Infratek 101A Manuale utente

USERS MANUAL MODEL 101A

USERS MANUAL MODEL 101AUSERS MANUAL MODEL 101A

USERS MANUAL MODEL 101A

General Purpose Power Analyzer

General Purpose Power AnalyzerGeneral Purpose Power Analyzer

General Purpose Power Analyzer

SINGLE- AND THREE PHASE

SINGLE- AND THREE PHASESINGLE- AND THREE PHASE

SINGLE- AND THREE PHASE

Infratek

CopyrightCopyright



2003 by Infratek AG

2003 by Infratek AG2003 by Infratek AG

2003 by Infratek AG

REV 1.0

REV 1.0REV 1.0

REV 1.0

Infratek AG

Infratek AGInfratek AG

Infratek AG

Weingartenstrasse 6

Weingartenstrasse 6Weingartenstrasse 6

Weingartenstrasse 6

CH-8707

CH-8707CH-8707

CH-8707 Uetikon am See

Uetikon am SeeUetikon am See

Uetikon am See

Phone: +41-1-920 50 05

Phone: +41-1-920 50 05Phone: +41-1-920 50 05

Phone: +41-1-920 50 05

Fax: +41-1-920 60 34

Fax: +41-1-920 60 34Fax: +41-1-920 60 34

Fax: +41-1-920 60 34

www.infratek-ag.com

www.infratek-ag.comwww.infratek-ag.com

www.infratek-ag.com

E-Mail: info@infratek-ag.com

E-Mail: info@infratek-ag.comE-Mail: info@infratek-ag.com

E-Mail: info@infratek-ag.com

TABLE OF CONTENTS

1.1.

1. SAFETY

SAFETYSAFETY

SAFETY

1.1 Warnings

2.2.

2. INTRODUCING THE POWER ANALYZER

INTRODUCING THE POWER ANALYZERINTRODUCING THE POWER ANALYZER

INTRODUCING THE POWER ANALYZER

2.1 Instrument Versions, Options, Accessories

2.2 Specifications

3.3.

3. MATHEMATICAL DEFINITIONS USED BY THE POWER ANALYZER

MATHEMATICAL DEFINITIONS USED BY THE POWER ANALYZERMATHEMATICAL DEFINITIONS USED BY THE POWER ANALYZER

MATHEMATICAL DEFINITIONS USED BY THE POWER ANALYZER

4.4.

4. GETTING STARTED

GETTING STARTEDGETTING STARTED

GETTING STARTED

4.1 Front Panel and Rear Panel

4.2 Line Voltage Selection

4.3 Turning the Power Analyzer on

4.4 Using the Function Keys

4.5 Taking Basic Measurements

5.5.

5. OPER

OPEROPER

OPERATING THE POWER ANALYZER FROM THE FRONT PANEL

ATING THE POWER ANALYZER FROM THE FRONT PANELATING THE POWER ANALYZER FROM THE FRONT PANEL

ATING THE POWER ANALYZER FROM THE FRONT PANEL

5.1 Operating Philosophy

5.2 Operations Controlled by the Side Menus

5.2.1 Range Selection, Auto Range Selection

5.2.2 Selecting Synchronization / 2W, 3W Configuration

5.2.3 Selecting Measurement Time and Special Functions

5.2.4 Selecting Various Display Modes

5.2.5 Selecting the Graphics in the VIEWSUM-Display-Mode

5.3 Operations Controlled by the Bottom Line Menus

5.3.1 Main Menus

5.3.2 Main Menu <HOLD>

5.3.3 Main Menu <AC+DC>

5.3.4 Main Menu <VIEW>

5.4 Operations Controlled by the Numeric Display Field

5.4.1 The Measurement Function Selection Table

5.4.2 Selecting RMS-Values

5.4.3 Selecting Min, MAX, Peak

5.4.4 Selecting Power Values

5.4.5 Selecting and Resetting Energy Values and Time

5.4.6 Selecting Power Factor (PF)

5.4.7 Selecting FFT Values, Harmonics 1-20

6.6.

6. OPERATING THE POWER ANALYZER USING THE COMPUTER

OPERATING THE POWER ANALYZER USING THE COMPUTEROPERATING THE POWER ANALYZER USING THE COMPUTER

OPERATING THE POWER ANALYZER USING THE COMPUTER

INTERFACE

INTERFACEINTERFACE

INTERFACE

6.1 Introduction

6.2 Local and Remote Operations

6.3 RS-232 Computer Interface

6.4 Interface Parameters

6.5 Cabling the Power Analyzer to a Host

6.6 How the Power Analyzer Processes Input

6.6.1 Input Terminator

6.6.2 Sending Commands to the Power Analyzer

6.6.3 How the Power Analyzer Processes Output

6.6.4 Optimizing Speed for Data Transfer

6.7 Operating Several Instruments on RS-232 from one Computer

6.7.1 Status Register Definition

6.8 Computer Interface Command Set

7.7.

