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Appendix a, A.1 description of interface, A.2 commands and queries – Eppendorf FemtoJet User Manual

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Appendix A

Operation via a computer

Certain commands and queries (Section 6.2) can be transmitted to the
unit using the optional cable/PC interface.

A.1 Description of interface

A computer can be connected to the remote control of the FemtoJet

via

one of the two RS 232 interfaces. Parameters can be entered or read out
via the computer.

The computer is connected by the special cable/PC interface cable.

The computer to be connected must comply with EN 60950/UL 1950
standards.

The serial interface of the computer should be set to the following
transmission parameters:

Baud rate:

9,600

Start bit:

1

Dat bits:

8

Parity: non
Stop bit:

2

Only ASCII symbols (incl. CR/LF) which can be represented are
transmitted.Therefore a terminal program, for example, is suitable for
remote control.

A.2 Commands and queries

The commands to be sent are defined with the following structure:

Commands to enter parameters:

"Cxxx=ssssssssss"

Commands to execute and to read out parameters:

"Cxxx"

C: Command
xxx:

Code for the executing command

=:

Separation for the following input parameters

ssssssssss:

Input parameters

In response to any command, the device provides a symbol string of a
similar structure:

"Axxx" for answers without output parameter
"Axxx=rrrrrrrrrr" for responses with output parameter
A: Answer

A_Bedien_Computer_en.fm Seite 49 Mittwoch, 27. September 2006 5:26 17