RayTek MI Miniature Infrared Sensor manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones RayTek MI Miniature Infrared Sensor. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica RayTek MI Miniature Infrared Sensor o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual RayTek MI Miniature Infrared Sensor se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales RayTek MI Miniature Infrared Sensor, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones RayTek MI Miniature Infrared Sensor debe contener:
- información acerca de las especificaciones técnicas del dispositivo RayTek MI Miniature Infrared Sensor
- nombre de fabricante y año de fabricación del dispositivo RayTek MI Miniature Infrared Sensor
- condiciones de uso, configuración y mantenimiento del dispositivo RayTek MI Miniature Infrared Sensor
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de RayTek MI Miniature Infrared Sensor no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de RayTek MI Miniature Infrared Sensor y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico RayTek en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de RayTek MI Miniature Infrared Sensor, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo RayTek MI Miniature Infrared Sensor, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual RayTek MI Miniature Infrared Sensor. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

     MI Miniature Infrared Sensor              Operating Instructions Rev. F 04/2006 54301[...]

  • Página 2

          Declaratio n  of  Conformity  for  the  European  Communit y This  instrument  conforms  to:  EMC:  IEC/EN  61326 ‐ 1  Safety:  EN  61010 ‐ 1:1993  /  A2:1995 [...]

  • Página 3

      Contacts  Europe  Raytek  GmbH  13127  Berlin,  German y  Blankenburger  Str.  135  Tel:  +49  30  478008  –  0   +49  30  478008  –  400  Fax:  +49  30  4710251  raytek@raytek.de  USA  Raytek  Corporation  CA  95061  –  1820,  Santa [...]

  • Página 4

      W ARRANTY  The  manufacturer  warrants  this  ins trument  to  be  free  from  defects  in  material  and  workmans hip  under  normal  use  and  service  for  the  period  of  two  years  fr om  date  of  purchase.  This  warranty  extends  o[...]

  • Página 5

      T ABLE  OF  C ONTENTS  1  SAFETY  INSTRUCTIONS............................................ 1 2  DESCRIPTION ............................................................... 3 3  TECHNICAL  DATA ...................................................... 4 3.1  M EASUREMENT  S PECIFICATIONS ...........................[...]

  • Página 6

      5.3.1  Signal  Output ................................................... 19 5.3.2  Head  Ambient  Temp.  /  Alarm  Out p ut ............. 20 5.3.3  Thermo couple  Output ....................................... 22 5.4  I NPUTS  FTC.............................................................. 23 5.4.1 [...]

  • Página 7

      8  ACCESSORIES ............................................................. 46 8.1  O VERVIEW ................................................................ 46 8.2  A DJUSTABLE  M OUNTING  B RACKET ......................... 48 8.3  F IXED  M OUNTING  B RACKET .................................... 49 8.4  A IR ?[...]

  • Página 8

      11.6.2  Analog  Output,  Scaling ................................. 73 11.6.3  Alarm  Output................................................. 73 11.6.4  Factory  defaul t  values ..................................... 73 11.6.5  Lock  Mode ....................................................... 74 11.6.6  Mode[...]

  • Página 9

    Safety  Instru ctions  MI  1  1  Safety  Instructions  This  document  contains  important  infor mation,  which  should  be  kept  at  all  times  with  the  instrumen t  during  its  operational  life.  Other  users  of  this  instrument  should  be ?[...]

  • Página 10

    Safety  Instru ctions  2  MI  Operating  In struc tions  The  following  symbols  are  used  to  highlight  essential  safe ty  information  in  the  operation  in structions:  Helpful  information  regarding  the  optimal  use  of  the  instrume nt.  Warnings ?[...]

  • Página 11

    Description  MI  3  2  Description  The  miniature  infrared  sensor s  MI  are  noncontact  infrared  temperature  me asurement  sys tems.  They  accurately  and  repeat  ably  measure  the  amoun t  of  energy  emitted  from  an  object  and  convert  [...]

  • Página 12

    Technical  Data  4  MI  3  Technical  Data  3.1  Measur ement  Specif ications  Temperature  Range  LT ‐ 40  to  600°C  ( ‐ 40  to  1112°F)  for  J ‐ Thermocouple: ‐ 25  to  600°C  ( ‐ 13  to  1112°F)  Spectral  Response  LT  8  to  14 ?[...]

