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7.2.3
Checking the status of communications (line test)
This section describes the line test of CC-Link.
For the line test of CC-Link IE Field Network, refer to the following.
User's manual for the master/local module used
Test in execution
Normal completion
Abnormal end
To obtain Line test 1 result (address: 6B4
the remote buffer memory of the bridge module is required.
64
1.
Check the following before executing the line test.
• Check that the startup mode switch of the bridge
module is set to AUTO or PRM.
• Check that all the CC-Link remote stations are
connected using CC-Link dedicated cables.
• Check that the module is connected with the master
station.
2.
Set the station number setting switch of the bridge
module according to the network parameter of CC-
Link IE Field Network.
3.
Set the transmission speed/mode setting switch of
the bridge module to the range of 5 to 9.
When setting the switch to 5 to 9, set the same
transmission speed as that of the system operation.
( Page 17, CHAPTER 2)
4.
Turn the power supply off then on in the order of the
CC-Link remote station, the bridge module, and the
master station.
5.
The line test starts.
The MST LED flashes during the line test.
: On
: Flashing
: Off
6.
The L RUN LED or the MST LED turns on when the
line test is completed.
: On
• Test completed: The L RUN LED turns on and the
: Flashing
MST LED flashes. The station number which
: Off
performs data link successfully with the CC-Link
remote station is stored in Line test 1 result (address:
6B4
: On
• Test not completed (all stations failed): The MST LED
: Flashing
: Off
turns on and the ERR. LED on the CC-Link side
flashes. The error code is stored in Line test result
(address: 6B8
to 6B7
) or Line test result (address: 6B8
H
H
to 6B7
).
H
H
). ( Page 83, Section 9.5)
H
), a sequence program for accessing
H
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Table of Contents
Troubleshooting
