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VIS-102B (March 15, 2006)

Communications & Power Industries, Inc., Beverly Microwave Division, 150 Sohier Rd., Beverly, MA 01915-5595, Tel 978-922-6000

TECHNICAL CHARACTERISTICS (Continued)

INPUT POWER

Voltage:

480 volts line-line, 4-wire (wire per phase plus ground), 60 Hz

Line Current:

Approximately 165 Amp per phase at 60 KW microwave output power

COOLING

Clean water from an external source capable of 50 GPM at 60 PSIG, 10 to 40 degrees Centigrade.

SIZE AND WEIGHT

Weight:

Approximately2,500 pounds

Approximate Dimensions:

(maximum in inches)

85 wide X 80 high X 40 deep

Other Features:

The unit has casters for ease of positioning at installation. The unit also has lifting eyes on the top

surface for pick-up via an overhead crane.is easily moved by fork lift or single pallet jack.

Characteristics, dimensions and operating values are based upon design calculations and performance tests. The information in this technical data sheet may change

without notice as the result of additional data or product refinement. Beverly division of CPI should be consulted before using this information for final equipment

design.

INSTRUMENTATION AND CONTROL

All operating, control, and data-collection functions are

performed by the embedded controller. Critical interlocks, such

as those required for system or personnel safety are hard-wired.

The control-center is a digital logic system that monitors and

controls the performance of the microwave power system. All

system parameters, such as beam current, beam voltage and

magnet current are displayed through a web-browser on the

monitor of a remote computer via an Ethernet connection. The

embedded controller takes the required actions to match the

microwave output power to the user’s setpoint command (input

via the browser) for power. In addition, other user controls of

the system are provided. Complete access to the status of each

analog and digital input and output is also remotely available to

the user.

The embedded controller uses flash-memory to log the status of

each of its inputs and outputs in a rolling file system that makes

the last several days of operating available to the user. This data

is stored in a format that will load directly into many

spreadsheet programs for ease of data manipulation. These files

may be e-mailed to CPI for assistance in troubleshooting and

trend analysis should that be desired.

CABINETRY

The system consists of 2 enclosures. The beam (high voltage)

power supply may be remotely mounted from the main

enclosure that houses the rest of the system. The main enclosure

is a 2-bay stainless steel cabinet as shown on the first page.

The larger left bay houses the embedded controller, distribution

transformer, and several power supplies. The right bay houses

the klystron, klystron driver, water cooling manifolds, other

components, and output waveguide. Internal air circulating fans

move air through air-water heat exchangers located in the

partition between the 2 bays.

WAVEGUIDE SYSTEM

The components in the output waveguide system include a dual-

directional coupler and an optical arc detector. Should an arc occur

in the waveguide run, the arc detector circuitry will remove the RF

drive power to the klystron in less that 10 microseconds after the

arc is detected.

The dual-directional coupler provides a calibrated sample of both

the RF power generated by the system and the RF power reflected

back to the klystron. These samples are fed to the embedded

controller where this information is used in process control as well

as system protection.

System control will prevent damage to the klystron from the

excessive reflected power by reducing or removing the RF drive to

it. System control also shuts off the klystrom beam power supply

for a klystron arc-event.

The WR-430 waveguide is typically brought out through the top,

right of the cabinet, but custom configurations are available.

CPI will assist with or execute most all aspects of system design,

development and implementation, including such areas as process

development, applicators, heat exchangers, wavguide transmission

systems, and other factors required to assure a successful system.

For

assistance,

contact

CPI Industrial

Microwave Systems

Application Engineering with your system requirements.

Telephone (978)922-6000; Fax (978)922-8914;

e-mail: info@bmd.cpii.com.