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Connections
Calibrator connected to input signal PCB
Control loop connected to input signal PCB
S+
S-
transmitter
Hazardous area
Page 6
display PCB component side
(may be removed for bench calibration)
LO calibration control
HI calibration control
balance control
(factory adjust only)
S-
black
red
S+ S-
S- S+
loop jumper
calibrated
current source
S-
S+
loop jumper
(remove when display PCB is connected)
4-20 mA
Non-hazardous area
SITRANS RD100 – INSTRUCTION MANUAL
S+
input signal PCB
(mounted to base of enclosure)
input signal PCB
power
supply
DP1
DP2
DP3
Field wiring is made to
the input signal PCB
which is mounted to
the base of the
enclosure.
7ML19985JU01
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