7. THE POWER ANALYZER OPTIONS

THE POWER ANALYZER OPTIONSTHE POWER ANALYZER OPTIONS

THE POWER ANALYZER OPTIONS

7.1 Option 01: RS-232 Interface, and Operating Software

7.1.1 RS-232 Interface and Operating Software

8.8.

8. POWER ANALYZER CALIBRATION

POWER ANALYZER CALIBRATIONPOWER ANALYZER CALIBRATION

POWER ANALYZER CALIBRATION

8.1 Calibration Cycle

8.1.1 Equipment Needed

8.1.2 Preparing for Calibration

8.1.3 Voltage Calibration, Current Calibration, Clamp Calibration

9. LOAD CONNECTION BOX, SINGLE PHASE, THREE PHASE

LOAD CONNECTION BOX, SINGLE PHASE, THREE PHASELOAD CONNECTION BOX, SINGLE PHASE, THREE PHASE

LOAD CONNECTION BOX, SINGLE PHASE, THREE PHASE

1-1 1-2

1.1.

1. SAFETY

SAFETYSAFETY

SAFETY

Before using the Power Analyzer, read the following safety information carefully. In this

manual „WARNING“

„WARNING“„WARNING“

„WARNING“ is reserved for conditions that pose hazards to the user;

„CAUTION“

„CAUTION“„CAUTION“

„CAUTION“ is reserved for conditions that may damage your instrument.

Avoid working alone.

Follow all safety procedures for equipment being tested.

Inspect the test leads for damaged insulation.

Be sure the Power Analyzer is in good operating condition.

To avoid electrical shock, use caution when working above 30V dc or rms.

Disconnect the live test leads before disconnecting the common test leads.

When making a current- or power measurement, turn the circuit power off before

connecting the Power Analyzer in the circuit.

Switching on inductive loads means large inrush currents. Take precautions to

avoid overloading the current channels by shorting the start-up currents across

the current inputs.

Switching off inductive loads or switching on rotating loads means large voltages

or extremely fast changing voltages on the Power Analyzer input terminals. Such

conditions may damage the instrument and are potentially hazardous.

To comply with EN50081-1 the current- and voltage test leads must form 6

windings through ferrite torroid Siemens B64290-L40-X830 or equivalent. (This

measure will also enhance immunity with respect to fast common mode

transients), the RS-232 interface cable must be shielded and must form 1

winding through Fair-rite VO 0444176451.

1kV burst test: use shielded input- and output cables.

The Power Analyzer complies with the safety standards IEC 1010-1,

EN 61010-1.

1.1

1.11.1

1.1 WARNINGS

WARNINGSWARNINGS

WARNINGS

Before reading the manual or before using this instrument read carefully the

warnings below and make sure you understand them.

WARNING: Line Power

WARNING: Line PowerWARNING: Line Power

WARNING: Line Power

To avoid shock hazard, connect the instrument power cord to a power receptacle

with earth ground.

WARNING

WARNINGWARNING

WARNING

The maximum floating voltage above earth ground on the current input terminals

and the voltage Lo-input terminals is 600V. Exceeding these limits poses a

hazard to the meter and operator.

WARNING

WARNINGWARNING

WARNING

Qualified personnel must operate this instrument.

WARNING

WARNINGWARNING

WARNING

Refer all servicing of this instrument to qualified personnel. Before opening case

disconnect all leads connected to the instrument and finally disconnect the power

line cord.

WARNING

WARNINGWARNING

WARNING

The specifications given in this manual solely describe the technical properties of

the instrument. They do not imply any other properties unless it is explicitly said

so.

WARNING

WARNINGWARNING

WARNING

Use of this instrument in life support systems and in systems for people

transportation must be expressly authorized.

The manufacturer of this Power Analyzer must sign the authorization.

WARNING

WARNINGWARNING

WARNING

Do not operate the front panel keys with pointed objects. A damaged key may

pose shock hazard.

If you observe a damaged front panel key, please report this to your nearest

Infratek representative and return the instrument for repair.

2-1 2-2

2.2.

