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MELSEC-Q
10. POSITIONING DEBUGGING
10.2.4 Signal monitor
PURPOSE
Monitor the I/O signals (X/Y device), external I/O signals and status signals of the
QD75.
For the signals, refer to QD75 User’s Manual.
BASIC OPERATION
1. Perform the basic operation in Section 10.2.2 to display the operation monitor
window.
2. Click the "Signal" button in the operation monitor window.
3. Click the <<X Device>>/<<Y Device>>/<<External I/O signal>>/<<Status
signal>> tab.
DISPLAY/SETTING SCREEN
[X Device monitor] [Y Device monitor]
DISPLAY/SETTING DATA
Item Description
Title bar Shows the I/O address of the QD75 being monitored.
X Device Displays On/Off states of the QD75 input signals.
Y Device Displays On/Off states of the QD75 output signals.