  • Página 13

    Technical  Data  MI  5  Temperature  Resolution  LT  ±  0.1  K  (±  0.2°F)*   ±  0.25  K  (±  0.5°F)**  *  For  a  zoomed  temperat ure  spa n  of  300°C  (600°F)  **  For  the  full  temperature  range  of  the  unit  Temperature [...]

  • Página 14

    Technical  Data  6  MI  3.2  Optica l  Specifications  Optical  Resolution  D:S  MID,  MIC;  MIH  22:1  (typ.),  21:1  (guaranteed)  MID,  MIC;  MIH  10:1  MID,  MIC  2:1  At  90%  energy  in  minimum  and  distanc e  400  mm  (15.7  in.)   F[...]

  • Página 15

    Technical  Data  MI  7  3.3  Electric al  Specifications  Power  Supply  Voltage  12  to  26  VDC  Current  100  mA  Outputs  1.  Output  (OUT)  0  to  20  mA,  or  4  to  20  mA,  or  0  to  5  V,  or  Thermocouple  (J  or  K)  2[...]

  • Página 16

    Technical  Data  8  MI  3.4  Environmental  Specif ications  Ambient  Temperature  MIH  sensing  head  0  to  180°C  (32  to  356°F)  MIC  sensing  hea d  0  to  125°C  (32  to  257°F)  MID  sensing  head  0  to  85°C  (32  to  185°F)  [...]

  • Página 17

    Technical  Data  MI  9  3.5  Dimensions   Figure  2:  Dim ensions  of  Se nsing  Head   Standard cable length 1 m (3 ft.) MID/MIC: Ø 5 mm (0.2 in) MIH: Ø 3 mm (0.12 in) 2 mounting holes, Ø 4.5 mm ( 0.17 in )[...]

  • Página 18

    Technical  Data  10  MI   Figure  3:  Dim ensions  of  Ele ctronic  Box  3.6  Scope  of  Delivery  The  scope  of  delivery  includes  the  following:  • Sensing  head  • 1  m  head  cable  • Mounting  nut  • Electronic  box  • Operating  in[...]

  • Página 19

    Basics  MI  11  4  Basics  4.1  Measur ement  of  Infr ared  Temperature  All  surfaces  emit  infrared  rad iation  The  intensity  of  this  infr ared  radiation  changes  according  to  the  temperatur e  of  the  object.  Depending  on  the  materia [...]

  • Página 20

    Basics  12  MI  4.2  Emissivity  of  Target  Object  To  determine  the  emissivity  of  the  target  object  refer  to  section  12.1  Determination  of  Emissivity  on  page  81.  If  emissivity  is  low,  measured  results  could  be  falsified [...]

  • Página 21

    Basics  MI  13  4.5  Electric al  Interference  To  minimize  electrical  or  electromagnetic  interference  or  “noise”  be  aware  of  the  following:  • Mount  th e  unit  as  far  away  as  possible  from  potential  sources  of  electrical  in[...]

  • Página 22

    Installation  14  MI  5  Installation  5.1  Positio ning  Sensor  location  depends  on  the  application.  Before  deciding  on  a  location,  you  need  to  be  aware  of  the  ambient  temp erature  of  the  location,  the  atmospheric  quality  of[...]

  • Página 23

    Installation  MI  15   Figure  4:  Proper  Sensor  Placement  5.2  Wiring  5.2.1  Sensor  Head  Cable  The  manufacturer  preinstall’s  the  sensor  head  cable  between  sensor  head  and  electronic  box.  It  may  be  shortened  but  not  leng[...]

  • Página 24

    Installation  16  MI  5.2.2  Cable  for  Power  Supply  and  Outputs  You  need  to  connect  the  power  supply  (12  to  26  VDC)  and  the  signal  output  wires.  Use  only  cable  with  outside  diameter  from  4  to  6  mm  (0.16 [...]

  • Página 25

    Installation  MI  17   Figure  6:  Connecting  of  Cables  to  the  Electronic  Box  5.  Put  the  following  on  the  cable  (as  shown  in  the  figure  above):  the  cap  (1),  the  plastic  compression  fitting  (2),  the  rubber  washer [...]

  • Página 26

    Installation  18  MI  5.3  Outputs   Figure  7:  Signal  Outputs  and  Power  Supply  Electronic Box Signal Output Head Ambient Temp. or Alarm Power 0 to 5 V J or K 0 to 5 V 4 to 20 m A 0 to 20 m A 12 to 26 VDC[...]

