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RS-232C interface
3) Return format [VTR → controller (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] → [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 N
1 N2 N3 [ETX]
02h Error code 03h
4. Error code table
ER001: Invalid command
•
Unsupported command received.
•
Error in command execution
ER002: Parametre 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