North Atlantic 2251 User Manual

Artisan Technology Group is your source for quality
new and certied-used/pre-owned equipment
• FAST SHIPPING AND
DELIVERY
• TENS OF THOUSANDS OF
IN-STOCK ITEMS
• EQUIPMENT DEMOS
• HUNDREDS OF
MANUFACTURERS
SUPPORTED
• LEASING/MONTHLY
RENTALS
• ITAR CERTIFIED
SECURE ASSET SOLUTIONS
SERVICE CENTER REPAIRS
Experienced engineers and technicians on staff
at our full-service, in-house repair center
WE BUY USED EQUIPMENT
Sell your excess, underutilized, and idle used equipment
We also offer credit for buy-backs and trade-ins
www.artisantg.com/WeBuyEquipment
REMOTE INSPECTION
Remotely inspect equipment before purchasing with
our interactive website at www.instraview.com
LOOKING FOR MORE INFORMATION?
Visit us on the web at www.artisantg.com for more
information on price quotations, drivers, technical
specications, manuals, and documentation
Contact us: (888) 88-SOURCE | sales@artisantg.com | www.artisantg.com
SM
View
Instra

North Atlantic 2251 Specifications

General

Brand	North Atlantic
Model	2251
Category	Measuring Instruments
Language	English

Summary

SECTION 1 GENERAL INFORMATION

1-1.4 Section 4 - IEEE-488 Standard Digital Interface Programming

Covers remote operation via IEEE-488 and emulation.

1-1.5 Section 5 - IEEE MATE Control Interface Intermediate Language Option

1-1.6 Section 6 - Theory of Operation

1-5 SPECIFICATIONS

Table 1-5. Specifications

Lists electrical and mechanical specifications for the Model 2250 DAV.

SECTION 2 INSTALLATION AND PREPARATION FOR USE

2-5 POWER REQUIREMENTS

Specifies the unit's power input voltage and VA requirements.

2-9 OPERATIONAL CHECKOUT PROCEDURE

2-9.2 Continuity and Isolation Checks

Details procedures for checking continuity and isolation.

2-9.3 Function Verification

2-9.4 Amplitude Accuracy and Phase Check. 400 Hz.

SECTION 3 OPERATION

3-2 FRONT PANEL CONTROLS AND INDICATORS

Illustrates and describes front panel controls and indicators.

3-3 REAR PANEL CONTROLS AND INDICATORS

3-4 MODES OF OPERATION

3-4 .1 TOTAL Mode

Explains TOTAL mode, SUM/AVG types, and measurement techniques.

3-4.2 FUNDamental Mode

3-4.3 IN PHASE Mode

Explains IN PHASE mode, vector components, and reference input needs.

3-4.4 QUADrature Mode

3-4.5 PHASE ANGLE Mode

3-4.6 THD Mode

3-4.7 RATIO R Modes

Describes RATIO R submodes: TOTAL, FUND, IN PHASE, QUAD.

3-10 SELF-CALIBRATION

3-10.1 Ten Frequency Self-Calibration Storage

Describes storing self-calibration data for ten frequencies.

3-10. 2 TOTAL (AVG) Calibration

Explains the self-calibration required for TOTAL (AVG) mode.

3-10.3 AUTOCAL Operation

Details the AUTOCAL function for automatic self-calibration.

3-12.1 AC Voltage Measurement

3-12. 2 Phase Sensitive AC Voltage Measurement

3-12.3 Phase Angle Measurement

3-12.4 Frequency Response Measurements in dB

3-12.4.1 Setup Frequencies

3-12.4.2 Measure Response

3-12.5 THD Measurements

3-12.6 Percent Deviation Measurements

3-12.7 Harmonics Measurements

3-12.7.1 Harmonic Fundamental Amplitude

Guides on measuring the third harmonic amplitude.

3-12.7.2 Harmonic Inphase Component Amplitude

Details measuring the inphase component amplitude.

