EG&G ORTEC 402A Kullanım ve Servis Kılavuzu - Sayfa 6

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REGULATIONS ±0.05% over the combined range of

zero to full load and Input voltage of 103-129 V ac over

any 24-hr period at a constant ambient temperature and

rated line and load after a 60-mln warmup.

STABILITY ±0.3% after a 24-hr warmup of constant

line, load, and ambient temperature over a six-month

period.

TEMPERATURE COEFFICIENT

Less than 0.01 %/°C

over a range of O^C to 60° C.

THERMAL PROTECTION

A thermal warning switch will

be activated when the ambient temperature approaches

within 20° C of the safe operating temperature. A thermal

cutout switch disables the Power Supply when the tem

perature exceeds the safe operating temperature.

NOISE AND RIPPLE The output noise and ripple are

less than 3 mV peak-to-peak, as observed on a 50-MHz

bandwidth oscilloscope.

VOLTAGE ADJUSTMENT ±0.5% minimum range, reset-

tablllty ±0.05% minimum of supply voltage: typical ±1 V

of specified voltage.

RECOVERY TIME

Less than 50 ns to return to within

±0.1% of rated voltage for any change In Input voltage

and load current from 10 to 100% full load.

CIRCUIT PROTECTION The Input line to the power

supply Is fused. In addition, electronic circuitry provides

output current limiting, to prevent damage to the supply,

and provides automatic recovery when the demand Is

removed.

OUTPUT IMPEDANCE

to 100 kHz.

Less than 0.30 at any frequency

OUTPUT CONNECTOR

All power and control circuits

terminate In a connector, specified by TID-20893 (Rev),

which mates with the Bin Interface connector, complet

ing the necessary control and Power Supply wiring.

DIMENSIONS 42.74 cm (16.825 In.) wide, 8.73 cm

(3.438 In.) high, 13.97 cm ( 5.500 In.) deep; conforms to

AEG Drawing ND515.

WEIGHT

Net 6 kg (13 lb); with 4001A(B), 12.5 kg (27 lb).

Shipping 9 kg (20 lb); with 4001A(B), 16 kg (35 lb).

3. INSTALLATION

The 402A Power Supply Is normally supplied factory-

connected to an EG&G ORTEG 4001 A(B) Modular Sys

tem Bin. However, the supply Is designed to TID-20893

(Rev) specifications and may be attached. In the space

provided, to any bin manufactured to TID-20893 (Rev)

specifications.

For attachment to other than an EG&G ORTEG 4001 A(B)

Bin, please refer to the appropriate Instruction manual.

The On-Off switch and other controls necessary to oper

ate the Supply are part of the Bin and not furnished with

the Power Supply.

For attachment to a 4001 A(B) Bin the following steps are

advised;

1. Place the Bin on a table with the back part facing you.

Place the Power Supply In the proper mounting position.

leaving enough space between the two pieces to attach

the Interface connector.

2. Mate the Interface connector, being careful to align

the polarizing pins. Fold and form all wiring close to the

connector edges to prevent any wires from being pinched

and producing a short circuit In succeeding steps.

3. Mount the Power Supply to the Bin by securely tight

ening the four 10-32 screws, being careful not to pinch

any wires or to use undue force on any parts.

When attaching the 402A Power Supply to some older 401

Bins, It Is necessary to first remove the left and right side

covers and stand the Bin on Its front face (handles down).

From this point on, assembly Is the same; upon comple

tion the side plates should be replaced.

OPERATING INSTRUCTIONS

The available current from the Power Supply Is specified

by TID-20893 (Rev), Appendix A, Type 1, Glass A, supply.

Under certain conditions these specifications may be

exceeded (see Fig. 2.1). Gare must be used to ensure

natural convection of heat dissipated by the heat sinks

and power transformer. For best results, when using at

maximum power loadings the Bin and Power Supply

should be In an open space, placed upon blocks at least 1

In. off the table mounting surface to allow maximum venti

lation. When used In a rack, maximum attention should be

paid to placement of other heat-generating equipment.

Adequate unobstructed space on all sides Is necessary

for convection ventilation and cooling. If the Bin contains

other heat-generating equipment, a blower may be advis

able to remove the dissipated heat.