D
Relay to Control Motor Rotation
12 VDC
3-15 VDC
240 VAC
Green
(Gnd)
White
Black
Red
Black
Wire
Wire
N.O
COM
D E
Dual Relay Motor Control
You can operate several motors at the same time with different voltage requirements. Each pair of relays
can be connected to a motor and power supply of different voltages. This method allows 5 volt DC
motors to be controlled at the same time that 12 volt DC motors are being used.
MOTOR CW-CCW ROTATION SETUP
The amount of voltage applied to the Motor Power +V and -Gnd connection for each set of motor relays
is determined by the motor voltage. A 5 volt motor would require a 5 volt supply. A 12 volt motor would
require a +12 volt supply, etc.
Interface controlled setup that operates DC Permanent Magnet Motors
with CW (Clockwise) and CCW (Counter Clockwise) rotation control.
* NOTE:
NO
NC
COM
NO
NC
COM
Relay 1
Relay 2
CW
Rotation
CCW
Rotation
Motor
No. 1
+V
-Gnd
MOTOR
POWER
E
BLACK Wire
RED Wire
Radio Shack
SPDT Miniature PC Relays
(Cat. No. 275-248A)
C
C
* MOTOR
POWER
Relay 1
+V
-Gnd
Com
5-12 Volt DC
Permanent
Magnet Motor
Motor
No. 1
CW
Rotation
CCW
Rotation
Relay 2
NC
D
E
D
E
Com
NC
NO
NO
(D, E) To Push Button
Switches or Relay
ON/OFF Control Signal
RED Wire
BLACK Wire
C
C
( Wizard Controls - Digital Outputs )
NC
NO
NO
C
C
NC
Copyright © 2008 Blue Point Engineering, All Rights Reserved
(D, E) To Push Button Switches or
Relay - ON/OFF Control Signal