  • Página 27

    Installation  MI  19  5.3.1  Signal  Output  Figure  8:  Wiring  of  the  Signal  Output  (mA  or  V)  The  signal  output  can  be  configured  either  as  current  or  as  voltage  output.  The  minimum  load  impedance  for  the  0  to [...]

  • Página 28

    Installation  20  MI  5.3.2  Head  Ambient  Temp.  /  Alar m  Output  This  output  can  be  configured  either  as  output  for  the  head  ambient  temperature  (default  configuration)  or  as  an  alarm  output.  Figure  10:  Wiring  the  Outpu[...]

  • Página 29

    Installation  MI  21  You  may  use  a  solid  state  relay  for  the  alarm  output.  The  outp ut  is  short  circuit  resistant  with  100 Ω out put  imped ance.  The  alarm  output  is  only  enabled  through  the  DataTemp  MultiDrop  soft[...]

  • Página 30

    Installation  22  MI  5.3.3  Thermocouple  Output  If  you  are  using  a  J ‐ or  K ‐ thermocouple  you  must  inst all  a  compensation  cable.  The  cable  is  available  as  an  accessory  (XXXCI1CB25  for  Type  J,  XXXCI2CB25  fo r  Type [...]

  • Página 31

    Installation  MI  23  5.4  Inputs  FTC  The  three  inputs  FTC1,  FTC2,  and  FTC3  are  used  for  the  external  control  of  the  unit.  All  input  funct ions  are  enabled  through  the  Data Temp  MultiDrop  software  only,  see  the  sof[...]

  • Página 32

    Installation  24  MI  5.4.1  Emissivity  Setting  (a nalog  contr olled)  The  input  FTC1  can  be  configured  to  accept  an  analog  voltage  signal  (0  to  5  VDC)  to  provide  real  time  emissivi ty  setting.  The  following  table  show s ?[...]

  • Página 33

    Installation  MI  25  5.4.2  Emissivity  Setting  ( digital  controlle d)  The  sensor’s  electronics  contains  a  table  with  8  pre ‐ installed  settings  for  emissivity.  To  activate  the se  emissi vity  settings,  you  need  to  have  the  inputs [...]

  • Página 34

    Installation  26  MI  5.4.3  Ambient  Background  Temperature  Compensatio n  The  sensor  is  capable  of  improving  the  accuracy  of  target  temperature  me asurements  by  taking  into  account  the  ambient  or  background  temperature.  This  featu re [...]

  • Página 35

    Installation  MI  27  • Ambient  background  temperatu re  compensation  from  a  second  temperature  sensor  (infrared  or  contact  te mperature  sensor)  ensures  extremely  accurate  results.  For  example,  the  outpu t  of  the  second  unit,  set  fo[...]

  • Página 36

    Installation  28  MI  5.4.4  Trigger  and  Hold  Function  The  FTC3  input  can  be  used  as  ex ternal  trigger  in  conjunction  with  the  software  trigger  mo de  setting  “Trigger”  or  “Hold”.   Figure  17:  Wiring  of  FTC3  as ?[...]

  • Página 37

    Installation  MI  29  Hold:  This  mode  acts  as  external  generated  hold  function.  A  transition  at  the  input  FTC3  from  logical  high  level  to ward  logical  low  level  will  transfer  the  current  temperature  toward  the  output. [...]

  • Página 38

    Installation  30  MI  5.5  Connec ting  to  the  PC  via  RS232  The  RS232  interface  comes  with  each  model.  Connect  a  single  unit  with  a  RS232  COM  port  by  using  the  connection  kit  RAYMISCON.  Figure  20:  Connecting  the [...]

  • Página 39

    Installation  MI  31  5.6  Installin g  of  Multiple  Sensors  vi a  RS485  The  distance  between  the  sensor  and  a  computer  can  be  up  to  1200  m  (4000  ft.)  via  RS485  interface.  This  allows  ample  distance  from  the  harsh [...]

  • Página 40

    Installation  32  MI  For  an  installation  of  two  or  more  sensor s  in  a  RS485  network,  each  sensor  is  wired  parallel  to  the  othe rs.  You  may  connect  up  to  32  units.  Make  sure  to  deactiva te  the  preset  shunt [...]

