Mitsubishi Electric MELSEC iQ-R Series User Manual page 215

Item
Variable Value Settings Variable Type
Variable Value
Storage Register
Detail
Window
Select a variable in the Variable list, right-click  shortcut menu [Modify][Details] tab
Displayed items
Item
Upper Limit Value/Lower Limit Value Defined
*1

Limit Attribute Settings
No. Of Limit Monitoring
Event Link
*1 Handled by only the GEM advanced version.
Limit attributes can be configured for variables that satisfy all the following conditions.
• At the [Basic] tab, configure [SV] for "Class"
• At the [Basic] tab, configure a numeric type (BOOL, I1, I2, I4, U1, U2, U4, F4, or F8) for "Data Type"
• At the [Details] tab, select the "Upper Limit Value/Lower Limit Value Defined" checkbox
Description
Select the handling method of the value configured to "Variable Value".
• Fixed value: "Variable Value" is the fixed value of the variable. This setting cannot be changed from
the programmable controller CPU or host.
• Setup value: "Variable Value" is the initial value of the "Storage destination register". Applied as the
initial value when "Variable Setup" is "With Setup" of operations at start-up and the "Configuration File
Browse" was set to "Tool Configuration File" when updating the SECS/GEM communication software
pre-installed model module.
( Page 129 Updating SECS/GEM Communication Software Pre-installed Model Module)
• Default value: "Variable Value" is the default value of the "Storage destination register".
Configure the variable value.
Configure the register to store the value of the variable.
Variable Type can be configured to "Setup Value" or "Default Value".
Description
If the variable is data that has upper and lower limit values, select the "Upper Limit Value/Lower Limit
Value Defined" checkbox, and then configure the values.
If the variable is subject to limit monitoring, select the "With Limit Monitoring" checkbox.
It is necessary to click the [Limit Attribute Definition] button, and then configure the limit settings.
For details of limit attribute definitions, refer to the following:
Page 220 Limit Attribute Definition
Configure the number of limit attributes to be monitored using this variable.
Select the event to be reported to the host when the variable value crosses the region configured by the
limit attribute.
8 GEM COMPLIANT FUNCTIONS
8.11 Variable Setting
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