2. INTRODUCING THE POWER ANALYZER

INTRODUCING THE POWER ANALYZERINTRODUCING THE POWER ANALYZER

INTRODUCING THE POWER ANALYZER

WARNING

WARNINGWARNING

WARNING

Read the „Power Analyzer Safety“ in section 1 of this manual before using the

instrument.

This 1- and 3-phase Power Analyzer is designed for bench-top, field service, and

system application.

Some features provided by the Power Analyzer are:

Blue LCD monitor, 108 x 56mm (240x128 pixels).

Fully menu controlled operation with only 11 soft keys.

Meter mode and graphics mode.

Measures and computes all electrical quantities of current, voltage, power,

energy and harmonics of current, and voltage simultaneously.

AC-, and AC+DC-coupling for individual quantities.

Built-in integrator for energy measurement.

Harmonic Analysis of current and voltage.

Bar graph and wave form display.

Wide voltage- and current range (600mA - 50A).

2.1

2.12.1

2.1 INS

INSINS

INSTRUMENT VERSIONS, OPTIONS, ACCESSORIES

TRUMENT VERSIONS, OPTIONS, ACCESSORIESTRUMENT VERSIONS, OPTIONS, ACCESSORIES

TRUMENT VERSIONS, OPTIONS, ACCESSORIES

101A-1 Low Cost Single Phase Power / Energy Analyzer, 0.15 % accuracy,

peak hold function, tilt stand

101A-3 Low Cost Three Phase Power / Energy Analyzer, 0.15 % accuracy,

peak hold function, tilt stand

Option 01 RS-232 Interface. Windows Operating Software (95, 98, NT, 2000, ME,

XP)

Option 02 Rechargeable battery for 6 hours autonomous operation including built

in charger

ACS1 Single phase load connection box

(User installs country specific power receptacle)

ACS2 Three phase load connection box

(User installs country specific 3-phase plug and 3-phase connector)

ACS3 Soft carrying case for 101A

2-3 3-1

2.2

2.22.2

2.2 SPECIFICATIONS

SPECIFICATIONSSPECIFICATIONS

SPECIFICATIONS

Voltage

VoltageVoltage

Voltage 4 ranges: 30 V, 100 V, 300 V, 1000 V; max. 600 V

Frequency range: DC-50 kHz

Accuracy: 10 Hz – 2 kHz, ±(0.1 % rdg + 0.1 % range)

2 kHz – 10 kHz, ±(0.8 % rdg + 0.3 % range)

Current

CurrentCurrent

Current 5 ranges: 600 mA, 2 A, 6 A, 20 A, 60 A; max. 40 A continuous, max.

100A, 1 second

Frequency range: DC – 50 kHz

Accuracy: 10 Hz – 400 Hz, ±(0.15 % rdg + 0.15 % range)*

400 Hz – 2 kHz, ±(1.5 % rdg + 1.0 % range)

*Lowest range and current >10A multiply percentage figures

by 2.

Power

PowerPower

Power Accuracy: Add accuracy percentage figures of current and voltage,

PF = 0 to ±1.

Measured

MeasuredMeasured

Measured

Quantities

QuantitiesQuantities

Quantities Vrms, Vmax, Vpeakhold, Arms, Amax, Apeakhold, power, apparent power, power

factor, energy, apparent energy, elapsed time, voltage - and current harmonics n=1 to

20.

Display

DisplayDisplay

Display Blue liquid c rystal graphic display with EL backlight. Displays values of each phase,

total values, or values of all three phases. Displays wave forms and bar graphs.

Dielectric

DielectricDielectric

Dielectric Inputs to case, Line input to case: 2 kV/2 kV

Dimension

DimensionDimension

Dimension H x W x D = 132 x 185 x 267 mm. W eight 2.5 kg, Tilt stand.

Options

OptionsOptions

Options RS-232 Interface and Windows Operating Software (95, 98, NT, 2000, ME, XP).

Battery back up for 6 hours operation with built in charger.

Accessories

AccessoriesAccessories

Accessories Single - and three phase load connection box

Carrying case

32A Test lead s

3.3.

3. MATHEMATICAL DEFINITIONS USE

MATHEMATICAL DEFINITIONS USEMATHEMATICAL DEFINITIONS USE

MATHEMATICAL DEFINITIONS USED BY THE

D BY THED BY THE

D BY THE

POWER ANALYZER

POWER ANALYZERPOWER ANALYZER

POWER ANALYZER

RMS-value (1/T

∫i2dt)1/2; RMS of total and RMS of harmonic (1-63)

Maximum max. (i) in averaging interval

Average Power P 1/T

∫u i dt

Apparent Power S RMS current x RMS voltage

Power Factor P/S

Power Factor 3-phase system (P1 + P2 + P3) / S1 + S2 + S3)

Energies

∫xdt x = P, S

RMS-, and maximum values apply to current and voltage.

