R88A-CSU015C Omron, R88A-CSU015C Datasheet - Page 105
R88A-CSU015C
Manufacturer Part Number
R88A-CSU015C
Description
ABSOLUTE ENCODER CABLE,15M
Manufacturer
Omron
Datasheet
1.R88A-CAU001.pdf
(324 pages)
Specifications of R88A-CSU015C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Design and Installation
Note
Note
j Improving Encoder/Resolver Cable Noise Resistance
Signals from the encoder are either A, B, or S phase. The frequency for A- or B-phase signals is 154 kHz
and the transmission speed for S-phase signals is 616 kbps. The Resolvers use analog voltage signals.
Follow the wiring methods outlined below to improve encoder/resolver noise resistance.
j Improving Control I/O Signal Noise Resistance
Position can be affected if control I/O signals are influenced by noise. Follow the methods outlined be-
low for the power supply and wiring.
2-82
FND-X06 /X12
FND-X25
FND-X50H
The following table shows the Servomotor leakage currents for each Position Driver.
Be sure to use dedicated encoder/resolver cables.
If lines are interrupted in the middle, connect them with connectors, making sure that the cable insula-
tion is not peeled off for more than 50 mm. In addition, be sure to use shielded wire.
Do not coil cables. If cables are long and are coiled, mutual induction and inductance will increase and
will cause malfunctions. Be sure to use cables fully extended.
When installing noise filters for encoder cables, use clamp filters. The following table shows the rec-
ommended clamp filter models. Do not use these with resolver cables.
Do not wire the encoder/resolver cable in the same duct as power cables and control cables for
brakes, solenoids, clutches, and valves.
Use completely separate power supplies for the control power supply (especially 24 VDC) and the
external operation power supply. In particular, be careful not to connect two power supply ground
wires. Install a noise filter on the primary side of the control power supply.
If the control power supply wiring is long, noise resistance can be improved by adding 1- F laminated
ceramic capacitors between the control power supply and ground at the Position Driver input section
and the controller output section.
Use twisted-pair shielded cables for control cables, and the shield wire to the connector frame at the
Position Driver.
1. Leakage current values shown above are for motor power lines of 10 m or less. The values will change
2. Leakage current values shown above are for room temperature and humidity. The values will change
Driver
depending on the length of power cables and the insulation.
depending on the temperature and humidity.
35 mA
40 mA
120 mA
(including high-frequency current)
Leakage current (resistor)
0-P
0-P
0-P
2 mA
2 mA
3 mA
Leakage current (resistor-capacitor,
in commercial power supply fre-
rms
rms
rms
quency range)
Chapter 2
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