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3
SPECIFICATIONS
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2 When the protocol of an external device, such as a measuring instrument or a bar
code reader must be used, data communication is available by the non procedure
protocol or pre-defined protocol.
• Data communication by non procedure protocol
Using user frames makes send/receive data processing easy.
• Data communication by pre-defined protocol
The protocol of the external device can be simply selected, created, or edited on
the screen of GX Configurator-SC (Pre-defined protocol support function).
This can eliminate some communication control programs appropriate to the
external device, reducing the steps for creating sequence programs.
MELSEC-Q
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Troubleshooting
