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6.6 I/O Assignment by C Controller Setting Utility
6.6.2 Details of I/O assignment by C Controller setting utility
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I/O NUMBER ASSIGNMENT
(b) Precautions for automatic start XY assignment by C Controller module
When the start XY has not yet entered, the C Controller module automatically
assigns it. In the case of 1) or 2) below, therefore, the start XY setting of each slot
may overlap the one assigned by the C Controller module.
1) I/O numbers are reversed in the start XY
2) There are slots with start XY setting and those without start XY setting
(automatically assigned slot)
The following example Figure 6.17 shows overlapping start XY.
Be extremely careful not to overlap the start XY of each slot.
Overlapping the start XY will result in an intelligent function module assignment
error (error code: 2107, SP.UNIT LAY ERR.).
Figure 6.17 I/O assignment with overlapping start XY
Figure 6.18 Start XY set by above I/O assignment
012
X40 X20 X40
X5F X3F X5F
Input module
Input module
Additional
module
Number of I/O points
Slot number
Automatically
assigned slot
Start XY overlaps!
I/O number
32
points
32
points
32
points
to
to
to
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