133
RS-232C interface
(continued)
3.Return format
[
VTR
>
controller (PC)
]
The following responses are made to the commands. If
necessary, more than one response is made.
_
When the communication has ended suc-
cessfully
1.The receive completion message is returned.
[ACK]
06h
2.The execution completion message is returned.
[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]
[ACK] [STX] OPL [ETX]
_
When the communication has ended
unsuccessfully
[NACK]
15h
_
When processing is not possible due to
incorrect data or problem with the VTR
1.The receive completion message is returned.
[ACK]
06h
2.An error code is returned.
4.Error code table
ER001
:
Invalid command
z
Unsupported command received
z
Command execution error
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 condensation error
ER1FF
:
VTR system error
[STX]
[command]
[data]
[ETX]
02h
XX XX XX
XX.....XX
03h
[STX]
[E R N
1
N
2
N
3
]
[ETX]
02h
error code
03h