Vestil EPT-30 - Manual (Page 31)

31
Curtis PMC 1207/1207A Manual 24
WIRING: Compound Motor Configuration
A specially configured controller is available for compound motor applications.
In this controller, the MOSFET output driver is used to drive the shunt field.
The wiring for a compound wound motor with armature reversing is shown in
Figure 4
A
.
2 A — INSTALLATION & WIRING: 1207A Controller
Fig. 4 A
Compound
motor wiring diagram,
Curtis PMC 1207A
controller.
The configuration shown in Figure 4
A
requires the use of a compound wound
motor. Pure shunt motors cannot be used with 1207A controllers. Although
the configuration shown is typical, various other configurations are possible.
NOTE
: The emergency reverse check feature (wiring shown by dashed line) is a
factory option.
MULTI
MODE EMERGENCY
REVERSE
A2 A1
REVERSE
CONT
ACT
OR
PRECHARGE RESISTOR
(250 Ω, 5 W)
BRAKE FWD
CONTACTORS
MAIN REV
SWITCHES
CONTROL
FUSE
M- A2
B+ B-
FORWARD
CONTACTOR
POWER
FUSE
KEYSWITCH
POLARITY
PROTECTION
DIODE
S1
S2
MAIN
CONTACTOR
B-
B+
FORWARD REVERSE SHUNT
THROTTLE
5k Ω–0 (TYPICAL)
A
B-
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