Electrical connection
14
A4514-1.0
HBM: public
Z6R…
5.2
Connection in four-wire configuration
When transducers in a six-wire configuration are con
nected to amplifiers in a four-wire configuration, the
sense leads of the transducer must be connected to the
corresponding excitation voltage leads: Marking (+) with
(+) and marking (-) with (-), see Fig. 5.1. This measure
also reduces the cable resistance of the excitation volt
age leads. However, there will be a voltage loss on the
supply leads due to the cable resistance that is still
present and not compensated for by the six-wire configu
ration. A large part of this loss can be eliminated by a
calibration, however, the temperature-dependent part
remains.
Important
The TC
s
value given in the specifications for the trans
ducer therefore does not apply for the cable and trans
ducer combination when connection is in a four-wire con
figuration, where the cable percentage must be added.
The following deviations occur in the case of an uncut
cable (3 m):
S
Sensitivity approx. -0.2%
S
TC
S
approx. -0.01% per 10 K.
5.3
Shortening the cable
If the transducer is connected to an amplifier in a six-wire
configuration, the transducer cable can be shortened as
required, without adversely affecting the measurement
accuracy.
Summary of Contents for Z6R Series
Page 1: ...Operating Manual Bedienungsanleitung Manuel d emploi English Deutsch Fran ais Z6R...
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