3-12.7.3 Harmonic Quadrature Component Amplitude

3-12.7.4 Harmonic Phase Angle Measurement

3-12.8 Transformation Ratio Measurement

3-12.11 Impedance Angle and Power Factor Measurements

3-12.12 Impedance Magnitude

3-12.13 AC Resistance and Reactance Measurements

SECTION 4 IEEE-488 STANDARD DIGITAL INTERFACE PROGRAMMING

4-1.2 Remote Program Language Selection

Explains selecting NATIVE, Model 225 EMULATION, or MATE-CIIL languages.

4-1.3 DAV Address

4-2 BUS COMMANDS

4-2.1 Bus Command Descriptions

4-3 MODEL 2250 NATIVE LANGUAGE DEVICE DEPENDENT MESSAGES

4-3.1 Mode Progrannning

Details programming modes using function op codes and mnemonics.

4-3.1.2 Ratio R Mode Programming Examples

Gives examples of programming Ratio R modes.

4-3.2 Range Programming

4-3.2.1 Voltage Range Programming

Explains programming voltage ranges using SRX, VOLT, codes.

4-3.2.2 Ratio Range Programming

Details programming ratio ranges using SRX, RTIO, codes.

4-3.4 Measurement Modifier Programming

4-3.4.1 Harmonic Measurement Programming

Guides on selecting harmonics using SET, HARM.

4-3.5 Data Math Modifier Programming

4-3.5.1 Phase Offset Programming

Describes programming Phase Offset using SET, POFF.

4-3.5.2 Variable Scale Programming

Explains programming Variable Scale multipliers using SET, VARI.

4-3.5.6 dB Programming

4-3.6 Self-Calibration Programming

4-4 MODEL 2250 NATIVE LANGUAGE TALK MESSAGES

4-4.1 TALK Message Format Programming

4-4.2 Main Display Transmission Format

4-5 MODEL 2250 NATIVE LANGUAGE SERIAL POLL

4-6 MODEL 2250 NATIVE LANGUAGE SERVICE REQUEST PROGRAMMING

4-6.1 Assert SRQ With Stable Data or Measurement Timeout

4-6. 2 Assert SRQ Continuously Programming

4-6.3 ·Assert SRQ On External Trigger Programming

4-7 MODEL 2250 NATIVE LANGUAGE GROUP EXECUTE TRIGGER REQUEST PROGRAMMING

4-13 MODEL 225 EMULATION DEVICE CLEAR OPTIONS

SECTION 5 IEEE-488 MATE CONTROL INTERFACE INTERMEDIATE LANGUAGE OPTION

5-1.2 Selection of IEEE-488 MATE Operation

5-2 INPUTS

5-2.1 Format of Inputs

5-2.2 Format of FNC

5-2.4 MCHAR

5-2.6 Modifier Fields

5-2.6.1 Set Codes

5-2. 6. 2 Modifier

5-3 PROGRAMMING APPLICATIONS (FNC)

5-3 .1 TOTAL Mode

Provides strings for TOTAL mode and voltage ranges.

5-3. 2 FUNDamental Mode

Gives strings for FUND mode and voltage ranges.

5-3.3 IN PHASE Mode

Provides strings for IN PHASE mode and voltage ranges.

5-3.4 QUADrature Mode

5-3.5 PHASE ANGLE Mode

5-3.6 Total Harmonic Distortion (THD)

5-3.7 Harmonic Phase

5-3.8 Harmonic Voltage

5-3. 9 Frequency

5-3.13 Reference Channel Measurements

5-3.14 Calibration

SECTION 6 THEORY OF OPERATION

6-2 OVERALL BLOCK DIAGRAM DISCUSSION

6-2.1 Front-End Section

6-2.1.1 Input Signal Path

6-2.1.2 Reference Signal Path

6-2. 2 Analog to Digital Converters

6-2.4 The Accumulator (2)

6-2.5 Timing and Control CCA

6-2 .8 Microprocessor CCA

6-2.10 Input/Output CCA

6-2 .11 The Display Driver CCA

6-3 POWER SUPPLIES

6-3.1 System Level Power Supply