
Table of contents
1 Introduction...................................................................................................................................................5
2 Safety notes................................................................................................................................................11
3 Recommendations on network security......................................................................................................13
4 Description of the device ............................................................................................................................17
4.1 Product overview....................................................................................................................17
4.2 Product properties and device views .....................................................................................20
4.3 LED display ............................................................................................................................25
4.4 SET/SELECT button ..............................................................................................................28
4.5 C-PLUG..................................................................................................................................30
4.5.1 Area of application and function of the C-PLUG ....................................................................30
4.5.2 Removing and inserting the C-PLUG (compact housing) ......................................................30
5 Assembling .................................................................................................................................................33
5.1 Safety notices for installation .................................................................................................33
5.2 Installation ..............................................................................................................................35
5.3 Overview of the methods of installation .................................................................................36
5.4 Installation on a DIN rail .........................................................................................................36
5.5 Installation on a standard rail .................................................................................................37
5.6 Wall mounting ........................................................................................................................38
5.7 19" rack mounting ..................................................................................................................39
6 Connecting .................................................................................................................................................41
6.1 Safety when connecting up ....................................................................................................41
6.2 Notes on commissioning ........................................................................................................42
6.3 Wiring rules ............................................................................................................................42
6.4 Connecting the switch ............................................................................................................43
6.5 Connecting the grounding ......................................................................................................43
6.6 Signaling contact....................................................................................................................45
6.6.1 Signaling contact 24 to 48 V ..................................................................................................45
6.6.2 Signaling contact 100 to 240 VAC / 60 to 250 VDC...............................................................46
6.7 Power supply..........................................................................................................................48
6.7.1 Power supply for the X-300EEC / XR-300M EEC .................................................................48
6.7.2 Connecting devices with 24 VDC power supply.....................................................................49
6.7.2.1 Overview ................................................................................................................................50
6.7.2.2 Connecting the external 24 VDC power supply .....................................................................51
6.7.2.3 Redundant power supply .......................................................................................................52
SCALANCE X-300EEC
Compact Operating Instructions, 11/2019, A5E02630809-14 3