RMS-, and maximum values apply to current and voltage.RMS-, and maximum values apply to current and voltage.

RMS-, and maximum values apply to current and voltage.

Energies apply to real- and apparent power.

Energies apply to real- and apparent power.Energies apply to real- and apparent power.

Energies apply to real- and apparent power.

4-1 4-2

4.4.

4. GETTING STARTED

GETTING STARTEDGETTING STARTED

GETTING STARTED

This section explains how to prepare the Power Analyzer for operation, discusses

general operating features, and explains some common measurements.

4.1

4.14.1

4.1 FRONT PANEL AND REAR PANEL

FRONT PANEL AND REAR PANELFRONT PANEL AND REAR PANEL

FRONT PANEL AND REAR PANEL

The front panel in figure 4.1 shows the graphic display in its configuration when the

Power Analyzer starts up. The main menus at the bottom of the display are selected by

pressing menu keys M1 through M6. Below the menu keys are 4 cursor control keys

and one “SET”

“SET”“SET”

“SET” key. The cursor control keys are used to move the cursor up and down

or to the right or to the left.

The basic operations are:

•Move the cursor in the side menu and press “SET”

“SET”“SET”

“SET”. A pull down menu is

presented to select a new setting.

•Move the cursor right to any display number field and press “SET”

“SET”“SET”

“SET”. A

measurement quantity selection table is presented to select a new quantity.

Figure 4.1.

Figure 4.1.Figure 4.1.

Figure 4.1. Power / Energy Analyzer Front Panel

Power / Energy Analyzer Front PanelPower / Energy Analyzer Front Panel

Power / Energy Analyzer Front Panel

The rear panel of a single phase 101A is shown in Figure 4.2. The input terminals are

on the right hand side. Load current is measured between red and blue terminals and

voltage is measured between blue and black terminals.

The three phase Power Analyzer has the inputs for phase 1 (L1) at the bottom, phase 2

(L2) inputs are in the middle, and phase 3 (L3) inputs at the top.

On the left hand side of the rear panel is the RS-232 interface connector (not shown in

Figure 4.2).

Figure 4.2.

Figure 4.2.Figure 4.2.

Figure 4.2. Power / Energy Analyzer Rear Panel

Power / Energy Analyzer Rear PanelPower / Energy Analyzer Rear Panel

Power / Energy Analyzer Rear Panel

4.2.

4.2.4.2.

4.2. LINE VOLTAGE SELECTION

LINE VOLTAGE SELECTIONLINE VOLTAGE SELECTION

LINE VOLTAGE SELECTION

The line operating voltage is factory set. Before operating your Power Analyzer on line

power please check the voltage setting written on the tag above the line receptacle. In

case the voltage does not match the operating voltage of your country the voltage

setting can be changed as shown below:

WARNING

WARNINGWARNING

WARNING

Before changing the internal voltage setting disconnect all electrical connections to the

Power Analyzer.

•Remove all connections to your Power Analyzer.

•Remove the instrument hood by removing 4 screws on each side of the case.

•Change the jumper setting as shown in Figure 4.3.

4-3 4-4

Figure 4.3.

Figure 4.3.Figure 4.3.

Figure 4.3. Position of Voltage Selector fo

Position of Voltage Selector foPosition of Voltage Selector fo

Position of Voltage Selector for 110V/60Hz and 230V/50Hz operation.

r 110V/60Hz and 230V/50Hz operation.r 110V/60Hz and 230V/50Hz operation.

r 110V/60Hz and 230V/50Hz operation.

4.3

4.34.3

4.3 TURNING THE POWER ANALYZER ON

TURNING THE POWER ANALYZER ONTURNING THE POWER ANALYZER ON

TURNING THE POWER ANALYZER ON

Insert the line cord into the receptacle on the charger. It will operate on the line voltage

marked above the line cord receptacle.

Turn on the instrument by activating the on/off-switch located on the front panel.

Alternatively, you can operate the Power Analyzer on the internal optional batteries

without external supply.

When the instrument is turned on the display is set to its start-up configuration with most

values set to zero for about 2 seconds. The Power Analyzer assumes its initial setting

as follows: the first line of the display number field shows the RMS current and the RMS

voltage. The second line shows power and power factor, and the third line shows active

energy and time.

