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RayTek FA - page 1
MARATHON FA/FR Series 1-Color Fiber Optic Thermometer 2-Color Fiber Optic Thermometer Operating Instructions Rev. G 01/2010 53001 ...
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Contacts Worldwide Headqu arters Santa Cruz, CA USA Tel: +1 800 227 – 8074 (USA and Canada only) +1 831 458 – 3900 Fax: +1 831 458 – 1239 solutions@raytek.com European He adquarters Berlin, Germany ...
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RayTek FA - page 4
W ARRANTY The manufacturer war rants this instrument to be free from defects in mate rial and workmanship under normal use and service for the period of two years from date of pur chas e. This warranty extends only ...
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RayTek FA - page 5
T ABLE OF C ONTENTS 1 SAFETY INSTRUCT IONS ................................................................................................................... ........... 1 2 PRODUCT DESCRIPTI ON .................................................................................................................... ........ ...
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6 OPERATION ...................................................................................................................... ............................. 25 6.1 C ONTROL P ANEL ....................................................................................................................................... 25 6.2 O PERAT ...
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RayTek FA - page 7
10.4.2.1 Attaching the Fiber Optic Cable to the Optical Head .......................................................... 51 10.4.2.2 Attaching the Fiber Optic Cable to the Electronics Housing .............................................. 51 10.4.3 Fiber Calibra tion ... ...
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RayTek FA - page 9
Safety Instructions Marathon Series FA/FR 1 1 Safety Instructi ons This document contains important information, which should be kept at all times with the instrument during its operation al life. Other users of this instrument ? ...
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Product Description 2 Marathon Series FA/FR 2 Product Description The Marathon FA/FR fiber optic series of instruments are high ‐ performance infrared thermometers. Each has a front end consisting of a small , fixed focus optica ...
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RayTek FA - page 11
Product Description Marathon Series FA/FR 3 Another benefit is that 2 ‐ color sensors meas ure closer to the highest temperature within the measured spot (spatial peak picki ng) instead of an average temperature. A 2 ‐ color s ...
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RayTek FA - page 12
Technical Data 4 Marathon Series FA/FR 3 T echnical Data 3.1 Measurement Specifications 3.1.1 FA Models Temperature Range FA1A 475 to 900°C (887°F to 1652°F) FA1B 800 to 1900°C (1472°F to 3452°F) FA1C 1200 to 3000°C ...
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RayTek FA - page 13
Technical Data Marathon Series FA/FR 5 System Accuracy 1 no signal attenuation ±(0.3% T meas * + 2°C) up to 95% signal attenuation ±(1% T meas * + 2°C) for FR1A/FR1B up to 95% signal attenuation ±(1.3% T meas * + 2°C ...
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RayTek FA - page 14
Technical Data 6 Marathon Series FA/FR Warm up Perio d 15 minutes Weight Optical Head 100 g (3.5 oz) Electronics Housing 710 g (9 oz) 3.3 Electrical Specifications Power Supply 24 VDC ±20%, 500 mA (max 100 mV ...
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RayTek FA - page 15
Technical Data Marathon Series FA/FR 7 3.4 Dimensions Figure 2: Dimensions of Optic al Head(FA Models) Figure 3: Dimensions of Optic al Head (FR Models) Figure 4: Dimensions of Elec tronics Housing Fiber Optic Cable min. bend radi ...
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RayTek FA - page 16
Technical Data 8 Marathon Series FA/FR Figure 5: Adjustable Mou nting Bracket for Optical Head ...
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Technical Data Marathon Series FA/FR 9 3.5 Optical Specifications The sensor comes as a standard focus model or one of two close focus models, see following overview for availab le options. For one ‐ color temperature measur ...
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RayTek FA - page 18
Technical Data 10 Marathon Series FA/FR 3.5.1.2 Close Focus Figure 7: Close Focus Spot Size Charts for FA models Spot ∅ S [mm] Distance D to Object [mm] D:S = 20:1 at focus point FA1A/FA2A CF2 Spot ∅ S [mm] Distance D to Object [mm] D:S = 20:1 at focus point FA1A/FA ...
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RayTek FA - page 19
Technical Data Marathon Series FA/FR 11 3.5.2 FR Models 3.5.2.1 Standard Focus Figure 8: Standard Focus Spot Size Charts for FR model s Distance D to Object [mm] D:S = 40:1 at focus point Distance D to Object [mm] D:S = 20:1 at focus point Spot ∅ S [mm] Spot ? ...
