Mitsubishi Electronics A1SJ71AT23BQ ユーザーズマニュアル
5
PREPARATORY PROCEDURES BEFORE
OPERATION
5.5 Self-diagnostic Test
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5.5
Self-diagnostic Test
The self-diagnostic test checks the hardware or cable wiring of a local module.
Table 5.4 Items of self-diagnostic test
Item
Description
Reference
section
Self-loopback test
Checks the hardware including transmission circuit in a single local module.
Station-to-station test (Executing station) Checks a line between two adjacent stations.
A test is performed to a line between two stations assuming that the station
which has the small station No. is the executing station and the other is the
other station.
which has the small station No. is the executing station and the other is the
other station.
Station-to-station test (Other station)
Forward loop test
(Not provided for the MELSECNET/B)
(Not provided for the MELSECNET/B)
Checks a forward loop side line of the MELSECNET after connecting all
stations by a cable.
stations by a cable.
Reverse loop test
(Not provided for the MELSECNET/B)
(Not provided for the MELSECNET/B)
Checks a reverse loop side line of the MELSECNET after connecting all
stations by a cable.
stations by a cable.