  • Página 41

    Installation  MI  33  Go  to  the  menu  <Setup>  <Sensor  Setup>,  and  then  select  the  register  <Advanced  Setup>.  Use  <Polling  Address>  for  selecting  the  requested  address.   Figure  23:  Address  Settin g  Step ‐ by ?[...]

  • Página 42

    Operation  34  MI  6  Operation  Once  you  have  the  sensor  positioned  and  connected  properly,  the  system  is  ready  for  continuous  operation.  The  operation  of  the  sensor  can  be  done  by  means  of  the  built ‐ in  control [...]

  • Página 43

    Operation  MI  35  6.2  Setting  the  Output  Jumper  In  addition  to  the  set  mode  in  the  unit,  see  section  6.3  Setting  of  Modes ,  on  page  36,  the  unit’s  outputs  must  be  configured  by  switching  the  <Ou tput > ?[...]

  • Página 44

    Operation  36  MI  6.3  Setting  of  Modes  You  can  easily  determine  the  unit’s  mode  or  parameter  by  doing  the  following:  Press  the  <Mode>  butto n  until  the  symbol  for  the  actual  set  mode  appears  in  the  displa[...]

  • Página 45

    Operation  MI  37  Display  Mode Range C  Target Temperature* (effected by signal processing) not adjustable A Head Ambient Temper ature not adjustable T Target Temperature (not effected by signal processing) not adjustable Output Mode mV mV output (default) TCK thermocouple type K output TCJ thermocouple type J output 4 - 20 4 - 20 [...]

  • Página 46

    Operation  38  MI  6.4  Post  Processing  6.4.1  Averaging  Averaging  is  used  to  smooth  the  output  signal.  The  signal  is  smoothed  depending  on  the  defined  time  basis,  whereby  the  outp ut  signal  track s  the  detector  signal  [...]

  • Página 47

    Operation  MI  39  object),  the  output  signal  reaches  only  90%  magnitude  of  the  actual  object  temperatur e  after  the  defined  average  time. [...]

  • Página 48

    Operation  40  MI  6.4.2  Peak  Hold  The  output  signal  follows  the  object  temperature  until  a  maximum  is  found.  Once  the  hold  time  is  exceeded  the  output  signal,  tracks  and  output  the  act ual  object  temperature  and  [...]

  • Página 49

    Operation  MI  41  6.4.3  Valley  Hold  The  output  signal  follows  the  object  temper ature  until  a  mini mum  is  found.  Once  the  hold  time  is  exceeded  the  output  signal,  tracks  and  output  the  act ual  object  temperature  and [...]

  • Página 50

    Operation  42  MI  6.4.4  Advanced  Peak  Hold  This  function  searches  the  sensor  signal  for  a  local  maximu m  (peak)  and  writes  this  value  to  the  output  until  a  new  local  maxi mum  is  found.  Before  the  algorithm  restar[...]

  • Página 51

    Operation  MI  43  6.4.5  Advanced  Valley  Hold  This  function  works  similar  to  the  advanced  peak  hold  function,  except  it  will  search  the  signal  for  a  local  minimum.  6.4.6  Advanced  Peak  Hold  with  Averaging  The  output ?[...]

  • Página 52

    Operation  44  MI  6.5  Factory  Defa ults  For  activating  the  unit’ s  factory  default  value s  press  the  <Mode/Up>  buttons  on  the  electronic  board  simultaneously.  The  factory  default  values  are  to  be  found  in  section  11 [...]

  • Página 53

    Options  MI  45  7  Options  Options  are  items  tha t  are  factory  installed  and  must  be  specified  at  time  of  order.  The  following  are  available:  • Longer  cable  lengths:  3  m  /  9.8  ft.  (…CB3),  8  m  /  26.2  ft[...]

  • Página 54

    Accessories  46  MI  8  Accessories  8.1  Overvi ew  A  full  range  of  accessories  for  various  applicatio ns  and  industrial  environme nts  are  available.  Accessories  include  items  that  may  be  ordered  at  any  time  and  added  on ‐ sit[...]

  • Página 55

    Accessories  MI  47   Figure  30:  Standard  Mounting  Accessories  Sensing Head Adjustable Bracket Fixed Bracket Electronic Box[...]

  • Página 56

    Accessories  48  MI  8.2  Adjustable  Mountin g  Bracket   Figure  31:  Adjustable  Mo unting  Bracket  (XXXMIACAB) [...]

  • Página 57

    Accessories  MI  49  8.3  Fixed  Moun ting  Bracket   Figure  32:  Fixed  Mounting  Bracket  (XXXMIACFB) [...]