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RayTek FA - page 20
Technical Data 12 Marathon Series FA/FR 3.5.2.2 Close Focus Figure 9: Close Focus Spot Size Charts for FR models 3.6 Scope of Delivery The scope of delivery includes the follow ing: • Marathon FA/FR Documentation an d ? ...
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RayTek FA - page 21
Sensor Location Marathon Series FA/FR 13 4 Sensor Location Sensor location and configurat ion depends on the applicat ion. Before deciding on a location, you need to be aware of the ambient temperature of the location, the ...
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RayTek FA - page 22
Sensor Location 14 Marathon Series FA/FR 4.5 Sensor Placement (1 ‐ Color Mode) Optical head placement for one ‐ color temperature measurements is more critical than two ‐ color measurements. The sensor must have a clear view of ...
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RayTek FA - page 23
Sensor Location Marathon Series FA/FR 15 Figure 11: Sensor Placem ent in 2 ‐ Color Mod e 4.7 Viewing Angles The optical head can be placed at any angle from the target up to 30° for one ‐ colo r mode, or 45° ...
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Sensor Location 16 Marathon Series FA/FR Figure 12: Acceptable Sensor Viewing Angles Best 90° to targ et Good 1-Color Mode: 30° to 90° to target 2-Color Mode: 45° to 90° to target Bad 1-Color Mode: 0° to 30° to target 2-Color Mode: 0° to 45° to target A cceptable Angles ...
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RayTek FA - page 25
Installation Marathon Series FA/FR 17 5 Installation 5.1 Mounting the Sensor After all prepar ations are complete according to section 4 Sensor Location , pag e 13 ff. , you can install the sensor. How and where you anchor ...
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RayTek FA - page 26
Installation 18 Marathon Series FA/FR 5.2 Aiming An effective aiming technique is to adjust the head until the highest readin g is observed on the internal display. When the highest read ing is reached, hold the unit i ...
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RayTek FA - page 27
Installation Marathon Series FA/FR 19 5.4 Installing the Electronics Housing The distance between the electronics housing and a computer (via RS4 85 cable) can be up to 1200 m (4000 feet). This allows ample distance from ? ...
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RayTek FA - page 28
Installation 20 Marathon Series FA/FR Figure 15: Electronics Housing Wiring Incorrect wiring can damage the sensor and void the warra nty! Before applying power, make sure all connections are correc t and secure! The ? ...
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RayTek FA - page 29
Installation Marathon Series FA/FR 21 5.5 Power Supply Connections from a 24 VDC (500 mA or higher) power supply attach to the appropriate terminals on the electronic enclosure’s terminal strip. Isolated power is require ...
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RayTek FA - page 30
Installation 22 Marathon Series FA/FR 2. Install all electronics wiring according to the applicable sections 5.4 , 5.7.x , and 5.8 ! 3. Plug the RS485/ RS232 interfac e converter into your computer’s serial port, or attach it ? ...
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RayTek FA - page 31
Installation Marathon Series FA/FR 23 Figure 19: Wiring for 2 ‐ Wire Sensor Se tup 5.7.3 Connecting to Terminal Block If you need to extend the wiring or to have a complete wiring of all inputs/outputs, use the T ...
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RayTek FA - page 32
Installation 24 Marathon Series FA/FR 5.8 Installing of Multiple Sensors in a Network 5.8.1 Wiring For an installat ion of two or more sensors in a network, each sensor cable is wired to its own terminal block. The ...
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RayTek FA - page 33
Operation Marathon Series FA/FR 25 6 Operation Once you have the optical head and electronics housing positioned and connected properly, the system is ready for continuous operatio n. The operation of the sensor can be don ...
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RayTek FA - page 34
Operation 26 Marathon Series FA/FR The sensor has a remote locking feature that keeps the unit from being acciden tally changed from the control panel (locked by default in multidrop mode). This lockout mode denies access ...
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RayTek FA - page 35
Operation Marathon Series FA/FR 27 Figure 25: Mode Selector Button Sequence (FR Models) 6.2.1 Temperature Display The temperature display can be set for either °C or °F by pressing the C/F selector button ( c – ...
