22 Device Description
WAGO-I/O-SYSTEM 750
750-439 8DI NAMUR Ex i
Manual
Version 1.3.0, valid from HW Version 03, SW Version 03
3.6
Technical Data
3.6.1
Dimensions and Weight
Table 8: Technical Data – Dimensions and Weight
Width
24 mm
Height
67.8 mm
Length
100 mm
Weight
95.6 g
3.6.2
Power Supply
Table 9: Technical Data – Power Supply
Power consumption (field supply)
11 mA + load
Power consumption (system supply)
56 mA
Supply voltage, field
24 VDC, via power jumper contacts
(powered by Ex i with
U
O
= max. 27.3 V)
Supply voltage (system)
Via the local bus (5 VDC system
supply) and via power jumper contacts
(24 VDC field supply
Supply voltage (sensor)
8.2 V DC (± 0.2 V), short-circuit-
protected, isolated channels
Power consumption P
max.
1.2 W
Power loss P
l
0.54 W
Rated surge voltage
1 kV; rated surge voltage between
intrinsically safe and non-intrinsically
safe circuits: 1.5 kV (EN 60079-11)
Current
max.
via power jumper contacts
1000 mA
Isolation
300 VAC system/supply
Pollution degree
2
Overvoltage category
II
3.6.3
Communication
Table 10: Technical Data – Communication
Data width internal (local bus)
16 bits each (input and output data)