AC INDUCTION MOTOR CONTROLLERS •

AC  INDUCTION  MOTOR  CONTROLLERS •
A C I N D U C T ION MOTOR CONTROLLERS
MODEL 1236/1238
1236
F E AT U R E S
Advanced Design and Functionality
• Major performance, operational and system advancements
over DC.
• High frequency, silent operation from 0-300 Hz.
• 24V – 80V battery systems, 350-650 A RMS 2 minute
current ratings.
• Powerful operating system allows parallel processing
of vehicle control tasks, motor control tasks, and user
configurable programmable logic.
• Advanced Pulse Width Modulation technology provides
efficient use of battery voltage, low motor harmonics, low
torque ripple, and minimized switching losses.
• Tunable to any AC motor. Fully programmable for optimal
1238
match to individual AC motor characteristics.
• Built-in battery state-of-charge algorithms and hour meter.
• Field-Programmable, with FLASH downloadable main
operating code.
Superb Drive Control
• Field-oriented vector control, in conjunction with Curtis
tuned algorithms, provide peak torque and optimal
efficiency across the entire operating range.
DESCRIPTION
Advanced motor drive software provides smooth control
over full speed and torque in all modes, including full
regenerative braking, zero speed, and torque control.
• Extremely wide torque/speed range, including full
regeneration capability.
• Internal closed-loop speed and torque control modes allow
for optimized performance – without an additional control
box.
• Peak performance mapping technology lets you to tune
A P P L I C AT I O N
The Curtis 1236 and 1238 Motor Speed Controllers are
designed for use in all types of electric vehicles including
material handling, industrial, Golf, and light-on-road.
the maximum performance envelope in both “driving and
braking” to your specific application through the use of
OEM programmable parameters.
• The Torque Control Mode offers unique features and
provides seamless transitions and positive response under
all conditions.
• Exclusive built-in pump control mode with superior response
to hydraulic load changes.
CURTIS INSTRUMENTS, INC.
200 KISCO AVENUE
MT. KISCO, NY 10549
USA
TEL (914) 666-2971
FAX (914) 666-2188
CURTIS INSTRUMENTS, (UK) LTD.
235 EAST AIRWAY BLVD.
LIVERMORE, CA 94551
USA
TEL (925) 961-1088
FAX (925) 961-1099
5 UPPER PRIORY STREET
NORTHAMPTON NN1 2PT
ENGLAND
TEL 44 (0) 1604-629755
FAX 44 (0) 1604-629876
www.curtisinstruments.com
CURTIS INSTRUMENTS INDIA
PRIVATE LTD.
1199, GHOLE ROAD
PUNE 411004, INDIA
TEL 91 (0) 20-5531288
FAX 91 (0) 20-5539192
MODEL 1236/1238
F E A T U R E S continued
Unmatched Flexibility
• The unique Curtis Vehicle Control Language makes system
design easier than ever for OEMs. Benefit from the many
decades of Curtis experience in the EV industry by using
the provided library of pre-defined functions, or quickly and
simply write your own proprietary functions and algorithms
to differentiate your systems from your competition.
• VCL empowers the controller to monitor and manage the
Robust Safety and Reliability
• Insulated Metal Substrate power base provides superior heat
transfer for increased reliability.
• Fail-Safe power component design.
• Redundant hardware watchdog timers.
• Reverse polarity protection on battery connections.
entire vehicle system without additional hardware, to save
cost and design time.
• Short circuit protection on all output drivers.
• Apply a wide range of I/O wherever you need them, for
• Thermal cutback, warning, and automatic shutdown provide
• CAN bus connection allows communication with other
• Rugged sealed housing and connectors meet IP65
• The same controller model can be used for either pump or
Meets US and International Regulations
maximum distributed system control.
protection to motor and controller.
CAN bus enabled system components. Protocol meets
CANopen standards, or is customizable through VCL.
environmental sealing standards for use in harsh
environments.
traction applications due to the built-in software selectable
pump control mode.
