Figure 2-14, Figure 2-15 – West Control Solutions MRC 8000 User Manual
Page 19

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FIGURE 2-14
Transmitter Power Supply Input
If the isolated 24 VDC regulated transmitter power supply has been specified, the connections
should be made as shown. Connections are made using TB3, terminal 1 is positive and
terminal 2 is negative. The power supply is capable of providing the power needed by up to 2
transducers (40 mADC maximum).
FIGURE 2-15
Position Proportioning Control Output
Position Proportioning control requires that two relays (or SSR Drivers) and the Position
Proportioning Auxiliary input be specified. On a dual pen instrument, either pen may be
configured with Position Proportioning control provided the outputs and auxiliary inputs have
been properly specified.
SHIELDED
TWISTED
PAIRS
1 2
3 4
5
+
-
TB4 or TB5
TB3
1 2
+ -
+ -
1 2
3 4
5
+
-
TB4
TB3
1 2
+ -
1 2
3 4
5
+
-
TB5
+ -
+ -
TWO WIRE
TRANSMITTERS
TWO WIRE
TRANSMITTERS
TWO WIRE
TRANSMITTERS
Modulating Motor
Slidewire
Feedback
Resistance
min. 135
ohms
max. 10K
ohms
L1
L2
OPEN
CLOSE
L
H
C
3
4
5
TB4
or
TB5
1
2
3
4
TB6 or
TB7