7
5. Wiring
DANGER
z
Completely turn off the externally supplied power used in the system when installing or
placing wiring.
Not completely turning off all power could result in electric shock or damage to the
product.
5.1 Wiring Precautions
(1) If cables to connect to QD70 absolutely must be positioned near (within 100
mm) the power line, use a general shielded cable. The shield must be
grounded on the QD70 side.
Connector
(A6CON1)
Use the shortest possible length to
ground the 2mm
2
or more FG wire.
(The shield must be grounded on
the QD70 side.)
To external
devices
Connector
The length between the connector and the shielded
cables should be the shortest possible.
Shielded
cable
Drive
unit
To external
device
To QD70
To drive units
[Processing example of shielded cables]
Coat the wire with
insulaing tape.
Remove the covering from all shielded cables and bind
the appeared shield with a conductive tape.
Solder the shield of any one of the
shielded cables to the FG wire.
