Epro PR 9268/60 Series Manuale

Seventh edition

6140-00006

25 04 06

MMS

DGebrauchsanleitung

Direction for use

PR 9268/60

PR 9268/70

X - X00

©epro GmbH

Jöbkesweg 3

D48599 Gronau

Germany

Telefon: (+49) 02562.709 0 Fax: (+49) 02562.709 255 email: mm[email protected]

All rights are strictly reserved

Reproduction or divulgation in any form whatsoever is not permitted without written authority from epro GmbH

Nachdruck, Vervielfältigung, digitale Verwendung jeglicher Art nur mit schriftlicher Genehmigung der epro GmbH

Issued by epro GmbH

Herausgegeben von epro GmbH

Printed in Germany

Gedruckt in Deutschland

Operating Manual PR 9268/60, PR 9268/70

CONTENTS

1. GENERAL................................................................................................................................... 4

1.1 I

NSTRUCTIONS ON USING THE

PERATING

ANUAL

..................................................................... 4

1.2 E

XPLANATION OF SYMBOLS

........................................................................................................ 4

1.3 L

IABILITY AND GUARANTEE

......................................................................................................... 4

1.4 I

NCOMING GOODS INSPECTION

.................................................................................................... 5

1.5 R

EPAIR AND

AINTENANCE

........................................................................................................ 6

1.6 S

TORAGE AND

RANSPORT

........................................................................................................ 6

1.7 D

EVICE DISPOSAL

...................................................................................................................... 6

1.8 C

ONTACT

.................................................................................................................................. 6

2. SAFETY INSTRUCTIONS .......................................................................................................... 7

2.1 O

WNER

’

S RESPONSIBILITY

......................................................................................................... 7

3. PURPOSE AND APPLICATION................................................................................................. 8

4. TECHNICAL DATA..................................................................................................................... 9

4.1 T

YPES

....................................................................................................................................... 9

4.2 E

XPLOSION PROTECTION

.......................................................................................................... 12

5. HINTS FOR MOUNTING AND INSTALLATION ...................................................................... 13

6. MAINTENANCE, REPAIR AND HINTS FOR FAULT FINDING............................................... 13

7. ALLGEMEINES ........................................................................................................................ 14

7.1 H

INWEISE ZUR

ENUTZUNG DER

EBRAUCHSANLEITUNG

......................................................... 14

7.2 S

YMBOLERKLÄRUNG

................................................................................................................ 14

7.3 H

AFTUNG UND

EWÄHRLEISTUNG

............................................................................................ 14

7.4 W

ARENEINGANGSKONTROLLE

.................................................................................................. 14

7.5 R

EPARATUR UND

ARTUNG

..................................................................................................... 16

7.6 L

AGERUNG UND

RANSPORT

.................................................................................................... 16

7.7 E

NTSORGUNG DES

ERÄTES

................................................................................................... 16

7.8 K

ONTAKT

................................................................................................................................. 16

8. SICHERHEITSHINWEISE ........................................................................................................ 17

8.1 V

ERANTWORTUNG DES

ETREIBERS

......................................................................................... 17

9. ZWECK UND ANWENDUNG ................................................................................................... 18

10. TECHNISCHE DATEN.............................................................................................................. 19

10.1 E

XPLOSIONSSCHUTZ

............................................................................................................ 21

11. MONTAGE- UND ANSCHLUSSHINWEISE............................................................................. 22

12. WARTUNG, REPARATUR UND FEHLERSUCHHINWEISE................................................... 22

13. ABBILDUNGEN........................................................................................................................ 23

Operating Manual PR 9268/60, PR 9268/70

General Seite 4

1. GENERAL

1.1 Instructions on using the Operating Manual

This operating manual contains information concerning the proper and correct use of the

PR 9268/60 and PR 9268/70 bearing vibration sensors.

For correct and safe use of this device, the operating manual must have been read com-

pletely prior to starting installation and operating of the device. In particular, all safety instruc-

tions contained in the manual must be complied with.

Do not provide the device to third parties without including the operating manual.

Please note

For correspondence concerning this device we request that you specify device

type and device number as imprinted on the type plate.

1.2 Explanation of symbols

This symbol identifies text, that contains important information.

Instructions, which, if not followed, result in functional disturbances and incor-

rect measurements, without damaging the machine, are identified with this

symbol.

Safety and warning instructions are identified with this symbol.

Failure to follow such instructions, results in material damage or personal in-

jury.

1.3 Liability and guarantee

epro GmbH is not liable for damage that occurs due to improper use. Proper use also in-

cludes knowledge of, and compliance with this operating manual.

