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Device Description
WAGO-I/O-SYSTEM 750
750-438 2DI NAMUR Ex i
Manual
V 1.2.0
Figure 1: Supply principle Ex i
The Ex i I/O module receives the 24V voltage supply for the field level from an
upstream Ex i I/O module or from an Ex i power supply module via the power
contacts used as blade contacts. It then provides this potential to subsequent I/O
modules via the power contacts used as spring contacts.
Do not exceed maximum current via power contacts!
The maximum current available from the 750-606 or 750-625/000-001 Ex-i
Supply Module is 1 A.
When configuring the system, ensure that this current is not exceeded. If
exceeded, an additional potential feed module must be used.
Keep the air and creep distances between intrinsically safe segments!
The maximum current available from the 750-606 or 750-625/000-001 Ex-i
Supply Module is 1 A.
If the use of further DC 24 V Ex i Supply modules is necessary for reasons of
extent of utilization, four Separation Modules (750-616) must be used to
guarantee the distance between the intrinsically safe segments.
