1 FUNCTIONS
1.6 Submaster Function
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1
Return of the master station with the submaster station being disconnected
Even if "Return as Sub-master Operation Station" is selected in "Operation of Master Station after Reconnection" under "Basic
Settings", the master station returns as a master operating station.
When the redundant configuration splits into two systems due to cable disconnection
If disconnection occurs as follows, the submaster station operates as a master operating station.
When disconnection is solved (the systems are joined into one system), the system of the submaster station is absorbed into
that of the master station. Continuity of output data is not guaranteed in the slave station on the submaster station side.
Access to the specified master station and submaster station
Access to the specified master station and submaster station cannot be performed using the engineering tool or dedicated
instructions in the following modules:
• A master/local module that does not support the submaster function
• A slave station that does not support access specifying the master station and submaster station
(1) System of the master station
(2) System of the submaster station
(3) The master station starts to take in control.
(2)(1)
(3)
Master stationSlave station Slave stationSubmaster station
Disconnected
Recovered
Master operationMaster operation
Master stationSlave station Slave stationSubmaster station
Submaster
operation
Master operation
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