Dresser RCS Sure 100 Installationshandbuch - Seite 3

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Direction of rotation is based on viewing actuator from top.
To operate multiple actuators in parallel from a single source

Wiring Diagrams

Spring Drive CW On Loss of Power
FIELD WIRING
(NEUTRAL)
L2
A.C. LINE
CCW
STOP
L1
CW
SP-3 POSITION
SNAP ACTION
SWITCH
Figure 2
•
Power to terminal 1 & 2 will motor drive and brake hold actuator
in CCW most position if the brake is energized at terminal 1 & 4
when switch N.O.of SW2 closes.
•
Power to terminal 1 & 4 will brake hold actuator in whatever
position it is in at the time.
•
Power to terminal 1 & 3 will motor drive and spring hold actuator
in CW most position.
•
Loss of power will spring drive and spring hold actuator in CW
most position.
requires isolating relays in the field wiring.
ACTUATOR WIRING
TB
+t
6
HEATER
(OPT.)
1
BRIDGE
MOTOR
RECTIFIER
BRAKE
M2
CAPACITOR
4
NO
SWITCH 2
COM
2
NC
5
NO
SWITCH 1
COM
3
NC
7
NO
COM
SWITCH 3
8
NC
9
10
NO
COM
SWITCH 4
11
NC
12
GREEN
GROUNDING
SCREW
IMPORTANT
Spring Drive CCW On Loss of Power
FIELD WIRING
(NEUTRAL)
L2
M1
THERMAL OVERLOAD
AUTOMATIC RESET
M
A.C. LINE
M3
L1
Figure 3
•
Power to terminal 1 & 3 will motor drive and brake hold actuator
in CW most position if the brake is energized at terminal 1 & 5
when switch N.O. of SW1 closes.
•
Power to terminal 1 & 5 will brake hold actuator in whatever
position it is in at the time.
•
Power to terminal 1 & 2 will motor drive and spring hold actuator
in CCW most position.
•
Loss of power will spring drive and spring hold actuator in CCW
most position.
ACTUATOR WIRING
TB
6
1
BRIDGE
RECTIFIER
4
COM
2
CCW
STOP
5
CW
COM
3
SP-3 POSITION
SNAP ACTION
7
SWITCH
COM
8
9
10
COM
11
12
GREEN
GROUNDING
SCREW
+t
HEATER
(OPT.)
M1
THERMAL OVERLOAD
AUTOMATIC RESET
MOTOR
M
BRAKE
M2
M3
CAPACITOR
NO
SWITCH 2
NC
NO
SWITCH 1
NC
NO
SWITCH 3
NC
NO
SWITCH 4
NC