WAGO-I/O-SYSTEM 750
List of Figures 59
750-439 8DI NAMUR Ex i
Manual
Version 1.3.0, valid from HW Version 03, SW Version 03
List of Figures
Connectors ................................................................. 19
Figure 7: Current-voltage Characteristic of the Control Input per
Figure 9: Snap the I/O Module into Place (Example) .......................................... 36
Figure 10: Removing the I/O Module (Example) ................................................. 37
Figure 11: Connecting a Conductor to a CAGE CLAMP
.................................... 38
Figure 14: Power Supply Concept for Marine Applications in Ex i – Class A
(shown with 750-624/xxx-xxx for Field 2) ................................................... 42
Figure 15: Power Supply Concept for Marine Applications in Ex i – Class B
(shown with 750-626/xxx-xxx for Field 2) ................................................... 43
Figure 16: Connection Example with 8 Sensors on Channel 1 to 8 .................... 44
Figure 18: Setting Options in WAGO-I/O-
............................................... 46
Figure 19: Marking Example per ATEX and IECEx ............................................. 49
Figure 20: Text Detail – Marking Example per ATEX and IECEx ........................ 49
Figure 21: Marking Example of an Approved I/O Module Ex i per ATEX and
Figure 22: Text Detail – Marking Example of an Approved I/O Module Ex i
Figure 23: Marking Example According to NEC .................................................. 53
Figure 24: Text Detail – Marking Example According to NEC 500 ...................... 53
Figure 25: Text Detail – Marking Example for Approved Ex i I/O Module
Figure 26: Text Detail – Marking Example for Approved Ex i I/O Module
Figure 27: Text Detail – Marking Example for Approved Ex i I/O Modules
According to CEC 18 attachment J ............................................................ 55