Mitsubishi Electric MELSEC iQ-R User Manual page 89

■When setting "Process alarm (Upper limit warning)", "Process alarm (Lower limit warning)",
or "Process alarm (Upper limit warning and lower limit warning)" in "Level trigger condition
setting"
1.
Set "A/D conversion enable/disable setting" to "A/D conversion enable".
[Navigation window]  [Parameter]  [Module Information]  Module model name  [Basic setting]  [A/D conversion
enable/disable setting function]
2.
Set "Warning output setting (Process alarm)" to "Enable".
[Navigation window]  [Parameter]  [Module Information]  Module model name  [Application setting]  [Warning
output function (Process alarm)]
3.
Set values for "Process alarm upper upper limit value", "Process alarm upper lower limit value", "Process alarm lower
upper limit value", and "Process alarm lower lower limit value".
Item
Process alarm upper upper limit value
Process alarm upper lower limit value
Process alarm lower upper limit value
Process alarm lower lower limit value
4.
Set "Logging enable/disable setting" to "Normal logging".
[Navigation window]  [Parameter]  [Module Information]  Module model name  [Application setting]  [Normal
logging function]
5.
Set the number of points of the logging data areas to be used by each channel in "Logging data points setting".
6.
Set the target data to be logged in "Logging data setting". Set either of "Digital output value" or "Digital operation value"
for each channel.
7.
Set the cycle to store the logging data in "Logging cycle setting value".
8.
Select a unit of the logging cycle setting value in "Logging cycle unit setting".
9.
Set a condition to generate a hold trigger in "Level trigger condition setting". Set "Process alarm (Upper limit warning)",
"Process alarm (Lower limit warning)", or "Process alarm (Upper limit warning and lower limit warning)".
10.
Set the judgment count of a level trigger in "Trigger judgment count setting value".
11.
Set the number of points of data to be collected in the time period from the occurrence of a hold trigger to when logging
stops in "Logging points after trigger".
12.
Set whether to enable or disable the logging read function in "Logging loading enable/disable setting".
Setting range
-32768 to 32767
1.14 Normal Logging Function
1
1 FUNCTIONS
87