
7. INSTALLATION CONDITIONS
AND CAUTIONS
B–65192EN/02
38
Separate the signal lines from the amplifier input power lines and motor
power lines. The types of cables used are as follows:
Group Description Measure
Amplifier input power line
Bundle the cables in group A sepa-
rated from those in group B at least
A
Motor power line
10 cm, or isolate the groups from
each other by placing a grounded
metal (ferrous) plate between
Coil of MCC
them. Attach a noise suppressor
such as a spark killer to the coil of
MCC.
CNC–SVU/SVUC cable
Bundle the cables in group A sepa-
rated from those in group B at least
10 cm, or isolate the groups from
B
Pulse coder feedback cable
each other by placing a grounded
metal (ferrous) plate between
them.
And be sure to shield this group.
NOTE
1 ”To bundle separately” means ”to maintain a separation of
at least 10 cm between the cable groups.”
2 ”To isolate” means ”to place a grounded metal (ferrous)
plate between the groups.”
7.3
MEASURES FOR
NOISE
7.3.1
Signal Line
Separation