The fourth and fifth lines are graphic area. At start-up the voltage wave form is

displayed.

Three phase instruments will display values from phase L1.

The side menu shows the following settings:

IN 50A

IN 50AIN 50A

IN 50A current input 0-50A

600mA A

600mA A600mA A

600mA A 600mA range in auto ranging

30V A

30V A30V A

30V A 30V range in auto ranging

Syn = I

Syn = ISyn = I

Syn = I synchronization to current phase L1

>500 ms

500 ms500 ms

500 ms 500ms measurement time

VIEW L1

VIEW L1VIEW L1

VIEW L1 displays phase L1 values

The main menus along the bottom side of the display are:





HOLD

HOLDHOLD

HOLD 















VIEW

VIEWVIEW

VIEW











4.4

4.44.4

4.4 USING THE FUNCTION KEYS

USING THE FUNCTION KEYSUSING THE FUNCTION KEYS

USING THE FUNCTION KEYS

Below the display are 2 rows of control keys. The top row contains 6 menu control keys

M1, M2, M3, M4, M5,

M1, M2, M3, M4, M5,M1, M2, M3, M4, M5,

M1, M2, M3, M4, M5, and M6

M6M6

M6. The bottom row contains 4 cursor control keys and 1

“SET” control key.

The basic use of the two key control fields is as follows:

The cursor control keys

cursor control keyscursor control keys

cursor control keys are used to move the cursor to the desired position on the

display. Pressing the SET-key

SET-keySET-key

SET-key means that you want to modify this position; this can be a

position to the very left of the display (side menu) such as current range- or voltage

range selection, or synchronization to I or U (current or voltage of phase L1), or

selection of averaging time, or selection of phase L1, L2, L3, SUM, or ALL display.

When you move the cursor to the display number field the display can be reconfigured,

that is, you can place at the selected position a different quantity.

The menu control keys

menu control keysmenu control keys

menu control keys M1

M1M1

M1 through M6

M6M6

M6 go with the 6 menus shown along the bottom of

the display. These menus are dynamically changing, depending on the cursor position

and other action you may take.

4.5

4.54.5

4.5 TAKING BASIC MEASUREMENTS

TAKING BASIC MEASUREMENTSTAKING BASIC MEASUREMENTS

TAKING BASIC MEASUREMENTS

The following procedures describe the basics of taking common power measurements

operating the Power Analyzer from the front panel. This information is provided for the

user who needs to get started quickly.

WARNINGS

WARNINGSWARNINGS

WARNINGS

Read the Power Analyzer safety before operating this instrument.

To avoid electrical shock or damage to the Power Analyzer, do not apply more

than 850V peak between any terminal and earth ground.

The user should be well aware of the fact, that switching off inductive loads may

generate extremely fast and high voltage transients exceeding above limits.

To measure voltage, current, power and related quantities in a 3-phase circuit

connect the test leads as shown in figure 4.4 and follow the procedure described

below.

Red Voltage Selector

shown is set for 230V/50Hz

operation (use pin in the

middle and to the right)

Position of Voltage Selector

for 110V/60Hz operation

(use pin in the middle and

to the left

)

4-5 5-1

L3L3

L2L2

L1L1

TO LOAD

L2L2

I3I3

I1I1

I2I2

Voltage

Common

L3L3

L1L1

V3V3

V2V2

V1V1

Figure 4.4:

Figure 4.4:Figure 4.4:

Figure 4.4: Wiring of the Power Analyzer in a 3-phase 4-wire circuit.

The 3-Wattmeter connection is used. Total Power = P1+P2+P3.

If no neutral is available leave voltage Lo unconnected.

(Frequency inverters, star point network 500kΩis built in)

•Turn off power in the circuit to be measured.

•Break the circuit in each phase and connect phase L1 to the current input 1, phase

L2 to current input 2, and phase L3 to current input 3. The current flows from source

to load; as a consequence you must connect the Hi current inputs (red) to the source

side and the Lo current inputs (blue) to the load side.

•In three phase 4-wire systems connect the Lo input terminal (black) to Neutral. In

three phase 3-wire systems leave Lo input unconnected.

•Switch on the Power Analyzer (it will be in automatic ranging).

•Turn on power to the load under test.

•The Power Analyzer will automatically select the voltage range and displays the

following six electrical quantities (display top to bottom) RMS-current, RMS-voltage,

power, power factor active energy, and elapsed time of phase L1.

•Use the side menu to display values from phase L2, L3, SUM, and ALL.

