Français dropdown-ico

RayTek MI Miniature Infrared Sensor manuel d'utilisation

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

Aller à la page of

Les manuels d’utilisation similaires

Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation RayTek MI Miniature Infrared Sensor. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel RayTek MI Miniature Infrared Sensor ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation RayTek MI Miniature Infrared Sensor décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation RayTek MI Miniature Infrared Sensor devrait contenir:
- informations sur les caractéristiques techniques du dispositif RayTek MI Miniature Infrared Sensor
- nom du fabricant et année de fabrication RayTek MI Miniature Infrared Sensor
- instructions d'utilisation, de réglage et d’entretien de l'équipement RayTek MI Miniature Infrared Sensor
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage RayTek MI Miniature Infrared Sensor ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles RayTek MI Miniature Infrared Sensor et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service RayTek en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées RayTek MI Miniature Infrared Sensor, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif RayTek MI Miniature Infrared Sensor, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation RayTek MI Miniature Infrared Sensor. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

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

  • Page 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 [...]

  • Page 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 [...]

  • Page 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[...]

  • Page 5

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

  • Page 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 [...]

  • Page 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 ?[...]

  • Page 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[...]

  • Page 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 ?[...]

  • Page 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 ?[...]

  • Page 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  [...]

  • Page 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 ?[...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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[...]

  • Page 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)  [...]

  • Page 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 )[...]

  • Page 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[...]

  • Page 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 [...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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[...]

  • Page 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[...]

  • Page 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 [...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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[...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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 ?[...]

  • Page 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 [...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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 ?[...]

  • Page 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. [...]

  • Page 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 [...]

  • Page 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 [...]

  • Page 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 [...]

  • Page 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 ?[...]

  • Page 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 [...]

  • Page 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 > ?[...]

  • Page 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[...]

  • Page 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 [...]

  • Page 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  [...]

  • Page 47

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

  • Page 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  [...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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 ?[...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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[...]

  • Page 55

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

  • Page 56

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

  • Page 57

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

  • Page 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[...]

  • Page 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,  [...]

  • Page 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 ?[...]

  • Page 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  [...]

  • Page 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[...]

  • Page 63

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

  • Page 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)[...]

  • Page 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[...]

  • Page 66

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

  • Page 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[...]

  • Page 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[...]

  • Page 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[...]

  • Page 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[...]

  • Page 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[...]

  • Page 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 ?[...]

  • Page 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/[...]

  • Page 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[...]

  • Page 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: ?[...]

  • Page 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  [...]

  • Page 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“; [...]

  • Page 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 ?[...]

  • Page 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[...]

  • Page 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[...]

  • Page 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  [...]

  • Page 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 ?[...]

  • Page 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 ?[...]

  • Page 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 [...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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 [...]

  • Page 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[...]

  • Page 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  [...]

  • Page 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 . ?[...]

  • Page 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 ?[...]

  • Page 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[...]

  • Page 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[...]

  • Page 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[...]

  • Page 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[...]