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MELSEC-Q
7. SYSTEM CHECKING FROM PERIPHERAL DEVICE
7.4 Checking Connect
PURPOSE
Make sure that the cables between QD75 and servo amplifiers and between servo
motors, servo amplifiers and external devices are connected properly.
BASIC OPERATION
1. Power on the positioning system and STOP the PLC CPU.
2. Set the connection target. (Refer to Section 7.1.)
3. Choose Checking connect.
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Double click Double click
4. Click the "Online" button in the Checking connect window.
5. The online processing (test mode shift) confirmation dialog box appears.
Click the "Initialize" button to check connection after initializing the QD75.
Click "OK" to check connection without initializing the QD75.
6. Make sure that the external I/O signals are in the following states.
Drive unit ready, Upper limit, Lower limit: ON (red)
Stop signal: OFF (gray)
If any of the above states is not established, refer to "HELPFUL OPERATION
(1)" and "HELPFUL CORRECTIVE ACTIONS" in this section.
7. Check whether the following signals from the external devices are ON or OFF.
Stop signal, External command.
8. Set the JOG speed.
9. Press the "FWD" or "REV" button to start JOG operation.
Hold down the button to continue JOG operation.
10. Perform JOG operation and check the operation, rotation direction and feed
speed of the servo motor.
11. Perform JOG operation and check whether Zero phase and DOG signals turn
on or off.
12. Perform JOG operation and check whether the upper and lower limit switches
turn on or off.
Refer to "HELPFUL OPERATION (2)" in this section for the way to restore an
axis stop due to OFF of the upper/lower limit switch.
13. When an error has occurred, check the error code definition with the help
function (refer to Section 11.10), then click [Online]
[Test]
[Error Reset]
[Error Reset #1 to #4] menu ( to ).
14. To exit, click the "Offline" button, and click the "OK" button in the test mode
end confirmation dialog box.