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RayTek FA - page 36
Operation 28 Marathon Series FA/FR The slope is the decid ing parameter for measur ements in 2 ‐ color mode! The emissivity affects only measurem ents in 1 ‐ color mode. For information on det ermining an unknown slope, and ? ...
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RayTek FA - page 37
Operation Marathon Series FA/FR 29 Figure 26: Averaging Example To set and activate Averaging, do the following : 1. Press the Mode button unt il the AVG LED is lit. 2. Press the c button to both set and activa ...
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RayTek FA - page 38
Operation 30 Marathon Series FA/FR Peak Hold with decay timer 000.1-299.9 000.0 000.0 -* 0001-9999 Advanced Peak Hold trigger or threshold 300.0 000.0 0250-3000 -* 0000 Advanced Peak Hold timer or threshold 000.1-299.9 000.0 0250-3000 -* 0000 Advanced Peak Hold with decay timer or threshold 000.1-299.9 000.0 0250-3000 -* 0001-9999 Valle ...
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RayTek FA - page 39
Operation Marathon Series FA/FR 31 Figure 27: Deadband Example 6.2.11 Ambient Background Temperature Compensation (FA Models) The FA model is capable of improving the accuracy of target temperature measurements by taking into ...
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RayTek FA - page 40
Operation 32 Marathon Series FA/FR 6.4 Factory Defaults To globally reset the unit to its factory default settings, press the c and d buttons at the same time for approximately 2 seconds. The baud rate will not ...
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RayTek FA - page 41
Options Marathon Series FA/FR 33 7 Options Options are items that are factory installed and must be specified at time of order. The following are availabl e: • Fiber optic cable lengths: 1, 3, 6, 10 m (3, 10, ...
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RayTek FA - page 42
Accessories 34 Marathon Series FA/FR 8 Accessories 8.1 Overview A full range of accessor ies for various applications and indu strial environments are ava ilable. Accessories include items that may be ordered at any time and a ...
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RayTek FA - page 43
Accessories Marathon Series FA/FR 35 8.2 Air Purge Collar The Air Purge Collar accessory is used to keep dust, moisture, airborne particles, and vapors away from the optical head ʹ s lens. It can be installed before o ...
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RayTek FA - page 44
Accessories 36 Marathon Series FA/FR 8.4 Fitting System Flexible accessory selections allow you to pick and choose the acce ssories you need. Figure 33: Flexible Fitting System Part number Description XXXFORFQP Item 1 XXXFORFAP Item 1 + Item 2 XXXFOR ...
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RayTek FA - page 45
Accessories Marathon Series FA/FR 37 8.5 RS232/485 Interface Converter The RS232/48 5 interface converters have built ‐ in smart switching and have been designed to be fast, allowing for use in either 2 ‐ wire or 4 ‐ wire mo ...
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RayTek FA - page 46
Accessories 38 Marathon Series FA/FR 8.6 Industrial Power Supply The DIN ‐ rail mount industrial power supply transforms an input voltage of 85 – 26 4 VAC into an output voltage of 24 VDC / 1.25 A. The power su ...
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RayTek FA - page 47
Programming Guide Marathon Series FA/FR 39 9 Programming Guide This section explains the sensor’s communication protocol. Use them when writing custom programs for your application s or when communicating with your sensor with a ...
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RayTek FA - page 48
Programming Guide 40 Marathon Series FA/FR Example: Send E=0.90 instead of E=0. 9; send P=001.2 instead of P=1.2 After transmitting one command, the host has to wait for the response from the unit before sending anothe ...
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RayTek FA - page 49
Programming Guide Marathon Series FA/FR 41 • Sensor Model Type • Sensor Serial Number • Relay Control • Laser status • Setpoints • Deadband • Current Output Mode (0 ‐ 20 mA or 4 ‐ 20 mA) The following items c ...
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RayTek FA - page 50
Programming Guide 42 Marathon Series FA/FR 9.5 Command List In depending from the spe cific commands, the following char acters are used : ? ... host (e.g. PC) requests for a parameter value of the unit ! ... unit ...
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RayTek FA - page 51
Programming Guide Marathon Series FA/FR 43 Description Char Format (2) P (1) B (1) S (1) N (1) Legal Values Factory Default Wide Power Q nnnn.nnn √ √ 0000.000-9999. 999 Narrow Power (FR only) R nnnn.nnn √ √ 0000.000-9999. 999 Slope (FR only) S n.nnn √ √ √ √ 0.850-1.150 1.000 Target temperature FR series: 2-color T nn ...
