B&K Precision 9129B Instruction Manual

Model 9129B

USER MANUAL

Triple Output Programmable DC Power Supply

Safety Summary

The follow ing safety precautio ns apply to both operating and maintenance personnel and must be followed during all phases of operation, service, and repair of this instrument.

Before applying power to this instrument:

• Read and understand the safety and operational information in this manual.

• Apply all the listed safety precautions.

• Verify that the voltage selector at the line power cord input is set to the correct line

voltage. Operating the instrument at an incorrect line voltage will void the warranty.

• Make all connections to the instrument before applying power.

• Do not operate the instrument in ways not specified by this manual or by B&K Precision.

Failure to comply with these precautions or with warnings elsewhere in this manual violates the safety standards of design, manufacture, and intended use of the instrument. B&K Precision assumes no liability for a customer’s failure to comply with these requirements.

Category rating

The IEC 61010 standard defines safety category ratings that specify the amount of electrical energy available and the voltage impulses that may occur on electrical conductors associated with these category ratings. The category rating is a Roman numeral of I, II, III, or IV. This rating is also accompanied by a maximum voltage of the circuit to be tested, which defines the voltage impulses expected and required insulation clearances. These categories are:

Category I (CAT I): Measurement instruments whose me a s ure m ent i nputs are not intended to be connected to the mains supply. The voltages in the environment are typically derived from a limited-energy transforme r or a battery.

Category II (CAT II): Measurement instruments whose measurement inputs are meant to be connected to the mains supply at a standard wall outlet or similar sources. Example measurement environments are portable tools and household appliances.

Category III (CAT III): Measurement instruments whose measurement inputs are meant to be connected to the mains installation of a building. Examples are measurements inside a building's circuit breaker panel or the wiring of permanently-installed motors.

Category IV (CAT IV): Measurement instruments whose measurement inputs are meant to be connected to the primary power entering a building or other outdoor wiring.

Do not use this instrument in an electrical environment with a higher category rating than what

is specified in this manual for this instrument.

You must ensure that each accessory you use with this instrument has a category rating equal to or higher than the instrument's category rating to maintain the instrument's category rating. Failure to do so will lower the category rat in g of the measuring system.

Electrical Power

This instrument is intended to be powered from a CATEGORY II mains power environment. The mains power should be 120 V RMS or 240 V RMS. Use only the power cord supplied with the instrument and ensure it is appropriate for your country of use.

Ground the Instrument

To minimize shock hazard, the instrument chassis and cabinet must be connected to an electrical safety ground. This instrument is grounded through the ground conductor of the supplied, thr ee-conductor AC line power cable. The power cable must be plugged into an approv ed three-conductor electrical outlet. The power jack and mating plug of the power cable meet IEC safety standards.

Do not alter or defeat the ground connection. Without the safety ground connection, all accessible conductive parts (including control knobs) may provide an electric shock. Failure to use a properly-grounded approved outlet and the recommended three-conductor

AC line power

cable may result in injury or death.

Unless otherwise stated, a ground connection on the instrument's front or rear panel is for a reference of potential only and is not to be used as a safety ground.

Do not operate in an explosive or flammable atmosphere

Do not operate the instrument in the presence of flammable gases or vapors, fumes, or finelydivided particulates.

The instrument is designed to be used in o ffice-type indoor environments. Do not operate the instrument

• In the presence of noxious, corrosive, or flammable fumes, gases, vapors, chemicals, or finely-divided particulates.

• In relative humidi ty conditions outside the instrument's specifications.

• In environments where there is a danger of any liquid being spilled on the instrument or

where any liquid can condense on the instrument.

• In air temperatures exceeding the specified operating temperatures.

• In atmospheric pressures outside the specified altitude limits or where the surrounding

gas is not air.

• In environments with restricted cooling air flow, even if the air temperatures are within specifications.

• In direct sunlight.

This instrument is intended to be used in an indoor pollution degree 2 environment. The operati ng t e mpera ture r a nge is 0 °C to 40 °C and the operating humidity range is up to 80% relative humidity with no condensation allowed. Measureme n ts m a de by this instrument may be outside specifications if the instrument is used in non-office-type environments. Such environments may include rapid temperature or humidity changes, sunlight, vibration and/or mechanical shocks, acoustic noise, electrical noise, strong ele ctric fields, or strong magnetic fields.

Do not operate instrument if damaged

If the instrument is damaged, appears to be damaged, or if any liquid, chemical, or other material gets on or inside the instrument, remove the instrument's power cord, remove the instrument from service, label it as not to be operated, and return the instrument to B&K Precision for repair. Notify B&K Precision of the nature of any contamination of the instrume nt.

Clean the instrument onl y as ins truc ted

Do not clean the instrument, its switches, or its terminals with contact cleaners, abrasives, lubricants, solvents, acids/bases, or other such chemicals. Clean the instrument only with a clean dry lint-free cloth or as instructed in this manual.

