tech/Ops SEVCON SC2000 Series - Fig 6 Sc25 Xx Power Circuit

Page 50 SC2000 Manual – 177/52301 Rev G 22
nd
October
2004
F2
B-
Freewheel
Diode
Capacitor
Bank
Battery -ve
Battery +ve
REGEN
FWD
REV
Fig. 6 - SC25xx Power Circuit Dual Motor Traction + Traction
Regen, Proportional.
LINE (OPTIONAL)
A
Main
Fuse
Battery
Disconnect
A
Regen Diode
P.S.
P.S.
Fuse
P.S. MOTOR
To Key Switch
FWD
REV
A
A2
S2
S1
Plug Diode
Plug Diode
Traction
Shunt
Shunt
A1
Traction
F1
Freewheel
Diode
Left Motor
(external to
controller)
Right MotorLeft Motor
Signal wire to
Connector B
Pin 9
Bypass
Bypass
RES
RES
FW
Optional Wiring
Power Terminal
Note 1 : Do Not supply any auxilliary equipment from the controller B+ Terminal.
2 : For Plug only Traction controllers, there is no Regen contactor or diode.
B+
Note
This wire must be
connected directly
to the controller B+
B+ Terminal
Control
Right Motor
Control