Assembling and Installing Systems
A-24 AutomationSystem S7-400 Hardwareand Installation
A5E00850741-01
TableA-3 High-VoltageProtection of Cables with the Help of Surge Protection Equipment, continued
Ser.
No.
OrderNo.... equiptransition point 0 < -->1
with:
Cablesfor ...
AC TT system 1pieceof DEHNbloc/1lightning
conductor
phase to N
900 111*
5SD7 032
1pieceof DEHNgapB/n N-PE light-
ning conductor
NtoPE
900 130*
224 VDC Power Supply 1pieceof BlitzductorVT lightning
conductor,
type A D 24 V --
918 402*
3MPI bus cable, RS 485, RS 232
(V.24)
1pieceof BlitzductorCT lightning
conductor,type B
919 506* and
919 510*
4Inputs/outputs of digital modules
24 V
DEHNrail 24F ML 901 104*
524 VDC power supply module 1pieceof BlitzductorVT lightning
conductor,
type AD 24 V --
918 402*
900 111*
5SD7 032
6Inputs/outputs of digital modules and
120/230 VACpower supply
2 pieces of DEHNbloc/1 lightning
conductor
900 111*
5SD7 032
7Inputs/outputs of analog modules up
to12 V +/--
1pieceof BlitzductorCT lightning
conductor,
type B
919 506* and
919 510*
* Youcan order these components directly at: DEHN + SÖHNE
GmbH + Co. KG
Elektrotechnische Fabrik
Hans-Dehn-Str.1
D-92318 Neumarkt