32
Connect Devices
WAGO-I/O-SYSTEM 750
750-539 4DO 24V DC VALVE Ex i
Manual
Version 1.0.1
Figure 12: Supply Principle Ex i
Figure 13: Overvoltage Categories
Table 19: Legend for Figure “Overvoltage Categories”
Pos. Explanation
1
Fieldbus coupler/controller
2
Filter module
3
Ex i supply module
4
Ex i I/O Modules
5
End module
Both overvoltage categories and rated surge voltage acc. to EN 60664-1:2007 are
listed in the appendix.