Examples Of Equipotential Bonding - Siemens SIROTEC Planning Manual

4.3 Examples of equipotential bonding

Central
earthing connector
Fig. 4-4
© Siemens AG, 2004. All rights reserved
EMC Installation Guideline – Planning Guide (EMV) – 03.2004 Edition
Metal cubicle
SIMATIC S7-300
CPU
314
M
2)
DIN rail
XXX
SIMATIC S7-300 with FM NC
CPU
PS
NCU
314
M
2)
DIN rail
XXX
Fil- SIMODRIVE
ter 611
X131
*)
XXX
XXX
Fil-
ter
**)
XXX
XXX
Central
earthing bar
Equipotential bonding in the SINUMERIK FM NC with SIMODRIVE 611
Equipotential Bonding
Operator panel
Operator
panel
3)
el. handwheel
Mach. cont. p
Machine base
1)
M
XXX
Motor controlled by SIMODRIVE 611A
Large-area, conductive connection to
XXX
earthed housing
1) PE in motor cable, also used as equipotential
bonding conductor
2) Connection provided internally
3) Lead required only if unit has a
frame connection
*) With I/RF module
**) With U/E module
XXX
ENC
TG
4-25