Mitsubishi Electric MELSEC-A Series Manual page 106

2
REPLACEMENT OF MELSECNET (II) AND /B (PLC TO PLC NETWORK)
(4) Local station special register
Special registers enabled when host station is a local station
Special register in the case of MELSECNET (II)
master station
Number Name
Station number
D9243 information for host
station
Number of link
D9244
device stations
Number of receive
D9245 error detection
times
D9248
D9249
Local station
operation status
D9250
D9251
D9252
D9253
Local station error
status
D9254
D9255
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Description Number
Stores the station
SW0042
number. (0 to 64)
Stores number of slave
SW0056
stations.
Stores cumulative total SW00B8 to
of receive errors. SW00C7
SW0084
Stores local stations in
SW0085
a STOP or PAUSE
SW0086
status.
SW0087
SW0074
Stores the local station
SW0075
number other than the
SW0076
host, which is in error.
SW0077
: Compatible,
MELSECNET/H special register
Name Description
Stores the station
Station No.
number of the host.
Stores the total
Total number of link number of link
stations stations that is set
with the parameters.
Various error Various error
counters counters
Stores the CPU
Each station CPU
RUN status of each
RUN status
station.
Cyclic transmission Stores the cyclic
status of each transmission status
station of each station.
: Partial change required, × : Incompatible
Compat- Precautions for
ibility replacement
The error count for
each error cause is
stored.