Filter
Top Products
149-072011 Model 2002 Vacuum Gauge Page 27 of 38
Reset / Restore Commands
Command Description Format Notes:
Escape <Esc>.......................................................................Reset Command Buffer
.......................................................................................(Ignore prior Input)
Software Reset /R<CR> ........................................................................ Reinitialize Software
Restore Factory Defaults /#<CR> ................................... Restore Calibration Register Default Values
Set Zero /0 <CR>.............................................. Store Present Pressure as Instrument
.......................................... ZERO (if Piezo <32 Torr & Pirani <50 mTorr)
Force Zero /!<CR>........................................ Override Limit Checks And Store Present
.......................................................................Pressure as Instrument ZERO
Device Status
When requested to transmit its status the Model 2002 responds with a five digit number which is explained
in the following:
12345
= 4
= 2
= 1
= 8
= 1
= 4
= 2
= 1
= 4
= 2
= 1
= 4
= 2
= 1
Digit #
Serial Receiver Overfl ow
Main Board EEPROM Error
Probe EEPROM Not Responding
Probe EEPROM Read Error
Probe EEPROM (any) Error
Probe EEPROM Checksum Error
Probe EEPROM Verification Error
Probe EEPROM Identification Er ror
Communications Syntax Error
Low Setpoi nt Ala rm (p res sure l ess than setpoint)
Gas# Changed (not the same as when unit last calibrated)
Piez o Sensor Bad (voltage out of range)
Pirani Sensor Bad (voltage out of range)
High Setpoi nt Alarm (pressure exceeds setpoint)