5.5.

5. OPERATING THE PO

OPERATING THE POOPERATING THE PO

OPERATING THE POWER ANALYZER FROM THE

WER ANALYZER FROM THEWER ANALYZER FROM THE

WER ANALYZER FROM THE

FRONT PANEL

FRONT PANELFRONT PANEL

FRONT PANEL

Section 5 explains how to operate the Power Analyzer from the front panel. You may

want to configure the instrument to your personal needs going through the steps

described in this section. Six menu keys M1

M1M1

M1 through M6

M6M6

M6 below the display, four cursor

control keys, and one SET

SETSET

SET key perform all operations.

All front panel operations can just as well be achieved by using the computer interface.

5.1

5.15.1

5.1 OPERATING PHILOSOPHY

OPERATING PHILOSOPHYOPERATING PHILOSOPHY

OPERATING PHILOSOPHY

The display monitor is subdivided into the side menu field, the number- and graphics

field, and the bottom line menu field (Figure 5.1). The cursor can be moved to the side

menu field and the number field.

If you move the cursor to one of the side menu annunciators and press the SET

SETSET

SET key a

pull-down menu is presented from which you can make a new choice. Moving the cursor

in the pull-down menu to the desired value does this. Press the SET

SETSET

SET key again. The new

setting becomes active and appears now as annunciator in the side menu.

If you move the cursor to the display number field and press the SET

SETSET

SET key a selection

table of the available measurement values is presented from which you can make a new

choice. Moving the cursor in the selection table to the desired value does this. Press the

SET

SETSET

SET key again. The new measurement quantity now becomes active and appears now

in the selected display number field.

Finally, the keys M1

M1M1

M1 through M6

M6M6

M6 operate the bottom-line menu field. The main menus

HOLD, AC+DC, VIEW

HOLD, AC+DC, VIEWHOLD, AC+DC, VIEW

HOLD, AC+DC, VIEW appear when the cursor is located in the side menu. When the

cursor is located in the display number field a secondary menu appears matching the

measurement quantity the cursor is pointing at. If the cursor is pointing at an FFT-value,

for example, the bottom-line menu lets you alter the harmonic number shown in the

annunciator in the middle section of the side menu field.

5-2 5-3

Figure 5.1

Figure 5.1Figure 5.1

Figure 5.1 Power Analyzer Front Panel Controls

Power Analyzer Front Panel ControlsPower Analyzer Front Panel Controls

Power Analyzer Front Panel Controls

5.2

5.25.2

5.2 OPERATIONS CONTROLLED BY THE SIDE MENUS

OPERATIONS CONTROLLED BY THE SIDE MENUSOPERATIONS CONTROLLED BY THE SIDE MENUS

OPERATIONS CONTROLLED BY THE SIDE MENUS

The side menus control such functions as current input selection, range selection,

measurement time and special functions selection, and display mode selection.

5.2.1

5.2.15.2.1

5.2.1 RANGE SELECTION, AUTO RANGE SELECTION

RANGE SELECTION, AUTO RANGE SELECTIONRANGE SELECTION, AUTO RANGE SELECTION

RANGE SELECTION, AUTO RANGE SELECTION

Current Ranging

Current RangingCurrent Ranging

Current Ranging

To select a current range you move the cursor in the side menu to the current range

annunciator and press the SET

SETSET

SET key.

Move the cursor to the desired range and press SET

SETSET

SET to return to the side menu.

Auto Ranging

Auto RangingAuto Ranging

Auto Ranging

When you have set a range manually an inverse M

to the right of the range annunciator

is displayed indicating that current is in manual ranging. With menu key M2

M2M2

you can

toggle the current input from manual ranging to auto ranging (indicated by an inverse A),

and back to manual ranging. For all but a few measurements auto ranging will work fine.

Manual ranging must be used for the data logging and dynamic torque measurement

and for those measurements where occasional large current peaks cause an undesired

up- and down ranging.

Voltage Ranging

Voltage RangingVoltage Ranging

Voltage Ranging

To select a voltage range you move the cursor in the side menu to the voltage range

annunciator and press the SET

SETSET

SET key. From the pull-down menu 30V100V/300V/1000V

select the desired range with the cursor. Press SET

SETSET

SET to activate the range and return to

the side menu. The inverse M to the right of the voltage range annunciator indicates

manual ranging for the voltage inputs. For auto range selection proceed as described in

“Auto Ranging

Auto RangingAuto Ranging

Auto Ranging” above.

