Vacuum Instrument Corp.
2099 Ninth Avenue
Ronkonkoma, NY 11779
631.737.0900
17 — Filament Button
18 — Helium/Air Units Button
19 — Helium Mass 3/4 Button
20 — Cal-Check Button
21 — Calibrate (CAL) Button
22 — Tune Button
23 — Auto/Manual Ranging Button
24 — Range Up Button
25 — Range Down Button
26 — Volume Up Button
27 — Volume Down Button
28 — Zero Button
To send a command to Auto-Zero the testport helium background, the remote
PC or controller must send the following command string:
‘K28Z’
To send a command to start a leak test cycle, the following string must be sent
to the MS-40:
‘K00Z’
To set one of the 6 system delays, the PC must send a command that starts
with a ‘D’, followed by 5 numbers, and ends with a ‘Z’. The first number is
the delay number [1, 2, 3, 4, 5, 6, 7] and the last 4 numbers make up the
desired delay in tenths of a second.
Software revisions prior to Rev. 3.5 only had 4 delays.
Software
revisions 3.6 and 3.7 had 5 delays. All revisions prior to
Rev.3.8 only used 3 numbers for the delay time, giving a
maximum delay time of 99.9 seconds. Now the maximum delay
time can be set to 999.9 seconds.
For a FINE CROSSOVER DELAY (Delay #1) of 2.0 seconds, the
following string must be sent:
‘D10020Z’
For a DIRECT ROUGH CLOSE DELAY (Delay #2) of 0.1 seconds, the
following string must be sent:
‘D20001Z’
For a VENT OPEN DELAY (Delay #3) of 5.0 seconds, the following
string must be sent:
‘D30050Z’
1109-186-00 Rev. C d-xvii
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