Panasonic S-Link FP2, Руководство пользователя

Страница: 57 / 82

FP2 S − LINK Unit Shared Memory
6 − 3
6.1 Configuration of the Shared Memory
6.1 Configuration of the Shared Memory
The S − LINK is equipped with an internal shared memory that enables data to be read
from and written to the CPU. The CPU with S − LINK unit has internal shared memories
in both S − LINK1 and S − LINK2.
Function of the shared memory
Information such as the detection of unit (S − LINK device) addresses where errors occur,
when they occur, and the number of S − LINK devices connected to the S − LINK system
is stored in the memory. Data can be read from and written to the CPU using high − level
instructions.
Reading data from the shared memory using programming software
Procedure:
1. “Online” − > “Read shared memory”.
2. Press the [Read PC] to read the
status.
Reading data from the shared memory using the program
Any desired area of the memory can be read using the intelligent unit read instruction
F150 (READ) .
For detailed information, check the next page.