  • Página 58

    Accessories  50  MI  8.4  Air  Purg ing  Jacket  The  air  purge  jacket  is  used  to  keep  dust,  moi sture,  airborne  particles,  and  vapors  away  from  the  sensing  he ad.  Clea n,  oil  free  air  is  recommended.  The  air  purge  jac[...]

  • Página 59

    Accessories  MI  51   Figure  34:  Mounting  the  Air  Purge  Jacket  1.  Remove  the  sensor  (1) and  cable  from  the  electro nic  box  by  disconnecting  the  wires  from  the  electronic  box.  2.  Open  the  Air  Purging  Jacket  (3,  [...]

  • Página 60

    Accessories  52  MI  8.5  Air  Co oling  System  The  sensing  head  can  operate  in  ambient  temperatures  up  to  200°C  (392°F)  with  the  air ‐ cooling  system.  The  air ‐ cooling  sy stem  comes  with  a  T ‐ adapter  including  0.8  m ?[...]

  • Página 61

    Accessories  MI  53   Figure  37:  Maximum  Ambient  Temperature  depending  on  Air  Flow  and  Hose  Length  Note :  “Hose  Length“  is  the  length  of  hose  exposed  to  high  ambient  temperature  (no t  the  overall  length  of  the  [...]

  • Página 62

    Accessories  54  MI   Figure  38:  Air  Cooling  System:  Purgi ng  Jacket  The  Air  Cooling  Sys tem  consists  of:  (1)  sensing  head  (2)  inner  plastic  fitti ng  (air  purging  jacket)  (3)  front  part  of  the  air ‐ purging  jacket  (4[...]

  • Página 63

    Accessories  MI  55   Figure  39:  Air  Cooling  System:  T ‐ Adapter [...]

  • Página 64

    Accessories  56  MI   Figure  40:  Dimensions  of  Air  Cooling  System  Hose: inner Ø : 9 mm (0.35 in) outer Ø : 12 mm (0.47 in)[...]

  • Página 65

    Accessories  MI  57  8.6  Right  Angle  Mirror  The  right  angle  mirror  comes  in  two  different  versions:  XXXMIACRAJ  right  angle  mirror  as  accessory  for  air  purging  jacket  or  air  cooling  system  XXXMIACRAJ1  right  angle  mirror[...]

  • Página 66

    Accessories  58  MI  8.7  Box  Lid   Figure  43:  Box  Lid  with  Vi ew  Port  for  Post  Ins tallations  (XXXMIACV) [...]

  • Página 67

    Accessories  MI  59  8.8  Protective  Window  The  protective  windo w  can  be  used  to  protect  the  sensing  head  from  dust  and  other  contam ination.  This  should  be  applied  especially  for  sensors  without  a  lens.  These  are  all[...]

  • Página 68

    Maintenance  60  MI  9  Maintenance  Our  sales  representatives  and  cust omer  service  are  always  at  your  disposal  for  questi ons  regarding  application  assistance,  calibration,  repair,  and  solutions  to  specific  problems.  Please  contact  y[...]

  • Página 69

    Maintenance  MI  61  9.2  Fail ‐ Safe  Operat ion  The  Fail ‐ Safe  system  is  designed  to  alert  the  operator  and  provide  a  safe  output  in  case  of  an y  syste m  failure.  The  sensor  is  designed  to  shutdown  the  process  in[...]

  • Página 70

    Maintenance  62  MI  Error  Codes  via  RS232/485  Output Error Code Description T------ Invalid temperature reading T>>>>>> Temperature over range T<<<<<< Temperature under range Table  8:  Error  Codes  (v ia  RS232/485)  Error  Codes  for  the  LCD  Display[...]

  • Página 71

    Maintenance  MI  63  9.3  Sensing  Head  Exchange  Sensing  heads  and  electronic  b oxes  can  only  be  interchanged  in  accordance  to  the  following  ta ble!  MID02 MIC02 MI D10 MIC10 MIH10 MID20 MIC20 MIH20 MID02 x x x x MIC02 x x x x MID10 x x x x MIC10 x x x x M I H 1 0 x M[...]

  • Página 72

    Maintenance  64  MI  <Down/Up>  button s.  Activa te  your  settings  by  pressing  the  <Mode>  button.   Figure  45:  Sensing  Head  Calibration  Data  printed  on  the  Cable  (e.g.  Head  with  two  blocks  of  4  numbers)  For  MIH ?[...]

