18
Connection
Notes about installation and wiring
•
Connect the motor, driver and other peripheral control equipment directly to the grounding point so as to prevent a
potential dierence from developing between grounds.
•
When relays or electromagnetic switches are used together with the system, use noise lters and CR circuits to
suppress surges generated by them.
•
Keep a power supply cable and a signal cable as short as possible without coiling and bundling extra lengths.
•
Separate power lines such as the motor cable and the power supply cable from signal lines, and wire them apart as
much as possible [example: about 100 to 200 mm (3.94 to 7.87 in.)]. If the power lines must cross over the signal lines,
wire them at right angles.
Example of installation and wiring
RS-485 communication cable
Driver
I/O signal cable
[3 m (9.8 ft.) or less]∗
External potentiometer cable
[3 m (9.8 ft.) or less]∗
DC power supply
(Grounded panel)
Motor
cable
External
potentiometer
Grounding
Grounding
Grounding
Power supply cable
[2 m (6.6 ft.) or less]
*
Shielded cable
Precautions about static electricity
Static electricity may cause the driver to malfunction or suer damage. Be careful of handling the driver while the power
is supplied.
Note
•
Do not approach or touch the driver while the power is supplied.
•
Always use an insulated screwdriver to set the address number setting switch and the termination resistor switch of
the driver.
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