8
(1) Transmission from master (normal process)
①
Session starts when ENQ is sent from master to slave.
②
Slave acknowledges by returning ACK to master.
③
Master sends data to slave.
④
Slave acknowledges receipt of data by again returning ACK to master and end the handshake.
(2
)
Master reads data (normal process)
①
Session starts when ENQ is sent from master to slave.
②
Slave acknowledges by returning ACK to master.
③
Master sends read command to slave.
④
Slave receives read command, then acknowledges by returning ACK code to master.
⑤
Slave sends read data to master.
⑥
Master receives read data, then acknowledges by returning ACK code to slave.
Master (Machine)
1
2
3
4
ENQ code (05H)
ACK code (06H)
Read command (ASCII code)
ACK code (06H)
6
5
Read data (ASCII code)
ACK code (06H)
Slave
(KP-FM200WCL
KP-FMR200WCL)
HITACHI
Slave
(KP-FM200WCL
KP-FMR200WCL)
Master (Machine)
1
2
3
4
ENQ code (05H
)
ACK code (06H)
ACK code (06H)
Transmit data (ASCII code)
HITACHI
Summary of Contents for KP-FM200WCL
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