PCB Piezotronics Y482B06 Manuel utilisateur

Model Y482B06

Line Powered Signal Conditioner for ICP® Sensors

Installation and Operating Manual

For assistance with the operation of this product,

contact PCB Piezotronics, Inc.

Toll-free: 800-828-8840

24-hour SensorLine: 716-684-0001

Fax: 716-684-0987

E-mail: [email protected]

Web: www.pcb.com

The information contained in this document supersedes all similar information that

may be found elsewhere in this manual.

Total Customer Satisfaction –PCB

Piezotronics guarantees Total Customer

Satisfaction. If, at any time, for any

reason, you are not completely satisfied

with any PCB product, PCB will repair,

replace, or exchange it at no charge.

You may also choose to have your

purchase price refunded in lieu of the

repair, replacement, or exchange of the

product.

Service –Due to the sophisticated

nature of the sensors and associated

instrumentation provided by PCB

Piezotronics, user servicing or repair is

not recommended and, if attempted,

may void the factory warranty. Routine

maintenance, such as the cleaning of

electrical connectors, housings, and

mounting surfaces with solutions and

techniques that will not harm the

physical material of construction, is

acceptable. Caution should be observed

to insure that liquids are not permitted to

migrate into devices that are not

hermetically sealed. Such devices

should only be wiped with a dampened

cloth and never submerged or have

liquids poured upon them.

Repair –In the event that equipment

becomes damaged or ceases to

operate, arrangements should be made

to return the equipment to PCB

Piezotronics for repair. User servicing or

repair is not recommended and, if

attempted, may void the factory

warranty.

Calibration –Routine calibration of

sensors and associated instrumentation

is recommended as this helps build

confidence in measurement accuracy

and acquired data. Equipment

calibration cycles are typically

established by the users own quality

regimen. When in doubt about a

calibration cycle, a good “rule of thumb”

is to recalibrate on an annual basis. It is

also good practice to recalibrate after

exposure to any severe temperature

extreme, shock, load, or other

environmental influence, or prior to any

critical test.

PCB Piezotronics maintains an ISO-

9001 certified metrology laboratory and

offers calibration services, which are

accredited by A2LA to ISO/IEC 17025,

with full traceability to SI through

N.I.S.T. In addition to the normally

supplied calibration, special testing is

also available, such as: sensitivity at

elevated or cryogenic temperatures,

phase response, extended high or low

frequency response, extended range,

leak testing, hydrostatic pressure

testing, and others. For information on

standard recalibration services or

special testing, contact your local PCB

Piezotronics distributor, sales

representative, or factory customer

service representative.

Returning Equipment –Following

these procedures will insure that your

returned materials are handled in the

most expedient manner. Before

Warranty, Service, Repair, and

Return Policies and Instructions

returning any equipment to PCB

Piezotronics, contact your local

distributor, sales representative, or

factory customer service representative

to obtain a Return Warranty, Service,

Repair, and Return Policies and

Instructions Materials Authorization

(RMA) Number. This RMA number

should be clearly marked on the outside

of all package(s) and on the packing

list(s) accompanying the shipment. A

detailed account of the nature of the

problem(s) being experienced with the

equipment should also be included

inside the package(s) containing any

returned materials.

A Purchase Order, included with the

returned materials, will expedite the

turn-around of serviced equipment. It is

recommended to include authorization

on the Purchase Order for PCB to

proceed with any repairs, as long as

they do not exceed 50% of the

replacement cost of the returned

item(s). PCB will provide a price

quotation or replacement

recommendation for any item whose

repair costs would exceed 50% of

replacement cost, or any item that is not

economically feasible to repair. For

routine calibration services, the

Purchase Order should include

authorization to proceed and return at

current pricing, which can be obtained

from a factory customer service

representative.

Warranty –All equipment and repair

services provided by PCB Piezotronics,

Inc. are covered by a limited warranty

against defective material and

workmanship for a period of one year

from date of original purchase. Contact

PCB for a complete statement of our

warranty. Expendable items, such as

batteries and mounting hardware, are

not covered by warranty. Mechanical

damage to equipment due to improper

use is not covered by warranty.