NOTE:

NOTE:NOTE:

NOTE: When you are using a three phase Power Analyzer all three channels

are in the same voltage – and current range. If the signal level of one

channel is much below the others you will still achieve good accuracy.

The Power Analyzer exhibits excellent linearity for signal levels from

5 to 130 % of full scale.

5.2.2

5.2.25.2.2

5.2.2 SELECTING SYNCHRONIZATION / 2W, 3W-CONFIG.

SELECTING SYNCHRONIZATION / 2W, 3W-CONFIG.SELECTING SYNCHRONIZATION / 2W, 3W-CONFIG.

SELECTING SYNCHRONIZATION / 2W, 3W-CONFIG.

The fourth annunciator from the top of the side menu indicates the selected

measurement signal synchronization. Move the cursor to this position and press SET

SETSET

SET.

The pull-down menu Sync I / Sync U

Sync I / Sync USync I / Sync U

Sync I / Sync U is displayed. Move the cursor to the desired setting

and press SET

SETSET

SET to return to the side menu.

Sync I

Sync ISync I

Sync I: When you select Sync I

Sync ISync I

Sync I the fundamental waveform of current L1 is used. The

calculation of rms-, power-, and harmonic values is synchronized to the fundamental

waveform.

Sync U

Sync USync U

Sync U: When you select Sync U

Sync USync U

Sync U the fundamental waveform of voltage L1 is used. The

calculation of rms-, power-, and harmonic values is synchronized to the fundamental

waveform.

For measurements on frequency inverters

frequency invertersfrequency inverters

frequency inverters we recommend to utilize Sync I

Sync ISync I

Sync I.

3W:

3W:3W:

3W: 3-Wattmeter configuration, averages and sums are computed from phase L1,

L2, and L3.

2W:

2W:2W:

2W: 2-Wattmeter configuration averages and sums are computed from phase L1

and L2.

5.2.3

5.2.35.2.3

5.2.3 SELECTING MEASUREMENT TIME AND SPECIAL

SELECTING MEASUREMENT TIME AND SPECIALSELECTING MEASUREMENT TIME AND SPECIAL

SELECTING MEASUREMENT TIME AND SPECIAL

FUNCTIONS

FUNCTIONSFUNCTIONS

FUNCTIONS

The fifth annunciator from the top of the side menu displays the selected minimum

signal acquisition time or the special function peakhold

peakholdpeakhold

peakhold. Move the cursor to this

annunciator and press SET

SETSET

SET. The following pull down menu appears:

>250ms / >500ms / >1s / >2s / peak-hd

Side menu field

(annunciators)

Number field

Graphics field

Bottom-line menu field

Menu keys M1 … M6

Cursor control keys

5-4 5-5

Now move the cursor to the desired time or function and press SET

SETSET

SET to return to the side

menu.

The basic measurement process for measurement times >250ms, …, 2s and for the

special function is described below:

>250ms, …, 2s

250ms, …, 2s250ms, …, 2s

250ms, …, 2s: The selected time sets the duration of signal data acquisition for one

measurement interval. The measurement is synchronized to the zero crossing of either

current (Sync I), or voltage (Sync U).

Measurements are thus taken over full periods and result in stable readings for signal

frequencies down to 2Hz. In case the selected time interval has expired but the signal

period has not reached its end the measurement time is extended to the end of the

signal period.

In the selected measurement time all raw data in a three phase system are collected,

and are made available for display or for data transfer to a PC via interface. This

process runs continuously.

Peak-

Peak-Peak-

Peak-hd:

hd:hd:

hd: This function selects >500ms measurement time and stores the

maximum of current and voltage since measurement start.

A manual Reset function is provided. Move the cursor to the display of Amax or Vmax.

Key M5

M5M5

M5 becomes the Reset key for Amax and Vmax.

5.2.4

5.2.45.2.4

5.2.4 SELECTING VARIOUS DISPLAY MODES

SELECTING VARIOUS DISPLAY MODESSELECTING VARIOUS DISPLAY MODES

SELECTING VARIOUS DISPLAY MODES

Move the cursor to the sixth annunciator in the side menu and press SET

SETSET

SET. The pull-

down menu VIEW L1 / VIEW L2 / VIEW L3 / VIEWSUM / VIEWALL

VIEW L1 / VIEW L2 / VIEW L3 / VIEWSUM / VIEWALLVIEW L1 / VIEW L2 / VIEW L3 / VIEWSUM / VIEWALL

VIEW L1 / VIEW L2 / VIEW L3 / VIEWSUM / VIEWALL presents five

choices of possible display modes (available on 3-phase Power Analyzers only).

