HEIDENHAIN TNC 426 PB/M Technical Manual page 789

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December 2001
Trigger:
7 7 7 7
Define the type of recording.
You have the following possibilities:
• FREE RUN The recording is started and ended by soft key. If you press
the STOP soft key, the last 4096 events are stored.
• SINGLE SHOT If you press the START soft key, the next 4096 events are
stored.
• CHANNEL 1 to 4 The recording begins when the triggering threshold of
the selected channel is exceeded.
Trigger threshold:
7 7 7 7
Enter the trigger threshold in the following dimensions:
• Velocity [mm/min]
• Position [mm]
• Shaft speed [mm/min]
• Following error [µm]
• Analog voltage [mV]
• Current [A]
2
• Acceleration [m/s
]
3
• Jerk [m/s
]
Slope:
7 7 7 7
Select whether the rising edge (positive slope) or falling edge (negative
slope) of the signal acts as trigger.
Pre-Trigger::
Recording begins at a time preceding the trigger time point by the value
entered here
7 7 7 7
Enter a value.
Oscilloscope display:
7 7 7 7
Press the OSCI Soft key.
Integrated Oscilloscope
6 – 459

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