5. Commands and Functions - Sanyo Denki America, Inc.
5. Commands and Functions - Sanyo Denki America, Inc.
5. Commands and Functions - Sanyo Denki America, Inc.
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6. Communication specifications<br />
6.3.2 Communication Method (Abnormal Operation)<br />
1) If the slave device did not send a status response (but a return response is sent)<br />
Master<br />
Comm<strong>and</strong> issue<br />
Transmission enable<br />
Slave<br />
Status response<br />
Transmission enable<br />
Status response does not work for some reason<br />
<br />
i) Time until the master can issue the next comm<strong>and</strong> if there is no status response after issuing the<br />
comm<strong>and</strong>: Minimum [T3]<br />
2) If abnormal data is generated<br />
Abnormal data<br />
Data is interrupted during a packet<br />
Communication error occurred due to noise, etc.<br />
Master<br />
Comm<strong>and</strong> execution<br />
Slave<br />
Status response<br />
<br />
<br />
i) In the case of abnormal data (packet is not recognizable), the master stops issuing of comm<strong>and</strong>s for at<br />
least [T3].<br />
ii) If there is no communication for at least [T3], the slave discards the previously received<br />
unrecognizable data. If the communication continues after [T3], the first data is interpreted as the<br />
header (packet length). If the packet is recognizable, it will be processed normally.<br />
6-6
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