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DS PCM Instructions Manual

Magnetostrictive transducers
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I N S T A L L A T I O N A N D U S E
M
A G N E T O S T R I C T I V E T R A N S D U C E R S
M
O D E L S :
DS EUROPE
DS EUROPE
DS EUROPE
DS EUROPE
S.r.l.
Via F. Russoli, 6-20143 MILANO, ITALY
Tel. 0039 02 8910142
Fax. 0039 02 89124848 / 8910145
E-mail:
dseurope@dseurope.com
Internet:
www.dseurope.com
I N S T R U C T I O N S
S E R I E S P C
P C S - P C P - P C R - P C M
FOR
OF

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  • Page 1 A G N E T O S T R I C T I V E T R A N S D U C E R S S E R I E S P C O D E L S : P C S - P C P - P C R - P C M DS EUROPE DS EUROPE DS EUROPE DS EUROPE S.r.l.
  • Page 2 V 1.0 Rev 3. The information in this manual can be subjected to modifications without prior notice. DS Europe refuses any responsibility for possible errors contained within, or possible direct or indirect accidental damages deriving from supplier, from the operation or the use of this material.

  • Page 3: Table Of Contents

    A CURRENT OUTPUT ..................21 10.6.1. CURRENT CONNECTION: 4÷20 mA WITH VOLTAGE READING: 1÷5 V........21 10.6.2. CURRENT CONNECTION ........................21 10.7. SERIAL PORT CONNECTION........................22 10.7.1. TERMINATION RESISTANCE......................23 10.8. GROUNDING ...............................23 Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...
  • Page 4 TESTS FOR APPLICATION OF CE MARK....................38 16.1. TEST CENTRE AND LIST OF TESTS......................38 16.2. TEST RESULTS AND LAW ON CONFIDENTIALITY................38 IMPORTANT: always bench check the transducer operational performance before installation. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 5: Introduction

    Supplier. It is clear that under these conditions, DS Europe is forced to refuse any responsibility regarding use and thus limits itself to listing some fundamental and elementary precautions to ensure correct use.

  • Page 6: Working Principle

    Permanent external magnetic fields generated by other magnets or residual magnetic fields, generated from the cursor coming into occasional contact or proximity of magnetizable materials (paramagnetic materials), can effect the measurement. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 7: Installation In Cylinders

    (section. 3.2). The recommended distances (= limit) are indicated in Fig. 2 (mm). A max. = 1/8 of the diameter (outside ) of the cursor Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 8: External Installation

    According to the laws of physics regarding attraction of opposing poles, the North pole of a magnet attracts the South pole of a compass. When necessary the North pole is marked with a coloured dot. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 9: Magnetic Cursors Supplied By Ds Europe

    IMPORTANT: Cursors, magnets or float, not produced by DS Europe and chosen by the Customer must be sent to DS Europe in order to be checked. DS Europe, if possible, will custom calibrate the transducer with them. Customer must tell to DS Europe the application conditions: used materials , pole position, distance between magnets and probes etc..

  • Page 10: Magnets Chosen By The User

    The mod. AFR-1E can pass over these two “A” and “B” death zones without causing any damage but It will not generate any signal (analog outputs will be positively or negatively saturated while the RS485 will give a “9999999” output). For performance optimisation, the Customer must supply DS Europe with all the installation conditions 5.4.

  • Page 11: Floats

    It is to be considered the possibility of using a magnetic cursor with a radial slotting system (Mod. ARR-2E) through which It can pass the probe anchorage. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 12: Mod. Pcp (P = Flanged Well )

    10 mm per metre will irreversibly damage the wave guide. This kind of damage can be easily found out by DS Europe and is not covered by the warranty. NOTE: during installation or removal of a transducer equipped with threaded union (PCS, PCP, PCM), use only the hexagon for clamping.

  • Page 13: Absorbed Current

    (operating system and hardware) and the program structure used to interrogate the transducer. For additional informations about serial communications protocol refer to Chapter 13. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 14: Resolution

    As soon as the transducer is turned on, it detects how many magnets are present on the probe and automatically sets the analog outputs enabled by the user during the personalisation procedure. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 15: Analog Outputs

    This setting of 0÷10 V can be inverted to 10÷0 V ( It is possible also to do the personalisation for the current outputs). For direction settings (if not specified in the order) see chapter 13. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 16: Rs-485 Digital Output

    0,05 m/sec, we would have a corresponding significant measuring step of 0,05 mm. When FS= 350 mm there is a corresponding sampling frequency = 1000 samples / sec. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 17: Electrical Connections

    In the following text, the indications refer to the cable leads (option C, output with cable); in brackets (…) we have indications about connector pins (option P, connector output). Example: WHITE (PIN3) means: WHITE output with cable, while (PIN3) refers to output with connector. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 18: Cable Output

    Incorrect connections can be easily found out by DS Europe and can cause serious damage to the transducer. The warranty does not cover this kind of damage. 10.1. CABLE OUTPUT Table 1 indicate the color codes of conductors for the output cable.

