Cyclic Data Update Watch Function
The update intervals of cyclic data are monitored. The last output value is held or cleared when the cyclic transmission stop
status continues longer than the set monitoring time.
The cyclic transmission stop status is the status that the D LINK LED is flashing (Data link in operation (cyclic transmission
stopped)) or off (Data link not performed (disconnected)).
Set whether to hold or clear the output value using the output HOLD/CLEAR setting function. For the output HOLD/CLEAR
setting function, refer to the following.
Page 87 Output HOLD/CLEAR Setting Function
(1) Monitoring starts when the first cyclic data is received.
(2) The cyclic data is updated within the range of the data link update time.
(3) When the cyclic data update interval exceeds the set time, output is in the HOLD/CLEAR state.
Set "Method selection" to "Parameter write".
"CC IE Field Configuration" window Select an I/O module in "List of stations". [CC IE Field Configuration]
[Online] [Parameter Processing of Slave Station]
Set the monitoring time in "Cyclic data update watch time setting".
Cyclic data update watch time setting
Set the greater value for the cyclic data update watch time setting than that of the link scan time.
8.5 Cyclic Data Update Watch Function
Cyclic data update time
monitoring time setting
• 0 (Not monitor)
• 1 to 20 (0.1 to 2 seconds in units of 100ms)