Filter
Top Products
HPM-2002-OBEVacuum Gauge Page 20 of 39
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
3.3.7. Device Status
When requested to transmit its status the HPM-2002-OBE responds with a five digit number which is
explained in the following:
digit#:
Serial Receiver Overflow
Main Board EEPROM Error
Probe EEPROM (any) Error
Probe EEPROM Not Responding
Probe EEPROM Read Error
Probe EEPROM Checksum Error
Probe EEPROM Verification Error
Probe EEPROM Identification Error
Communications Syntax Error
Piezo Sensor Bad (voltage out of range)
Pirani Sensor Bad (voltage out of range)
High Setpoint Alarm (pressure exceeds setpoint)
Low Setpoint Alarm (pressure less than setpoint)
Gas# Changed (not the same as when unit last calibrated)
5
=4
=2
=1
1234
=8
=1
=4
=2
=1
=4
=2
=1
=4
=2
=1
3.3.8. Default RS232/485 Specifications
Baud Rate ..................................................................................................................................... 9600
Character Length .......................................................................................................... Eight data bits
Parity ........................................................................................................................................... None
Stop Bits ............................................................................................................................................. 1
RS 485 Universal Address ................................................................................................................ 00