05/02 AWB2725-1452GB
15
2 Temperature acquisition module XIOC-4T-PT
Features
Pt100 (IEC751) and Pt1000 resistance thermometers can be
connected to the XIOC1000T-PT temperature acquisition module.
Three temperature ranges are available, that can be selected via
DIP switches.
Table 4: Setting the temperature range
Wiring
Figure 18: DIP switch position for temperature setting
a DIP switch
Type of resistance
thermometer
Temperature
measurement range (ºC)
Accuracy (ºC)
DIP switch
Pt100 –20 to + 40 ± 0.5
1, 2, 5 = ON
Pt100 –50 to + 400 ± 3
3, 6 = ON
Pt1000
–50 to + 400 ± 6
4, 7 = ON
a
ON
OFF
2
34
5
6
7
8
1
ON
OFF
2
34
5
6
7
8
1
ON
OFF
2
34
5
6
7
8
1
Figure 19: Wiring example
a Join the terminals of unused inputs (b2-B2-A2 in the diagram).
Unused inputs have an indefinite status. The value is 7FFF
hex
.
b The shielding of the cable can be grounded at one or both ends,
depending on the interference situation.
c External supply voltage, 24 V DC
RTD = Resistance Temperature Detector
NC = Not connected/unused
b0
B0
b1
B1
b2
B2
b3
B3
+24V
A0
NC
A1
NC
A2
NC
A3
NC
0 V
RTD
RTD
RTD
24 V H
a
b
c
