Mitsubishi Electric MELSEC-A Series Manual page 105

2
REPLACEMENT OF MELSECNET (II) AND /B (PLC TO PLC NETWORK)
Special register in the case of MELSECNET (II)
master station
Number Name
Loop switching
D9211
count
D9212
D9213
Local station
D9214 operation status
D9215
D9216
D9217
Local station error
detection status
D9218
D9219
D9220 Local station
parameter
D9221
mismatch
D9222
Remote I/O station
I/O assignment
D9223
error
D9224 Local station,
remote I/O station
D9225
initial
D9226
communication
D9227
underway
D9228
Local station,
D9229
remote I/O station
D9230
error
D9231
D9232
D9233
D9234
Local station and
D9235
remote I/O station
D9236
loop error
D9237
D9238
D9239
Number of receive
D9240 error detection
times
Description Number
Stored as cumulative
SW00CE
value
SW0084
Stores local stations in
SW0085
a STOP or PAUSE
SW0086
status.
SW0087
Stores whether each
local station has
None
detected any error in
other station.
Turns ON when a local SW007C
station or a remote I/O
SW007D
station has detected
SW007E
an error on the link
parameters from the
SW007F
master station.
SW0078
Stores stations that are
SW0079
performing
SW007A
communication of link
parameters.
SW007B
SW0074
SW0075
Stores data link error
stations.
SW0076
SW0077
SW0091
SW0092
SW0093
Stores the station that
SW0094
detected the error on
the forward loop line
SW0095
and reverse loop line.
SW0096
SW0097
SW0098
Stores cumulative total SW00B8 to
of receive errors SW00C7
: Compatible,
MELSECNET/H special register
Name Description
Accumulates and
Loop switching stores the number of
count loop checks
conducted.
Stores the CPU
Each station CPU
RUN status of each
RUN status
station.
- -
Parameter error Stores the
status of each parameter status of
station each station.
Parameter Stores the
communication communication
status of each status of each
station station parameters.
Cyclic transmission Stores the cyclic
status of each transmission status
station of each station.
Stores the forward
Forward loop status
loop status of each
of each station
station.
Reverse loop Stores the reverse
status of each loop status of each
station station.
Various error Various error
counters counters
: Partial change required, × : Incompatible
Compat- Precautions for
ibility replacement
Can be substituted by
SW0074 to SW0077.
The error on the loop
line of the forward loop
is stored.
The error on the loop
line of the reverse loop
is stored.
The error count for
each error cause is
stored.
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