Tecomat TC600
TXV 138 08.02
28
Resolution means the smallest detectable change of the input variable
expressed in technical units. It represents the value of the least significant
bit of input data (LSB).
Tab. 5.2a. Resolution of input data of TC634 resistance temperature scan-
ners
Data format
Scanner type
FS
Technical units
PID
tenths of
C
tenths of
Pt100, W100 = 1.385
0.016021
C/ LSB
0.1
C/ LSB
Pt100, W100 = 1.391
0.016021
C/ LSB
0.1
C/ LSB
Ni1000, W100 = 1.617 0.0039673
C/ LSB
0.1
C/ LSB
Ni1000, W100 = 1.500 0.0039673
C/ LSB
0.1
C/ LSB
0 to 630
9.6131 m
/ LSB
0.1
/ LSB
0.01 %/ LSB
0 to 2520
38.452 m
/ LSB
0.1
/ LSB
0.01 %/ LSB
Tab. 5.2b Resolution of input data of TC634 current and voltage inputs
Data format
FS
Technical units
PID
Measurement
range
A
mV
tenths of mV
0 to +20 mA
0.30518
A
1
A /LSB
0.01 % /LSB
+4 to +20 mA
0.24414
A
1
A /LSB
0.01 % /LSB
0 to +10 V
0.15259 mV
1 mV /LSB
0.01 % /LSB
0 to +2 V
0.030518
mV
0.1 mV /LSB
0.01 % /LSB
Tab. 5.3a. Accuracy of measurement of inputs for TC634 resistance tem-
perature scanners
Scanner type
Maximum error
(25 °C)
Temperature drift
(0 to 50 °C)
Pt100, W100 = 1.385
0.5
C
0.011
C/
C
Pt100, W100 = 1.391
0.5
C
0.011
C/
C
Ni1000, W100 = 1.617
0.4
C
0.009
C/
C
Ni1000, W100 = 1.500
0.4
C
0.009
C/
C
0 to 630
2
40 m
/
C
0 to 2520
8
70 m
/
C
Tab. 5.3b Accuracy of measurement of TC634 current and voltage inputs
Measurement range
Maximum error
(25 °C)
Temperature drift
( 0 to 50 °C)
0 to +20 mA
400
A
8
A /
C
+4 to +20 mA
400
A
8
A /
C
0 to +10 V
200 mV
4 mV /
C
0 to +2 V
40 mV
800
V /
C
Resolution of input
data
Resolution of input
data of resistance
temperature scanners
Resolution of input
data of current and
voltage inputs
Accuracy of
measurement of
inputs for resistance
temperature
scanners
Accuracy of
measurement of
current and voltage
inputs
