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HGM300 PC Software
Insert software disk into PC.
Turn on the HGM300 and allow it to warm up. Start the PC and insert the disk. Connect
the RS-232 interface cable to the PC and RS-232 port on the HGM300. Open the
software by using Explorer and double clicking on the program.
Note: The PC software uses COM1 by default. Therefore, the interface cable should be
connected to the port configured as COM1 on the PC. Also, no other software
drivers or devices in the PC may control COM1 when the HGM300 software is in
use. The connection is made through a standard “straight through” serial port
connection. A three-wire connection is used (RXD, TXD, and GND). No
hardware flow control is used. The HGM300 software automatically configures
COM1 to match the HGM300 RS-232 communications parameters.
Upon start up, the program will immediately attempt to download data from the
HGM300. Several beeps can be heard as the program communicates with the HGM300.
Note: To move through the screen use the ARROW keys to move up, down, left and
Use the ENTER key to select options and the ESCAPE key to back out of a selection.
Using the arrow keys go to EDIT – press Enter key – the EDIT Menu DROPS DOWN –
select SYSTEM – press ENTER key. The HGM “LOCATION” becomes highlighted.
Press ENTER key to move to the HGM TAG area, use the BACKSPACE key to remove
the existing tag, then enter in a new tag. Press ENTER and you are returned to
“LOCATION.” Use the ARROW key to select the next item to be addressed. You
CANNOT change the “SN” or “FIRMWARE” items. Press the ESCAPE key to return to
the menu bar.
Go to EDIT – press ENTER, select “ZONES” and press ENTER key. You may now
select a specific zone to identify and set parameters. When "REFRIGERANT” is
selected use the ARROW keys to move up and down through the gas library to locate the
gas type for that zone – HIGHLIGHT the gas type and press ENTER.
To set the ALARMS – select EVAC LEVEL first, press ENTER use the BACKSPACE
key to clear previous setting and type in the new PPM level. Use the same method to set
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To close or bypass a zone, set the DISTANCE to 0 feet.
Note: It is very important that any time you modify a parameter (zone, system or
calibration) and send it to the HGM300, please wait for the PC Software to
indicate that the download is complete before continuing with any edits.
Creating a monitor program
Open the software, go to “EDIT”, select “SYSTEM” and press ENTER. You now have
access to the HGM300 system programming parameters. You may edit the following
items; Location, Node address, Number of zones, Rezero mode, Zone hold time, etc.
After making the appropriate changes, use the ESCAPE KEY to go back to the top of the
screen. The software will prompt if you want to download to the HGM. If you are
connected to the HGM and wish to download, select “YES”. If you want to save the
program and continue with the zone programming, select “NO”. Go to “FILE”, select
“PATH”, then press enter. Change the “CURRENT PATH” to the desired drive and
location, select “SAVE SETUP” and type in the title, such as HGM#1 then press
To program the zones
Go to “EDIT”, select “ZONES” and press ENTER. You may now select a zone, press
ENTER and a drop down menu will open allowing you to program all data for that zone.
When that zone is complete, press the ESCAPE key, select the next zone and repeat until
all zones are programmed. When all zones are completed, press the ESCAPE key again,
the software will ask if you want to download to the HGM, if yes, then select “YES. If
you want to save the program, select “NO”. To save the program, press “NO”, go to
“FILE”, “SAVE SETUP” and type the file name and press ENTER.
To open a saved program
Open software, go to “FILE”, “PATH”, clear the old path and type in the proper drive
path for the saved program (A: or C: etc.). Press enter, select the proper program, press
enter again, the saved program will be pulled into the software.
To send a saved program to an HGM300
Open the HGM300 PC software, open the proper saved program, connect the PC to the
HGM300 then go to “HGM”, “SEND SETUP” and press “ENTER”. The saved program
will be sent to the HGM300.
Trend Data
Creating a trend data file must be done while connected to the HGM300.
Go to “FILE” select “PATH”, clear the old path and type in the proper drive path to save
the file to. Press escape, go to “HGM” select “GET TREND DATA” , select the zone
that you want to trend, press enter. The trend data will appear in a list format. Press enter
again, a file name screen will appear, type in the file name for that zone (trend1 etc.).
Press enter and the file is saved as a text file. The text file can be converted to a Microsoft
excel file or printed as is.
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NOTE - The “TREND” file must be saved ZONE by ZONE, with a filename per
zone. The file will be saved in a notepad format, which can be converted to a
delimited excel file.
To convert the TREND text file to an Microsoft Excel file
Open Microsoft Excel, open the desired file using “All files (*.*), select “Delimited”
format, then ”SPACE” as the delimiter. Select GENERAL as the column data format.
The text file now appears as an Excel file. To save the file, go to FILE, SAVE AS, select
the proper drive, then change the file name extension to”.xls” and save it. Comments or
notes may be added to this file as needed and saved.
To save and print the HGM300 software screen, Alarm Log, Fault Log or
Diagnostic Screen
Open the software while connected to the HGM300. After the software gets the program,
open the desired screen, with that screen as the active screen, press the ALT and PRINT
SCREEN keys on the PC keyboard. Open Microsoft Word; go to FILE, NEW, go
to EDIT, then PASTE. The active screen is then brought into WORD. To save the file,
select SAVE AS select the proper drive and file name then press SAVE.
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Rev. 1/18/2002
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