Softing PROFIBUS Tester 5 - Notes on External Trigger Input and Output

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PROFIBUS Tester 5 (BC-700-PB) - User Manual

Notes on external trigger input and output

The external trigger interface is for use in oscilloscope function. It is not related to logical

trigger conditions used for frame recording during protocol analysis.

The trigger output is "low active" and allows for triggering an external oscilloscope according to the

trigger conditions of the internal oscilloscope functionality (triggering on voltage level or address). Note

that the hardware driver at trigger output causes a small delay of the trigger signal.

Select the trigger condition "external trigger" in the PROFIBUS Diagnostics Suite, if you want to use the

trigger input (high-active) as trigger condition for the internal oscilloscope function. A rising edge at

trigger input initiates recording the signal.

The LEDs "OUT" and "IN" of the terminal block serve es optical control.

Figure 30: Terminal block of the BC-700-PB