Serial I/O Controls

The following controls area available on the property page of the step.

Control Name

Description

Step Name

Name to give the step.

Command List

List of all the commands to send and receive through serial communication. The following information is displayed for each command:

Port—Name of the serial port to which an external device is connected. This name corresponds to the Ports (Serial & Parallel) names defined in the Devices and Interfaces list in Measurement & Automation Explorer (MAX).
Direction—Specifies whether the command is input or output.
Command—Command you want to send or receive.
Comment—Comments about the command.

Tip Right-click a command in the Command List and select either Move Up or Move Down to change the order of commands in the list.

Send Command

Launches a dialog box in which you configure a command to send.

Wait for String

Launches a dialog box in which you configure your system to wait for an incoming command.

Flush Port

Launches a dialog box in which you configure your system to clear the serial communication line.

Wait

Launches a dialog box in which you configure your system to wait before sending or receiving additional serial commands.

Edit

Launches a dialog box in which you can edit the selected command.

Delete

Deletes the selected command.

Delete All

Deletes all the commands in the Command List.

Test

Executes all the commands in the Command List.

Show Terminal

Launches a Communication Terminal that lists all of the terminals and displays the commands that are sent and received.

Step fails in case of error or timeout

Sets the step status to FAIL when there is an error or timeout during communication.