1. Function
A
terminal
input
module
(TIM)
connects
directly
to
a
data
logger
or
GRANITE
analog
ue
input
module.
It
provides
completion
resistors
for
resistive
bridge
measurements,
voltage
dividers,
and
precision
current
shunts.
The
4WPB100
and
4WPB1K
are
used
to
provide
completion
resistors
for
4
wire
half
bridge
measurements
of
100
Ω
and
1
kΩ
platinum
resistance
thermometer
(PRT),
respectively.
NOTE:
The GRANITE 6 and CR6 include the fixed resistor and current excitation required to complete
the half-bridge circuit without a terminal input module. However, the GRANITE 6 and CR6
are still compatible with a terminal input module and may be used with one, should the
application require it.
FIGURE 1-1. Terminal input module
4WPB100, 4WPB1K PRT Bridge Terminal Input Modules
1
