sepex-controller-1244.pdf

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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 1244 SepEx
®
FEATURES
•
Full bridge control of the motor field allows reversing without
the use of direction contactors.
•
Fully compatible with the Model 1307 Programmer for
programming, diagnosticand test information.
•
Armature current controlled at all times, reducing arcing and
brush wear.
•
Regenerative braking increases usable battery energy and
reduces motor heating.
•
Neutral braking provides automatic braking in neutral
- simulates the feel of compression braking. Braking level
adjustable.
•
MultiMode™ allows four user selectable vehicle operating
profiles.
•
Programmable to match individual separately excited motor
characteristics.
•
Meets or exceeds EEC fault detect requirements with circuitry
and software to detect faults in the throttle circuit, MOSFET
drive circuits, and driver outputs.
DESCRIPTION
Curtis PMC Model 1244 SepEx® programmable controllers
provide smooth and seamless regenerative control of separately
excited motors. An advanced MOSFET power section provides
very high efficiency, silent operation and reduced motor and
battery losses.
•
Vehicle speed is controlled and limited at top end via motor
field control.
•
Passive regen provides vehicle speed control at any throttle
position when going down ramps.
•
Linear temperature cutback on armature and field drive
current limits. No sudden loss of power under any thermal
conditions.
•
Undervoltage cutback reduces motor current to maintain the
battery voltage above the under-voltage point.
•
PWM drivers for contactors are programmable for pullin and
holding currents to reduce power dissipation and allow the
use of common contactors.
•
HPD and SRO interlock options ensure proper startup
sequence.
•
Emergency reverse (belly button) input causes immediate
reversal upon activation.
APPLICATION
Curtis PMC 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 1244 SepEx
®
FEATURES continued
•
Integral fault detect LED flashes error code information.
•
Two fault outputs provide diagnostic information to dash
mounted displays.
•
Fully protected inputs and outputs.
•
Hour meter enable output active only when vehicle is moving.
•
Active power on self test and continuous diagnostics during
operation.
•
Internal and external circuits ensure proper software operation.
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
1244-44XX
1244-45XX
1244-46XX
1244-47XX
1244-54XX
1244-55XX
1244-56XX
1244-64XX
1244-65XX
1244-66XX
VOLTAGE
(volts)
24-36
24-36
24-36
24-36
36-48
36-48
36-48
36-80
36-80
36-80
ARMATURE RATING
(amps)
2 minutes
400
500
600
700
400
500
600
400
500
600
FIELD RATING
(amps)
2 minutes
60
60
60
60
50
50
50
50
50
50
1 minute
DIMENSIONS mm
96 (3.79)
59 (2.33)
27 (1.05)
M8 THREAD
3 PLACES
M6 THREAD
2 PLACES
.281 DIA.
4 PLACES
28 (1.12)
40 (1.57)
178 (7.00)
C
L
159 (6.25)
40 (1.57)
28 (1.12)
81 (3.18)
210 (8.25)
229 (9.00)
13 (.50)
MODEL 1244 SepEx
®
TYPICAL WIRING DIAGRAM
MAIN
CONTACTOR
COIL
FORWARD
SWITCH
REVERSE
SWITCH
5KΩ
THROTTLE
HANDHELD OR PC
PROGRAMMER
MODE SWITCH 2
MODE SWITCH 1
F1
B-
M-
B+
F2
BRAKE/SEAT
SWITCH
KEYSWITCH
MAIN
CONTACTOR
A2
F1
A
A1
F2
+
POWER
FUSE
POLARITY
PROTECTION
DIODE
CONTROL
FUSE
OPTIONS
•
Electro-magnetic brake control.
•
Internal precharge circuit eliminates external resistor and
excessive arcing on main. (Standard on 36-48 and 36-80
volt models)
•
Auxiliary contactor driver for power steering pump.
•
Reverse signal output for backup alarm, lights, etc.
•
Closed-loop speed control utilizing a pulse speed sensor.
•
CAN interface to allow control, programming and status
access through standard communication port.
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.
50028 REV E 4/09

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