Siemens SINUMERIK 828D Manual page 19

MB Shielded signal cable with reference ground
M Motor
G Encoder
PA Equipotential bonding conductor
PS Protective connection (via metal design or green-yellow protective conductors)
Figure 2-1 Grounding concept
The following rules apply for external cable cross sections:
● PA cross-section ≥ 10 mm
● The conductor cross-section of the external protective conductor is calculated from the
Line connection S (mm
S ≤ 16
16 ≤ S ≤ 35
S ≥ 35
SINUMERIK SINUMERIK 828D PPU
Manual, 06/2009, 6FC5397-2DP10-0BA0
conductor cross-section of the line connection as follows:
)
2
2
External protective conductor min. (mm
S
16
S/2
Application planning
2.1 Secondary electrical conditions
)
2
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