Table of contents
1 Introduction...................................................................................................................................................5
2 Safety instructions ......................................................................................................................................11
3 Recommendations on network security......................................................................................................13
4 Device description ......................................................................................................................................17
4.1 Product overview....................................................................................................................17
4.2 Product properties and device views .....................................................................................21
4.2.1 SCALANCE X304-2FE...........................................................................................................21
4.2.2 SCALANCE X306-1LD FE .....................................................................................................22
4.2.3 SCALANCE X307-3 ...............................................................................................................23
4.2.4 SCALANCE X307-3LD...........................................................................................................24
4.2.5 SCALANCE X308-2 ...............................................................................................................25
4.2.6 SCALANCE X308-2LD...........................................................................................................26
4.2.7 SCALANCE X308-2LH...........................................................................................................27
4.2.8 SCALANCE X308-2LH+.........................................................................................................28
4.2.9 SCALANCE X310 ..................................................................................................................29
4.2.10 SCALANCE X310FE..............................................................................................................30
4.2.11 SCALANCE X320-1FE...........................................................................................................31
4.2.12 SCALANCE X320-3LD FE .....................................................................................................32
4.3 SET/SELECT button ..............................................................................................................33
4.4 LED display ............................................................................................................................35
4.5 C-PLUG..................................................................................................................................39
4.5.1 Area of application and function of the C-PLUG ....................................................................39
4.5.2 Removing and inserting the C-PLUG (compact housing) ......................................................39
5 Assembling .................................................................................................................................................41
5.1 Safety notices for installation .................................................................................................41
5.2 Installation on a DIN rail .........................................................................................................44
5.3 Installation on a standard rail .................................................................................................46
5.4 Wall mounting ........................................................................................................................47
6 Connecting .................................................................................................................................................49
6.1 Safety when connecting up ....................................................................................................49
6.2 Risk of explosion when pressing the button (ATEX, IECEx)..................................................51
6.3 Wiring rules ............................................................................................................................52
6.4 Connecting the switch ............................................................................................................53
6.5 Connecting functional ground ................................................................................................54
6.6 24 VDC signaling contact.......................................................................................................55
6.7 Power supply..........................................................................................................................56
SCALANCE X-300
Compact Operating Instructions, 11/2019, A5E00982643-18 3
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