Vitrek 930i Manuel d'installation et d'exploitation

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930i Ground Integrity Analyzer

Operating & Maintenance

Manual

9880A Via Pasar, San Diego CA 92126 USA

V: (858)689-2755 F: (858)689-2760

Web: www.vitrek.com E-mail: [email protected]

Table of Contents

Introduction1

Safety Precautions2

Certification & Warranty Statement3

1Getting Started

Unpacking4

Initial Adjustments4

Front Panel Layout5

Rear Panel Layout7

Instructions for Bench Use8

Instructions for Rack Mounting8

Earth Ground Connection9

2930i Test Connections

4-Wire Measurements10

2-Wire Measurements10

Test Connection Safety Precautions11

Connecting to Devices with Earth Grounds12

3930i Direct Mode Operation

Direct Mode Measurement13

4930i Automatic Mode Operation

Automatic Mode Measurement15

Adding Test Steps18

Storing Tests18

Recalling Test Programs19

Editing Existing Test Programs19

Aborting an Automatic Mode Test20

Table of Contents

5930i Advanced Features

Self-Test Function21

System Configuration21

Advanced User Note22

6930i Remote Operation

VICL Connection and Operation23

RS232C Connection and Command Protocol24

Command Set for RS232C25

7930i Options and Accessories

Descriptions of Optional Items31

8930i Maintenance

Routine Inspection and Maintenance32

Performing an Internal Calibration32

Performing an External Calibration32

930i Verification Procedure35

9930i Specifications

Resistance Measurement Specifications36

Current Output Specifications36

General37

930i Operating & Maintenance Manual

Introduction

The Vitrek 930i Ground Integrity Analyzer is a compact, easy-to-use high

current milli-ohmmeter. The 930i's standard capabilities include: selectable

AC output current from 3A to 30A, 4-wire Kelvin terminal configuration, 2-

wire lead compensation, and earth continuity measurement down to 10

micro-ohms of resolution. Frequently repeated tests may be stored in non-

volatile memory for easy recall. Remote control is available using the VICL

/IEEE-488.2 (GPIB) or RS232C communication ports.

Vitrek has taken advantage of advanced microprocessor and ASIC

technologies in order to reduce the size and complexity of the 930i while

increasing reliability and functionality when compared to traditional ground

bond testers. Operating the 930i is easier than ever before due to extensive

menu prompting on the unit's brilliant 40 character display. Built-in test

procedure storage and edit capability increases test throughput and reduces

test development time. Internal diagnostics ensure that the 930i is properly

functioning at all times while the automatic calibration capability maintains

the highest possible system accuracy.

The Vitrek 930i is capable of generating dangerous currents if used contrary

to its design. Please read this manual carefully before operating the

instrument. Should you then have any questions, contact your local Vitrek

Service Center or Vitrek Customer Satisfaction Department at

9880 A Via Pasar, San Diego, CA 92126

Phone: (858) 689-2755 Fax: (858) 689-2760

www.vitrek.com

930i Operating & Maintenance Manual

SAFETY PRECAUTIONS

The following general safety precautions must be observed during all phases

of operation, service and repair of this instrument. Failure to comply with

these precautions or with specific warnings elsewhere in this manual violates

safety standards of design, manufacture and intended use of the instrument.

Vitrek Corporation assumes no liability for the customer's failure to comply

with these requirements.

GROUND THE INSTRUMENT

To minimize shock hazard, the instrument must be connected to an electrical

ground. This should be accomplished through the earth ground pin of the

instrument's power connector and power cord.

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE

Operation of any electrical instrument in the presence of flammable gases,

fumes or particles constitutes a definite safety hazard.

DO NOT REMOVE COVERS

Operating personnel must not attempt component replacement or internal

adjustment. Dangerous voltages may exist internally even when the power is

switched off. Because of the dangers of introducing additional hazards, do

not install substitute parts or perform any unauthorized modifications to the

instrument. Refer the unit to qualified maintenance personnel or to your

nearest Vitrek Service Center.

DANGER! HIGH CURRENT!

