13
MULTIPLE CPU SYSTEM CONCEPT
13.1 Mounting Position of CPU Module
13 - 8
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
(d) "CPU (Empty)" setting
An empty slot can be reserved for future addition of a CPU module.
Set the number of CPU modules, including the one on the empty slot, in "No. of
CPU" on the <<Multiple CPU setting>> tab of the C Controller setting utility.
After that, set the type "CPU (Empty)" to the slot on the right side of the mounted
CPU module (s) on the <<I/O assignment setting>> tab of the C Controller setting
utility.
(Example) When the No. of CPUs is set to 4 and two High Performance model
QCPUs and one C Controller module are mounted
Mount the High Performance model QCPUs on the CPU slot and Slot
0 and the C Controller module on Slot 1, and set Slot 2 to "CPU
(Empty)".
POINT
When using the High Performance model QCPU, "CPU (Empty)" cannot be set
between CPU modules.
To add a High Performance model QCPU or Motion CPU to a system where the C
Controller module is used, shift the C Controller module to the right because no
CPU module is allowed on the right side of the C Controller module.
Figure 13.10 "CPU (Empty)" setting
Figure 13.11 Addition of Motion CPU when C Controller module is mounted
CPU 0 1 2 CPU 0 1 2
Mounting allowed Mounting not allowed
Slot numbe
Slot number
Power supply
module
Power supply
module
High Performance
model QCPU
High Performance
model QCPU
High Performance
model QCPU
High Performance
model QCPU
CPU (Empty)
CPU (Empty)
C Controller
module
C Controller
module
CPU 0 1 2
Addition
Set slot 2 to "CPU (empty)".
Move to the right.
CPU 0 1 2
Slot numbe
Slot number
Power supply
module
Power supply
module
High Performance
model QCPU
High Performance
model QCPU
Motion CPU
Motion CPU
Motion CPU
Motion CPU
CPU (Empty)
C Controller
module
C Controller
module
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