The VIEW

VIEWVIEW

VIEW L1/L2/L3

L1/L2/L3L1/L2/L3

L1/L2/L3-display-modes display numeric values in large size numbers

combined with graphics of the selected phase.

The VIEWSUM

VIEWSUMVIEWSUM

VIEWSUM-display-mode displays numeric values in large size numbers with

graphics selectable from phase L1, L2, or L3. For power and associated values the total

and for voltage- and current values the average of the 3-phase system is displayed (see

section 3 for definitions).

The VIEWALL

VIEWALLVIEWALL

VIEWALL-display-mode displays up to 40 numeric values of the 3-phase system.

The screen is split in four columns for L1-, L2-, L3-, and sum values. In this display

mode no graphics area is available.

5.2.5

5.2.55.2.5

5.2.5 SELECTING THE GRAPHICS IN THE VIEWSUM-

SELECTING THE GRAPHICS IN THE VIEWSUM-SELECTING THE GRAPHICS IN THE VIEWSUM-

SELECTING THE GRAPHICS IN THE VIEWSUM-

DISPLAY-MODE

DISPLAY-MODEDISPLAY-MODE

DISPLAY-MODE

If you have selected the VIEWSUM

VIEWSUMVIEWSUM

VIEWSUM-display-mode (section 5.3.6) you can select in the

graphics area data from phase L1, L2, or L3. An annunciator indicates the display mode

in the side menu (seventh from top). Move the cursor to this position and press SET

SETSET

SET; the

pull-down menu GRAPHL1 / GRAPHL2 / GRAPHL3

GRAPHL1 / GRAPHL2 / GRAPHL3GRAPHL1 / GRAPHL2 / GRAPHL3

GRAPHL1 / GRAPHL2 / GRAPHL3 appears from which you can select

graphics from L1, L2, or L3.

5.3

5.35.3

5.3 OPERATIONS CONTROLLED BY THE BOTTOM LINE

OPERATIONS CONTROLLED BY THE BOTTOM LINEOPERATIONS CONTROLLED BY THE BOTTOM LINE

OPERATIONS CONTROLLED BY THE BOTTOM LINE

MENUS

MENUSMENUS

MENUS

This section describes the use of the main menu. The main menu is displayed when the

cursor is placed in the side menu or in one of the numeric fields. The keys M1, M2, M3,

M1, M2, M3,M1, M2, M3,

M1, M2, M3,

M4, M5, M6

M4, M5, M6M4, M5, M6

M4, M5, M6 are used to select a function. Pressing a key pointing to an empty menu

field has no effect.

5.3.1

5.3.15.3.1

5.3.1 MAIN MENUS

MAIN MENUSMAIN MENUS

MAIN MENUS

Keys M1

M1M1

M1 through M6

M6M6

M6 select the main menus |

|||HOLD

HOLDHOLD

HOLD |

|||AC+DC

AC+DCAC+DC

AC+DC |

|||

|||VIEW

VIEWVIEW

VIEW |

|||

|||.

. The

menu |

|||AC+DC

AC+DCAC+DC

AC+DC|

|||is only present when the cursor is in the numeric display field pointing at

a quantity that can have a DC component.

5.3.2

5.3.25.3.2

5.3.2 MAIN MENU

MAIN MENUMAIN MENU

MAIN MENU <

<HOLD

HOLDHOLD

HOLD>

Press key M1

M1M1

M1 to enter the display hold state. The HOLD

HOLDHOLD

HOLD annunciator at left bottom

indicates it. Numeric values and graphics are held while the measurement process goes

on. This is particularly useful for the energy measurement.

Press key M1

M1M1

M1 again to return to the RUN

RUNRUN

RUN state.

5.3.3

5.3.35.3.3

5.3.3 MAIN MENU

MAIN MENUMAIN MENU

MAIN MENU <

<AC+DC

AC+DCAC+DC

AC+DC>

The menu |

|||AC+DC

AC+DCAC+DC

AC+DC|

|||is selected by M2

M2M2

M2 and is used to include or exclude DC components

in a measured quantity. RMS- and power values offer the choice of AC- or AC+DC-

coupling. Therefore, move the cursor to an RMS- or power value in the numeric field to

activate the AC+DC

AC+DCAC+DC

AC+DC menu. Simultaneously, a status indicator AC or DC above the

current deflection bar graph indicates whether the value includes DC components or

not. Key M2

M2M2

M2 toggles the status indicator AC/DC. This way DC components can

individually be included or not.

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