Input and output settings when failure occurs
A master/local module allows for the following settings.
Setting
Input Data from Data Link Faulty Station
Data Link Setting at CPU Failure
Master station
Remote input (RX)
Station No.1
Station No.2
Station No.3
Station No.4
Remote output (RY)
Station No.1
Station No.2
Station No.3
Station No.4
Remote register
(RWr)
Station No.1
Station No.2
Station No.3
Station No.4
Remote register
(RWw)
Station No.1
Station No.2
Station No.3
Station No.4
Setting method
■Setting of the input data from a data link faulty station
Select the input data setting under "Supplementary Cyclic Settings" in "Application Settings". ( Page 69 Supplementary
Cyclic Settings)
■Data link setting at CPU failure
Select the data link setting under "Supplementary Cyclic Settings" in "Application Settings". ( Page 69 Supplementary
Cyclic Settings)
1 FUNCTIONS
34
1.1 Cyclic Transmission
Remote I/O station
Remote device station
(station No.1)
(station No.2)
Input
Remote input (RX)
Output
Remote output (RY)
Remote register
(RWr)
Remote register
(RWw)
Range where the settings are enabled
Whether to clear or hold the following RX and RY input data from other stations can be
selected.
• Master station RX
• Local station RX and RY
The RWr and RWw input data from other stations are held regardless of the setting.
• Master station RWr
• Local station RWr and RWw
Whether to stop or continue data link when a stop error occurs in the CPU module of a master
station can be selected.
Local station
(station No.3)
Remote input (RX)
Station No.1
Station No.2
Station No.3
Station No.4
Remote output (RY)
Station No.1
Station No.2
Station No.3
Station No.4
Remote register
(RWr)
Station No.1
Station No.2
Station No.3
Station No.4
Remote register
(RWw)
Station No.1
Station No.2
Station No.3
Station No.4
Target areas for clear/hold
Areas held regardless of the setting
Local station
(station No.4)
Remote input (RX)
Station No.1
Station No.2
Station No.3
Station No.4
Remote output (RY)
Station No.1
Station No.2
Station No.3
Station No.4
Remote register
(RWr)
Station No.1
Station No.2
Station No.3
Station No.4
Remote register
(RWw)
Station No.1
Station No.2
Station No.3
Station No.4