22 Device Description
WAGO I/O SYSTEM 750 XTR
750-481/040-000 2AI RTD Ex i XTR
Manual
Version 1.1.0
3.6
Technical Data
3.6.1
Device Data
Table 7: Technical Data – Device
Width
24 mm
Height (from upper edge of DIN-rail)
60.6 mm
Depth
100 mm
Weight
91.6 g
Degree of protection
IP20
3.6.2
Power Supply
Table 8: Technical Data – Power Supply
Supply voltage, field
24 VDC via power jumper contacts
(Supply via Ex i XTR power supply: U
O
= max. 26.8 V)
Current consumption, field supply
12 mA
Current consumption, system supply
25 mA
Power consumption P
max.
0.45 W
Power loss P
l
0.45 W
Isolation
300 VAC system/supply
Current via power jumper contacts
max
1000 mA
3.6.3
Inputs
Table 9: Technical Data – Inputs
Number of inputs
2
Signal type
Resistance thermometer: Pt100, Pt200, Pt500, Pt1000, Ni100,
Ni120, Ni1000
Resistances: 1.2
kΩ, 5
kΩ
Potentiometer setting: 0 % ... 100 % (1.2
kΩ, 5
kΩ)
Sensor connection
2 conductors, 3 conductors
Temperature range
−200
°C ... +850 °C (Pt),
−60
°C ... +250 °C (Ni),
−80
°C ... +320 °C (Ni120)
Resolution
0.1 °C, 0.1
Ω, 0.0049
%
Conversion time
150 ms ... 500 ms (per channel)
Measurement/output error (25 °C)
< ±0.2 % of the largest
measurement/output area
Temperature coefficient
< ± 0.01 %/K of the largest
measurement/output area
Measuring current
typ.
< 0.5 mA