEM
PROP
VALVE
KEYSWITCH
FUSE
THROTTLE
WIPER
MOTOR
TEMPERATURE
SENSOR*
CAN
PORT
Curtis 3141 CAN-based Gauge
*NOTE: KTY sensor shown. The banded end must be connected to I/O Ground.
PINOUT CHART
J1-10
SWITCH 6 / ANALOG 6 / POT HI
J1-11
SWITCH 1 / ANALOG 1 / POT WIPER
J1-12
I/O GROUND
J1-9
ANALOG 2 / SWITCH 2 / MOTOR TEMP
J1-12
I/O GROUND
J1-13
J1-20
CAN H
CAN L
INTERNAL 120Ω
TERMINATION ON
MODELS –x01
SWITCH
14 /+12V
SWITCH
SWITCH
8
13
SWITCH
SWITCH
7
I/O GROUND
12
CANHI/O
ENC1_A
ENC1_B
CAN
L
B+
U
V
W
B−
GND
+5V
SWITCH
11
J1-16
J1-17
J1-18
J1-12
WIPER
ENC
B
FUSE
POT
HI
PHASE-A
PHASE-B
GND
ENC
A
MOTOR
TEMP
MAIN
EMERGENCY
STOP
AC
MOTOR
5V
ROTOR
POSITION
ENCODER
BATTERY
+5V
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231622 21
15 9
14 13 12 11 10
8
7
SWITCH
5
DRIVER
DRIVER
1
6 5
4
DRIVER
20
3
19 18
4 3
DRIVER
2
DRIVER
5
17
2
COIL
RETURN
1
KSI
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SPECIFICATIONS
Nominal Input Voltage 12V 24V 36/48V
Minimum Voltage 9V 12V 18V
Brownout Voltage 8.3V 8V 12V
Maximum Voltage 15V 30V 63V
PWM Frequency 10Khz
Maximum Controller Output Frequency 800Hz
Electrical Isolation to Heatsink 500Vac
Storage Ambient Temperature –40°C to 95°C
Operating Ambient Temperature –40°C to 50°C
Controller linearly reduces maximum current limit with an internal heatsink
Thermal Cutback
temperature from 85°C (185°F) to 95°C (203°F); complete
cutoff occurs above 95°C (203°F) and below –40°C (–40°F).
Design Life 8000 hours
Operating Duration at Maximum Current 1 Minute
Package Environmental Rating IP65/IP67
Weight 1.1Kg (2.2lbs)
Dimensions W x L x H 120mm x 155mm x 53mm
EMC Designed to the requirements of EN 12895:2015
Designed to the requirements of EN1175-1:1998+A1: 2010,
EN ISO 13849-1:2015
WARRANTY
Safety
UL UL recognized component per UL583
Two year limited warranty from time of delivery.
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Specifications subject to change without notice 50304 REV G 11/20©2020 Curtis Instruments, Inc. is a trademark of Curtis Instruments, Inc.
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