Electronic circuitry failure caused by the

introduction of unregulated or improper

excitation power or electrostatic

discharge is not covered by warranty.

Contact Information –International

customers should direct all inquiries to

their local distributor or sales office. A

complete list of distributors and offices

can be found at www.pcb.com.

Customers within the United States may

contact their local sales representative

or a factory customer service

representative. A complete list of sales

representatives can be found at

www.pcb.com. Toll-free telephone

numbers for a factory customer service

representative, in the division

responsible for this product, can be

found on the title page at the front of this

manual. Our ship to address and

general contact numbers are:

PCB Piezotronics, Inc.

3425 Walden Ave.

Depew, NY14043 USA

Toll-free: (800) 828-8840

24-hour SensorLineSM: (716) 684-0001

Website: www.pcb.com

E-mail: [email protected]

PCB工业监视和测量设备 - 中国RoHS2公布表

PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table

部件名称

有害物质

铅(Pb)

汞

(Hg)

镉

(Cd)

六价铬(Cr(VI))

多溴联苯 (PBB)

多溴二苯醚(PBDE)

住房

PCB板

电气连接器

压电晶体

环氧

铁氟龙

电子

厚膜基板

电线

电缆

塑料

焊接

铜合金/黄铜

本表格依据 SJ/T 11364 的规定编制。

O：表示该有害物质在该部件所有均质材料中的含量均在 GB/T 26572 规定的限量要求以下。

X：表示该有害物质至少在该部件的某一均质材料中的含量超出 GB/T 26572 规定的限量要求。

铅是欧洲RoHS指令2011/65/ EU附件三和附件四目前由于允许的豁免。

CHINA RoHS COMPLIANCE

DOCUMENT NUMBER: 21354

DOCUMENT REVISION: C

ECN: 45605

Component Name

Hazardous Substances

Lead

(Pb)

Mercury

(Hg)

Cadmium

(Cd)

Chromium VI

Compounds

(Cr(VI))

Polybrominated

Biphenyls

(PBB)

Polybrominated

Diphenyl

Ethers (PBDE)

Housing

PCB Board

Electrical

Connectors

Piezoelectric

Crystals

Epoxy

Teflon

Electronics

Thick Film

Substrate

Wires

Cables

Plastic

Solder

Copper Alloy/Brass

This table is prepared in accordance with the provisions of SJ/T 11364.

O: Indicates that said hazardous substance contained in all of the homogeneous materials for this part is below the limit

requirement of GB/T 26572.

X: Indicates that said hazardous substance contained in at least one of the homogeneous materials for this part is above

the limit requirement of GB/T 26572.

Lead is present due to allowed exemption in Annex III or Annex IV of the European RoHS Directive 2011/65/EU.

Table of Contents

Table of Contents.................................................................................................................i

Table of Figures...................................................................................................................i

1.0 Introduction and Specifications.....................................................................................1

1.1 Introduction: Safety Considerations..............................................................................1

1.2 Introduction...................................................................................................................1

2.0 Description....................................................................................................................1

3.0 Installation ....................................................................................................................2

4.0 Coupling Time Constant, AC Coupled .........................................................................2

4.1 Driving Long Cables.....................................................................................................3

4.2 Setting the Constant Current.........................................................................................3

5.0 Warranty.......................................................................................................................3

6.0 Maintenance and Repair................................................................................................4

Appendix

Specification Sheet

Outline Drawing

Table of Figures

Figure 1. 482B06 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Figure 2. Fault Monitor Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Figure 3. Constant Current Adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

MODEL 482B06 / F482B06 LINE POWERED SIGNAL CONDITIONER 1

1.0 Introduction and Specifications

Please turn to the end of this manual for a product

specification sheet and outline drawing.

1.1 Introduction: Safety Considerations

WARNING 1: The power supply/signal conditioner

should not be opened by anyone other than qualified

service personnel. This product is intended for use by

qualified personnel who recognize shock hazards and

are familiar with the safety precautions required to avoid

injury.

WARNING 2: This equipment is designed with user

safety in mind; however, the protection provided by the

equipment may be impaired if the equipment is used in a

manner not specified by PCB Piezotronics, Inc.

