Siemens S7-400 installation manual Dehn + Söhne

Assembling and Installing Systems

Table A-3 High-Voltage Protection of Cables with the Help of Surge Protection Equipment, continued

Ser.	Cables for ...	... equip transition point 0 <--> 1
No.			with:
	AC TT system	1 piece of	DEHNbloc/1 lightning
			conductor
			phase to N
		1 piece of	DEHNgap B/n N-PE light-
			ning conductor
			N to PE
2	24 VDC Power Supply	1 piece of	Blitzductor VT lightning
			conductor,
			type A D 24 V --
3	MPI bus cable, RS 485, RS 232	1 piece of	Blitzductor CT lightning
	(V.24)		conductor, type B
4	Inputs/outputs of digital modules		DEHNrail 24 FML
	24 V
5	24 VDC power supply module	1 piece of	Blitzductor VT lightning
			conductor,
			type AD 24 V --
6	Inputs/outputs of digital modules and	2 pieces of	DEHNbloc/1 lightning
	120/230 VAC power supply		conductor
7	Inputs/outputs of analog modules up	1 piece of	Blitzductor CT lightning
	to 12 V +/--		conductor,
			type B

Order No.

900111*

5SD7 032

900130*

918402*

919 506* and

919510*

901104*

918402*

900111*

5SD7 032

900111*

5SD7 032

919 506* and

919 510*

* You can order these components directly at:	DEHN + SÖHNE
	GmbH + Co. KG
	Elektrotechnische Fabrik
	Hans-Dehn-Str. 1
	D-92318 Neumarkt

A-24	Automation System S7-400	Hardware and Installation
		A5E00850741-01