Mitsubishi Electric MELSEC Q Series Reference Manual page 317

(6) Detection of duplicated control station or station No.
The control station duplication and station No. duplication are checked through the CC IE Control diagnostics, but
they also can be checked with link special relay (SB) and link special register (SW). (
10.3)
1.
Check the station No. of a station where an error has occurred with Parameter error status of each
station (SW00E0 to SW00E7).
2.
Monitor the station No. checked in above 1.
3.
When the control station or station No. is duplicated, Data link status of own station (SB0049) is
turned ON.
4.
The cause is stored in Cause of data link stop (SW0049).
No.
SB0049 Data link status of own station
(7) Checking results of the CC-Link IE Controller Network module test
The test result is checked through LED of the CC-Link IE Controller Network module main frame, but it also can
be checked with link special relay (SB) and link special register (SW). (
(a) Checking hardware test results
1.
When the hardware test is completed, Hardware test completion status (SB0090) is turned ON.
2.
When failed, Hardware test normal/error completion status (SB0091) is turned ON.
No.
SB0090 Hardware test completion status
SB0091 Hardware test normal/error completion status
(b) Checking self-loopback test results
1.
When the self-loopback test is completed, Self-loopback test completion status (SB0092) is turned
ON.
2.
When failed, Self-loopback test normal/error completion status (SB0093) is turned ON.
No.
SB0092 Self-loopback test completion status
Self-loopback test normal/error completion
SB0093
status
Description
—
Description
Description
CHAPTER 8 PROGRAMMING
No. Description
SW0049 Cause of data link stop
SW00E0
to Parameter error status of each station
SW00E7
Page 150, Section 5.4)
No. Description
—
No. Description
—
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