West Control Solutions MRC 7000 Controller Manual - Manual (Page 19)

19
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.
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, TB7
or TB8
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