Vanguard Instruments UPS 2 Series Handbuch

OPERATING PROCEDURES

for the

UPS-S2

Universal Power Supply Series 2

Vanguard Instruments Co., Inc.

1520 S. Hellman Ave.

Ontario, California 91761

TEL: 909-923-9390 August 2006

FAX: 909-923-9391 REV. 1

Operating Procedures UPS-S2

SAFETY SUMMARY

Follow Exact Operating Procedures

Any deviation from the procedures described in this operator’s manual may create one or more

safety hazards and damage the UPS-S2. Vanguard Instruments Co., Inc. assumes no liability for

unsafe or improper use of the UPS-S2.

The following safety precautions must be observed during all phases of test set-up, test hookups,

testing, and test-lead disconnection.

SAFETY WARNINGS AND CAUTIONS

This device shall be used only by trained operators.

Always ground the UPS-S2to a substation ground.

Precaution with High Test Voltage

The UPS-S2 can produce a voltage greater than 300Vac which can cause severe injury, death,

and/or equipment damage.

Do Not Modify Test Equipment

Because of the risk of introducing unknown hazards, do not install substitute parts or perform

any unauthorized modification to any Model UPS-S2 unit. To ensure that all designed safety

features are maintained, it is recommended that repairs be performed only by Vanguard

Instruments Co. factory personnel or by an authorized repair service. Unauthorized

modifications can cause serious safety hazards and will nullify the manufacturer's warranty.

Operating Procedures UPS-S2

TABLE OF CONTENTS

Safety Summary

1.0 INTRODUCTION ................................................................................................................... 2

1.1.General Description .............................................................................................................. 2

1.4 Furnished Test Accessories .................................................................................................. 2

2.0 UPS-S2Specifications.......................................................................................................... 3

3.0 CONTROLS AND INDICATORS.......................................................................................... 4

3.1 UPS-S2 Controls & Indicators.............................................................................................. 4

4.0 PRETEST SETUP ................................................................................................................... 6

4.1 Operating Voltages ............................................................................................................... 6

4.2 UPS-S2 output voltage.......................................................................................................... 6

5.0 UPS-S2 CABLE CONNECTIONS ......................................................................................... 7

6.0 UPS-S2 Operational procedures .............................................................................................. 7

6.1 UPS-S2 DC Supply Setting .................................................................................................. 7

6.2 UPS-S2 AC Supply Setting .................................................................................................. 8

Appendix A EZCT™Troubleshooting Guide

LIST OF TABLES

Table 1 UPS-S2Specifications................................................................................................... 3

Table 3 UPS-S2 Output Voltage with 120Vac input..................................................................... 6

Table 4 UPS-S2 Output Voltage with 240Vac input..................................................................... 6

LIST OF FIGURES

Figure 1 UPS-S2™Control Panel (Controls and Indicators) ........................................................ 4

Figure 3 Variac Terminals ............................................................................................................. 6

Figure 3 Typical UPS-S2 Cable Connection ................................................................................. 7

Operating Procedures UPS-S2

1.0 INTRODUCTION

1.1.General Description

The Vanguard Universal Power Supply Series 2 (UPS-S2) is designed and produced to meet a

utility company’s substation need for an independent AC/DC power source. Both the AC and

DC voltage sources are capable of supplying 10 amperes continuously.

The variable output DC power supply (1-300Vdc) is ideal for use as a substitute primary power

source when station batteries are not available. It is ideal for operating Circuit Breakers,

powering substation relays, or for unregulated charging of substation batteries.

The AC power supply is a variable (1-240Vac) isolated power source that can be used to power

other equipment in the substation.

Main features of the Universal Power Supply are:

1. All output power sources are isolated from the primary power input by an isolation

transformer.

2. Voltage outputs are continuously variable (auto-transformer) with a Front Panel

control knob.

3. The Universal Power Supply’s primary power input is user selectable to be either

120Vac or 240Vac.

4. All voltage outputs are capable of supplying a continuous 10 ampere load

5. The power output routing path is clearly outlined on the Control Panel, which allows

users to intuitively make the appropriate control function selections for the desired

operating configuration.

The UPS-S2 is contained in a heavy duty, impact resistance plastic case. Each Universal Power

Supply is warranted by Vanguard Instruments Incorporated for one year and covers parts and

labor for failures resulting under normal use.

