Siemens Automation System S7-400 User Manual
Page 192
Assembling and Installing Systems
A-24
Automation System S7-400 Hardware and Installation
A5E00850741-01
Table A-3
High-Voltage Protection of Cables with the Help of Surge Protection Equipment, continued
Ser.
No.
Order No.
... equip transition point 0 <--> 1
with:
Cables for ...
AC TT system
1 piece of
DEHNbloc/1 lightning
conductor
phase to N
900 111*
5SD7 032
1 piece of
DEHNgap B/n N-PE light-
ning conductor
N to PE
900 130*
2
24 VDC Power Supply
1 piece of
Blitzductor VT lightning
conductor,
type A D 24 V --
918 402*
3
MPI bus cable, RS 485, RS 232
(V.24)
1 piece of
Blitzductor CT lightning
conductor, type B
919 506* and
919 510*
4
Inputs/outputs of digital modules
24 V
DEHNrail 24 FML
901 104*
5
24 VDC power supply module
1 piece of
Blitzductor VT lightning
conductor,
type AD 24 V --
918 402*
900 111*
5SD7 032
6
Inputs/outputs of digital modules and
120/230 VAC power supply
2 pieces of DEHNbloc/1 lightning
conductor
900 111*
5SD7 032
7
Inputs/outputs of analog modules up
to 12 V +/--
1 piece of
Blitzductor CT lightning
conductor,
type B
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