Advertisement
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Module error (master module)
Module ready (master module)
Local station data link state (master module)
(5)
Create the following program and write Y100 to Y17F into RYn0 to RY(n+7)F.
(a) Using the dedicated commands (RIRD, RIWT)
When the dedicated commands (RIRD, RIWT) are used, RY(n+7)E,
RY(n+7)F are used with the dedicated commands, so the user must make
sure that this signal information is not rewritten.
Changeover to bank 0
Changeover to bank 0
6 - 5
MELSEC-A
Write 'Y100 to Y17F' to
'RYn0 to RY(n+7)F'
Read RY(n+7)0 to RY(n+7)F
new information
Retrieve RY(n+7)E,
RY(n+7)F state
Clear previous information
Develop into Y170 to Y17F
Write to RYn0
to RY(n+7)F
Advertisement
Chapters
Troubleshooting
