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3 SPECIFICATION
MELSEC-QnA
(7) Data link startup by buffer memory parameter error completion: Xn7
Indicates abnormal completion in data link startup requested by the buffer-
memory parameter data link startup request (Yn6).
(a) When (Yn6) is turned on, the parameter contents at the (address 0
H to 5FH)
in buffer memory are checked. If error is detected the signal for "data link
startup by buffer-memory parameter abnormal completion" (Xn7) is turned on.
(b) Parameter setting status (Xn2) is turned on and the error code is stored in the
host station parameter status in buffer memory (SW0068).
(c) (Xn7) is turned off by turning off (Yn6).
0
Parameter setting status (Xn2)
Data link startup by buffer-memory
parameter error completion (Xn7)
Host station parameter status
(SW0068)
Buffer-memory parameter
data link startu
p
re
q
uest
(
Yn6
)
Error code
Start
processing
(8) Data link startup by E
2
PROM parameter normal completion: Xn8
Indicates normal completion in data link startup requested by the E
2
PROM
parameter data link startup request (Yn8).
(a) When (Yn8) is turned on, the E
2
PROM parameter contents are checked. If
the check result is normal data link is started automatically.
(b) When data link is normally started, the signal for "data link startup by
E
2
PROM parameter normal completion" (Xn8) is turned on.
(c) (Xn8) is turned off by turning off (Yn8).
OFF
0
Data link startup by E
2
PROM
parameter normal completion (Xn8)
Parameter setting status (Xn2)
E
2
PROM parameter data link
startup request (Yn8)
Host station parameter status
(SW0068)
Start
processing