Auxiliary Potentiometers; Location Of W1, W2 And W3 Selector Plugs; Replacing Cover On Ml7425; Auxiliary Switches - Honeywell ML7425A Series Product Data

ML7425A,B SPRING RETURN ELECTRIC LINEAR VALVE ACTUATOR
ML7425
WIRING
1 2
STRIP
F
+
–
T2
2
3
T1
O1
O2
T775
(WITH 2-10 VDC OUTPUT)
TS
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 9. ML7425 wiring diagram using a 2 to 10 Vdc
output control (e.g., T775) with one transformer.
ML7425
WIRING
2
1
STRIP
F
+
–
T2
2
3
T1
O1
O2
T775
TS
(WITH 4-20 MA OUTPUT)
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 10. ML7425 wiring diagram using a 4 to 20 mA
output control (e.g., T775) with two transformers.
ML7425
WIRING
1 2
STRIP
F
+
–
T2
2
3
T1
O1
500 OHM
O2
RESISTOR
T775
TS
(WITH 4-20 MA OUTPUT)
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 11. ML7425 wiring diagram using a 4 to 20 mA
output control (e.g., T775) with one transformer.
63-2518-3
SENSOR
3 4 5 6
L1
(HOT)
L2
SINGLE
TRANSFORMER
1
40 VA 24 VAC
M7895
SENSOR
4 6
3 5
L1
(HOT)
L2
DUAL
TRANSFORMERS
1
500 OHM
RESISTOR
L1
(HOT)
L2
1
M7896
SENSOR
3 4 5 6
L1
(HOT)
L2
SINGLE
TRANSFORMER
1
40 VA 24 VAC
M7897
W3
10V
10V
1
Fig. 12. Location of W1, W2 and W3 selector plugs.
1
Fig. 13. Replacing cover on ML7425.

Auxiliary Potentiometers

The 43191679 Auxiliary Potentiometers can be used as
feedback potentiometers and to provide remote indication of
the valve position. See the installation instructions packed
with the potentiometers.
1

Auxiliary Switches

The 43191680 Dual Auxiliary Switch can be used on both the
ML7425A and ML7425B Electric Linear Valve Actuators.
Switching points are adjustable over the full length of the
actuator stroke; for example, the switch can be used to switch
pumps or to provide remote indication of any stroke position.
See the Installation Instructions packed with the auxiliary
switch.
6
W1
W2
50% 100%
0%
2 ... 10V 0 ... 10V
M6631
M6628