Chapter 16 I/O Number Assignment; I/O Number Assignment; Assignment Order - Mitsubishi Electric MELSEC Q Series User Manual

CHAPTER 16
This chapter describes the assignment of I/O numbers and base units.
(1) Setting method
For this setting, use the following functions in Setting/monitoring tools for the C Controller module.
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Project view  "Parameter"  "CCPU Parameter"  <<I/O assignment settings>>
For the assignment of I/O numbers, refer to the following.
 Page 301, Section 16.2
For the assignment of the base unit, refer to the following.
 Page 303, Section 16.3
(2) Checking method
You may check the I/O numbers of the installed modules from the following functions of Setting/monitoring tools
for the C Controller module.
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[Diagnostics]  [System Monitor]
16.1

I/O Number Assignment

The CPU module assigns I/O numbers at power on or reset, according to the I/O assignment setting.
16.1.1

Assignment order

I/O numbers are assigned from the main base units to extension base units, in order.
In each base unit, I/O numbers are assigned in sequence from the left slot to the right.
(1) Main base unit assignment sequence
The I/O numbers are assigned to the modules from left to right in a sequential order, starting from 00
the module on the right of the CPU module.
For the start point of the I/O numbers (00
 Page 300, Section 16.1.4
(2) Extension base unit assignment sequence
The leftmost (Slot 0) is assigned a subsequent number of the previous base unit number.
For base number setting of the C Controller module, refer to the following.
 Page 88, Section 7.3.2
For details of extension base number setting procedure, refer to the following.
 QCPU User's Manual (Hardware Design, Maintenance and Inspection)
When base units are assigned automatically, if an extension stage number is skipped, it will not be reserved as the number
for an empty base unit. To reserve an extension stage, perform the base unit setting in the <<I/O Assignment Settings>> of
parameter.
298
I/O NUMBER ASSIGNMENT
), refer to the following.
H
assigned to
H