  • Página 73

    Software  MI  65  10  Software  For  use  with  RS232  or  RS485  models,  DataTemp  MultiDrop  software  allows  access  to  the  extended  digital  features  of  the  MID  with  an  easy ‐ to ‐ use  interface.  Compatible  with  WIN  95/98/NT/2000/[...]

  • Página 74

    Programming  Guide  66  MI  11  Programming  Guide  This  section  explains  th e  sensor’s  communication  protocol.  A  protocol  is  the  set  of  commands  that  define  all  possible  communications  with  the  sensor.  The  commands  are  describ[...]

  • Página 75

    Programming  Guide  MI  67  11.1  Transf er  Modes  The  unit’s  serial  interface  is  either  RS232  or  RS485,  depending  on  the  model.  Settings:  transfe r  rate:  9.6  kBaud,  8  data  bits,  1  stop  bit,  no  parity,  flow  control: ?[...]

  • Página 76

    Programming  Guide  68  MI  11.2  Gener al  Command  Structure  Requesting  a  paramete r  (Poll  Mode)  ?ECR  “?“  is  the  command  for  “Request“   “E“  is  the  parameter  req uested   “CR“  (carriage  retu rn,  0Dh)  is  closing  [...]

  • Página 77

    Programming  Guide  MI  69  After  switc hing  the  power  to  “ON“,  the  device  is  sending  a  notification:  #XICRLF  “#“  is  the  parameter  for  “Notification“   “XI“  is  the  value  for  the  notifi cation  (her e  “XI“; [...]

  • Página 78

    Programming  Guide  70  MI  11.4  Device  Setup  11.4.1  Temperat ure  Calcula tion  U=C  unit  for  the  tempe rature  value  E=0.950  Emissivity  setting  (Cau tion:  according  to  the  sett ings  for  “ES”,  see  section  11.4.2  Emissiv ity  Setting ?[...]

  • Página 79

    Programming  Guide  MI  71  There  are  eight  ent ries  possible  for  emissivity  setting  (1)  and  a  related  set  point  (threshold)  (2).  To  be  able  to  write  or  read  the se  values,  use  the  following  command s:  EP=2  set  poi[...]

  • Página 80

    Programming  Guide  72  MI  11.4.3  Post  Processing  The  following  parameters  can  be  set  to  deter mine  the  post  processing  mode,  see  section  6.4  Post  Proc essing  on  page  38.  P=5  peak  hold,  hol d  time:  5  s  F=12.5  vall[...]

  • Página 81

    Programming  Guide  MI  73  11.6  Device  Con trol  11.6.1  Output  for  the  Ta rget  Temperature  The  signal  output  can  be  set  to  4  –  20  mA,  0  –  20  mA  or  mV.  If  current  output  is  activated,  the  output  can  [...]

  • Página 82

    Programming  Guide  74  MI  XF  factory  default  values  will  be  set  11.6.5  Lock  Mode  The  access  to  the  unit  is  possible  via  serial  interface  (software)  and  via  the  direct  user  input  (mode  butto ns,  LCD  display).  It ?[...]

  • Página 83

    Programming  Guide  MI  75  AC=2  compensation  with  an  extern al  voltage  signa l  at  the  analog  input  FTC2  (0  V  –  5V  corresponds  to  low  end  and  high  end  of  temperature  range),  current  ambient  temperature  is  readable ?[...]

  • Página 84

    Programming  Guide  76  MI  11.7  Multip le  Units  (RS485  Multidrop  Mode)  Up  to  32  units  can  be  connected  within  a  RS485  networ k,  see  section  5.6  Installing  of  Mult iple  Sensors  via  RS485  on  page  31.  To  direct  a [...]

  • Página 85

    Programming  Guide  MI  77  11.8  Command  Set  Description Char Format P B S Legal values Factory default LCD Poll parameter ? ?X/?XX * ?T Set parameter = X/XX=... * E=0 . 85 Set parameter without EEPROM storage # X/XX# * E#0.85 Multidrop addressing 001?E * * answer: 001!E0.95 Error message * *Syntax error Acknowledge message [...]

  • Página 86

    Programming  Guide  78  MI  Description Char Format P B S Legal values Factory default LCD Source: emissivity / setpoint for alarm output ES X * * I=constant number (E=0.950) E=external analogous input FTC1 D= E/XS digital selected FTC1-3 I Presel. emissivity value EV n.nnn * * 0.100 - 1. 100 Valley hold time(4) F nnn.n * * * 0.000 - 99[...]

