
B-63943EN/02 8.CONNECTION TO FANUC I/O Link
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Using the second channel
To use the second channel, use the I/O Link branching adapter to set a
branch in the FANUC I/O Link.
Connection
I/O Link branching adapter
JD44B
JD1A-1
JD1A-2
CNC
JD51A
FANUC I/O Link channel 1
FANUC I/O Link channel 2
Connection after the I/O Link branching adapter
is the same as that for the FANUC I/O Link.
Part number of the I/O Link branching adapter:
A20B-1007-0680 (60 g)
Connection between the CNC and I/O Link branching adapter
The +5V pin is provided to use the optical I/O Link adapter for optical
fiber transmission. When not using the optical I/O Link adapter,
leave the +5V pin unconnected.
The signals with brackets ([ ]) are used when three channels are
connected in the FANUC I/O Link.