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4-14
Front Panel Operation
3.
4.
5.
Step 5. Configure the Scan Layer of the scan.
The scan layer is programmed from the SCAN CONTROL menu of the CONFIGURE
SCAN menu.
The following procedure summarizes the steps to configure the scan layer:
1.
2.
3.
From the SELECT CHAN SPACING menu, select one of the following to
control the process of scanning channels:
a.
TIMER ⎯ Use to set a time interval (1 millisecond to 99999.999 sec-
onds) between channels.
b.
GPIB ⎯ With this selection, bus triggers (GET or *TRG) control chan-
nel spacing. Each bus trigger received by the Model 7002-HD will
select the next channel of the scan.
c.
MANUAL ⎯ With this selection, the front panel STEP key is used to
control channel spacing. Each press of the STEP key will select the
next channel of the scan.
d.
TRIGLINK ⎯ With this selection, triggers received over the Trigger Link
will control channel spacing. Each trigger will select the next channel in
the scan.
e.
IMMEDIATE ⎯ With this selection, events are not used to control chan-
nel spacing. Only the time delay for relay settling and an optional
DELAY programmed by the user affect channel spacing in the scan.
From the CHANNEL CONTROL menu, select NUMBER OF CHANS.
From the NUMBER OF CHANNELS menu, select one of following items to
specify the number of channels to scan:
a.
USE SCANLIST LENGTH ⎯ With this selection, a single scan of all
the channels in the scan list will occur for every programmed scan
(scan count).
b.
CHAN COUNT ⎯ With this selection, you have the following two
options for CHANNEL COUNT:
•
INFINITE ⎯ With this count selection, the channel scan will repeat
indefinitely.
•
ENTER CHAN COUNT ⎯ Use this selection to define the number
of channels (1 to 9999) to scan. The channel scan wraps around
and continues to satisfy a channel count that exceeds the scan list
length.
From the CONFIGURE SCAN menu, select SCAN CONTROL.
From the SCAN CONTROL menu, select SCAN SPACING.
From the SELECT SCAN SPACING menu, select one of the following to
control scan spacing:
a.
TIMER ⎯ Use to set a time interval (1 millisecond to 99999.999 sec-
onds) between scans.
Return to
Section 4 topics
Model 7002-HD User's Manual
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