  • Página 87

    Programming  Guide  MI  79  Description Char Format P B S Legal values Factory default LCD Presel. setpoint / relay function SV nnn.n (1) Target temperature T nnn.n * * in current scale (°C / °F) Temperature unit U X * * * C / F C U Poll / Burst mode V X * * P = poll B = burst Poll mode Burst string contents X$ * Multidrop address XA [...]

  • Página 88

    Programming  Guide  80  MI  (3)  $  =  UTQE  (4)  setting  average  /  peak  /  valley  /  advanced  hold  cancels  all  other  hold  modes  (6)  LT:  23°C  (73°F)  (7)  LT:  500°C  (932°F)  (8)  LT:  0°C  (32°F)  (9)  XZ  =  0123[...]

  • Página 89

    Appendix  MI  81  12  Appendix  12.1  Determ ination  of  Emissivity  Emissivity  is  a  measure  of  an  object’s  ability  to  absorb  and  emit  infrared  energy.  It  can  have  a  value  between  0  and  1.0.  For  example  a  mirror  [...]

  • Página 90

    Appendix  82  MI  0.95.  Finally,  measure  the  te mperature  of  an  adjacent  area  on  the  object  and  adjust  the  em issivity  unt il  the  sa me  tempera ture  is  reached.  This  is  the  correct  emissivity  for  the  measured  material . ?[...]

  • Página 91

    Appendix  MI  83  12.2  Typical  Emissivity  Va lues  The  following  table  provides  a  brief  reference  guide  for  determining  emissivity  and  can  be  used  when  one  of  the  above  methods  is  not  practical.  Emissivity  value s  shown ?[...]

  • Página 92

    Appendix  84  MI  M ETALS Material Emissivity 3.9 µm 5 µm 8 – 14 µm Aluminum Unoxidized 0.02-0.2 0.02-0.2 0.02-0.1 Oxidized 0.2-0.4 0.2-0.4 0. 2-0.4 Alloy A3003, Oxidized 0.4 0.4 0.3 Roughened 0.1-0.4 0.1-0.4 0.1-0.3 Polished 0.02-0.1 0.02-0.1 0.02-0.1 Brass Polished 0.01-0.05 0.01-0.05 0.01-0.05 Burnished 0.3 0.3 0.3 Oxidized 0.5 0.5[...]

  • Página 93

    Appendix  MI  85  Polished 0.05-0.2 0.05-0.2 0.05-0.1 Rough 0.4 0.4 0. 4 Oxidized 0.2-0.7 0.2-0.7 0. 2-0.6 Magnesium 0.03-0.15 0.03-0.15 0.02-0.1 Mercury 0.05-0.15 0.05-0.15 0.05-0.15 Molybdenum Oxidized 0.3-0.7 0.3-0.7 0. 2-0.6 Unoxidized 0.1-0.15 0.1-0.15 0.1 Monel (Ni-Cu) 0.1-0.5 0.1-0.5 0.1-0.14 Nickel Oxidized 0.3-0.6 0.3-0.6 0. 2-0.5[...]

  • Página 94

    Appendix  86  MI  N ON -M ETALS Material Emissivity 3.9 µm 5 µm 8 – 14 µm Asbestos 0.9 0.95 Asphalt 0.95 0.95 Basalt 0.7 0.7 Carbon Unoxidized 0.8-0.9 0.8-0.9 Graphite 0.7-0.9 0.7-0.8 Carborundum 0.9 0.9 Ceramic 0.8-0.95 0.95 Clay 0.85-0.95 0.95 Concrete 0.9 0.95 Cloth 0.95 0.95 Glass Plate 0.98 0.85 “Gob” 0.9 — Gravel 0.95 0.95[...]

  • Página 95

    Index  MI  87  Index  Accessories 46 Accuracy 4 Air pressure 12 Air Purge 46 Air Purge Jacket 12 Ambient Temperature 12 Average 60 Control Panel 34, 59 Emissivity 5, 11, 12, 60, 80, 82, 84, 85 Loop impedance 19 Maintenance 60 Mirror 57, 80 Network 32 Noise 13 Optical Resolution 6 Power Supply 60 Repeatability 4 Response Time 4 Sensing H[...]