WindO/I-NV4 User’s Manual 3-39
5 User Communication
3
Communication
■ Trigger Condition
Set the trigger conditions for transmission or receiving of data.
TXD is selected as Type:
RXD is selected as Type:
Trigger Type: A condition for data transmission is selected from the following.
Rising-edge: Data is transmitted when the value of device address changes from 0 to 1.
Falling-edge: Data is transmitted when the value of device address changes from 1 to 0.
Satisfy the condition:
Data is transmitted when the condition changes from not satisfied to satisfied.
Fixed Period: Data is transmitted at a fixed time interval.
Data Type: Select the data type handled by the conditional expression.
Can only be set if Satisfy the condition is selected as Trigger Type.
For details, refer to Chapter 2 “1.1 Available Data” on page 2-1.
Device Address: Specifies the bit device or the bit number of the word device to serve as condition. You can only
specify the internal device.
Can only be set if Rising-edge or Falling-edge is selected as Trigger Type.
Click to display the Tag Editor. For the device address configuration procedure, refer to Chapter
2 “5.1 Device Address Settings” on page 2-68.
Condition: Sets the condition formula.
Can only be set if Satisfy the condition is selected as Trigger Type.
Click to display the Trigger Condition Settings dialog box. For the conditional expressions
configuration procedure, refer to Chapter 2 “5.2 Setting Conditional Expressions” on page 2-71.
Period (sec): Specify the period for command execution from 1 to 3600 (seconds).
This is enabled only when Fixed Period is selected in Trigger Type.
Trigger Type: Selects the condition to be ready to receive data from the following.
Always Enabled: The MICRO/I is always ready to receive data.
While ON: Ready to receive data when the value of device address is 1.
Value of Device Address
1
0
Action
Execution Execution Execution
1
0
Value of Device Address
Action
Execution Execution
Action
Execution
Condition
Satisfied
Not satisfied
Execution Execution
Fixed time interval Fixed time interval Fixed time interval
Action
ExecutionExecutionExecution
Value of Device Address
1
0
Enabled Enabled Enabled
Action