
TOA VS-900 Programmer’s Guide
7
Log Data Output Request
The VS-900 Log Data Output allows you to monitor most station and system activity. Send the string
below to initiate Log Data flow from individual or multiple exchanges simultaneously. Once the data
stream has been initiated, the VS-900MF will continue to send the log data without re-sending the
request.
Field Name Length
(Bytes)
Value Description Direction
DLE 110H Delimiter
ENQ 105H Enquiry PC to VS-900MF
DLE 110H Delimiter
ACK 106H Acknowledgement VS-900MF to PC
DLE 110H Delimiter
STX 102H Start Of Text
Log Data
Request
14FH Log Data Output Request command
Exchanges 230H 30H
ON/OFF Status
Exchange #01 –
16
16 30H or 31H OFF = 30H ON = 31H
DLE 110H Delimiter
ETX 103H End Of Text
BCC 1xxH Block Check Character
PC to VS-900MF
DLE 110H Delimiter
ACK 106H Acknowledge VS-900MF to PC
DLE 110H Delimiter
EOT 104H End of Transmission
After the initial Log Data Request, the VS-900MF will send an enquiry (DLE & ENQ, 10H & 05H) to the
PC when log data is available in the queue. The PC should then respond with an acknowledgement (DLE
& ACK, 10H & 06H) so the log data will be sent from the VS-900MF. This process will repeat until there is
no information left in log data queue.
Field Name Length
(Bytes)
Value Description Direction
DLE 110H Delimiter
ENQ 105H Enquiry VS-900MF to PC
DLE 110H Delimiter
ACK 106H Acknowledge PC to VS-900MF
DLE 110H Delimiter
STX 102H Start Of Text
Log Data Sent 16F Log data
Exchange # 2xxH xxH Exchange #01 – 16
Time (HH:MM:SS) 6Hours, Minutes, and Seconds
Line #1 6Varies, Refer to Appendix A
Line #2 6Varies, Refer to Appendix A
Line #3 6Varies, Refer to Appendix A
Line #4 6Varies, Refer to Appendix A
*Status # 2xxH xxH Varies, Refer to Appendix A
DLE 110H Delimiter
ETX 103H End Of Text
BCC 1xxH Block Check Character
VS-90MF to PC
DLE 110H Delimiter
ACK 106H Acknowledge PC to VS-900MF
DLE 110H Delimiter
EOT 104H End of Transmission VS-900MF to PC