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RS-232C interface (continued)
3.Return format
[VTR 5controller (PC)]
The following responses are made to the command. If
necessary, more than one response is made.
$When the communication has terminated
normally
1. The receive completion message is returned.
[ACK]
06h
2. The execution completion message is returned.
[STX] [command] [data] [ETX]
02h XX XX XX XX.....XX 03h
[command] :
This is the message (data) which is returned or
the execution completion message identifier.
[data] :
This is the data to be returned. It can be omitted.
Example:
Send command Return message (data)
[STX] OPL [ETX] 5[ACK] [STX] OPL [ETX]
$When the communication has terminated
abnormally
[NACK]
15h
$When processing is not possible due to
incorrect data or trouble in the VTR
1. The receive completion message is returned.
[ACK]
06h
2. An error code is returned.
[STX] [E R N1N2N3] [ETX]
02h
Error code
03h
4.Error code table
ER001 : Invalid command
OUnsupported command received.
OError in command execution
ER002 : Parameter error
ER102 : VTR mode error (front loading motor)
ER103 : VTR mode error (loading motor)
ER104 : VTR mode error (drum, capstan system)
ER105 : VTR mode error (reel system)
ER106 : VTR mode error (tension system)
ER108 : VTR dew error
ER1FF: VTR system error