PCB Piezotronics IMI SENSORS EX685A09 Bedienungsanleitung

Model EX685A09

Intrinsically safe, linear adjust mechanical switch, 0 to 7 g’s, 0 to 100 Hz, pushbutton reset

Installation and Operating Manual

For assistance with the operation of this product,

contact the 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.

SENSORS AND INSTRUMENTATION FOR MACHINE CONDITION MONITORING

Model EX685A09/685A19/29/39 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: 77919

MANUAL REVISION: NR

ECN NUMBER:

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 patented 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 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

- EX685A19: 24VDC Remote Reset

- EX685A29: 120VAC Remote Reset

- EX685A39: 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.

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 EX685A19, EX685A29 and EX685A39 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:

EX685A19 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.

EX685A29 Only – A 120VAC power supply is needed to remotely reset the switch by energizing a solenoid. Upon

applying 120VAC to the solenoid, the unit will need 184mA to energize the remote reset coil. At standard ambient

temperature, the solenoid has a 25% “on” 75% “off” cycle.

Maximum allowed On Time ( remote reset energized ) versus minimum Off Time ( remote reset de-energized )

On Time ( 25% )

Off Time ( 75% )

Total Time ( 100% )

4 Minutes ( Max )

12 Minutes

16 Minutes

2 Minutes

6 Minutes

8 Minutes

1 Minute

3 Minutes

4 Minutes

30 seconds

1.5 Minutes

2 Minutes

Remote

Reset

Terminal

Chassis

Screw

Terminal

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