7-1
C H A P T E R 7
Computer Interface
and Commands
This chapter provides computer interface and communications information
for the Model 3772/3771 Condensation Particle Counter (CPC).
Information on the Flash Memory Card for the 3772 is also provided.
Compu t e r Inter f a ce
This section includes descriptions on USB, Ethernet connections, RS-232,
and the Flash Memory Card (3772 only).
USB
USB communications are provided with the 3772/3771 CPC, for use with
the supplied Aerosol Instrument Manager
®
software. Simply connect the
supplied USB cable to the instrument and computer having Windows
®
-
based operating system and the Aerosol Instrument Manager
®
software.
Refer to the Aerosol Instrument Manager manual for specific system
requirements, including operating system version.
Ethernet
The Ethernet port on the CPC can provide system status information over
the internet and is updated every five seconds. Your web browser must
support java plug-ins.
Network Setup
1. Connect the CPC to the network using an Ethernet cable and turn the
instrument on.
2. On the computer that is connected to the same network using another
Ethernet cable, run the device discovery program Discovery.exe
found on the supplied Aerosol Instrument Manager
®
Software CD or in
the folder where the Aerosol Instrument Manager software is installed.
This Discovery.exe program will find CPC devices on the network.
Note: This program will only find CPCs that are on the same subnet.
Example: If the computer is at IP address 10.1.3.1, the device
discovery program will find all CPCs on 10.1.3.x. Also, if the
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