11
OVERVIEW OF MULTIPLE CPU SYSTEM
11.1 What is Multiple CPU System ?
11 - 2
9
UTILITY OPERATION
10
FUNCTIONS AND
PROGRAMMING
11
OVERVIEW OF
MULTIPLE CPU
SYSTEM
12
MULTIPLE CPU
SYSTEM
CONFIGURATION
13
MULTIPLE CPU
SYSTEM
CONCEPT
14
COMMUNICATIONS
BETWEEN CPU
MODULES
15
PARAMETERS
ADDED FOR
MULTIPLE CPU
16
PRECAUTIONS FOR
USE OF AnS SERIES
MODULE
(2) Method for controlling I/O module and intelligent function module
It is necessary to set which CPU module is to control which I/O modules and/or
intelligent function modules in the multiple CPU system (control CPU setup).
* 1 Indicates the grouping configuration on the C Controller setting utility.
CPU module "1" represents "CPU No.1", and "1" of the I/O module and intelligent function module
indicates that their "control CPU is CPU No.1".
The CPU module that controls I/O modules and/or intelligent function modules is
called as a "Control CPU".
The I/O modules and intelligent function modules controlled by the control CPU are
called "controlled modules".
Other modules not controlled by the control CPU are called as "non-controlled
modules".
Figure 11.1 Control CPU setting
Control CPU setting
Control with CPU module 2.
Control with CPU module 1.
CPU 0
2222
1234567
Slot number
*1
Set CPU No. of the
CPU module that
controls each module.
<CPU No. setting on C Controller setting utility>
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