Assembling and Installing Systems
A-24
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
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 TN-C system
1 piece
of
DEHNbloc/1 lightning con-
ductor
phase L to PEN
900 111*
5SD7 032
AC TT system
1 piece
of
DEHNbloc/1 lightning con-
ductor
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 con-
ductor,
type A D 24 V –
918 402*
3
MPI bus cable, RS 485, RS 232
(V.24)
1 piece
of
Blitzductor CT lightning con-
ductor, 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 con-
ductor,
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 con-
ductor
900 111*
5SD7 032
7
Inputs/outputs of analog modules up
to 12 V +/–
1 piece
of
Blitzductor CT lightning con-
ductor,
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
