PCB Piezotronics IMI SENSORS EP686B71 Manuale utente

Model EP686B71

Smart Vibration Switch

Installation and Operating Manual

For assistance with the operation of this product,

contact PCB Piezotronics, Inc.

Toll-free: 800-959-4464

24-hour SensorLine: 716-684-0001

Fax: 716-684-3823

E-mail: [email protected]

Web: www.imi-sensors.com

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.

PAGE 1

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

686-Series Smart Vibration Switch

Operating Guide with Enclosed Warranty Information

3425 Walden Avenue, Depew, New York 14043-2495

Phone (716) 684-0003

Fax (716) 684-3823

Toll Free Line 1-800-959-4IMI

MANUAL NUMBER: 40112

MANUAL REVISION: G

ECO: 49766

ECN NUMBER: 47032

PAGE 2

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Table of Contents

Introduction...................................................................................................................................................... Page 3

General Features

Operating Principles ........................................................................................................................................ Page 4

Benefits of Solid State Relays

Installation........................................................................................................................................................ Page 5

Direct Adhesive Mount

Standard Stud Mount

Adhesive Stud Mount

Magnetic Mount

Wiring............................................................................................................................................................... Page 9

Legend

Indicating a High Level of Vibration in a Motor

Indicating High Levels of Vibration Simultaneously in Series (Such as Fan & Motor)

Constant Siren Alarming in the Event of High Vibration Levels

Two Switches in Parallel to Monitor Two Aces Simultaneously on Same Motor

Three Switches in Parallel to Monitor Three Motors Simultaneously

Automatic Machinery Shutdown Using an External Electromechanical Relay

Automatic Machinery Shutdown Using External Electromechanical Relay While Monitoring 2 Axes

Switch and External Latching for Automatic Machinery Shutdown

Both Alarm Siren and Automatic Machinery Shutdown Using Two Switches

Automatic Machinery Shutdown Based on Normally Open Solid State Relay

Automatic Machinery Shutdown of a Three Phase Electrical Motor Based on a N.O. Solid-State Relay

Programming Software.................................................................................................................................. Page 21

Program Installation

Running the Software

Programming Sections

Reading and Writing Parameters

Parameter Options

Execution of Delays

Magnetically Adjustable Vibration Threshold (MAVT™) .............................................................................. Page 29

MAVT™Procedure

Factory-Programmed Ordering Guide........................................................................................................... Page 30

Battery-Powered Signal Conditioner ............................................................................................................. Page 31

Calibration Cable ........................................................................................................................................... Page 31

Magnet Clip.................................................................................................................................................... Page 31

Cable Ordering Information ........................................................................................................................... Page 32

ESD Sensitivity .............................................................................................................................................. Page 33

Warranty, Service & Return Procedure ......................................................................................................... Page 34

Customer Service .......................................................................................................................................... Page 34

PAGE 3

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Introduction

The 686-Series Smart Vibration Switch is a low-cost electronic vibration switch designed to monitor vibration

levels on rotating machinery (ie. fans and cooling towers) and trip an alarm or shut down machinery when a

specified vibration limit is exceeded. An onboard accelerometer with precision, microprocessor-controlled

electronics ensures reliable operation and accuracy. The switch contains a two-pin MIL connector for easy drop-

in replacement of mechanical vibration switches and a reliable solid state relay. Multiple units can be installed in a

loop configuration for economical installation and expanded protection of critical machinery. This versatile switch

can be used to replace more expensive electronic vibration switches where separate vibration output is not

required and to replace troublesome mechanical vibration switches.

Every Smart Switch is factory-programmed. See Page 28 for more information.

General Features

Fully USB-programmable from any PC (with optional USB Programmer Kit).

Hermetically-sealed, stainless steel housing for use in corrosive environments.

Imbedded piezoelectric accelerometer for improved accuracy and frequency response.

Small footprint and single ¼-28 stud mounting.

Solid state (AC/DC) relay.

Universal AC or DC power.

Magnetically Adjustable Vibration Threshold (MAVT™).

Connects with industry standard MIL-C-5015 connector or integral cable.

Programmable features

oAlarm threshold level

oNormally Open (NO) or Normally Closed (NC) relay

oLatching or non-latching relay

oDelays

Power on

Startup

Operational

oResidual vibration level

Intrinsically-safe versions available (EX prefix)

oCSA

PAGE 4

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Operating Principles

The Smart Switch operates over just two wires. It installs in series with any load (ie. annunciator, PLC or relay

coil). To energize itself, the vibration switch scavenges power from the load’s power source. When the alarm

threshold is exceeded, the switch is activated and the load’s power circuit is completed to facilitate the desired

alarm or shutdown.

Figure 1 –Block Diagram

Benefits of Solid State Relays

A solid state relay is an electronic component that functions in the same way as an electromechanical relay, but

without any moving parts. A solid state relay offers the most reliable switch action, especially for vibration

applications where moving relay components run a greater risk of malfunction. They are purely electronic devices

composed of a low current control side and a high current load side for switching action.

PAGE 5

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Installation

When choosing a mounting method, consider closely the advantages and disadvantages of each technique.

Typical mounting types are stud, direct adhesive, adhesive mounting base and magnetic mounting base.

Note: For a complete list of product specifications, see the “Specification Sheet” and “Outline Drawing” at the end

of this Manual.

Direct Adhesive Mount Procedure

For restrictions of space or for convenience, most sensors (with the exception of integral stud models) can be

adhesive-mounted directly to the machine surface.

Step 1: Prepare a smooth, flat mounting surface. A minimum surface finish of 63 µin (0.0016 mm)

generally works best.

Step 2: Place a small portion of adhesive on the underside of the sensor. Firmly press down on the top of

the assembly to displace any adhesive. Be aware that excessive amounts of adhesive can make sensor

removal difficult.

Figure 2 –Direct Adhesive Mounting

Indice

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