12
CONCEPT OF MULTIPLE CPU SYSTEM
12.4 Access Ranges Between a CPU Module and Other Modules
12.4.2 Access to non-controlled modules
12 - 19
9
DEVICE DESCRIPTION
10
MULTIPLE CPU SYSTEM
OVERVIEW
11
MULTIPLE CPU SYSTEM
CONFIGURATION
12
CONCEPT OF MULTIPLE
CPU SYSTEM
13
COMMUNICATIONS
BETWEEN CPU
MODULES
14
PARAMETERS ADDED
FOR MULTIPLE CPU
SYSTEMS
15
STARTING A MULTIPLE
CPU SYSTEM
16
TROUBLESHOOTING
(b) Writing to the buffer memory
Data cannot be written to the buffer memory of any intelligent function module
controlled by another CPU.
If writing to an intelligent function module controlled by another CPU is attempted,
a non-controlled module write error (return value: -28654) occurs.
Figure 12.14 Writing to intelligent function modules
1 1 1 1 1
2 222
Write by bus interface function
is impossible.
Write by bus interface function is impossible.
Control CPU setting
Slot number
CPU 0 1 2 3 4 5 6 7
Intelligent function modules