18
(6) Transmission frame error (Master receive)
①
Master sends read command.
②
Slave returns ACK code to acknowledge read command.
③
Slave sends read data to master.
④
For some reason, master fails to receive read data.
⑤
Slave fails to receive acknowledgment of read data and attempts to resend every 3 seconds for 3
times.
⑥
After the third failure, slave aborts the sequence and ends communication.
Master (Machine)
1
2
1
6
Read data (ASCII code)
Read data (ASCII code)
Read data (ASCII code)
Read data (ASCII code)
3
4
1
Read command (ASCII code)
ACK code (06H)
5
3 second
elapse
3 second
elapse
3 second
elapse
Slave
(HV-F32SCL)
HITACH
3CCD
Summary of Contents for HV-F130SCL
Page 48: ...36 17 Dimensions ...