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gefran MK4 Series, Installation Manual

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85190A_MAN_Installazione_MK4-IK4/SK4_11-2012_ENG

MK4 and IK4/SK4 Series

Installation Manual

Code 85190A Edition 11-2012

G

eneral

 P

recautions

 

Pag

.  2

MK4 Series  C

orrect

 

use

 

of

 

installation

 

brackets

 

Pag

.  2

MK4 Series   C

orrect

 

use

 

of

 

the

 PCUR034 

floating

 

cursor

  

Pag

.  3

IK4/SK4 Series M

ounting

 

inside

 

a

 

cylinder

 Pag

.  4

I

nstructions

 

for

 

electrical

 

installation

 

of

 

magnetostrictive

 

transducers

 

Pag

.  5

D

etails

 

on

 

models

 

with

 ssi 

output

 (MK4-S and IK4-S)  

Pag

.  5

D

ata

 f

ormat

    

Pag

.  5

E

rror

 

messages

  

Pag

.  6

O

versampling

 

option

  

Pag

.  6

D

etails

 

on

 

models

 

with

 CANOPEN 

output

 (MK4-C and IK4-C)  

Pag

.  7

D

iagnostics

 

of

  

models

 

with

 

leds

  

Pag

.  7

CONTENTS

Summary of Contents for MK4 Series

Page 1: ...eries Correct use of the PCUR034 floating cursor Pag 3 IK4 SK4 Series Mounting inside a cylinder Pag 4 Instructions for electrical installation of magnetostrictive transducers Pag 5 Details on models with SSI output MK4 S and IK4 S Pag 5 Data Format Pag 5 Error messages Pag 6 Oversampling option Pag 6 Details on models with CANOPEN output MK4 C and IK4 C Pag 7 Diagnostics of models with leds Pag 7...

Page 2: ...ation on the cursor creating problems for sliding Use a floating cursor instead MK4 SERIES CORRECT USE OF INSTALLATION BRACKETS Use PKIT09x brackets to be ordered separately to correctly install the MK4 magnetostrictive transducer Choose the best model based on the material on the attachment holes interaxis and on the dimension of the screws included in the package Each package has two brackets We...

Page 3: ...the correct measurement of the cursor position For this reason a non magnetic spacer must be added between the cursor and the magnetic support Fig 3 Sol 1 The recommended spacer thickness is 15 mm If the application does not permit the instal lation of a non magnetic spacer it s possible to install the cursor directly on the magnetic support being careful not to let the support make direct contact...

Page 4: ...ed sealing surfaces The sealing surface must be free of spiral or longitudinal scratches Ro 1 6 µm for O rings with NON pulsing pressure Ro 0 8 µm for O rings with pulsing pressure Rod type magnetostrictive transducers are always supplied with an O ring If you need to replace the supplied O ring see the O rings shown in figures 6 and 7 SERIE IK4 SK4 INSTALLAZIONE IN INTERNO CILINDRO B Inactive zon...

Page 5: ... Installation of Magnetostrictives The manual and certificates of conformity can be downloaded from the website www gefran com DETAILS ON MODELS WITH SSI OUTPUT MK4 S and IK4 S The diagram shows the operation of a sensor with SSI Synchronous Serial Interface The position of the magnet on the sensor is defined by the signal provided by the sensor using the magnetostrictive technology The displaceme...

Page 6: ...terpolation and are equal to Out M V T M last internal measurement V magnet speed T time elapsed since last measurement The data is supplied to the shift regi ster considering possible Jitter in the controller interrogation time 40 mSec is currently considered Lower Jitter levels ensure better inter polation results see Figure 10 To maintain synchronism between SSI clock and shift register refresh...

Page 7: ...er code on the datasheet Each device connected in the CANopen network must have a unique node number that identifies it Each magnetostrictive transducer is factory programmed with a standard node number of 127 A few changes to the settings of transducers with CANopen output such as node number baud rate etc can be perfor med by connecting them to a CAN master and programming the parameters in the ...

Page 8: ...8 85190A_MAN_Installazione_MK4 IK4 SK4_11 2012_ENG GEFRAN spa via Sebina 74 25050 PROVAGLIO D ISEO BS ITALIA tel 0309888 1 fax 0309839063 Internet http www gefran com ...

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