r
.-
L
r
4.
AXCPU
/MELSEC-A
(a)
Initial
setting error
1)
If
an initial setting error occurs, the settings are reset to
the defaults
(see
below) to execute communications
with
a
remote
I/O
module.
h
Dd8a
Total number of stations
64
stations
Number of remote terminal stations
0
I
i.
Mode
Automatic online return
supported
2)
After correcting the initial setting data, reset the A2C
using the
RUN
key
switch or change the operation
status from
STOP
to
RUN.
Communications are ex-
ecuted with the remote
I/O
modules and remote
terminal modules according to
the
newly set initial
setting data.
(b) Processing
at
an
occurrence of disconnected line error
1)
When
a
disconnected
line
error occurs, outputs are
determined according to the communication mode and
the setting
for
processing
at
an occurrence
of
com-
munication error.
The output state varies between the stations preceding
and succeeding the cable disconnection point or power
OFF
remote station.
Uno
Error
duo
to
c.#r
Dkcondon
Uno
Em
duo
to
Rmoto
Strtion
Powor
OR
No.
2
No.
1
fiL
Cable
disconnection
ttun
Output
Procoming
mt
M
Ocsuwuw
of
CommunMlon
Error
Communication mode (M9069)
output
Results of sequence program operation are
Output
by
sequence program
MM":
ON)
Output
OFF
(M9069:
OFF)
No.
1
*A2C
UO
module:
OFF
provided
OFF
Automatic online return
No'
Remote
UO
module for MINI-S3: Deoendr on
EC
mode
~~
Automatic online return A2C
VO
module:
OFF
not provided Remote
VO
module for MINI-S3: Depends on
EC
mode
Communication stop
A2C
UO
module:
OFF
Remote
I/O
module for MINI-S3: Depends on EC mode
4-43
I8
INAI
6823BA
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