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5. MONITOR FUNCTIONS AND THEIR USE
MELSEC-A
5.14
Turning ON and OFF the LEOs on the Operation Panel from an ACPU
[Function)
This function is used to turn ON and OFF the LEOs on the operation panel
key pads by a sequence program, notifying the operator of the data input
timing of the operation panel, and of the data input completion timing by the
sequence program.
This function can be used for the following conditions:
(1)
An ACPU that can turn ON and OFF the LEOs on the operation panel:
A PC CPU to which the G-controller module is installed.
(2)
How to turn ON and OFF the LEOs:
Use the Y output signals between the ACPU and the G-controller module
(ON: turns ON, OFF: turns OFF).
The Y output signals correspond to LEOs shown below:
The following gives the Y output signals numbered when the G-controller
module is loaded into slot O. (The numbering varies according to the
loading location.)
(Keyboard layout)
LED
•
LED
(Y signals for each LEO)
Y10 Yl1 Y12 Y13 Y14 Y15 Y16 Y17
' - ------J' - ------J' - ------JL.-.-OOOO
[~181[~191[~lAl[~1B 1[~lcl[~1Dl[~1E 1[~lF
10000
000000000000
000000000000
000000000000
000000000000
5-181
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