42 Connect Devices
WAGO-I/O-SYSTEM 750
750-439 8DI NAMUR Ex i
Manual
Version 1.3.0, valid from HW Version 03, SW Version 03
Power Supply Concept for Marine Applications in Ex i Class A
Figure 14: Power Supply Concept for Marine Applications in Ex i – Class A (shown with 750-
624/xxx-xxx for Field 2)
Table 26: Legend for figure “Power Supply Concept for Marine Applications in Ex i – Class A (shown
with 750-624/xxx-xxx for Field 2)”
No. Explanation
1
Fieldbus Couplers/Controllers
2
Filter module, 24 VDC, HI GF (750-626/020-002) or
Filter module, 24 VDC, HI (750-626/020-000) or
Filter module, 24 VDC, HI / T (750-626/025-001)
3
Supply module, 24 VDC (750-602) or
Supply module, 24 VDC, with fuse (750-601) or
Supply module, 24 VDC, with fuse and diagnostics (750-610)
4
Filter module, 24 VDC, HI GF (750-624/020-002) or
Filter module, 24 VDC, HI (750-624/020-000)
5
Supply module, 24 VDC, Ex i, with diagnostics (750-606) or
Supply module, 24 VDC, Ex i (750-625/000-001)
6
Ex I I/O modules
7
End module
Table 27: Explanation of the Legend for figure “Power Supply Concept for Marine Applications in Ex i
– Class A (shown with 750-624/xxx-xxx for Field 2)”
Explanation
HI
High Isolation (filter for isolation-monitored systems)
GF
Ground Fault (filter with ground fault diagnostics)