Diagnostics

●If data transfer does not perform correctly when using the 232ADP, check the operation using the following programs.

●Program when sending

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●Set the communication format according to the external device to be used.

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Send request

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* Write the data to be sent to D 0 to D 19 before operating.

●If sending and receiving using these programs is successful, it is considered that the operation failure was due to sequence program or communication protocol error.

●Program when receiving

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●Set the communication format according to the external device to be used.

●Header and terminator are not attached.

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	Receive completion reset

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●If not operating normally when using these programs, eliminate the cause using the flow diagrams shown following.