Chapter Seven: IEEE-488 Communications Option
MKS Device Dependent Messages
117
Channel-Specific Messages (Continued)
Function
Message
Zero Enable
Command
Shortcut command
Query
Shortcut query
:sense:scan(@chan #):zero state
:sens:scan(@chan #):zero state
:sense:scan(@chan #):zero?
:sens:scan(@chan #):zero?
where chan # equals:
1 for Channel 1
2 for Channel 2
3 for Channel 3
where state equals:
ON (enabled)
OFF (disabled)
Set Pressure Unit
Command
Shortcut command
Query
Shortcut query
:sense:scan(@chan #):puni pressure unit
:sens:scan(@chan #):puni pressure unit
:sense:scan(@chan #):puni?
:sens:scan(@chan #):puni?
where chan # equals:
1 for Channel 1
2 for Channel 2
3 for Channel 3
where pressure unit equals:
TORR (for Torr)
MMHG (for mmHg)
MBAR (for mbar)
PA (for Pa)
KPA (for kPa)
PSI (for psi)
INHG (for inHg)
INH2 (for inH
2
O)
CMH2 (for cmH
2
O)
PREC (for percent F.S.)
PPMF (for ppm)
MTOR (for mTorr)
The response is in uppercase and contains the first four
characters only. For example, inH
2
O is reported as INH2.
Table 33: IEEE-488 Channel-Specific Messages
(Continued on next page)
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