Caution 1: Cables can kill your equipment. High

voltage electrostatic discharge can damage electrical

devices. Similar to a capacitor, a cable can hold a

charge caused by triboelectric transfer, such as that

which occurs in the following:

 Laying on and moving across a rug.

 Any movement through air.

 The action of rolling out a cable.

 Contact with a non-grounded person.

The solution for product safety: 1) Connect the cables

only with the AC power off. 2) Temporarily “short”the

end of the cable before attaching it to any signal input or

output.

Caution 2: ESD considerations should be made prior to

performing any internal adjustments on the equipment.

Any piece of electronic equipment is vulnerable to ESD

when opened for adjustments. Internal adjustments

should therefore be done ONLY at an ESD-safe work

area. Many products have ESD protection, but the level

of protection may be exceeded by extremely high

voltage.

The Caution heading used in this manual explains

hazards that could damage the instrument.

1.2 Introduction

The Model 482B06 / F482B06 is a single-channel, line-

operated signal conditioner for use with ICP®sensor.

This unit provides a 24VDC, 4mA constant current

excitation to ICP® pressure, force or vibration sensors.

It also decouples the sensor’s DC bias voltage from the

AC measurement signal .

This unit also contains provisions for channel fault

monitoring, as well as a provision for externally varying

the constant current over a 2 to 20 mA range. This

model is factory set at 4 mA. ( Please refer the Model

482B06 / F482B06 specification sheet ).

2.0 Description

The Model 482B06 is powered by a 115V, 50-400Hz

AC line supply and the Model F482B06 by a 230V,50-

400Hz supply. The desired input power is selected by

using a switch located on the base. Other than that, there

is no difference in operation between the 482B06 and

the F482B06.

The rear panel contains one BNC jacks for sensor

INPUT and one BNC jack for signal OUTPUT

connection (refer Figure 3).

The AC measurement signal is decoupled from the

sensor DC bias by a coupling capacitor and brought to

the OUTPUT jack.

The bias or fault meter consists of a color-coded front

panel meter located on the front panel. The fault meter

reflect the measured sensor bias of that channel as being

in either the red, green or yellow. (refer Figure 1 and

section 3.0)

Please refer the sensor data sheet for specific sensor bias

voltage and additional specification.

MODEL 482B06 / F482B06 LINE POWERED SIGNAL CONDITIONER 2

Figure 1: 482B06 Front Panel

3.0 Installation / Operation

See the included Outline Drawing for outline

dimensions, as well as jack and control locations. Plug

the supplied Model 017 AC line power cord into the IEC

320 AC power input connector located on the rear panel

of the Model 482B06/ F482B06.

Note: First make sure the selector switch located on

the base of the unit, is selected to the appropriate line

voltage of 115VAC for the 482B06 or 230VAC for

the F482B06.

Plug the three-wire line cord into a source of 115 VAC,

50-400 Hz power and turn on the power switch located

on the front panel of the Model 482B06. (Note : For

Model F482B06 use a 230VAC, 50-400 Hz source)

With nothing connected to the INPUT connector. The

front panel bias indicator/fault meter indicates full scale

(yellow), which corresponds to open circuit power

supply voltage. See Figure 1.

Meter Reading Yellow Green Red

Condition Open Ok Short

Figure 2: Fault Monitor Table

With an ICP®sensor (or in-line amplifier) connected to

the INPUT jack. The front monitor meter indicates

approximately midscale (green) if the sensor or amplifier

is functioning properly. (This reflect a typical bias of 8

to 12 volts. It does not read midscale if the transducer

bias is 3 to 5 volts and may be closer to red which is

expected for low bias sensors.)

If a cable is faulty (open), or the sensor's built-in

amplifier is open, the meter indicates a yellow (full

scale) reading. When a cable or sensor is shorted, the

meter indicates zero volts (red).

Connect the output jack to a read out instrument.

Immediately after connecting a readout instrument

(oscilloscope, meter, or recorder) to the OUTPUT jack,

the coupling capacitor begins charging through the input

resistance of the readout instrument. This charging

causes an apparent "drifting" of the output signal until

the capacitor is fully charged. The normal amount of

leakage through the coupling capacitor usually results in

a <30 mV maximum DC offset. After the system settles

out excite the sensor and proceed with making

measurements.

