DOC 6501_Release V
ATS-6501 Users Guide
116
[type] nasa36
[4]
[format] B
[signal_word] 120
[type] irig
To check the status of the output card use the
status hardware:outputs:slots:N
command (where
N=Card Slot # of the 4387A) to verify the card status.
ATS-6501> status hardware:outputs:slots:5
[ports]
[1]
[status] good
[2]
[status] good
[3]
[status] good
[4]
[status] good
[power] enabled
[type] 4387A
6.2.12 TIC Measurements
The ATS-6501 is capable of providing up to 4 TIC measurements on a single 4393A Card. The
measurement average (Port 2100) is 10 seconds by default. The raw measurements are output on
each active channel (Port 2101).
•
Raw Measurements (Port 2101):
o
All of the active channels should have a measurement once per second. If not the 1
PPS input from the device under test is missing.
o
Inactive inputs ports (channels) will not report measurements.
•
Average Measurements (Port 2100):
o
The number of samples (nn event average) should match the
settings ptd_port
value.
If not:
•
The cable from the device under test was disconnected/reconnected during the
measurement process.
•
ATS-6501 outputs were enabled during the measurement period.
•
1PPS from the source was interrupted during the measurement process.
•
The 1PPS signal is missing
•
Make sure the interval is set properly, the unit will not report the measurement
results and the average for that period until the period expires (i.e. 300 seconds =
5 minutes).
6.2.13 4391 Code Generator
Ensure the system is properly set up for the card by ensuring:
•
The proper bit code files are loaded on the system.
Use bitcode_list
to confirm filenames
and to ensure the proper file size.
•
Make sure the bitcode_clocks are set to the proper rate and delay values. Also make sure
the clock(s) are enabled.