Справочник Пользователя для Fluke ScopeMeter 125/001 2- Channel hand-held oscilloscope, Scope-Meter, hand-heldBandwidth 40 MHz 2838888
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2838888
4-1
Chapter 4
Field Bus Measurements
Introduction
Fieldbuses are bi-directional, digital, serial control
networks used in process control and industrial
automation.
The test tool can indicate the status of the following
aspects of the OSI model Physical Layer:
•
•
Voltage levels (bias, high level, low level)
•
Bit width – baud rate
•
Rise and fall time
•
Distortion
Moreover the test tool can show the bus signal waveform
in the Eye-pattern mode, see page 4-7.
The test tool operates in full automatic (ranging and
triggering) mode. Test limits are preset, but can be
changed, see page 4-8.
For supported bus types and protocols see Chapter 10,
section Fieldbus Measurements.
Note
You can perform resistance measurements and
capacitance measurements using the
Scope/Meter mode.
capacitance measurements using the
Scope/Meter mode.