Manual

13
Curtis PMC 1207/1207A Manual 6
WIRING: Standard Configuration (Series Motor)
The basic wiring for series motors with field reversing is shown in Figure 3.
2 — INSTALLATION & WIRING: 1207 Controller
Fig. 3 Standard
wiring diagram
(series motor),
Curtis PMC 1207
controller.
MULTI
MODE
EMERGENCY
REVERSE
A2
A1
REVERSE
CONTACTOR
PRECHARGE RESISTOR
(250 Ω, 5 W)
BRAKE FORWARD
CONTACTORS
MAINREVERSE
SWITCHES
CONTROL
FUSE
M- A2
B+B-
FORWARD
CONTACTOR
POWER
FUSE
KEYSWITCH
POLARITY
PROTECTION
DIODE
S1S2
THROTTLE
5kΩ–0 (TYPICAL)
MAIN
CONTACTOR
B-
B+
FORWARD
REVERSE
A
The configuration shown in Figure 3 is a typical arrangement for a series motor.
Curtis PMC controllers are designed for use in a wide range of applications, and
accordingly can be installed in a variety of ways to best meet customer needs.
NOTE : The emergency reverse check feature (wiring shown by dashed line) is a
factory option.