6. CONNECTION OF I/O UNITS TO
The machine operator’s panel interface unit (A16B-2201-0110) is
connected to the control unit through the I/O link and is used for
interfacing with the machine operator’s panel.
It features interfaces with matrix key switches, LEDs and manual pulse
panel I/F unit
FANUC I/O Link
Machine operator’s panel
(supplied by a machine tool
DI DO DI DO
Number of matrix key switch inputs 64 96
Number of matrix LED data outputs 64 64
Number of general-purpose switch inputs 32 32
Number of general-purpose LED data
Number of total DI/DO points 96 96 128 96
Matrix key switch inputs (matrix DI)
Ninety-six DI points are provided by a matrix of twelve common
signals times eight data signals. Note that I/O link allocation may limit
the number of usable key switch inputs.
Matrix LED data outputs (matrix DO)
Sixty-four DO points are provided by a matrix of eight common
signals times eight data signals.
General-purpose switch inputs (general-purpose DI)
Each general-purpose DI point has an individual interface.
General-purpose LED data outputs (general-purpose DO)
Each general-purpose DO point has an individual interface.
Number of DI/DO points
Operator’s panel control PCB
allocation to the I/O Link
DI or DO