(1) and (3) (Command Data area) store the data to be transmitted from the host device to the Display.
After the Display analyzes the Command Data, (2) and (4) (Response Data area) store the result of "ACK" or "NAK", or no response.
Please send the Command Data (3) from the host device after receiving the Response Data (2) from the Display.
When detect the break of the communication cable and the Display power cuts, setting to the environment which is used, please set the response timeout time of host side. 3 seconds in response timeout time of host side are recommended.
When entered with the touch panel, the Display sends the data stored in the interrupt data area to the host device. (Interrupt Output)
When interrupt output is written by a Word Switch (16 bit), the contents of the lower 8 bits are output as an interrupt code.
The timing of the interrupt output is set with the Word Switch Trigger Action.
Interrupt output does not occur in case of 1:n or RS422/485 (2wire) connection. Please refer to the interrupt output request.
Interrupt Output Requests