Serie 750, 753
Planning
38
System manual | Version: 3.0.2
If the following section consists of one
end module
(750-600), no distance modules are
required.
4.5.3 Marine and Offshore Ex i Applications
When I/O modules are used in marine Ex i applications, additional requirements must be
considered alongside those described under
8
Ex i.
Power Supply Concept for Marine Applications in Ex i Zone, Class A
To use intrinsically safe modules Class A marine applications (all areas, except bridge
and open deck), the filter module 750-624/xxx-xxx must be used in conjunction with the
Ex i supply module.
5
U
S
U
F1
U
F2
3
4
1
2
Figure 19: Power Supply Concept for Marine Applications in Ex i Zone – Class A
1
Filter module, 24 VDC, HI GF (750-626/020-002) or
filter module, 24 VDC, HI (750-626/020-000)
