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3.3.2 Using the master/local module as a local station
(1) Safety communication function (using the master/local module as a local
station (safety station))
(2) Cyclic transmission
Function Description Reference
Communication with safety stations
Communication starts among safety stations on the same network
after safety connections are established.
Page 96, Section 8.1.1
Error log registration function
Information on errors occurred in safety stations and errors
occurred in communications among safety stations are transferred
to the safety CPU module and registered as error logs.
Page 99, Section 8.1.2
Safety station interlock function
If an error occurs in safety communication, this function cuts off the
safety communication and prevents automatic resumption of the
communication.
Page 100, Section 8.1.3
Function Description Reference
Communication
with other
stations
Communication by
RX and RY
I/O data in bit units is communicated between the local station and
other stations.
Page 81, Section 7.3
Page 103, Section 8.2.1
Communication by
RWr and RWw
I/O data in word units is communicated between the local station
and other stations.
Device and link
device access
Link refresh
Transfer between the link device of the master/local module and the
device of the safety CPU module is performed automatically.
Page 86, Section 7.5
Page 104, Section 8.2.2
Assurance of cyclic data integrity
The cyclic data integrity is assured in units of 32 bits or station-
based units.
Page 106, Section 8.2.3
Input status setting for data link faulty
station
Select whether the input data from another station where the data
link error occurred is cleared or held.
Page 113, Section 8.2.5
Output status setting for CPU STOP
When the safety CPU module mounted with a master/local module
is set to STOP, whether cyclic data output is held or cleared can be
selected.
Page 115, Section 8.2.6
Cyclic transmission stop and restart
During debugging and other operations, cyclic transmission is
stopped. (Data reception from the slave station and data
transmission from own stations are stopped.) Also, the stopped
cyclic transmission is restarted.
Transient transmission is not stopped.
Page 116, Section 8.2.7
Page 138, Section 9.4