4.0 Coupling Time Constant, AC Coupled

The coupling time constant (TC) is the product of the

conditioner’s coupling capacitor (47 µF) and the input

resistance of the readout instrument, in parallel with the

274 kilohm shunt resistor. Typically, this is ten seconds,

assuming the input resistance of the readout

measurement is one megohm.

In most cases, it is desirable to keep the coupling TC

long, with respect to the sensor discharge TC, to

minimize the effect of the coupling TC on low frequency

response.

MODEL 482B06 / F482B06 LINE POWERED SIGNAL CONDITIONER 3

4.1 Driving Long Cables

When driving long cables, it may be necessary to

increase the constant-current drive to the sensor. The

Model 482B06 / F482B06 Power Unit is normally

supplied with the constant current output to the sensor

set at 4 mA nominal. This is adequate for most

laboratory and field applications. Special situations,

such as driving long cables (beyond 100 ft) with high

frequency or fast rise time pulses, may require

increasing the drive current to higher current levels (20

mA max).

When driving fast rise time pulses over long lines,

system performance may be optimized by "tuning" the

drive current to the line; i.e., by finding the best current

setting for the particular set of physical parameters

established by the sensor, line length, line termination,

pulse rise time, etc.

The optimum current setting is best determined by

experimentation with your particular test setup. A good

rule of thumb is to use the lowest current consistent with

satisfactory results to minimize sensor self-heating and

noise.

Another technique requires the use of the Model 073A

Impedance Matching Resistor connected immediately

after the sensor. This variable resistor is then used to

"tune" the current to the line. One of the best approaches

is to test the long line with a signal generator set at a

frequency of interest.

4.2 Setting the Constant Current

To set the constant current, locate the current adjust

potentiometer on the rear panel (as shown in Figure 3).

Connect a 0 to 30 mA DC ammeter (or multimeter) to

the INPUT jack. The constant current value is read

directly on the ammeter. Using a small regular

screwdriver, vary the setting of the current adjust pot to

set the current at a new level.

CAUTION: It may be possible to exceed 20 mA

slightly. Do not do so; as operation of an ICP®sensor or

amplifier above 20 mA may damage the equipment.

5.0 Warranty

PCB offers an unconditional guarantee for customer

satisfaction. PCB strives to provide superior, unmatched

customer service. Should you at any time find yourself

dissatisfied with any PCB product for any reason,

consult a PCB application engineer to discuss repair,

refund, or exchange procedures.

PCB instrumentation is warranted against defective

material and workmanship for one year unless otherwise

Figure 3: Constant Current Adjust

MODEL 482B06 / F482B06 LINE POWERED SIGNAL CONDITIONER 4

expressly specified. Damage to instruments caused by

incorrect power or misapplication is not covered by

warranty. If there are any questions regarding power,

intended application, or general usage, please contact a

PCB application engineer (or your local sales contact).

6.0 Maintenance and Repair

Because of the sophisticated nature of PCB

instrumentation, field repair of the equipment is not

recommended. Most PCB sensors are of modular

construction and are factory repairable. A repair or

replacement quotation is available at no charge. Before

returning equipment for repair, it is strongly suggested

that the user confer with a factory application engineer

(or local sales contact) concerning the difficulty and to

ascertain if an on-site procedure rectifies the problem.

If repair is indicated, contact PCB to request a Return

Materials Authorization (RMA) number from the

factory. An advanced authorization to proceed with the

repair, permitting charges of up to 50% of a new item,

greatly expedites repair.

For the most efficient service, please provide a detailed,

written description of the malfunction encountered with

the returned equipment, together with your specific

application and setup procedures. Customers outside the

U.S. should consult their local sales contact for

information on returning equipment. For exceptions,

please contact the International Sales Department at

PCB to request shipping instructions and an RMA. For

assistance, please call (716) 684-0001, or fax us at (716)

684-0987. You may also receive assistance via email at

[email protected] or our web site at www.pcb.com.

MANUAL NUMBER: 19181

MANUAL REVISION: NR

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