For a VENT CLOSE DELAY (Delay #4) of 12.5 seconds, the following
string must be sent:
‘D40125Z’
For a MINIMUM GROSS LEAK TEST TIME (Delay #5) of 7.0 seconds, the
following string must be sent:
‘D50070Z’
For a MINIMUM ROUGHING TIME (Delay #6) of 20.0 seconds, the
following string must be sent:
‘D60200Z’
For a REVERSE ROUGH CLOSE DELAY (Delay #7) of 0.1 seconds, the
following string must be sent:
‘D20001Z’
If an attempt is made to change a delay to an invalid value, the MS-40 will clip
the value to either its upper or lower limits and will send back an error
indication in its stream of data (‘A1’). Its new value will show up in the
appropriate portion of the data stream.
To set one of the crossovers, either #1 or #2, the PC must send a command that
starts with an ‘F’, followed by 5 numbers, and ends with a ‘Z’. The first
number is the crossover number. ‘1’ for crossover #1 and ‘2’ for crossover #2.
The next 4 numbers make up the desired crossover pressure in millitorr.
For a REVERSE CROSSOVER (#1) of 350 millitorr, the following string
must be sent:
‘F10350Z’
For a DIRECT CROSSOVER (#2) of 25 millitorr, the following string must
be sent:
‘F20025Z’
If an attempt is made to change a crossover to an invalid value, the MS-40 will
clip the value to either its upper or lower limits and will send back an error
indication in its stream of data (‘A1’). Its new value will show up in the
appropriate portion of the data stream.
For use in an MS-40 ILD, the remote PC can enable of disable the ‘START’
button on the MS-40’s user panel. This happens during normal use of the MS-
40 ILD and is done by sending a command that starts with the letter ‘M’, is
followed by a ‘0’ and is terminated with the letter ‘Z’. This command would
disable the ‘START’ button and place the MS-40 ILD into ‘Automatic Start
Mode’. If the remote PC would like to enable the ‘START’ button and place
Vacuum Instrument Corp.
2099 Ninth Avenue
Ronkonkoma, NY 11779
631.737.0900
Vacuum Instrument Corp.
2099 Ninth Avenue
Ronkonkoma, NY 11779
631.737.0900
1109-186-00 Rev. C d-xviii
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