At run time the application logs errors to diagnostics about the piloted control list selector under these circumstances:
If the list is remotely controlled, and the operator tries to use a key button or keyboard cursor key on it, the application logs an error.
If the list is operator controlled and Write on enter (on the General tab) is not selected:
If the user selects a state whose access (on the States tab) is set to Operator or to Operator and Remote, and the Value connection is unassigned:
If the list is operator controlled and Write on enter (on the General tab) is selected:
If the user presses an Enter key or button, and the selected state's access (on the States tab) is set to Operator or to Operator and Remote, and the Value connection is unassigned:
If a state’s value is too large for the data type of the tag assigned to the Value connection, or if the value is outside the assigned tag’s minimum and maximum values:
For example, the state value is too large for the tag’s data type if your data source is a PLC-5, the state value is 2,147,483,647, and the assigned tag is an integer tag using the address N7:0. Integer tags have a range of -32,768 to 32,767 only.
If Enter key handshaking is set up and "Write on enter" is selected (on the General tab), the Enter connection is not set to 1, and the handshake timers do not begin timing.
If the control list selector’s Enter key handshaking is still in effect when the operator presses the Enter button:
Create piloted control list selectors
Configure the piloted control list selector (General tab)
Set up states for the piloted control list selector (States tab)
Set up handshaking for the piloted control list selector (Timing tab)
Set up connections for the piloted control list selector (Connections tab)