Mitsubishi Electric MELSEC-Q Series User Manual page 91

(b) Line test 2
Universal model
Example
QCPU
When the test is completed
When the test is not completed (error on all the stations)
High Performance model
Example
QCPU
: ON
: Flashing
: OFF
: ON
: Flashing
: OFF
: ON
: Flashing
: OFF
CHAPTER 6 INSTALLATION AND WIRING
1.
Before the line test 2, check the following:
• If the switch on the CPU module is set at STOP
• If the switch on the CPU module is not set at RESET
• If all the stations are connected with CC-Link
dedicated cables
2.
Set the station number setting switches on the
master station to the station number of the slave
station where the test is executed.
Set the start station number when the number of
occupied stations is two or more.
3.
Set the transmission speed/mode setting switch on
the master station from 5 to 9.
When setting the switch from 5 to 9, set the same
transmission speed as that of during system operation.
( Page 21, CHAPTER 2)
4.
Reset the CPU module or power off and on the
system.
5.
The line test 2 is started. During the test, the MST
LED on the master station flashes.
6.
After the line test 2 is completed, the L RUN LED or
MST LED on the master station turns on.
• When the test is completed
L RUN LED: ON
MST LED: Flashing
• When the test is not completed
MST LED: ON
ERR. LED: Flashing
The error code is stored into Line test result (SW00B8).
( Page 293, Section 11.3.2)
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