Instruction Manual
7NG3213
72
SITRANS T3K PA
C79000-B7174-C55-03
Trimming range
Parameterizable for application within the
measuring range program: Basis for the
trimming functions (see chapter 3, page 88).
Characteristic
Temperature linear
Resistance based sensor
Sensor type
Linear: 1 resistance based sensor in two,
three or four-wire circuit
Measuring type
Standard (logic channel 1), averaging con-
nection or differentiating connection (of 2
channels)
Standard
1 resistor in two, three or four-wire circuit
Averaging connection
Averaging connection between two resistors
in two-wire circuit, parameterizable equivalent
value behavior (e. g. the value of the other
channel is output if the channel is defective)
Differentiating connection
Differentiating connection between two resi-
stors in two-wire circuit, difference is parame-
terizable (e.g. channel 2 – channel 1)
Series or parallel circuit
Series or parallel circuit of several resistors in
two-wire circuit, e.g. to adapt other transmitter
types is implemented as an additional func-
tion. This gives a scaling factor.
Adjustment at
Two-wire circuit
Parameterizable line resistance
≤
5 % of the
measuring range
Three-wire circuit
No adjustment necessary. The line
resistances between the respective sensor
connection and the appropriate connection to
the transmitter must be the same.
Four-wire circuit
No adjustment necessary.
Sensor current
≤
0.55 mA
Summary of Contents for SITRANS T3K PA 7NG3213
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