  • Page 19: Connection Of 0÷10 V Analog Voltage Output

    To connect 0÷10 V analog voltage output, connect the YELLOW wire (PIN5) to the negative input of the multi-meter, or the data acquisition card (GND) and the WHITE wire (PIN3) to the positive. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 20: Connection Of Two Voltage Analog Outputs: 0÷10V

    Connect the WHITE wire (PIN3) to the positive of the first multi-meter and the GREEN wire (PIN4) to the positive of the second multi-meter. figure 8: Electrical connection for two analog voltage outputs. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 21: Connection Of 4-20Ma Current Output

    250 ohm resistor. Set the multimeter in order to read the 4÷20 mA current. figure 9: Electrical connection of two 4÷20 mA outputs with a voltage reading of 1÷5 Vcc. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 22: Serial Port Connection

    4. Check that the parameters of the serial communications port (computer) correspond to those indicated in chapter 9.7; 5. Check computer serial port performance using another computer (also fitted with RS,485 MULTI-DROP interface) Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 23: Termination Resistance

    WARNING : The common of the power supply ( “ - “ power supply ) must be grounded in order to avoid damages due to mains fluctuations. For further details see chapter 11 on electromagnetic interference. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 24: Warning Leds

    The blinking is like a “binary” code where the beginning of the status blinking is a long pulse and between X and Y codes there is a pause with LED off. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 25: Protection From Electromagnetic External Interference

    Both permit you to calibrate transducer in a simple way. Using the serial connection makes everything easier as you have the added advantage of being able to personalise the analog output performance. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...
  • Page 26 Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 27: Mechanical And Electrical Measuring Field Coincidence

    Important: during calibration phase, avoid: • Introducing or touching components with metal tools; • Using or inserting liquid of any kind whatsoever; Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 28: 0" Cursor

    Cursor “1: D/A1 fluctuation for ZERO 7,5 V 15 mA 16 mA Cursor “1”: D/A1 fluctuation for FULL SCALE 7,5 V 15 mA 16 mA 10 V 20 mA 20 mA Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...
  • Page 29 It mantaining at least a 10% Full and to activate the just done Scale distance between zero and calibration. Full Scale points. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 30: Nominal Stroke Of The Transducer Without Having To Alter The Stability And Resolution Of The Transducer

    Casing screws Casing screws figure 14: Lower view of container for housing PC Series electronics figure 15: Detailed view of push buttons and LEDs used for calibration. One of the advantages of using the series PC is the possibility to be able to use only one part of the nominal stroke of the transducer without having to alter the stability and resolution of the transducer.

  • Page 31: Serial Communications Protocol

    ASCII characters starting from the fourth position in the message. The end of message must always end with “<cr>” (Carriage Return, 0x0D). Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 32: Accepted Commands

    In the example, the D/A 2 (1001) converter is configured as on, direct, representing the displacement measure for cursor 1 while the D/A 1 (1000) is configured as on, direct, representing the displacement measurement for cursor 0. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 33: Command "L

    “R1” when you request the transducer for the second cursor value (cursor 1). Example 2: @ <cr> 14.3.5. COMMAND “V” Command “V” requests revision of firmware installed into transducer. Example: <cr> Example of a reply: PC V.01.00 S/N xxxxxx Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 34: Command "T

    @0L0Lxxxxxx High Limit 0 Cursor 0 FULL SCALE reference @0L0Hyyyyyy Minimum Calibration 0 Internal count value minimum 0 @0T0Z Maximum Calibration 0 internal count value maximum 0 @0T0F Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...
  • Page 35 In the example the contents of the 0 parameter are read (cursor 0 ZERO refernence) Note: “xxxxxx”, “yyyyyy”, “zzzzzz”, “wwwwww” are 6- figure subjects of commands used to program the transducer configuration. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 36: Transducer Replies

    Eg.: 1X0001000 The parameter value has no empty spaces. Whenever it has fewer characters than those established in the defined format, zeros are used to fill the spaces. Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe...

  • Page 37: Declaration Of Conformity

    F. Russoli, 6 Milan (Italy) Type of equipment: Position and magnetostrictive level transducers Models: PC series ( Mod. PCS – Mod. PCP – Mod. PCR – Mod. PCM ) With analog and digital outputs. Year of marking 1999 Th equipment has been tested with the typical installation configuration, as prescribed by the product instruction manual.

  • Page 38: Tests For Application Of Ce Mark

    Any units which prove to be defective, despite the above mentioned controls, shall be repaired or replaced free of charge by DS Europe, on the conditions that the units have been subject to normal or correct use and in any accordingly with the use described in the...
  • Page 39 NOTE Series PC Manual V 1.0 - Rev. 2 - DS Europe...

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