Not for critical applications

This instrument is not authorized for use in contact with the human body or for use as a component in a life-support device or system.

Do not touch live circuits

Instrument covers must not be removed by operating personnel. Component replacement and internal adjustments must be made by qualified service-trained maintenance personnel who are aware of the hazards involved when the instrument's covers and shields are removed. Under certain conditions, even with the power cord removed, dangerous voltages may exist when the covers are removed. To avoid injuries, always disconnect the power cord from the instrument, disconnect all other connections (for example, test leads, computer interface cables, etc.), discharge all circuits, and verify there are no hazardous voltages present on any conductors by measurements with a properly-operating voltage-sensing device bef o re touching any internal parts. Verify the voltage-sensing device is working properly before and after making the measurement s by testing with known-operating voltage sources and test for both DC and AC voltages. Do not attempt any service or adjustment unless another person capable of rendering first aid and resuscitation is present. Do not insert any object into an instrument's ventilation openings or other openings.

Hazardous voltages may be present in unexpected locations in circuitry being tested when a fault condition in the circuit exists.

Fuse replacement

Fuse replacement must be done by qualified service-trained maintenance personnel who are aware of the instrument's fuse requirements and safe replacement procedures. Disconnect the instrument from the power line before replacing fuses. Replace fuses only with new fuses of the fuse types, voltage ratings, and current ratings specified in this manual or on the back of the instrument. Failure to do so may damage the instrument, lead to a safety hazard, or cause a fire. Failure to use the specified fuses will void the warranty.

Servicing

Do not substitute parts that are not approved by B&K Precision or modify this instrument. Return the instrument to B&K Precision for ser vice and repair to ensure that safety and performance featu res are maintained.

Cooling fans

This instrument contains one or more cooling fans. For continued safe operation of the instrument, the air inlet and exhaust openings for these fans must not be blocked nor must accumulated dust or other debris be allowed to reduce air flow. Maintain at least 25 mm clearance around the sides of the instrument that contain air inlet and exhaust ports. If mounted in a rack, position power devices in the rack above the instrument to minimize instrument heating while rack mounted. Do not continue to operate the instrument if you

cannot verify the fan is operating (note some fans may have intermittent duty cycles). Do not insert any object into the fan's inlet or outlet.

Use correctly sized wires

To connect a load to the power supply, use a wire diameter large enough to handle the maximum continuous output short-circuit current of the power supply without the wire overheating.

For continued safe use of the instrument

• Do not place heavy objects on the instrument.

• Do not obstruct cooling air flow to the instrument.

• Do not place a hot soldering iron on the instrument.

• Do not pull the instrument with the power cord, connected probe, or connected test

lead.

• Do not move the instrument when a probe is connected to a circuit being tested.

Compliance Statements

This product is subject to Directive 2002/96/EC of the European

Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems)

Parliament and the Council of the European Union on waste electrical and electronic equipment (WEEE), and in jurisdictions adopting that Directive, is marked as being put on the market after August 13, 2005, and should not be disposed of as unsorted municipal waste. Please utilize your local WEEE collection facilities in the disposition of this product and otherwise observe all applicable requirements.

CE Declaration of Conformity

This instrument meets the requirements of 2006/95/EC Low Voltage Directive and 2004/108/EC Electromagnetic Compatibility Directive with the following standards.

Low Voltage Directive

- EN61010-1: 2001

EMC Directive

- EN 61000-3-2: 2006

- EN 61000-3-3: 1995+A1: 2001+A2: 2005

- EN 61000-4-2 / -3 / -4 / -5 / -6 / -11

- EN 61326-1: 2006

Safety Symb ols

Refer to the user manual for warning informat ion damage to instrument.

On (Supply). This is the AC mains instrument.

Off (Supply). This is the AC mains instrument.

to avoid hazard or personal injury and prevent

Electric Shock hazard

connect/disconnect switch on the front of the

Direct current

Alternating current

Fuse Symbol

Chassis (earth ground) symb o l

Ground terminal

Protective earth ground

CAUTION indicates a hazardous situation which, if not avoided, will result in minor or moderate injury

WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury

DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.

