Svantek SVAN 971 - Appendix A. Remote Control; Input; Output Transmission Types; Function #1

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SVAN 971 User Manual – Appendixes

APPENDIX A. REMOTE CONTROL

The USB 2.0 interface is the serial one working with 480 MHz clock which enables one to control remotely

the unit. Its speed is relatively high and it ensures the common usage of USB in all produced nowadays

Personal Computers.

The functions, which are developed in order to control data flow in the serial interfaces, ensure:

- Bi-directional data transmission,

- Remote control of the instrument.

The user, in order to programme the serial interface, has to:

1. send "the function code",

2. send an appropriate data file

3. receive a data file.

A.1 INPUT / OUTPUT TRANSMISSION TYPES

The following basic input / output transmission types (called functions) are available:

#1 input/output of the control setting codes,

#2 read out of the measurement results in the SLM mode,

#3 read out of the measurement results in the 1/1 OCTAVE analysis or 1/3 OCTAVE analysis mode,

#4 read out of the data file from the internal Flash-disc or RAM memory,

#5 read out of the statistical analysis results,

#7 special control functions,

#9 writing the data file into the internal flash-disk.

#D read/write the data file from the external memory (SD-card),

A.2 FUNCTION #1 - INPUT/OUTPUT OF THE CONTROL SETTING CODES

#1 function enables the user to send the control setting codes to the instrument and read out a file

containing the current control state. A list of the control setting codes is given in Tab. A.1. The format of #1

function is defined as follows:

#1,Xccc,Xccc,(...),Xccc;

#1,Xccc,X?,Xccc,(...),X?,Xccc;

where:

X - the group code, ccc - the code value,

X? - the request to send the current X code setting.

The instrument outputs in this case a control settings file for all requests X? in the following format:

#1,Xccc,Xccc,(...),Xccc;

In order to read out all current control settings the user should send to the device the following sequence

of characters:

#1;

The instrument outputs in this case a file containing all control settings given in Tab. A1 in the format:

#1,Xccc,Xccc,(...),Xccc;

Example: The instrument sends the following sequence of characters as an answer for the mentioned

above request:

Svantek SVAN 971 - Appendix A. Remote Control; Input; Output Transmission Types; Function #1 - Input;Output of Control Setting Codes