
Serie 750, 753Table of Contents
iv System manual | Version: 3.3.1
5.2.6 Mounting Position and Clearances...............................................................31
5.2.7 DIN-Rail Characteristics ...............................................................................32
5.2.8 EMC Installations..........................................................................................33
5.2.9 Data Security................................................................................................33
5.3 Designing the System Supply................................................................................34
5.4 Field Supply Layout ...............................................................................................35
5.5 Special Applications and Environments ...............................................................35
5.5.1 Marine and Offshore.....................................................................................35
5.5.2 Exi Applications ...........................................................................................38
5.5.3 Marine and Offshore Exi Applications .........................................................39
5.5.4 Functional Safety..........................................................................................41
5.5.4.1 Power Supply Concept........................................................................41
5.6 Examples and Aids................................................................................................42
5.6.1 Aids...............................................................................................................42
5.6.2 I/O Test.........................................................................................................43
6Transport and Storage ..................................................................................................45
7Assembly and Disassembly .........................................................................................46
7.1 Warning Messages for Assembly and Disassembly..............................................46
7.2 Assembly Sequence..............................................................................................46
7.3 Snapping the Head Station to the DIN-Rail ...........................................................46
7.4 Attaching an I/O Module ........................................................................................47
7.5 Removing a Head Station from the DIN-Rail.........................................................48
7.6 Removing an I/O Module.......................................................................................49
7.7 Inserting Coding Keys ...........................................................................................51
8Conductor Termination .................................................................................................53
8.1 Conductor Termination ..........................................................................................53
8.1.1 Connecting Conductors to CAGE CLAMP®.................................................53
8.1.2 Connecting Conductors to Push-in CAGE CLAMP® ...................................54
9Decommissioning..........................................................................................................55
9.1 Shutting Down .......................................................................................................55
9.2 Disposal and Recycling .........................................................................................55
10 Appendix ........................................................................................................................56
10.1 Installation Regulations Specified by Approvals....................................................56
10.1.1 Special Notes Regarding Explosion Protection............................................56
10.1.2 UL Requirements from Installation Regulations ...........................................57
10.1.2.1 UL Ordinary Locations per Report Reference E175199-19970402 ....57
10.1.2.2 UL Ordinary Locations per Report Reference E175199-20180807 ....57
10.1.2.3 UL Ordinary Locations per Report Reference E175199-20181019 ....58
10.1.2.4 UL Ordinary Locations per Report Reference E175199-20210716 ....58
10.1.2.5 UL Ordinary Locations per Report Reference E175199-20230421 ....59
10.1.2.6 UL Hazardous Locations per Report Reference E198726-19980911
............................................................................................................59
10.1.2.7 UL Hazardous Locations per Report Reference E198726-2023-01-31
............................................................................................................61