PCB Piezotronics 482C27 Guía

The information contained in this document supersedes all similar information that

may be found elsewhere in this manual.

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 ensure 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 ensure that your

returned materials are handled in the

most expedient manner. Before

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

Service, Repair, and Return

Policies and Instructions

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.

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: D

ECN: 46162

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.



PCB PIEZOTRONICS, INC. 3425 WALDEN AVENUE DEPEW, NY 14043-2495 PHONE 716-684-0001 FAX 716-684-0987

®ICP is a registered trademark of PCB Group, Inc. KS398

Manual Number: 43265

Manual Revision: D

ECO Number: 49597

SIGNAL CONDITIONER

Model 482C27

GENERAL OPERATION

MANUAL

For powering differential voltage MEMS, single ended MEMS and bridge (quarter, full, half)

sensors, this signal conditioner provides an effective method for managing small numbers of sensor

channels. A simple command set, entered through industry standard interface, allows the user to

generate powerful application-specific programs to automate system testing. A front panel interface

is provided for easy control and operation. This conditioner also includes ICP® power.

Table of Contents

Table of Contents i

1-0. INTRODUCTION AND SPECIFICATIONS 1

1-1. Introduction: Safety Considerations 1

1-2. Model 482C27 System Description 2

1-2.1 Model 482C27 ICP®Input/Output Mode 2

1-3. Block Diagram 3

1-4. Installation 3

1-4.1 Grounding Techniques 3

1-4.2 Quick Set-up Instructions 4

1-5. Operation: Standard AC Line 7

1-6. Maintenance and Repair 7

2-0. FRONT PANEL MODULE CONTROL 7

2-1. Introduction 7

2-2. Unit Initialization 7

The factory defaults are: 7

2-3. Main Menu Format 7

2-4. Submenu Format and Command Selections 8

3-0. THEORY OF OPERATION 19

3-1. Sensor Excitation 19

3-2. Input Protection 20

3-3. Input Fault Detection 20

3-4. Input Interface 20

3-5. Normalized Output Sensitivity 20

3.6 Auto Scaling and Overload Detection 21

3-6.1 Auto Scale 21

3-6.2 Overload 21

3-7. Connector Configuration 22

3-8. Channel Input Mode Selection 22

3-9. Bridge/Differential/RSE/NRSE Sensor Connection 22

3-10. RS-232 & Ethernet connections 22

3-11. Non-Volatile Memory 22

3-12. Transducer Electronic Data Sheet (TEDS) Interface: 22

4-0. COMPUTER INTERFACE PROGRAMMING GUIDE 23

MULTICHANNEL SIGNAL CONDITIONER MODEL 482C27 GENERAL OPERATION MANUAL

4-1. Introduction 23

4-2. RS-232 23

4-3. RS-232 Host Set-Up 23

4-4. RS-232 Rear Panel Pinout Listing 23

4-5. Ethernet Communication 23

4-6. Model 482C27 Communication Guidelines 30

4-7. Model 482C27 Unit Initialization Procedure 30

4-8. Command Summary 30

4-9. Command Format 31

4-10. Commands 32

GAIN 32

SENS 32

FSCI 32

FSCO 33

INPT 33

IEXC 34

VEXC 34

FLTR 35

OFLT 35

CLMP 36

CPLG 36

SWOT 36

CALB 37

RTED 37

ALLC 38

RBIA 38

CHRD 38

STUS 39

UNIT 39

UNID 40

AZZR 41

LEDS 41

RSET 41

AUTR 42

MULTICHANNEL SIGNAL CONDITIONER MODEL 482C27 GENERAL OPERATION MANUAL

iii

SAVS 42

Communication Responses 43

5-0. Wiring Information 44

5-1. Differential Voltage & Full Bridge Mode 44

5-2. Half Bridge Mode 45

5-3. Quarter Bridge Mode 46

5-4. RSE / NRSE Mode for 3 Wire Sensors 46

5-5. Connection of Triaxial Sensors 47

Figure 1 Typical Block Diagram of Model 482C27.............................................3

Figure 2 ICP®Sensor Excitation........................................................................19

Figure 3 Input Fault Window Comparator with LED Indicator .......................20

Figure 4 Input Amplifier Configuration.............................................................20

Figure 5 Autoscale/Overload Window Comparator........................................21

Figure 6 Differential Voltage/Full Bridge Type Sensor Connection...............44

Figure 7 Alternate Connections for Differential Voltage/Full Bridge Type

Sensors........................................................................................................45

Figure 8 Recommended Connections for Half Bridge Type Sensors ...........45

Figure 9 Recommended Connections for Quarter Bridge Type Sensors.....46

Figure 10 Recommended Connections for 3 Wire Type Sensor....................46

Figure A1 Settings for Differential MEMS Sensors…………………………….47

Figure A2 Settings for Single Ended MEMS Sensors....................................48

MULTICHANNEL SIGNAL CONDITIONER MODEL 482C27 GENERAL OPERATION MANUAL

1-0. INTRODUCTION AND SPECIFICATIONS

1-1. Introduction: Safety Considerations

WARNING SYMBOLS AND TERMS

The following symbols and terms may be found on the equipment described in this manual.

