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HPM-2002-OBEVacuum Gauge Page 32 of 39
5. Troubleshooting
5.1. Advanced Setup Guide
The HPM-2002-OBE has several setup and control commands which can be accessed by using the
ADJUST rotary encoder and SELECT pushbutton and at the same time viewing the display. Note that most of
the commands, which are described below, can be accessed using equivalent RS232/485 commands.
The advanced setup is accessed from the Run mode. With the Run light illuminated (and not flashing),
each click of the ADJUST rotary encoder in the clockwise direction will advance the display through each
command. Once arriving at the desired command, the user can change the parameter (or initiate command) by
pressing the SELECT pushbutton. When finished with the advanced setup, the user may return to the normal
Run mode by turning the ADJUST counter-clockwise until the pressure is once again displayed. The
parameters are not stored upon leaving the command and entering the normal Run mode via ADJUST. To
make the changes permanent, the SAVE EEPROM command is used. Note that turning the ADJUST clockwise
indefinitely will simply cycle through the commands.
Normal Run
RS485 Address
Baud Rate
Data Bits/Parity Bits/Stop Bits
Turnaround Delay
Decimation Ratio
Save EEPROM
Restore EEPROM
Restore Calibration
Restore Factory Defaults
Software Reset
Normal Run
etc…
CLOCKWISE
COUNTER-CLOCKWISE
The following list gives a description of each of the commands listed above along with the syntax for the
equivalent RS232/485 command. See RS232/485 section for more details.
RS485 Address
A_01
Multipoint A_01, A_02, … A_FE, A_FF
The RS485 address is the multipoint address of the HPM-2002-OBE. If the unit is configured for RS232,
then this parameter must set to a value of E0 or greater.
(Valid multipoint range 01 to DF)
*{aa}A={aa}<CR>