Use extreme caution! High currents can weld conductive jewelry such as

rings and watches, causing severe burns. Never handle, insert or remove test

leads from the 930i or the load while high current is present. Use only test

lead materials that have an adequate current rating. Inspect test leads

regularly for signs of wear and abrasion.

READ AND UNDERSTAND THE MANUAL

Prior to operating this instrument, the user must be familiar with the

operating procedures, controls and precautions.

930i Operating & Maintenance Manual

Certification

Vitrek Corporation certifies that this instrument was thoroughly tested and

inspected and found to meet published specifications when shipped from the

factory. Vitrek Corporation further certifies that the calibration of this

instrument is traceable to the National Institute of Standards and Technology

to the extent allowed by NIST's calibration facility.

Limited Warranty

The warranty period for this instrument is stated on your invoice and packing

list. Please refer to these documents to determine appropriate warranty dates.

Vitrek warrants to the original purchaser that this product will be free from

defects in material and workmanship under normal use throughout the

warranty period, provided that such defects are not determined by Vitrek to

have been caused by abuse, misuse, alteration, improper installation, neglect

or environmental conditions. Vitrek Corporation's liability under this

warranty is limited solely to the repair or replacement of this instrument

during the warranty period, provided it is returned to the factory freight

prepaid with a return authorization number.

No other warranty is expressed or implied. Vitrek Corporation is not liable

for incidental, consequential, direct or indirect damages nor for costs, losses

or expenses of any kind. A return authorization number must be obtained

directly from the factory for warranty repairs. No liability will be accepted if

returned without factory authorization number.

1930i Getting Started

Unpacking

If the shipping carton is damaged, request that the carrier's agent be present

when the instrument is unpacked. If the instrument appears damaged, notify

the carrier's agent for repair authorization before returning the instrument to

Vitrek.

It is also necessary to notify Vitrek and receive a RETURN MATERIALS

AUTHORIZATION NUMBER before returning the instrument.

Even if the instrument appears undamaged, it may have suffered internal

damage in transit that may not be evident until operated or tested to verify

performance. If the instrument fails to operate, notify the carrier's agent and.

Vitrek or your local Vitrek Service Center. Retain the shipping carton for the

carrier's inspection.

Initial Adjustments

The only adjustments required prior to operation of the 930i are selection of

the local power source voltage and verification that the correct fuse for this

voltage is fitted. The supply voltages and fuses are listed below:

105 to 125 VAC 50/60Hz 5 Amp Slo Blo Fuse

210 to 250 VAC 50/60Hz 2.5 or 3 Amp Slo Blo Fuse

Unless specifically requested, all units shipped to North American locations

are factory set for 115 VAC. Check the rear panel slide switch to ensure that

the proper line voltage has been selected prior to applying power to the 930i.

1930i Getting Started

This section gives brief descriptions of front panel controls for the 930i. It

should not be used as a sole source of operating instructions. Also refer to

the chapters that follow for more complete operating instructions.

Front Panel Layout

The 930i front panel includes the following items:

1. Main Display

2. Power Switch

3. Function Keys

4. LED Indicators

Villa vitt,

5. Mode Keys

6. Numeric Entry Keys

7. Calibration Enable Switch

8. Front Measurement Terminals

DOD

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1.) Main Display: The 930i utilizes a 2 row by 20 Character LCD display.

The color of the display is easy on the eye, while the design provides

extremely low power consumption.

2.) Power Switch: The 9301 features an ergonomic rocker style power

switch. The switch has a built-in euro-green indicator when in the power-on

position.

3.) Function Keys: The keypad grouping immediately below the main

display contains 11 function keys. The functions are (from left to right, top

row first): High Current Enable, Direct Mode (manual), Automatic Mode,

Left Arrow, Right Arrow, Stop, Zero, Range, Up Arrow, Down Arrow and

Enter. The Stop key is highlighted in bright red for easy identification. This

key may be used at any time to disable the high current output and return the

instrument to a safe operating state.

4.) LED Indicators: The 930i is equipped with 10 front panel LED

status/warning indicators. They are defined as follows (from top to bottom):

•High Current Present

•High Current Enabled

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