Customer changes to the device that have not been expressly approved by epro, will result in

loss of guarantee.

Due to continuous research and further development, epro has reserved the right to change

technical specifications without notice.

Operating Manual PR 9268/60, PR 9268/70

General Seite 5

1.4 Incoming goods inspection

Check the contents of the shipment to ensure that it is complete, and visibly inspect the

goods to determine if the device may possibly have been damaged during transport. The fol-

lowing parts are included in the scope of delivery and must be included in the shipment:

1. Bearing vibration sensor PR 9268/60 or PR 9268/70

2. Operating manual for installation and use of the sensor

3. Harting socket completely including female contact strip, housing and cover

4. Mounting plate for mechanical adaption to MMG 033 / MMG 1033

5. Mounting set with 5 hexagon socket screws M6 x 20 including washers

6. M20 cable gland

Scope of delivery PR 9268/60, PR 9268/70

If the contents is incomplete, or if any defects are observed, a complaint must be filed with

the carrier immediately. Moreover, the responsible epro sales organization must be informed

to enable repair or replacement of the device. Repairs or calibration that may be required, are

only possible in the epro factory.

In this case a non-detachable tag with customer name and defect observed must be at-

tached to the device.

Address: epro GmbH

Warenannahme Reparatur

Jöbkesweg 3

D-48599 Gronau

Operating Manual PR 9268/60, PR 9268/70

General Seite 6

1.5 Repair and Maintenance

PR 9268 bearing vibration sensors do not require any maintenance during operation.

1.6 Storage and Transport

The devices should only be transported and stored in their factory packaging or equivalent

packaging. Environmental conditions for storage and transport are specified in the technical

data (section “Technical data”).

1.7 Device disposal

If no return or disposal agreements have been made, then after professional dismantling

components must be recycled:

•Scrap metallic material remnants.

•Take plastic elements to plastic recycling facilities.

•Sort the other components for disposal, based on material condition.

The national regulations governing disposal and environmental protection apply.

epro offers all Machine Monitoring Systems (MMS) customers the possibility, of taking back

free of charge the components delivered by epro after their useful life, to dispose of them in a

proper manner.

1.8 Contact

In case of defects please contact:

epro GmbH

Jöbkesweg 3

D 48599 Gronau

Germany

Customer Support

Telefon: +49 (0) 2562.709 236

+49 (0) 2562 709 237

Fax: +49 (0) 2562 709 256

Email: [email protected]

Environmental hazards !

Electrical w

aster and electronic components are subject to treatment as

special waste and should only be disposed by approved specialized

companies.

Operating Manual PR 9268/60, PR 9268/70

Safety instructions Seite 7

2. SAFETY INSTRUCTIONS

The sensors left the factory in perfect condition, relative to technical safety. To maintain this

condition and for hazard-free operation all of the following instructions in this manual must be

followed carefully.

The correct and safe use of this device requires, that operating and service personnel is fa-

miliar with generally valid safety guidelines, complies with them and heeds the special safety

comments that are listed in this manual. Where necessary, points on the device that are

safety-sensitive, are marked.

Because the device is electrical operating material it should only be com-

missioned and operated by instructed personnel. Repair is on possible at

epro.

2.1 Owner’s responsibility

If there is reason to suspect that hazard-free operation, and thus adequate machine protec-

tion is no longer possible, then the device must be taken out of service and safeguarded from

unintentional operation. This is the case

- if the device shows visible damage

- if the device no longer works

- after any type of overload (e.g. storage, transport) that exceeds permissible limits.

Operating Manual PR 9268/60, PR 9268/70

Purpose and application Seite 8

3. PURPOSE AND APPLICATION

The electro-dynamic transducers PR 9268/60 and PR 9268/70 serve the measurement of

absolute vibrations. They operate on the seismic measurement principle. A measuring coil,

suspended on membrane springs, is the seismic mass of the transducer. On operating

above the resonance frequency, the seismic mass will remain at rest. The relative motion be-

tween the transducer housing and the voice coil generates a voltage signal proportional to

the vibration velocity.

Robust construction and a splash-proof housing of stainless steel permit the use of the trans-

ducer in hostile environments with temperatures up to 200°C. As part of the epro - Machine

Monitoring System the transducers are particularly suitable for vibration measurement and

monitoring at machines. The sensitivity of 22.0 mV/(mm/s) enables the transducer to be con-

nected to the epro - Machine Monitoring Systems MMS 6000 and MMS 3000 as well as to

devices of the RMS 700 system.

