Vestil EPT-30 - Manual (Page 29)

29
Curtis PMC 1207/1207A Manual 22
WIRING: Standard Configuration (Series Motor)
The basic wiring for series motors with field reversing is shown in Figure 3
A
.
2 A — INSTALLATION & WIRING: 1207A Controller
Fig. 3 A
Standard
wiring diagram
(series motor),
Curtis PMC 1207A
controller.
MULTI
MODE EMERGENCY
REVERSE
A2 A1
REVERSE
CONTACTOR PRECHARGE RESISTOR
(250 Ω, 5 W)
BRAKE FORWARD
CONTACTORS
MAIN REVERSE
SWITCHES
CONTROL
FUSE
M- A2
B+ B-
FORWARD
CONTACTOR
POWER
FUSE
KEYSWITCH
POLARITY
PROTECTION
DIODE
S1 S2
MAIN
CONTACTOR
B-
B+
FORWARD REVERSE
THROTTLE
5k Ω–0 (TYPICAL)
A
The configuration shown in Figure 3
A
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.