VRN DYNAMIC PRESSURE-REGULATING CONTROL VALVES AND ACTUATORS
PROPORTIONAL ACTUATOR
2
-10 Vdc
0
-10 Vdc
0
-10 Vdc
2
-10 Vdc
1
2
1
24 VAC
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2
0(2)-10 VDC OF 0(4)-20 mA CONTROL SIGNAL ACCEPTABLE.
SET CONTROL SIGNAL DIP SWITCH TO "OFF" FOR VOLTAGE.
SET TO "ON" FOR CURRENT.
Fig. 7. MN7505 with Modulating Control.
Fig. 8. Wiring for model with aux./end switches.
FLOATING ACTUATOR
BLACK
WHITE
BROWN
3
2
4
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
USE CLASS II 24V TRANSFORMER FOR MVN643.
Fig. 9. MVN613 or MVN643 with Floating Control.
38-00005EFS—02
+
3
4
5
PROPORTIONAL
CONTROLLER
FEEDBACK
+
2
–
M18947B
24 VAC
2
FLOATING
CONTROLLER
M33137C
FLOATING ACTUATOR
2
3
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
USE CLASS II 24V TRANSFORMER FOR MVN643.
2
Fig. 10. MVN613 or MVN643 with 2-Position Control.
FLOATING ACTUATOR
2
3
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
USE CLASS II 24V TRANSFORMER.
Fig. 11. MVN643 with Two Position SPST Control.
PROPORTIONAL/MODULATING: 4-20mA CONTROLLER OUTPUT WITH
500Ω SERIES RESISTOR
PROPORTIONAL ACTUATOR
DIP SWITCH POSITION
1
OFF
OFF
ON
ON
1
1
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
USE CLASS II 24V TRANSFORMER.
Fig. 12. MVN713 with 4-20mA Control.
4
BLACK
2
WHITE
BROWN
4
FLOATING
CONTROLLER
2
BLACK
WHITE
BROWN
SPST
4
2
MODE
OFF
2-10V
ON
0-10V
OFF
10-2V
ON
10-0V
RED
BLACK
TO OTHER
ACTUATORS
WHITE
500 OHMS,
1/2 W
MINIMUM
+
2
3
1
24 VAC
M33138C
1
24 VAC
M33557B
1
2
24 VAC
+
–
4-20mA
CONTROLLER
M33141B