Bosch PIN8 N1 Guia de Resolução de Problemas descarregar pdf (Página 649)

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MPH-02, MPB-02, MPD-02 Handling, Diagnostic and Service Functions 10-67

DOK-INDRV*-MP*-02VRS**-FK01-EN-P

Note: If there isn’t any valid trigger signal available when the

oscilloscope function is activated, bit 7 for "trigger error" is set

in parameter P-0-0029, Oscilloscope: status word.

The parameter P-0-0026, Oscilloscope: trigger signal selection

determines which signal is monitored with regard to the parameterized

edge reversal or threshold value.

Besides the triggering of parameter contents, the drive provides the

possibility of recording any internal signal, i.e. memory address (patch

function).

Note: Using the patch function is only possible with information

about the structure of the internal data memory; therefore, this

function can be used effectively only by the developers of the

IndraDrive firmware.

In order to trigger at internal signals (memory address contents),

P-0-0485, Patch function 1, display or Patch function 2, display have

to be configured in P-0-0026.

See also "Extended Diagnostic Possibilities: Patch Function" in the same

chapter

Internal or External Trigger

The kind of trigger can be selected in parameter P-0-0028,

Oscilloscope: control word.

P-0-0028, bit 1:

• bit 1 = 0 → internal trigger (without offset measurement)

• bit 1 = 1 → external trigger (with offset measurement)

The trigger event is the point of time at which trigger signal (P-0-0026)

and trigger level (P-0-0027) are matching, taking the determined trigger

edge into account (P-0-0030). When the trigger event occurs, the internal

trigger is released.

When "internal trigger" is selected (P-0-0028; bit 1 = 0), the external

trigger source (P-0-0036, bit 0) is not taken into account. Until the trigger

event is reached the current status of the comparison "signal/trigger level"

is displayed in P-0-0029, Oscilloscope: status word.

When the trigger event has been reached, the bit "internal trigger event"

is set in P-0-0029, Oscilloscope: status word and recording is

continued until the defined number of measured values after trigger event

(P-0-0033) has been reached. Only then the bit "delay function

completed" is set (P-0-0029; bit 4). Setting this bit terminates the

complete recording. Independent of the trigger source, the bit indicates

the end of the recording.

When internal trigger source has been selected, the status bit "trigger

function completed" (P-0-0029, bit 3) is set simultaneously with the bit for

"internal trigger event" (P-0-0029, bit 2) (see status diagram).

Triggering at Any Signal

Patch Function

Trigger Event

Internal Trigger

(without Offset Measurement)

1 2 ... 644 645 646 647 648 649 650 651 652 653 654 ... 727 728

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