
-77223E/02
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FANUC SERVO AMPLIFIER βi series
I/O Link option
DESCRIPTIONS
63 /
Specifications of a recommended connector and case for cable K20 on
the βi series amplifier side
Connector : PCR-E20FS (Soldering type) (Honda Communications)
PCR-E20FA (Crimping type)
Case : PCR-V20L
Recommended cable for K20 cable
A66L-0001-0284#10P (10 twisted pair cable with a shield on the
outside)
NOTE
1 Maximum cable length: 10 m (when the above recommended
wire is used)
2 Use the same twisted wire pair for the SIN and *SIN signals.
Also use the same twisted wire pair for the SOUT and *SOUT
signals.
3 Do not make any connection to the pins other than those
shown above. Do not connect an unused conductor of the
cable.
4 Connect the shield of the cable to the ground plate of the
cabinet by using a cable clamp. Regardless of whether a β
series servo amplifier is connected with the host controller (or
the slave unit at the previous stage) or the slave unit at the
next stage, clamp and shield the cable immediately when the
cable is run into the cabinet. If the host controller is installed in
one cabinet, and a β series servo amplifier is installed in
another cabinet, shield processing is required twice for one
cable. Even if the cable is not routed outside the cabinet, be
sure to clamp and shield the cable at least one location.
5 Switch on the control power for the servo amplifier at the
same time with or before the host controller connected to the
servo amplifier through the I/O Link. When switching off the
host controller power, also switch off the servo amplifier
control power.
Host controller ON
Power OFF
Servo amplifier ON
control power OFF
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