PCB Piezotronics IMI SENSORS EX686B74 Bedienungsanleitung

Model EX686B74

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

Manual 21354 Rev E

ECN 50523

Repair and Maintenance

PCB guarantees Total Customer Satisfaction through its

“Lifetime Warranty Plus” on all Platinum Stock Products

sold by PCB and through its limited warranties on all other

PCB Stock, Standard and Special products. Due to the

sophisticated nature of our sensors and associated

instrumentation, field servicing and repair is not

recommended and, if attempted, will void the factory

warranty.

Beyond routine calibration and battery replacements

where applicable, our products require no user

maintenance. Clean electrical connectors, housings, and

mounting surfaces with solutions and techniques that will

not harm the material of construction. Observe caution

when using liquids near devices that are not hermetically

sealed. Such devices should only be wiped with a

dampened cloth—never saturated or submerged.

In the event that equipment becomes damaged or ceases

to operate, our Application Engineers are here to support

your troubleshooting efforts 24 hours a day, 7 days a

week. Call or email with model and serial number as well

as a brief description of the problem.

Calibration

Routine calibration of sensors and associated

instrumentation is necessary to maintain measurement

accuracy. We recommend calibrating on an annual basis,

after exposure to any extreme environmental influence,

or prior to any critical test.

PCB Piezotronics is an ISO-9001 certified company whose

calibration services are accredited by A2LA to ISO/IEC

17025, with full traceability to SI through N.I.S.T. In

addition to our standard calibration services, we also offer

specialized tests, including: sensitivity at elevated or

cryogenic temperatures, phase response, extended high

or low frequency response, extended range, leak testing,

hydrostatic pressure testing, and others. For more

information, contact your local PCB Piezotronics

distributor, sales representative, or factory customer

service representative.

Returning Equipment

If factory repair is required, our representatives will

provide you with a Return Material Authorization (RMA)

number, which we use to reference any information you

have already provided and expedite the repair process.

This number should be clearly marked on the outside of

all returned package(s) and on any packing list(s)

accompanying the shipment.

Contact Information

PCB Piezotronics, Inc.

3425 Walden Ave.

Depew, NY14043 USA

Toll-free: (800) 828-8840

24-hour SensorLine: (716) 684-0001

General inquiries: in[email protected]

Repair inquiries: rma@pcb.com

For a complete list of distributors, global offices and sales

representatives, visit our website, www.pcb.com.

Safety Considerations

This product is intended for use by qualified personnel

who recognize shock hazards and are familiar with the

precautions required to avoid injury. While our equipment

is designed with user safety in mind, the protection

provided by the equipment may be impaired if equipment

is used in a manner not specified by this manual.

Discontinue use and contact our 24-Hour Sensorline if:

Assistance is needed to safely operate equipment

Damage is visible or suspected

Equipment fails or malfunctions

For complete equipment ratings, refer to the enclosed

specification sheet for your product.

Definition of Terms and Symbols

The following symbols may be used in this manual:

DANGER

Indicates an immediate hazardous

situation, which, if not avoided, may

result in death or serious injury.

Manual 21354 Rev E

ECN 50523

CAUTION

Refers to hazards that could damage

the instrument.

NOTE

Indicates tips, recommendations and

important information. The notes

simplify processes and contain

additional information on particular

operating steps.

The following symbols may be found on the equipment

described in this 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 on the unit indicates that

the user should refer to the operating

instructions located in the manual.

This symbol indicates safety, earth

ground.

Manual 21354 Rev E

ECN 50523

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

Manual 21354 Rev E

ECN 50523

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

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