INFICON VGC401 Single-Channel Controller User Manual
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tinb01e1-f (2011-07) VGC401.om
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"Transmit (T)" and "Receive (R)" are related to the host.
T:
TID
<CR> [<LF>]
R: <ACK> <CR> <LF>
T: <ENQ>
R: PSG <CR> <LF>
Request for gauge identification
Positive acknowledgement
Request for data transmission
Gauge identification
T:
SP1
<CR> [<LF>]
R: <ACK> <CR> <LF>
T: <ENQ>
R: 1.0000E-09,9.0000E-07 <CR> <LF>
Request for parameters of
switching function (setpoint)
Positive acknowledgement
Request for data transmission
Thresholds
T:
SP1
,6.80E-3,9.80E-3 <CR> [<LF>]
R: <ACK> <CR> <LF>
Modification of threshold values of
switching function (setpoint)
Positive acknowledgement
T:
FOL
,2 <CR> [<LF>]
R: <NAK> <CR> <LF>
T: <ENQ>
R: 0001 <CR> <LF>
T:
FIL
,2 <CR> [<LF>]
R: <ACK> <CR> <LF>
T: <ENQ>
R: 2 <CR> <LF>
Modification of filter time constant
(syntax error)
Negative acknowledgement
Request for data transmission
ERROR word
Modification of filter time constant
Positive acknowledgement
Request for data transmission
Filter time constant
T:
PR1
<CR> [<LF>]
R: <ACK> <CR> <LF>
T: <ENQ>
R: 0,8.3400E-03 <CR> <LF>
T: <ENQ>
R: 1,8.0000E-04 <CR> <LF>
Request for measurement data
Positive acknowledgement
Request for data transmission
Status and pressure
Request for data transmission
Status and pressure
5.2.4 Example