18
Functions Section 1-2
User-set Allocations The sizes of the allocated areas for the Communications Unit will change with
changes to the I/O Unit configuration, causing a Verification Error to occur on
DeviceNet if the scan list is enabled, as follows:
• Master Unit 7-segment display will show d6, a Slave I/O size mismatch.
• Master status bits 14 and 7 will turn ON.
Perform the following operations, according to the status of the input/output
areas.
Allocation Areas Do Not Overlap with Other Slaves
Remote I/O communications will be performed unchanged with the new con-
figuration data. Check the Verification Error Bit and, if required, perform pro-
cessing to disable the allocated words in the CPU Unit. Also, perform change
the allocations using the Configurator.
Allocation Areas Not Overlap with Other Slaves
In this case, I/O area duplication will also occur on the DeviceNet, as follows:
• Master Unit 7-segment display will show d0, I/O area duplication.
• Master status bits 14 and 4 will turn ON.
Check the Verification Error Bit, and perform processing to disable the allo-
cated words in the CPU Unit. Also, perform change allocations using the Con-
figurator.
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