Mitsubishi Electric MELSEC-Q Series User Manual page 406

(3) Line test
Whether a CC-Link dedicated cable is properly connected and data link can be performed with slave stations can
be checked.
1.
Open the "CC-Link/CC-Link/LT Diagnostics" window.
[Diagnostics]
2.
In "Module Setting", select "CC-Link". Then select a master station to be monitored in "Module
No." or "I/O Address".
3.
Click the
4.
Click the
The "Loop test" window appears.
5.
Specify the station where a line test is executed in "Target station". Then click the
button.
To execute a test in all the stations: Select "All stations (1-64)".
To execute a test in a specified station: Select "Selected station" and enter the station number.
6.
The test result is displayed in "Operation state of all stations".
● If the
● Do not write data to the buffer memory areas (buffer memory addresses: 5E0
● Do not execute a line test using a program and other peripherals at the same time. The line test may not be normally
executed.
(4) Transmission speed test
A transmission speed test cannot be executed on the CC-Link diagnostics of GX Developer. Execute a test using
link special relays (SBs) and link special registers (SWs). (
(5) Status logging
The status logging cannot be performed on the CC-Link diagnostics of GX Developer. Use GX Works2 to perform
it.
404
[CC-Link/CC-Link/LT Diagnostics]
button.
button.
button cannot be clicked, check that the master station has been selected in "Module Setting".
and 608 ) during line test.
H H
Page 91, Section 6.5.2 (2))