Hioki 3166 - Output Queue; Input Buffer

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11.3 Details of the RS-232C Interface
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1.3.8 Output Queue
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1.3.9 Input Buffer
Response messages accumulate in the output queue and are read out as data
and cleared by the personal computer. The output queue is also cleared in the
following circumstances:
1. Turing on the power
2. Reset by key input
3. Query error.
If a new message is received while there is data in the output queue, the
output queue is cleared and a query error is generated.
The capacity of the power meter’s input buffer is 1024 bytes. If more than
1024 bytes of data are to be transmitted and the buffer becomes full, data is
read and discarded until analysis of the data in the input buffer is complete.
(This applies when XON/XOFF control and RTS/CTS control are disabled.)