MSP4 / MSP5 / MSP6
P. 4 / 7
EM-4854 Rev.8
INSTALLATION
The following is a general procedure for mounting the MSP
to a valve with a yoke and coupling.
Be sure NOT TO CHANGE factory adjusted setting of the
MSP.
Remove power supply during the procedure unless other-
wise specified.
1) Supply power to the MSP and apply 0% input (100% for
direct action). Turn the output stem fully clockwise (seen
from the cover).
2) Turn the valve stem to fully closed position (fully clock-
wise).
3) Set the yoke to the MSP.
4) Set the coupling to the valve stem and fit the MSP out-
put stem into the coupling. Then fix the yoke and valve
temporarily.
5) Fix the coupling so that there is no eccentricity between
both stems.
6) Fix the yoke and valve firmly after checking the eccen-
tricity of both stems again.
7) Attach the position indicator if required.
WIRING CONNECTION
Refer to the following diagram when wiring. If an optional terminal box is provided, remove its cover and connect lead-
wires.
MSPx
Bolts (M5)
Position Indicator
Yoke
Lock Nut
Output Stem
Valve Stem
Valve Bonnet
Adjust distance.
Figure 6. Example of the MSP Mounted to a Valve
Remark 1: The yellow wire must be left unconnected if the position output signal is not required. Cut the exposed section of
copper wire and insulate the tip of the wire.
Remark 2: The MSP6 is not provided with full-open/-closed signals.
black (1)
+
(U)
–
(V)
+
COM1
+
COM2
COM1
white (2)
red (3)
green (4)
yellow (5)
blue (6)
gray (7)
brown (8)
(1) to (8): Terminal No. of terminal box.
Full-open/-closed signals and forced open/close signals are optional.
POWER
INPUT
POSITION OUTPUT (1 – 5V DC)
FULL-OPEN or
FULL-CLOSED
SIGNAL
(
output stem
)
retracted
(
output stem
)
extended
+
(U)
–
(V)
+
COM1
+
COM2
POWER
INPUT
POSITION OUTPUT (1 – 5V DC)
FULL-OPEN or
FULL-CLOSED
SIGNAL
(
output stem
)
retracted
(
output stem
)
extended
COM1
FORCED
OPEN/CLOSE
SIGNAL
FORCED
OPEN/
CLOSE
SIGNAL
(
output stem
)
retract
(
output stem
)
extend
(
output stem
)
retract
(
output stem
)
extend
1
3
2
4
6
5
7
8
11
9
10
• With Both Full-open/closed Signal
and Forced Open/Close Signal
Figure 7. Wiring Diagram
3.2 min.
4.5 max.
3.2 min.
5.9 max.
10
■
WIRING INSTRUCTIONS FOR TERMINAL BOX OPTION
• Other Terminal Box Type
• Sequential Control Signal Suffix Code B
Applicable wire size 1.25 mm
2
Remove insulation by 10 mm.
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CH - 5453 Busslingen
Tel. +41 (0)56 222 38 18
Fax +41 (0)56 222 10 12
www.sentronic.com
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