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I/O Allocation and Sample Programs
5 I/O Allocation and Sample Programs
5.1 I/O Numbers
Up to three expansion units including the FP0 RTD unit can be connected to the CPU (2
words [2x16 bits] are assigned to each WX and WY).
I/O Numbers
FP0/FPΣ CPU
WY3, WY5, and WY7 are allocated but not used.
NOTES
Always install the FP0 RTD unit the farthest to the right of the control unit.
•
With 3 expansion units, one of which being the FP0 RTD unit, mount the
•
FP0 RTD unit in the place of expansion unit no. 3.
With 3 expansion units, two of which being FP0 RTD units, mount the FP0
•
RTD units in the places of expansion units no. 2 and no. 3.
With the setup illustrated above, the I/O data is allocated as in the table below.
CH0, 2, 4
RTD input
channel
CH1, 3, 5
RTD output
14
Expansion unit
1
2
3
Expansion Unit No.1
WX2
WX3
WY2
Expansion Unit No.2
WX4
WX5
WY4
FP0 RTD Unit
Expansion Unit No.3
WX6
WX7
WY6
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