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11. TROUBLESHOOTING
MELSEC-A
11.3.6
When undecoded data is transmitted
Use this flow chart when the
AJ71C24
(in response to data from the com-
puter) transmits code and data which is not included in the control code.
Undecoded data is transmitted.
-
I
Correct the parity selling.
1
Correct the data length setting.
I
I
Correct the stop bit setting.
1
Match the computer and the
AJ71CZ4 transmission speed settings.
1
Set the terminal resistance to
'present'.
Are all interfaces
set to mode 1 to
8
to work
I
Set the modes correctly.
Consult the nearest Mitsubishi
*
If mode
9
to D is set when intelfaces
are working independently, noise
interference may
occur
between used
and unused interlaces.
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