STE 80722
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2.2.2 HOST Port
Table 2.2 HOST port communication specifications
Item Specifications
Interface RS-232C
Synchronous system Start-stop synchronization system
Communication system Half-duplex system
Communication rate 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,
115200 bps
Data format ASCII code
No. of transfer bytes Max. 255 bytes
Transfer data structure Data length: 7 or 8 bits
Parity: None, odd, even
Stop bit: 1 or 2 bits
Protocol Simple protocol communication
Timeout 10 sec. (character receiving intervals)
Fault recovery Command is re-sent from the host computer.
No special protocols are used.
Note: The communication rate and transfer data structure are specified in the user
parameter file. (For details, see Para. 2.3.)
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