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S E PA R AT E L Y E X C I T E D E L E C T R O N I C
MOTOR SPEED CONTROLLER
MODEL 1243 SepEx
®
FEATuRES
Unparalleled Driving and Braking Feel
•
Regenerative braking allows shorter stopping distances,
increases usable battery energy, and reduces motor heating.
The half bridge armature drive topology allows regenerative
braking down to zero vehicle speed.
•
”Ramp Restraint” feature provides automatic electronic braking
that restricts vehicle movement while in neutral.
•
Vehicle speed is controlled by the throttle, at all times including
down hills.
•
“Load Compensation” provides improved loaded versus unloaded
speed regulation by compensating for losses in the armature.
Fully Programmable
•
Fully compatible with the Curtis Models 1311 and 1314
programmers for programming, test, and diagnostic information.
•
MultiMode™ feature allows four user selectable vehicle
operating profiles. Each profile has separate drive current
limits, brake current limits, acceleration rates, brake rates and
maximum speeds.
Easy to Install and Maintain
•
No direction contactors are required. The full bridge field
driver topology allows motor reversing without the use of
direction contactors.
•
Simple wiring and installation by the elimination of the
direction contactors and the use of positive battery connections
for all inputs and driver outputs.
•
Can be configured to match most separately excited motors
and vehicle applications.
•
An auxiliary driver output supports an electro-magnetic brake,
pump contactor, or hour meter. A programmable delay allows
for customization of this driver output.
•
An integral fault LED flashes helpful error code information.
Two fault outputs provide diagnostic information for dash
mounted displays. Diagnostic faults are logged and the
history is viewable through a Curtis Model 1311 and 1314
programmer.
Powerful Safety Features
•
Meets or exceeds EEC fault detection requirements. Circuitry
and software to detect faults in the throttle circuit and
MOSFET drive circuits help prevent unsafe operation.
DESCRIPTION
Curtis PMC Model 1243 SepEx® programmable controllers
provide smooth and seamless regenerative control of separately
excited motors. An advanced MOSFET power section, combined
with a sophisticated microprocessor provides very high efficien-
cy, silent operation and reduced motor and battery losses.
APPLICATION
Curtis PMC Model 1243 SepEx ® controllers are designed
for small material handling and other light industrial vehicles
using separately excited motors. These include low lifts, stackers,
personnel carriers and other industrial vehicles.
www.curtisinstruments.com
MODEL 1243 SepEx
®
FEATuRES continued
•
Emergency reverse feature causes quick vehicle reversal
upon activation. The emergency reverse input wire can
also be checked for continuity.
•
Programmable HPD and SRO interlock options ensure
proper startup sequence.
•
Complies with the CE standards for electromagnetic
compatibility in emissions and susceptibility.
•
Active power on self test and continuous diagnostics
during operation. Internal and external watchdog circuits
ensure proper software operation.
•
All inputs and outputs are fully protected.
Meets or complies with relevant US and
International Regulations
•
Manufactured under ISO 9001 certified Quality
Management System.
•
UL Recognized Component Status.
MODEL CHART
CURTIS PMC MODEL
1243-24XX
1243-42XX
1243-43XX
VOLTAGE
(volts)
24
24-36
24-36
ARMATURE RATING*
(amps)
2 minutes
1hr
350
200
300
100
80
100
FIELD RATING
(amps)
2 minutes 1hr
35
25
35
15
15
15
*Armature rating is for both drive and regen current
Please consult Curtis PMC for availability of other models with different ratings.
TYPICAL WIRING DIAGRAM
E/R
FWD
REV
MODE
MODE
SELECT SELECT
2
1
BRAKE/SEAT
SWITCH
KEYSWITCH
HANDHELD
PROGRAMMER
MAIN
CONTACTOR
COIL
POLARITY
PROTECTION
DIODE
THROTTLE
5KΩ
(TYPICAL)
CONTROL
FUSE
MAIN
CONTACTOR
A2
S2
A1
S1
+
A
POWER
FUSE
MODEL 1243 SepEx
®
DIMENSIONS mm
198
25
156
98
79
57.1
28
7.14
Ø 3 PLACES
11
16
173
S1
S2
51
70 Max
B-
M-
B+
6 Max
114
198
OPTIONS
•
Curtis Model 840 “Spyglass” LCD Multifunction Display
contains 8 large, readable characters to provide display
of battery discharge (BDI), hour meter and error messages.
Backlit display is also available.
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
©2008 Curtis Instruments, Inc.
50045 REV F 10/08
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