I/O Allocation
FPΣ User's Manual
58
5.1 General
I/O allocation is performed automatically when an expansion unit is added and is determined
by the installation location. The I/O allocation of the FPΣ CPU is fixed.
4 x FP∑
3 x FP0
1487 6 35
FP∑
2
I/O allocation of FP
Σ
expansion units and FP0 expansion units
Type of unit Unit number Slot number
1)
I/O addresses
2)
3)
4)
FPΣ CPU
1
– – X0–XF, Y0–YF
2
1 – X20–X3F, Y20–Y3F
3
2 – X40–X5F, Y40–Y5F
FP0 I/O expansion unit
4
3 – X60–X7F, Y60–Y7F
5
1 0 X100–X17F, Y100–Y17F
6
2 1 X180–X25F, Y180–Y25F
7
3 2 X260–X33F, Y260–Y33F
FPΣ I/O expansion unit
8
4 3 X340–X41F, Y340–Y41F
NOTE
1. Slot numbers must be indicated in certain programming instructions.
2. The input relay “X” and output relay “Y” are expressed as a combination of
decimal (
1
) and hexadecimal (
2
) numbers:
X
1, 2, 3 ... 9
1, 2, 3 ... 9, A, B ... F
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