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MICROPROCESSOR
MOTOR SPEED CONTROLLERS
MODEL 1207A
•
Thermal protection and compensation circuitry provide under
temperature cutback, constant current limit over the operating
range and linear rollback in over temperature. No sudden
loss of power under any thermal conditions.
•
Over voltage and under voltage protection.
•
Fully compatible with 1311, 1314, and 1307 Programmers
for full parametric adjustment, tuning, test and diagnostics.
•
Complete diagnostics of the controller can also be
accomplished with the built-in status LED.
•
Meets or exceeds EEC fault detection requirements with
circuitry and software to detect faults in the throttle circuit,
MOSFET drive circuits, MOSFET transistors, contactor drivers
and contactors.
•
Input sequencing options include neutral start (HPD) and static
return to off (SRO).
•
True arcless contactor switching with microprocessor
DESCRIPTION
Curtis PMC 1207A series of motor speed controllers feature a
microprocessor based logic section combined with a proven
MOSFET power section. The 1207A series controllers are efficient,
cost effective and easy to install.
controlled contactor sequencing.
•
Throttle position variable or fixed plugging current options.
•
Neutral braking option provides for automatic plug braking
in neutral.
•
MultiMode™ option for programmable two mode (current
limit, speed, acceleration) operation.
•
Emergency reverse function (belly button) provides full
function with a single input. Additional output provides for an
emergency reverse circuit continuity check.
•
Anti-rollback (ramp start) function gives full power for starting
on ramps.
•
Simple contactor and switch wiring. Coil drivers are
monitored for short and open circuit for fail-safe operation.
•
Flexible throttle circuitry accepts a variety of throttle types
including: 5k-0, 0-5k, 0-5v, and three wire potentiometer.
•
Programmable output for use as either a main contactor
driver or a shunt field driver.
APPLICATION
The Curtis PMC 1207A controllers are ideally suited for small
electric vehicle applications, such as walkie fork/pallet trucks,
mini personnel carriers, sweepers, and other small series or
compound motor applications.
FEATURES
•
Compact size.
•
Advanced high frequency power section utilizing custom
power MOSFETs provides high efficiency, silent operation and
reduced motor and battery losses.
•
Power connections made by solid copper busses with
polarized Molex connector for control signals.
www.curtisinstruments.com
MODEL 1207A
MODEL CHART
Curtis PMC
Models
1207A-41XX
1207A-51XX
Voltage
(Volts)
24
24
1 Minute
Rating
(Amps)
250
300
5 Minute
Rating
(Amps)
150
170
1 Hour
Rating
(Amps)
100
110
Typ. Voltage
Drop @ 100A
(Volts)
0.35
0.30
Undervoltage Ambient Temp.
Cutback
Range
(Volts)
(Cª)
16
-25 to 50
16
-25 to 50
DIMENSIONS mm
165 (6.50")
4 TERMINALS:
8.4 (.33″) DIA HOLE THRU
21.0 (.83″) x 16.0 (.63″) x 1.5 (.06″) THK
28.0 (1.10")
61.0 (2.40")
STATUS
65.0 (2.56")
66.0 (2.60")
4.8 (.19")
122 (4.80")
6.73 (0.265") DIA
TYP 3 PLCS
6.4 (.25")
152.4 (6.00")
PROGRAMMER CONNECTOR
TYPICAL WIRING
BRAKE
MODE
EMERGENCY
REVERSE
FORWARD
REVERSE
REVERSE
CONTACTORS
FORWARD
MAIN
BRAKE
KEYSWITCH
KEYSWITCH
THROTTLE
5K - 0 (TYPICAL)
EMERGENCY
REVERSE
MODE
REVERSE
EMERGENCY
REVERSE
CHECK
FORWARD
M-
POLARITY
DIODE
CONTROL
FUSE
A2
B-
B+
16
8
9
1
POWER
MAIN
FUSE CONTACTOR
B+
POT WIPER
LO (VOLTS)
S2
FORWARD
CONTACTOR
S1
REVERSE
CONTACTOR
MAIN/
SHUNT*
POT
HI
REVERSE
MAIN/
SHUNT*
RHEOSTAT
(5K )
FORWARD
THROTTLE INPUTS
OUTPUT DRIVERS
*CONNECTED INTERNALLY
B-
A1
A
A2
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.
50018 REV D 10/08
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