Device Assignment; Shared Memory Setting - Mitsubishi Electric MELSEC iQ-R Series User Manual

7.6

Device Assignment

Configure the range of each device type used by the SECS/GEM communication software.
There are two types of device assignment: shared memory settings and CA-SECS device assignment (I/O assignment).
Precautions
The device assignment settings differ with the shared memory settings for the programmable controller CPU and SECS/GEM
communication software pre-installed model module.

Shared memory setting

Series
MELSEC-Q series
MELSEC iQ-R series
When the auto refresh area in the CPU shared memory of a programmable controller CPU and MELSEC-Q series SECS/
GEM communication software pre-installed model module is used by the SECS/GEM communication software, configure the
range of the auto refresh area for "Shared Memory."
Window
[Setting]  [Device Assign Setting]
Displayed items
Item
Counts(CPU)
Shared Memory
7 BASIC FUNCTIONS
78
7.6 Device Assignment
SECS/GEM communication software
Non-GEM version
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Description
Select the number of programmable controller CPUs.
CPU No. Select a CPU number.
Self Unit Select this checkbox to allocate for the MELSEC-Q series SECS/GEM communication software pre-
installed model module.
Select this checkbox regardless of the number of programmable controller CPUs.
Device Select a device.
Memory Start Configure the start (offset value) of the auto refresh area of the CPU shared memory in a programmable
controller CPU or MELSEC-Q series SECS/GEM communication software pre-installed model module.
Device Start Configure the start of device numbers.
Points (Words) Configure the number of device points to be used in word units.
GEM version
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GEM advanced version
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