Moeller Marine XI/OC SIGNAL MODULES 05/02 AWB2725-1452GB User Manual

Page of 38
Technical data
05/02 AWB2725-1452GB
30
Temperature acquisition module
h
More information on the temperature acquisition module 
can be found in Chapter 2 from Page 15 onwards.
Type
XIOC-4T-PT
Platinum RTD
Pt100 (IEC 751) / Pt1000
Temperature resolution
15 bit, with sign
Accuracy
1)
–20 to 40 °C (Pt100)
G0.5 °C
–50 to 400 °C (Pt100)
G3 °C
–50 to 400 °C (Pt1000)
G6 °C
Temperature measurement range
–20 to +40 °C / –50 to +400 °C (constant current 2 mA)
Number of inputs
4
Conversion time
Typ. 1 second for 4 channels
Electrical isolation
Between inputs and the I/O bus
Through optocoupler
Between inputs
External supply voltage
24 V DC
Internal current consumption
Max. 200 mA
External resistance
Max. 400 O/channel
External cabling
Shielded cable
Additional functions
Linearisation
Fault detection
–20 to +40 °C
–50 to +400 °C
The resistance value is 7FFF
hex
 at:
F –25 °C or f 45 °C 
F –60 °C or f 410 °C
Response to cable break or unused inputs
 In this case, the resistance is 7FFF
hex
.
Weight
0.18 kg
1) The quoted accuracy applies after 10 minutes of operation. The maximum temperature deviation can 
be somewhat larger just after the start. The characteristics of the RTD resistor must also be checked 
for correctness.
Figure 38:
Module wiring
Figure 39:
Terminal assignments for 
module XIOC-4T-PT
+24 V 
H
0 V 
H
b0
B0
b1
B1
b2
B2
b3
B3
A0
A1
A2
A3
0 V
24 V 
H
A0
B0
b0
A3
B3
b3
RTD
RTD