This symbol on the unit indicates that the user should refer to the operating instructions located in the manual.

This symbol on the unit indicates that high voltage may be present. Use standard safety precautions to avoid

personal contact with this voltage.

This symbol indicates that the test fixture, Model 482C, must be connected to earth ground via the power cord.

The WARNING heading used in this manual explains dangers that might result in personal injury or death. Always

read the associated information very carefully before performing the indicated procedure.

The Caution heading used in this manual explains hazards that could damage the instrument.

WARNING 1: The power supply/signal conditioner should not be opened by anyone other than qualified service

personnel. This product is intended for service 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 Electro Static Discharge (ESD) 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 to 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 that is typically present in normal situations.

MULTICHANNEL SIGNAL CONDITIONER MODEL 482C27 GENERAL OPERATION MANUAL

EQUIPMENT RATINGS

For complete specifications, please refer to the product spec sheet. This equipment operates optimally at +32 to +120°F

(0 to +50°C), in an environment having <85% relative humidity. The line power frequency range is 50/60 Hz.

482C27 requires 10-15 VDC with 500 mA to operate. The unit receives power from a supplied 12 VDC universal AC

power adaptor.

1-2. Model 482C27 System Description

Model 482C27 is a four-channel, bench top signal conditioner that offers low noise operation and simplicity of use.

Each channel is selectable between several input types: Differential Voltage, Non-referenced Single Ended (NRSE),

Referenced Single Ended (RSE), ICP®, Voltage, Bridge (full, half and quarter). NOTE –NRSE and RSE input modes

are for 3-wire sensors that have separate power and signal output connections and a ground connection.

For NRSE, RSE, differential voltage and bridge modes this model offers up to 12 VDC unipolar or bipolar excitation

voltage. These input modes feature incremental gain of x0.1 to x2000, normalization, shunt calibration and AC/DC

coupling. In DC coupled mode, auto balance and auto zero functions automatically compensate the internal circuitry to

provide a zero based output.

The two main input modes for MEMS sensors are:

Differential Voltage –Main use is with MEMS sensors that have a differential output. Sensor examples are PCB model

series 3501, 3503, 3641, 3651, 3741 and 3991.

Referenced Single Ended –Main use is with MEMS sensors that have a single ended output. Sensor examples are PCB

model series 3711 and 3713.

The bridge inputs are compatible with full, ½ and ¼ bridge sensors. Internal switchable bridge completion resistors are

included in the unit (resistance value of 350Ω). The maximum current available is 30mA, with a current limit set at

40mA to prevent damage from inadvertent shorting.

For the ICP® inputs, the model offers up to 20 mA of constant current excitation to power ICP® sensors or in-line

ICP® charge converters. The ICP® and Voltage input feature incremental gain of x.1 to x200, normalization, and

AC/DC coupling. In DC coupled mode, an auto zero function is available to automatically compensate the internal

circuitry to provide a zero based output. In Voltage input mode current excitation is set to 0 mA (off).

Model 482C27 offers the following:

Compatible with PCB’s line of MEMS DC accelerometers (model series 3711, 3713, 3501, 3503, 3741, 3991)

Provides power for ICP® sensors

Compatible with full, ½, and ¼ bridge sensors

Suitable for conditioning any voltage input signals

AC/DC coupling selectable per channel

Auto zero and Auto balance functions

Gain of 0.1 to 2000 for bridge inputs

Gain of 0.1 to 200 for ICP®/voltage inputs

Keypad and menu-driven dot matrix display

Computer control via either RS-232 or Ethernet using the supplied PCB software

1-2.1 Model 482C27 ICP®Input/Output Mode

482C27 contains a regulated 24 VDC power supply that provides constant current for up to 4 individual channels. Both

the output and input connections utilize BNC connectors and are brought out through the rear panel. The 8-pin DIN

connectors are NOT used in ICP® mode.

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