Creating rules for value changes of data points on Modbus devices - Modbus 4.1

Modbus Plugin Guide 4.1

series
Modbus 4.1
revised_modified
2020-05-06

To receive events and alarms in Security Center when the value of a Modbus data point changes, you must create rules.

Procedure

  1. From the Config Tool home page, open the Plugins task.
  2. Select the Modbus plugin role from the entity browser, and click the Rules page.
  3. In the Data section, click the Add () button .
  4. In the Create a rule dialog box, enter the following parameters:
    Name
    Type a name for the rule.
    Description
    Type a description for the rule.
    Entity
    Select a specific Modbus device to monitor, or select All to monitor all Modbus devices of the given type.
    Property
    Select which Modbus property to monitor. When you select a property, its data type is displayed.
    Type
    The .NET framework type of the property used by the Modbus plugin.
    Operator
    Select what the property value must be in relation to the Value option (equal to, not equal to, lesser than, greater than, and so on) to trigger the event.
    Value
    Type a value that the Operator is tested against.
    Action
    Select which custom Security Center event or alarm to trigger.
  5. Click Save.

Results

The rules are listed in the Data section of the Rules page for the plugin.

After you finish

Create actions to send to Modbus devices when a Security Center event occurs.