94
8.8
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 digital output HOLD/CLEAR setting function and the analog
output HOLD/CLEAR setting function.
For the digital output HOLD/CLEAR setting function, refer to the following:
• Digital output HOLD/CLEAR setting function (
For the analog output HOLD/CLEAR setting function, refer to the following:
• Analog output HOLD/CLEAR setting function (
(1) Setting procedure
1.
Set "Method selection" to "Parameter write".
"CC IE Field Configuration" window
Select the main D/A converter module from "List of stations"
[CC IE Field Configuration]
[Online]
[Parameter Processing of Slave Station]
2.
In "Station parameter", set the monitoring time for "Cyclic data update watch time setting".
●
For the cyclic data update watch time setting, set a greater value than the link scan time.
●
Under operation in synchronous communication mode, the setting of Cyclic data update watch time setting is ignored.
Item
Setting range
Cyclic data update watch time setting
• 0 (Not monitor)
• 1 to 20 (0.1 to 2 seconds in units of 100ms)
Master station
Remote device
station
Cyclic data is updated at each data
link update time.
Cyclic data
When the cyclic data update interval
exceeds the set time, the output falls
into the HOLD/CLEAR status.
Monitoring starts when cyclic data
are received for the first time.
Cyclic data update
watch time setting
Содержание NZ2EX2B-60DA4
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