Omron R88M-K User Manual page 298

4 System Design
Improving Encoder Cable Noise Resistance
Take the following steps during wiring and installation to improve the encoder's noise resistance.
• Always use the specified encoder cables.
• If cables are joined midway, be sure to use connectors. And do not remove more than 50 mm of the
cable insulation. In addition, always use shielded cables.
• Do not roll cables. If cables are long and are rolled, mutual induction and inductance will increase and
cause malfunctions. Always use cables fully extended.
• When installing noise filters for encoder cables, use clamp cores.
• The following table shows the recommended clamp cores.
Manufacturer
NEC TOKIN
TDK
• Do not place the encoder cable with the following cables in the same duct.
Control cables for brakes, solenoids, clutches, and valves.
External Dimensions
ESD-SR-250
Up to ø13
31.5
Impedance Characteristics
ESD-SR-250
10000
1000
100
10
1
1
For information on an external dimensions and impedance characteristics of ZCAT3035-1330, refer to
External Dimensions on page 4-48 and Impedance Characteristics on page 4-50.
4-52
Product name
Clamp core
Clamp core
10
Frequency (MHz)
G5-series AC Servomotors and Servo Drives User's Manual (with Built-in EtherCAT Communications)
Model
ESD-SR-250
ZCAT3035-1330
38.0
100 1000
Specifications
13 mm dia. max.
13 mm dia. max.