Omron NT21 Reference Manual page 384

This section gives an overview of memory link operations and contains explanations centered on communications between
the PT and host when using memory link.
4-1 Operation of the Memory Link
4-1-1 PT Memory
4-1-2 Memory Link Commands
4-2 Outline of Communications
4-2-1 Communication Protocol
4-2-2 Notes on Using Commands
4-3 Commands/Responses
4-3-1 PT Memory Read Command (Sent from Host to PT)
4-3-2 Numeral Memory Table Read Command (Sent from Host to PT)
4-3-3 Character String Memory Table Read Command (Sent from Host to PT)
4-3-4 Bit Memory Table Read Command (Sent from Host to PT)
4-3-5 Screen Data Comment Read Command (Sent from Host to PT)
4-3-6 System Status Read Command (Sent from Host to PT)
4-3-7 PT Memory Write Command (Sent from Host to PT)
4-3-8 Numeral Memory Table Write Command (Sent from Host to PT)
4-3-9 Character String Memory Table Write Command (Sent from Host to PT)
4-3-10 Bit Memory Table Write Command (Sent from Host to PT)
4-3-11 PT Memory Batch Write (FILL) Command (Sent from Host to PT)
4-3-12 Numeral Memory Table Clear Command (Sent from Host to PT)
4-3-13 Character String Memory Table Clear Command (Sent from Host to PT)
4-3-14 Bit Memory Table Clear Command (Sent from Host to PT)
4-3-15 Touch Switch Input Notify Command (Sent from PT to Host)
4-3-16 Numerical Input Notify Command (Sent from PT to Host)
4-3-17 Character String Input Notify Command (Sent from PT to Host)
4-3-18 Direct Area Changing Notify Command (Sent from PT to Host)
4-3-19 PT Memory Changing Notify Command (Sent from PT to Host)
4-3-20 PT Operation Mode Switching Command (Sent from Host to PT)
4-3-21 Re-send Request Command (Sent from Host to PT)
4-3-22 Error Response (Sent from PT to Host)
4-4 Memory Link Online Transfer Function
4-4-1 Online Transfer Processes
4-4-2 Required Conditions
4-4-3 Example Applications
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Using Memory Link
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SECTION 4
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