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INITIALIZE Function (OB 200)
10 - 34
If you are using four CPUs, there are twelve links:
CPU 1
CPU 3
The INITIALIZE function specifies how the total of 48 available memory
fields are assigned to the maximum twelve links.
This means that each possible link, specified by the parameters
"transmitting CPU" and "receiving CPU" has a certain memory capacity
available.
Note
Before you can call the SEND / RECEIVE / SEND TEST /
RECEIVE TEST functions, one CPU must have already called the
INITIALIZE function and executed it completely and without errors.
If the INITIALIZE function is called several times, one after the other,
the last assignment made is valid. While a CPU is processing the
INITIALIZE function, no other multiprocessor communication
functions including the INITIALIZE function can be called on other
CPUs.
CPU 2
CPU 4
CPU 948 Programming Guide
C79000-G8576-C848-04
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