Campbell CDM-VW300 Series Manuel télécharger pdf (Page 48)

CDM-VW300 Series Dynamic Vibrating-Wire Analyzers

7.7.1 CDM-VW300 to PC Connection

A PC to CDM-VW300 USB connection is used in a laboratory-mode

installation and in the initial setup and troubleshooting of field-mode

installations.

Connect a male-USB to type-micro-B male-USB cable between the PC and the

CDM-VW300 analyzer; pn 27555, provided in the CDM network kit (pn

29370), which is shipped with each analyzer, can be used. The type-micro-B

male-USB connector connects to the CDM-VW300. The USB port is located

on the analyzer as shown in FIGURE 7-4, USB port on the CDM-VW300.

FIGURE 7-4. USB port on the CDM-VW300

When the connection is made, DVWTool or DevConfig can be used to

communicate with and configure the analyzer. DVWTool is the preferred

software tool.

7.7.2 CDM-VW300 to Sensor Connection

Typical single-coil vibrating-wire sensors come with either three- or five-wire

connection leads. Refer to the specifications of a particular sensor to

understand the function of each lead.

Coil

Shield / Sensor Ground

Vibrating-Wire Sensor

FIGURE 7-5. Three-wire vibrating-wire sensor leads

As illustrated in FIGURE 7-5 and FIGURE 7-6, in the three-wire

configuration, two wires are provided as connections to the coil circuit of the

sensor. The third wire is a shield wire to be connected to ground. Most

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Campbell CDM-VW300 Series Manuel Page 48