1.4 Furnished Test Accessories

The UPS-S2 is supplied with a power cord, one ground cable, two 10-foot test lead sets with

alligator clips.

Operating Procedures UPS-S2

2.0 UPS-S2SPECIFICATIONS

Table 1 UPS-S2Specifications

MODEL ...................................................UPS-S2

TYPE .......................................................Special-purpose test equipment, Universal AC/DC power supply

POWER...................................................85 to 132Vac or 200-240Vac (factory preset), 50/60 Hz

SIZE (inches) ..........................................21”W by 17”H by 9”D (53cm x 43cm x 24cm)

WEIGHT..................................................52lbs

AC OUTPUT VOLTAGE.........................0 to 240Vac @ 10A max.

DC OUTPUT VOLTAGE.........................0 to 300Vdc @ 10A max

ENVIRONMENT......................................Operating: 0°C to 55°C; Storage: -40°C to 65°C

FURNISHED ...........................................One power cord, two 10-ft test lead sets, One ground cable,

WARRANTY ...........................................One-year warranty on parts and labor; post warranty service

contracts available

NOTE:

▪THE ABOVE SPECIFICATIONS ARE VALID AT NOMINAL OPERATING VOLTAGE AND AT A TEMPERATURE OF 25

C (77

▪UPS-S2

™

SPECIFICATIONS MAY BE UPGRADED AND CHANGED WITHOUT PRIOR NOTICE.

Operating Procedures UPS-S2

3.0 CONTROLS AND INDICATORS

3.1 UPS-S2 Controls & Indicators

The UPS-S2 controls and indicators are shown in a panel illustration (see Figure 1). Pointing

leader lines reference each item in the figure with an index number. Each index number is cross-

referenced to a functional description in Table 2.0, which describes the purpose of each item on

the control panel. Although the purpose of these controls and the display may seem obvious,

users should become familiar with them before attempting to use the UPS-S2. Accidental misuse

of the controls will usually cause no serious equipment damage. First-time users should review

and become familiar with the Safety Summary located in the front section of this manual.

Figure 1 UPS-S2™Control Panel (Controls and Indicators)

Operating Procedures UPS-S2

Table 2 EZCT™Controls and Indicators

Fig. 1

Index

PANEL MARKING

FUNCTIONAL DESCRIPTION

(No Marking)

Input power connector with third wire safety

ground.

(no marking)

Power Switch

FUSE 10A

Main input power protection fuse.

250 Vac/10 Ampere slow-blow.

VOLTAGE

CONTROL

Test voltage control knob

HIGH RANGE

LOW RANGE

Output voltage range selection.

GROUND

Ground Stud

7 & 8

AC OUTPUT

AC output connectors (2).

DC VOLTAGE

AC VOLTAGE

AC or DC voltage selector switch

10 & 11

POS

DC output connectors (2).

FUSE 10A

Output voltage protection fuse.

250 Vac/10 Ampere slow-blow

POWER

Power on indicator

Operating Procedures UPS-S2

4.0 PRETEST SETUP

4.1 Operating Voltages

The UPS-S2™operating voltages are pre-set for 90-130Vac, 50/60Hz or 210-240Vac, 50/60Hz.

at the factory.

To set the UPS-S2 for 120Vac operation, the High Range jumper is connected to terminal 7 of

the variac.

To set the UPS-S2 for 240Vac operation, the high Range jumper is connected to terminal 6 of

the variac.

Figure 3 Variac Terminals

4.2 UPS-S2 output voltage

The UPS-S2 output voltage is shown in table below:

Table 3 UPS-S2 Output Voltage with 120Vac input

RANGE SETTING

HIGH RANGE

LOW RANGE

AC VOLTAGE OUTPUT

0-270Vac

0-120Vac

DC VOLTAGE OUTPUT

0-360Vdc

0-150Vdc

Table 4 UPS-S2 Output Voltage with 240Vac input

RANGE SETTING

HIGH RANGE

LOW RANGE

AC VOLTAGE OUTPUT

0-320Vac

0-230Vac

DC VOLTAGE OUTPUT

0-400Vdc

0-290Vdc

120Vac Setting

240Vac Setting

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