CHAPTER 2.0 Safety & EMC Instructions
2-11
CDS7324 (FORMERLY LSF-0819)
Rev. A
INSTALLATION & USER’S MANUAL
2.2.4
EMC requirements for cables
Avoid close parallel routing of signal cables and power cables. Always use the minimum length of cable
necessary and install all cables in a fixed routing.
Data signal cables, motor power and resolver/signal cables, regen resistor cables and power input cables shall
have segregated routings. Where cable routings must intersect, it is recommended that they intersect at an angle
of 90 degrees, to minimise EMC noise coupling.
Where signal and power cables must run in parallel it is recommended that these cables are separated by at least
20 cm. Where possible cables shall be routed in earthed shielded cable ducting, to minimise electromagnetic
noise coupling.
Use shielded cable to connect the external regen resistor (if installed) to the DS2110. The length of this cable
shall be as short as possible. The shields of these voltage supply cables shall be earthed to Chassis Earth using
the EMC kit or the panel earth bar. Alternatively, if the cable is required to pass through an enclosure panel
earthed to Chassis Earth, the shield may be earthed to the panel by use of a 360 degree metal cable gland.
Cables supplying external d.c. supply voltages to the DS2110 Servo-drive (For example, the 24 Vd.c. supply)
must be as short as possible. The supply wires shall be twisted together or alternatively shielded cable shall be
used.
Cables connecting the d.c. bus from the DS2110 Servo-drives must be as short as possible. Shielded cable shall
be used.
Motor power cables must be shielded with the cable shield securely connected to Chassis Earth at both ends of
the cable. At the DS2110 end of the cable the shield shall be earthed to Chassis Earth using the EMC kit or the
panel earth bar.
Motor resolver/signal cables must be shielded with the cable shield securely connected to Chassis Earth at both
ends of the cable.
Signal cables must be shielded with the cable shield securely connected to make a good HF earth bond to
Chassis Earth at both ends of the cable.
User's whose machine installations require for
CE-Compliance should read this Section.
Required for
CE-Compliance
Содержание DS2110
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