2.1 Use of approved components ................................................................................................. 11
2.2 Important notes on using the SCALANCE X-300 product family ........................................... 12
2.3 Important notes on using the device in hazardous areas ....................................................... 14
2.4 PELV ....................................................................................................................................... 14
3.1 Unpacking and checking ......................................................................................................... 15
3.2 Components of the product .................................................................................................... 15
3.3 Product variants X-300 ........................................................................................................... 16
3.3.1 SCALANCE X304-2FE ........................................................................................................... 16
3.3.2 SCALANCE X306-1LD FE ...................................................................................................... 17
3.3.3 SCALANCE X307-3 ................................................................................................................ 18
3.3.4 SCALANCE X307-3LD ........................................................................................................... 19
3.3.5 SCALANCE X308-2 ................................................................................................................ 20
3.3.6 SCALANCE X308-2LD ........................................................................................................... 21
3.3.7 SCALANCE X308-2LH ........................................................................................................... 22
3.3.8 SCALANCE X308-2LH+ ......................................................................................................... 23
3.3.9 SCALANCE X310 ................................................................................................................... 24
3.3.10 SCALANCE X310FE............................................................................................................... 25
3.3.11 SCALANCE X320-1FE ........................................................................................................... 26
3.3.12 SCALANCE X320-3LD FE ...................................................................................................... 27
3.4 The SET / SELECT button ...................................................................................................... 28
3.5 LED display ............................................................................................................................. 29
3.6 C-PLUG .................................................................................................................................. 32
3.6.1 Area of application and function of the C-PLUG ..................................................................... 32
3.6.2 Removing and inserting the C-PLUG (compact housing)....................................................... 33
4.1 Safety notices for installation .................................................................................................. 35
4.2 Suitable installation location at temperatures above 50 °C .................................................... 35
4.3 Suitable cables for temperatures in excess of 70 °C (ATEX) ................................................. 36
4.4 Suitable cables for temperatures above 70 °C - cable 50 °C - 70 °C (ATEX) ........................ 36
4.5 Installation ............................................................................................................................... 37
4.6 Installation on a DIN rail .......................................................................................................... 38