Section II. DESCRIPTION AND DATA - TM-5-6350-262-14-10011

Section II. DESCRIPTION AND DATA

with multiple mounting surfaces that permit orientation

1-8. Purpose and Use.

of the coverage pattern centerline at 0 20 45 and

90 from the surface. Mounting hole locations are

The processor is used in conjunction with the

marked on each of the multiple mounting surfaces of the

transceiver (fig. 1-1) for detecting moving objects within

enclosure for securing purposes. The unit obtains its

a prescribed confined area. Detection is accomplished

power from the processor. Connection to this unit is

by processing the Doppler frequency shifts, between a

made by way of one screw type terminal strip enclosed

transmitted and received ultrasonic signal, caused by

within the steel case. Entrance to the unit during

moving objects within the detectable area.

One

installation, interconnection, and for maintenance

processor may be operated with one to twenty

purposes is provided by a cover secured to the box by

transceivers. A single transceiver will detect movement

four number 4 x inch long slotted screws. The unit is

within an area of 25 by 35 feet (ceiling heights of 8 to 12

protected with a tamper switch which is normally closed

feet). For larger areas, additional transceivers may be

when actuated by fitting the cover in place. During

used to insure positive detection coverage. Detection of

maintenance the tamper plunger may be pulled out to

movement within the coverable area completes an

actuate the switch and complete the circuit. Upon

alarm circuit for signaling purposes at the J-SIIDS

reinstallation of the cover the tamper switch is reset.

Control Unit.

1-10. Differences Between Models

1-9. Description of Equipment

This manual covers only one model.

There are no

a. Processor (fig. 1-1). This unit provides the

differences between models.

driving source for the transceiver and processes the

return signals. It is housed in a 16 gauge welded steel

enclosure measuring 10.2 inches wide, 9.7 inches high

1-11. Tabulated Data

and 2.1 inches deep. The enclosure is painted gray and

is marked on the top outer side for two inch conduit

Power required ..............

20 2 Vdc

entrances. Four mounting holes are provided in the rear

35 ma-processor

of the enclosure for securing purposes. The unit obtains

2.5 ma-each transceiver

its +20 20 Vdc power from the J-SIIDS control unit.

Connections to this unit are made by way of two screw

Alarm circuit ..................

no alarm-less than 2 Kohms

type terminal strips enclosed within the steel case.

resistance

Entrance to the unit during installation, interconnections,

alarm-greater than 100 Kohms

and for maintenance purposes is provided by a cover

resistance

secured to the box by two 6-32 x 3/8 inch screws. The

unit is protected with a tamper switch which is normally

Operating frequency ......

26.3 kHz 130 Hz

closed when actuated by fitting the cover in place.

During maintenance, the tamper switch plunger may be

Weight:

processor .......................

6.5 lbs.

pulled out to actuate the switch and complete the circuit.

transceiver......................

6.0 lbs.

Upon reinstallation of the cover, the tamper switch is

reset.

Size:

Width

Height

Depth

b. Transceiver (fig. 1-1). This unit contains the

processor .................

10.2"

9.7"

2.1"

transmitting transducer, and a preamplifier and

transceiver................

3.4"

17.9"

2.2"

receiving transducer. A RANGE control (R5) sets the

sensitivity level for a given installation and environment.

Environment:

Operating

Non-Operating

These components are housed in a 16 gauge welded

temperature range ....

20 to +150

30 to +165

steel enclosure measuring 3.4 inches wide, 17.9 inches

humidity ...................

95% relative

high and 2.2 inches deep. The enclosure is painted gray

shock .......................

20 g, 11

millisecond

and is marked on the top outer side for two inch

duration

conduit entrances. The enclosure is painted gray and is

marked on the top outer side for two inch conduit

entrances. The welded steel enclosure is constructed

1-3