13
MULTIPLE CPU SYSTEM CONCEPT
13.4 Access Ranges between CPU Modules and Other Modules
13.4.2 Access to non-controlled modules
13 - 20
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
(3) Outputs to output modules and intelligent function modules
ON/OFF data cannot be output to non-controlled modules.
When the outputs of the output modules and intelligent function modules controlled by
another CPU are turned ON/OFF from the C Controller module, they are not output to
the output modules and intelligent function modules.
(4) Access to intelligent function module buffer memory
(a) Read from buffer memory
Using the bus interface function (QBF_FromBuf function), data can be read from
the buffer memory of the intelligent function module controlled by another CPU.
Figure 13.21 When data are output from CPU No. 1 to modules
Figure 13.22 Read from intelligent function module
2
2 Control CPU setting2
Cannot be turned ON/OFF.
Can be turned ON/OFF
when bus interface function
is executed.
Slot number
CPU 0 1 2 3 4
/* Y is read in 1 word unit */
ret = QBF_Y_Out_WordEx(path, flg, yno, size, data, datasize);
Input module
Output module
Input module
Output module
2 222
Read when bus interface function
is executed.
Control CPU setting
Slot number
Intelligent function modules
CPU 0 1 2 3 4 5 6 7
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