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MarathonSeriesFA/FR 23
Figure19:Wiringfor2‐WireSensorSetup
5.7.3ConnectingtoTerminalBlock
Ifyouneedtoextendthewiringortohaveacompletewiringofallinputs/outputs,usetheTerminal
Blockaccessory.Makesureyouconnectthecolor‐codedwirescorrectly.
Figure20:ConnectionsfromSensortoComputerwiththeTerminalBlock
To Computer
RS232 serial port
RS232/485
Interface Converter
XXX485CV…
XXX485CVT…
Terminal Block
(for cable extension)
Electronics Housing
9 VDC power supply o
r
24 VDC power supply
From electronics housing or
another sensing head
To Computer
RS232 serial port
RS232/485
Interface Converter
XXX485CVT…
Electronics Housing
9 VDC power suppl
y
or ...
24 VDC power supply
from TxB
from TxA
Ground
+24 VDC
(
o
p
tional
)