Fluke 225C User Manual - Page 77

Starting and Stopping Measuring, Selecting a probe type, Performing Bushealth Measurements, Press

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5 Accept your choice. For bus types followed by 3 dots ... a new menu will open: Select the required item and press . The test tool starts measuring now. You will see a screen like Figure 35. Each bus type has a default probe setting (e.g. 10:1). If the probe setting before selecting the fieldbus type was different from this default probe setting, the probe menu is shown with the default setting highlighted. To accept the default setting press . You can also select another probe type now using the arrow keys. 6 Connect the inputs as indicated in section Input Connections and Tested Signals on page 70 Tip Press (WIRING INFO) to get information on measurement connections. 6 Using The Bushealth Function Performing Bushealth Measurements Starting and Stopping Measuring Measuring starts immediately after you selected a bus type. The test tool now continuously monitors the bus signal and shows the signal properties. Measured minimum and maximum values (the extremes) will be stored and displayed from now on. To clear these values you can stop and start measuring as follows: 1 Press to stop measuring. The screen is frozen now. Press again to start a new measurement 2 Press to clear the screen and start measuring again. Selecting a probe type To select another probe type, do the following: 1 Select the input A or B key labels. 2 Open the Probe On A (B) menu 3 Select and accept ( ) the required probe attenuation. 67

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Using The Bushealth Function
Performing Bushealth Measurements
6
67
5
Accept your choice.
For bus types followed by 3 dots
… a new menu will open:
Select the required item and
press
.
The test tool starts measuring now.
You will see a screen
like Figure 35.
Each bus type has a default probe setting (e.g. 10:1). If the
probe setting before selecting the fieldbus type was
different from this default probe setting,
the probe menu is
shown with the default setting highlighted. To accept the
default setting press
. You can also select another
probe type now using the arrow keys.
6
Connect the inputs as indicated in section Input
Connections and Tested Signals on page 70
Tip
Press
(WIRING INFO) to get information
on measurement connections.
Starting and Stopping Measuring
Measuring starts immediately after you selected a bus
type. The test tool now continuously monitors the bus
signal and shows the signal properties. Measured
minimum and maximum values (the extremes) will be
stored and displayed from now on. To clear these values
you can stop and start measuring as follows:
1
Press to stop measuring. The
screen is frozen now. Press again
to start a new measurement
2
Press to clear the screen and
start measuring again.
Selecting a probe type
To select another probe type, do the following:
1
Select the input A or B key labels.
2
Open the
Probe On A
(
B
) menu
3
Select and accept (
) the
required probe attenuation.