4
I/O NUMBER ASSIGNMENT
4.3 Installing Extension Base Units and Setting the Number of Stages
4 - 5
1
Overview
2
Performance
Specification
3
Sequence Program
Configuration and
Execution Conditions
4
I/O Nunber Assignment
5
Memories and Files
Handled by CPU Module
6
Functions
7
Communication using
built-in Ethernet ports of
CPU module
8
Communication with
Intelligent Function
Module
(1) Extension stage number setting and setting order
When using extension base units for extension, set the extension stage numbers with
the stage number setting connectors on the extension base units.
Set the extension stage numbers in order of connection, starting from the extension
base unit connected to the main base unit.
Figure 4.4 Extension stage number setting and setting order
Power supply
module
CPU module
Extension 1
Main base unit
Slot number
CPU 0 1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19
Extension 2
20 21 22 23 24 25 26 27
Extension 3
28 29 30 31 32 33 34 35
Extension base unit
Extension stage number
setting connector
Q312B
Q68B
Q68B
Q68B
Set extension stage numbers in
order of extension base unit setting.
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