The Curtis Model 1236 and 1238 AC Motor Speed
Controllers are designed to meet:
• Easily programmable through the Curtis 1311 handheld
EN 50081-1-2
programmer and 1314 PC Programming Station.
EN 61000-6-2
EN 12895
Patents Pending
EN 1175
IP65 Rated per IEC 529
MODEL CHART
Model
1236-44XX
1236-45XX
1238-46XX
1236-53XX
1238-54XX
1238-56XX
1236-63XX
1238-65XX
Battery Voltage
V
24-36
24-36
24-36
36-48
36-48
36-48
48-80
48-80
2 Min RMS
Current Rating Arms
(A)
400
500
600
350
450
650
300
550
2 Min RMS
Power Rating
(kVA)
16.6
20.9
25.4
19.7
25.5
36.3
28.1
51.3
SYSTEM ACCESSORIES
The Curtis Model 1311
Handheld Programmer is ideal
for setting parameters and
performing diagnostic functions.
The Curtis Model 840 LCD
Multifunction display contains 8
large, easy to read characters
to provide display of battery
discharge (BDI), hour meter
and error messages. Built-in
backlight is also available.
Contact Curtis to obtain the VCL Vehicle Control Language compiler and development tools.
MODEL 1236/1238
CONNECTOR WIRING
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DIMENSIONS mm
Model
1236-XXXX
165.00
145.00
1238-XXXX
A
165mm
275mm
B
145mm
255mm
All other dimensions shown in the drawing are identical for both the 1236 and the 1238 models.
232.00
12.25
212.00
STATUS LEDS
A
B
6x M8 x 1.25
6x 102
4x Ø 7.00
80.00
6x 82.15
19.00
MODEL 1236/1238
TYPICAL WIRING
SWITCH 1/ANA 1
SWITCH 3
J1-10
SWITCH 4
J1-11
SWITCH 5
J1-12
SWITCH 6
FORWARD
J1-22
SWITCH 7
REVERSE
J1-33
SWITCH 8
PROGRAM
J1-6
DRIVER 1
J1-5
DRIVER 2
DRIVER 3 J1-4
DRIVER 4 J1-3
J1-2
PROP
DRIVER
J1-14
PROGRAM
J1-30
ANA OUT (0-5V)
J1-25
+12V (100 mA)
J1-26
+5V (100 mA)
J1-7
I/O GROUND
J1-19
DIG OUT 1
J1-20
DIG OUT 2
MAIN
J1-16
THROTTLE
WIPER
J1-27
J1-17
J1-18
BRAKE
POT HIGH
BRAKE WIPER
POT LOW
U
400A
V
AC Motor
BATTERY
24-80V
ENCODER
W
+5V
PHASE A
PHASE B
I/O Gnd
J1-26
J1-31
J1-32
J1-7
SPEED
ENCODER
B-
CAN H
J1-23
CAN L
J1-35
}
CAN TERM H
J1-21
CAN TERM L
J1-34
+12V
J1-25
J1-28
4
J1-29
1
J1-7
2
SERIAL
BRAKE POT
THROTTLE POT
THROTTLE
POT HIGH
20A
FUSE
B+
J1-15
KEYSWITCH
SWITCH 2/ANA 2
J1-9
COIL
RETURN J1-13
PROPORTIONAL
VALVE
J1-8
J1-1
E/M
BRAKE
INTERLOCK
KSI
MAIN
J1-24
TX
RX
I/O GROUND
CAN PORT
Short for 120Ω
Termination
3
}
SERIAL PORT
4 PIN MOLEX
8
6
DISPLAY
5
W A R R A N T Y Two year limited warranty from time of delivery.
is a trademark of Curtis Instruments, Inc.
Specifications subject to change without notice
©2004 Curtis Instruments, Inc.
50095 REV D 5/04
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