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MELSEC-Q
6 PROGRAMMING
(7) Checking the online test status
The test status is checked through LED of the network module main frame, but it
also can be checked with link special relay (SB) and link special register (SW).
(Refer to Section 4.10.)
(a) Requesting side
1) When the online test is instructed, Online test instruction (SB00A8) is
turned ON.
An online test item and a faulty station number are stored in Online
test execution item/faulty station (requesting side) (SW00A8).
2) Upon completion of the online test, Online test completion (SB00A9) is
turned ON.
The online test result is stored in Online test result (requesting side)
(SW00A9).
No. Description No. Description
SB00A8 Online test instruction SW00A8
Online test execution item/faulty station
(requesting side)
SB00A9 Online test completion SW00A9 Online test result (requesting side)
(b) Responding side
1) When a response is made to an online test request from the
requesting side, Online test response (SB00AA) is turned ON.
An online test item is stored in Online test execution item (responding
side) (SW00AA).
2) Upon completion of the online test, Online test response completion
(SB00AB) is turned ON.
The online test result is stored in Online test result (responding side)
(SW00AB).
No. Description No. Description
SB00AA Online test response instruction SW00AA
Online test execution item (responding
side)
SB00AB Online test response completion SW00AB Online test result responding side)