Table of Contents

Safety Summary ................................................................................................... i

Compliance Statements .............................................................................................................. vi

Safety Symbo ls .......................................................................................................................... viii

1 General Information ..................................................................................... 1

1.1 Product Overview ............................................................................................................. 1

1.2 Package Contents ............................................................................................................. 2

1.3 Product Dimensions ......................................................................................................... 2

1.4 Rackmount Installation..................................................................................................... 3

1.5 Front Panel Overview ....................................................................................................... 4

1.6 Rear Panel Overview ........................................................................................................ 5

1.7 Keypad Overview .............................................................................................................. 6

Keypad Description ................................................................................................................. 6

1.8 Display Overview .............................................................................................................. 7

Display Description .................................................................................................................. 7

2 Getting Started ............................................................................................. 8

2.1 Input Power and Fuse Requirements ............................................................................... 8

Input Power ............................................................................................................................. 8

Fuse Requirements .................................................................................................................. 9

2.2 Line Voltag e Selectio n ...................................................................................................... 9

2.3 Output Connections ....................................................................................................... 11

2.4 Preliminary Check ........................................................................................................... 11

Self-test Errors ....................................................................................................................... 12

Output Check ......................................................................................................................... 12

Check Model and Firmware Version ..................................................................................... 14

3 Front Panel Operation ................................................................................ 15

3.1 MENU ............................................................................................................................. 15

Output Power-On State ......................................................................................................... 16

Beeper On/Off ....................................................................................................................... 16

Baud Rate .............................................................................................................................. 16

Memory Group ...................................................................................................................... 17

Combined Series and Parallel Modes .................................................................................... 17

Tracking Mode ...................................................................................................................... 20

3.2 Limit Vol t age Protecti on ( LVP) ........................................................................................ 21

3.3 Setting Voltage and Current ........................................................................................... 22

3.4 Save and Recall ............................................................................................................... 22

Select Memory Group ........................................................................................................... 23

Save Settings ......................................................................................................................... 23

Recall Settings ....................................................................................................................... 23

3.5 Key Lock .......................................................................................................................... 24

4 Protections ................................................................................................. 25

Over Temperature Protection ................................................................................................... 25

Over Voltage Protection (OVP).................................................................................................. 25

5 Remote Operation ...................................................................................... 26

Communication cables .............................................................................................................. 26

USB to TTL Adapter IT-E132B ................................................................................................ 26

RS-232 Settings ......................................................................................................................... 27

6 Remote Comm and s .................................................................................... 28

7 Troubleshooting Guide ............................................................................... 29

General .................................................................................................................................. 29

Remote Control ..................................................................................................................... 29

8 Specifications ............................................................................................. 30

9 Calibration .................................................................................................. 32

SERVICE INFORMATION ..................................................................................... 33

LIMITED THREE-YEAR WARRANTY ..................................................................... 34

1 General Information

1.1 Product Overview

The 9129B is a fully Programmable Triple Output DC Po wer Supply delivering 0-30V/ 0-3A on channels 1 and 2 and 0-5V/0-3A on channel 3. Each output can be adjusted independently and they can be connected (CH1 and CH2) in series or parallel to produce higher voltages or currents. The front panel keys and the encoder knob pr o v i d e efficien t options to adjust the voltage and current of any of the three outputs, enable or disable parallel, series or tracking mode, store and recall operating states an d enable/disable individual outputs.

Features:

• 3 Independent, fully programmable and electrically isolated outputs

• Series or parallel operation (CH1 and CH2)

• Simultaneous voltage and current display for all channels

• High accuracy, resolution and stability

• Low ripple and noise

• Save/Recall up to 27 instrument settings

• High programming and readback resolution

• High visibility VFD display

• Easy-to-use interface with numerical keypad, cursors, and rotary knob

• Compact form factor (2U)

• SCPI-compliant remote protocols

• Over Voltage protection (OVP) and Over Temperature Protection

• Remote interface via USB (virtual com via TTL/USB adapter)

1.2 Package Contents

Please inspect the instrument mechanically and electrically upon receiving it. Unpack all items from the shipping carton, and check for any obvious signs of physical damage that may have occurred during transportation. Report any damage to the shipping agent immediately. Save the original packing carton for possible future resh ip men t. Every power supply is sh i pped with the follo wing contents:

• 1 x 9129B Power Supply

• 1 x AC Power Cord

• 1 x Certificate of Calibration

• 1 x Test Report

• 1 x TTL to USB serial adapter IT-E132B

Verify that all items above are included in the shipping container. If anything is missing, please contact B&K Precision.

1.3 Product Dimensions

The 9129B power supply dimensions are approximately 214.5 mm (8.44 in) x 88.2 mm (3.47 in) x 376.6 mm (14.8268 in) (W x H x D).

Note: All dimensions in the figures below are measured in millimeters (mm).

1.4 Rackmount Installation

The instrument can be installed in a standard 19-inch rack using the optional IT-E151 rackmount kit. Below is an image of a 9200 Series model installed with the IT-E151 rackmount kit.

Note: Remove the carrying handle and the two plastic ears before mounting the instrument. To

remove the handle, grasp the handle by its sides, pull outwards, and rotate it until the arrow on the handle and the arrow on the plastic ears are in opposite directions. Then pull the handle outward. After removing the handle, you can use a screwdriver to remove the two plastic ears.

To rackmount a single instrument, order r a ck m ount kit IT-E151

To rackmount two instruments si de-by-side, order rackmount kit IT-E151, the front cover panel is not needed.

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