PCB Piezotronics IMI SENSORS 685A09 Manuale utente

Model 685A09

Mechanical 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.

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Model 685A09/685A19/29/39 Mechanical Vibration Switch

Operating Guide

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: 56534

MANUAL REVISION: A

ECN NUMBER: 43636

PAGE 2

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Table of Contents

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

General Features

Warning

Installation....................................................................................................................... Page 4

Internal Switches............................................................................................................. Page 4

Remote Reset and Power On Delay ............................................................................ Page 5-6

Setting Up The Switch.................................................................................................. Page 6-7

Typical Installation Locations........................................................................................ Page 8-9

PAGE 3

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Introduction

The Mechanical Vibration Switch is a shock sensitive mechanism for shutdown of engine or electric motor

powered equipment. This switch uses a patent pending linear adjustment magnetic latch technology to ensure

reliable operation. Pushing the reset button moves the tripping latch into a magnetically held position. A

shock/vibration will move the magnet beyond this holding position, thus freeing the spring loaded tripping latch to

transfer the contacts and shut down the machinery.

General Features

Designed to Detect Shock/Vibration in 3 Planes of Motion

Fully Adjustable, with patent pending linear adjustment technology

Includes Magnetic Latching Feature

Accommodates normally open (NO) and normally closed (NC) wiring schemes

Manual Reset Button

IP66 rated enclosure

Remote Reset

-685A19: 24VDC Remote Reset

-685A29: 120VAC Remote Reset

-685A39: 240VAC Remote Reset

Top cover is secured with socket head cap screws for easy access to wiring terminals

WARNING

AC and DC input signals and power supply voltages could be hazardous.

- DO NOT connect live wires to screw terminal plugs

- DO NOT insert, remove, or handle screw terminal plugs with live wires connected

- DO NOT make any adjustments to the setpoint with live wires present

- DO NOT open the unit if machine is powered or running

- DO NOT open the unit if the Relays are energized

- DO NOT open the unit if the Reset Coil is energized

- DO NOT make any adjustments if machine is energized and/or power is present

anywhere in the switch.

BEFORE BEGINNING INSTALLATION OF THIS IMI PRODUCT:

Stop the machine.

Disconnect all electrical power to the machine.

Make sure the machine cannot operate during installation by following proper lock out tag out procedures.

Follow all safety warnings of the machine manufacturer.

Read and follow all installation instructions.

PAGE 4

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Installation:

The vibration switch is sensitive to shock and vibration in all three planes of motion –up/down, front/back and

side/side. Side/side (in the same plane as the reset pushbutton) is the most sensitive. For maximum sensitivity,

mount the unit so that the side with the reset button is in-line with the direction of rotation of the machine.

The vibration switch must be firmly attached/mounted to the machine so that all mounting surfaces are in rigid

contact with the mounting surface of the machine. For best results, mount the instrument in-line with the direction

of rotating shafts and/or near bearings. In other words, the reset push button should be mounted pointing into the

direction of shaft rotation. It may be necessary to provide a mounting plate or bracket to attach the 685Ax9 to the

machine. The mounting bracket should be thick enough to prevent induced acceleration/vibration upon the 685x9.

Typically 1/2 in. (13mm) thick plate is sufficient.

CAUTION: A dust boot is provided on the reset pushbutton for all series to prevent moisture or dust intrusion. The

sensitivity adjustment has an o-ring compression seal; if possible, the mounting orientation should be on a

horizontal plane or with the sensitivity adjustment pointing down if possible.

1) Firmly secure the unit to the equipment using the base foot mount.

2) Make the necessary electrical connections to the vibration switch. See Internal Switches in the next section

for electrical terminal locations and for typical wiring. DO NOT EXCEED VOLTAGE OR CURRENT RATINGS

OF THE CONTACTS. Follow appropriate electrical codes/methods when making electrical connections. Be

sure that the run of electrical cable is secured to the machine and is well insulated from electrical shorting.

Use of conduit is recommended.

NOTE: If the electrical cable crosses a pivot point such as at the pivot of the walking beam, be sure to

allow enough slack in the cable so that no stress is placed on the cable when the beam moves.

If conduit is not used for the entire length of wiring, conduit should be used from the electrical supply box to a

height above ground level that prevents damage to the exposed cable from the elements, rodents, etc. or as

otherwise required by applicable electrical codes. If conduit is not attached directly to the switch, use a strain relief

bushing and a weatherproof cap on the exposed end of the conduit. A “drip loop” should be provided in the cable

to prevent moisture from draining down the cable into the conduit should the weatherproof cap fail.

Internal Switches

The vibration switch uses 2 SPDT switch terminals with removable screws for all connections (see below).Wire

the relays depending on application, either Normally Open or Normally Closed. The Normally Open and Normally

Closed are referenced to the Common screw terminal connector.

WARNING: Do not exceed the maximum relay ratings as noted below.

Rated

Voltage

Resistive

Load

Inductive

Load

Motor, Lamp Load

N.C

N.O

AC 125V

15A

10A

AC 250V

15A

10A

1.5A

AC 480V

DC 8V

15A

DC 14V

15A

10A

DC 30V

DC 125V

0.5A

0.05A

DC 250V

0.25A

0.03A

PAGE 5

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Remote Reset and Power On Delay

Models 685A19, 685A29 and 685A39 have provisions to reset the switch remotely. The vibration switch can be

remotely reset after being tripped by applying the correct voltage across the reset terminal as shown below.

NOTE: There is no positive/negative polarity needed for the wiring.

NOTE: While the power is applied to the remote reset terminals, the switch cannot be tripped.

Power On Delay:

685A19 Only –A 24VDC power supply is needed to remotely reset the switch by energizing a solenoid. The

24VDC power source must be capable of supplying at least 2A of current. Upon power up, the unit will need the

2A to energize the remote reset coil. Depending on ambient temperature, this will decrease to approximately 0.4A

after 5-10 seconds. After that time, the coil can be energized indefinitely.

To protect the remote reset solenoid from overheating, the unit has a built in thermistor that will limit the coil

current after a certain amount of time. This time is dependent on ambient temperature and if the reset coil was

recently energized. Since the coil needs the peak current only for a short period of time, the thermistor lowers the

current but it is still strong enough to hold the switch in reset mode. Please note that the switch will start

feeling warm to the touch if the remote reset coil is left energized for more than a few minutes.

Remote

Reset

Terminal

Chassis

Screw

Terminal

Indice

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