An electric adaption circuitry in the connector offers another sensitivity of 16.7mV/(mm/s)

thus enabling the use of the transducers PR 9268/60 and PR 9268/70 as replacement for the

MMG 033 / 1033 sensors and for the use with measuring amplifiers of the MMG family such

as MMG 500, MMG 1000 and of the LM-series of the AEG Kanis product range. The selec-

tion of the electric sensitivity is made by using different connection points in the Harting con-

nector (refer also Fig. 4).

The transducer PR 9268/60 is specified for vertical mounting (±60°) and the PR 9268/70 for

horizontal direction (±30°). If the transducer is to be mounted in a direction different to the

set measuring direction, it is recommended using a lifting current according to the angle de-

viation. This lifting current, adjusted correctly regarding value and polarity, lifts resp. drops the

seismic mass to provide symmetrical motion of the measuring coil between the stops.

An adapter plate for the mechanical adaption to holders of MMG 033 / MMG 1033 transduc-

ers is available as standard accessory (see fig. 3).

Operating Manual PR 9268/60, PR 9268/70

Technical Data Seite 9

4. TECHNICAL DATA

4.1 Types

PR 9268/ XX

-XXX

60 Sensor PR 9268 for vertical measuring direction

70 Sensor PR 9268 for horizontal measuring direction

cable length

0 = 3m, 1 = 5m, 2 = 8m, 3 = 10m

all with flexible protection tube

cable length

4 = 3m, 5 = 5m, 6 = 8m, 7 = 10m

without protection tube

connector

-XXX - 000 with 6-pole Harting Plug and socket

- 100 without plug and socket, with open cable end

Measuring principle low tuned measuring principle for absolut vibrations

Mechanical / electrical conversion: electro-dynamic

Measuring direction PR 9268/60: vertical

PR 9268/70: horizontal

Max. deviation from nominal measuring direction:

without lifting current PR 9268/60: ±30°; PR 9268/70: ±10°

with lifting current** PR 9268/60: ±60°; PR 9268/70: ±30°

** without lifting current, the accuracy is reduced

Operation ranges

Frequency range 10 Hz...1000Hz

Vibration amplitude at nominal

mounting position: ±1,5 mm

Limit stops ±2 mm

Permissible acceleration

in measuring direction: 10 g continuous, 20 g short-time

in transverse direction: 2g

Sensitivity

Nominal value at 20 °C and 80Hz

Pin 3, for 100kΩelectrical load 22 mV per mm/s, ±5%

Pin 1, for 50kΩelectrical load 16,7mV per mm/s, ±5%

Pin 4, for 20kΩelectrical load 16,7mV per mm/s, ±5%

Linearity error of the sensitivity < 2 %

Natural frequency at 20 °C

(without damping) 10,0 Hz ± 1 Hz

Transverse sensitivity 0,1 at 80 Hz

Operating Manual PR 9268/60, PR 9268/70

Technical Data Seite 10

Operation range at nom. mounting position refer to nomogram of the interdependence be-

tween vibration amplitude, velocity, acceleration and frequency (Fig. 2).

Electrical Data

Resistance values

Measuring circuit pin 3 (statical): 2760 Ω±10 %

Measuring circuit pin 3 at 80Hz: 1700 Ω±10 %

Measuring circuit pin 1 (statical): 3260 Ω±10 %

Measuring circuit pin 4 (statical): 3180 Ω±10 %

Active inductance: < 200 mH

Active capacity incl. cable: < 2 nF

Insulation resistance: > 100 MΩ(Test voltage < 100 V DC)

Recommended lifting current for installation

deviating from nominal measuring direction 1,0 mA for 60° with PR 9268/60

resp. for 30° with PR 9268/70

Environmental Conditions

Operating temperature range

Transducer without connector: -20....+200 °C

short time (< 4 hours): up to 220 °C

for connector: -40....+100 °C

Temperature range for storage and transport

without packing: -40....+100 °C

with packing: -40....+70 °C

Relative humidity: 0...100 %

(without condensation in housing

and plug)

Protection class (splash proof) IP 65

Housing

Housing-dimensions see Fig. 3

Housing-material: stainless steel

Connection cable: 3 x 0,5mm², 3m long,

screened, sheeting PTFE

Metal protection hose stainless steel

Connector: 6 pole Harting-connector with

Integrated resistor network

Weight:

(net, incl. cable, connector and plug) 1050 g

Weight of transducer only < 400 g (without cable and connector)

Weight of transducer incl. packing 1600 g

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