C H A P T E R 8

Computer Interface,

Commands, and Data

Collection

This chapter provides information about the computer interface, communications information, and data collection for the Ultrafine Particle Monitor - Model 651. Information about using a Flash Drive is also provided.

C o m p u t e r I n t e r f a c e

The Model 651 provides four interfaces to allow for flexible data collection and instrument control. This section of the manual includes information about the following data interfaces:

Ethernet

Flash Drive

USB

RS-232 (Serial)

Although four interfaces are provided, you can only use one at a time. The Serial and USB data interfaces share a common communications channel to the Model 651 microcontroller. Data input to the Model 651 from the Serial interface is exclusive from input via the USB interface. Communications can be received from the Serial interface until a connection is linked to the USB port. When the link is established, communications can be received via the USB port but not from the Serial port. When the USB link is terminated, the Serial port can be used.

Ethernet

The Ethernet port on the Model 651 can provide system status information or instrument control over a network. In the instructions below, the client is used. Please note that Telnet feature is not included with Windows Vista® or Windows 7 operating system and must it must be enabled to be used.

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Teledyne 651 operation manual Computer Interface Commands, and Data Collection, M p u t e r I n t e r f a c e, Ethernet