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114 Connect Devices
WAGO-I/O-SYSTEM 750
750-489 4AI RTD/TC/Strain Gauge Ex i
Manual
Version 1.1.0, valid from FW Version 02
Figure 16: Overvoltage Categories
Table 132: Legend for Figure “Overvoltage Categories”
Pos. Explanation
1 Fieldbus coupler/controller
2 Filter module (if required)
3 Ex i supply module
4 Ex i I/O modules
5 End module
Overvoltage categories and rated surge voltage see EN 61010-2-201.
6.2.1
Power Supply Concept for Marine Applications in Ex i
Use the appropriate filter module in marine applications!
Power to the Ex i supply module is supplied via the appropriate filter module
when using Ex i I/O modules in marine applications!