Siemens SIROTEC Planning Manual page 26

Equipotential Bonding
4)
DMP
840C
with anal.
Fil-
ter
control
*) X131
XXX
Central
earthing connector
Fig. 4-5
4-26
Metal cubicle
Distr.
box
Expansion
unit
XXX
611
611
with dig.
Fil-
ter
control
*)
X131
XXX XXX
XXX
1), 4)
Filter
Filter
**)
**)
1), 4)
XXX XXX
XXX
Central
earthing bar
Equipotential bonding in the SINUMERIK 840C with SIMODRIVE 611
EMC Installation Guideline – Planning Guide (EMV) – 03.2004 Edition
3)
2)
Hand-held
el. handwheel
unit
4) DMP
Machine base
Enc.
M
XXX
Motor controlled by 611 A
XXX Large-area, conductive connection to earthed housing
1) PE in motor cable
2) Grounding lead in cable
3) Lead required only if unit has a
frame connection
4) PE is also used as equipotential bonding
conductor
*) With I/RF module
**) With U/E module
© Siemens AG, 2004. All rights reserved
Operator panel
Operator
panel
Floppy
drive
CNC full
keyboard
Mach. cont. p.
Keyboard
interface
Enc.
M
XXX
Motor controlled by 611D