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RayTek FA - page 52
Programming Guide 44 Marathon Series FA/FR 9.6 Command Examples HOST SENSOR HOST SENSOR WHERE USED (1) Description Query Answer Set Notification P B S N Burst string format 001?$ 001!$UTSI 001$=UTSI √ √ Show list of commands 001? √ Measured attenuation 001?B 001!B12 √ √ Baud rate 001!D384 001D=384 √ E ...
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RayTek FA - page 53
Maintenance Marathon Series FA/FR 45 10 Maintenance Our sales representatives and customer service are alw ays at your disposal for questions regarding application assistance, calibration, repair, and solutions to specific problems. Pleas ...
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RayTek FA - page 54
Maintenance 46 Marathon Series FA/FR 10.2 Fail ‐ Safe Operation The Fail ‐ Safe system is designed to alert the operator and provide a safe output in cas e of any system failure. Basically , it is designed to shutdown ...
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RayTek FA - page 55
Maintenance Marathon Series FA/FR 47 The relay is controlled by the temperature selected on the display. If any failsa fe code appears on the display, the relay changes to the “abnormal” state. The exception is the ...
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RayTek FA - page 56
Maintenance 48 Marathon Series FA/FR 10.3 Cleaning the Lens Keep the lens clean at all times. Any foreign matter on the win dow will affect 1 ‐ color measurement accuracy and may affect two ‐ color ac curacy . However, car ...
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RayTek FA - page 57
Maintenance Marathon Series FA/FR 49 10.4 Replacing the Fiber Optic Cable FA fiber cable assemblies are not field ʺ replaceab le ʺ without blackbody rec alibration! As such, spare FA fiber cable assemb lies are no t availabl e! ? ...
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RayTek FA - page 58
Maintenance 50 Marathon Series FA/FR Figure 36: Removing the Fi ber optic Cable from the Optica l Head 10.4.1.2 Removing the Fiber Optic Cable from the Electronics Hous ing Complete the following steps to disconnect the fi ...
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RayTek FA - page 59
Maintenance Marathon Series FA/FR 51 10.4.2 Mounting the Fiber Optic Cable 10.4.2.1 Attaching th e Fiber Optic Cable to the Optical Head Complete the following steps to attach the fiber optic cable to the optical head : ? ...
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RayTek FA - page 60
Maintenance 52 Marathon Series FA/FR Figure 39: Attaching the Fiber Optic Cable to the Electronics Housing 10.4.3 Fiber Calibration Each replacement fiber optic cable is calibrated at the factor y before shipping. The ca libra ...
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RayTek FA - page 61
Maintenance Marathon Series FA/FR 53 Figure 40: Dialog for the Calibra tion of the Fiber Cable ...
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RayTek FA - page 62
Appendix 54 Marathon Series FA/FR 11 Appendix 11.1 Determination of Emissivity Emissivity is a measure of an object’s ability to abso rb and emit infrared energ y. It can ha ve a value between 0 and 1.0. For ex ample ...
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RayTek FA - page 63
Appendix Marathon Series FA/FR 55 E MISSIVITY AT 1 µ M FOR M ETALS Aluminum Iron, cast unoxidized 0.1-0.2 oxidized 0.9 oxidized 0.4 unoxidized 0.35 roughened 0.2-0.8 molten 0.35 polished 0.1-0.2 Magnesium 0.3-0.8 Brass Molybdenum polished 0.35 oxidized 0.5-0.9 Burnished 0.65 unoxidized 0.25-0.35 Chromium 0.4 Monel (Ni-Cu) 0.3 Copper Ni ...
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RayTek FA - page 64
Appendix 56 Marathon Series FA/FR 11.3 Typical Slopes The following slope settings are approximate and will va ry depending on the metal alloy and surface finish, as well as the applic ation. These are supplied here as ...
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RayTek FA - page 65
Appendix Marathon Series FA/FR 57 11.4 Signal Reduction (FR Models) The following figure s show each sensor model’s typical percentage of allowed sign al reduction at all temperatures. Refer to these graphs to estimate what ...
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RayTek FA - page 66
Appendix 58 Marathon Series FA/FR 11.5 Attenuation Influence on Accuracy The ability of the FR ratio instruments to accurately measure the temperature of targets smaller than the field ‐ of ‐ view (FOV) is a key feature. A ...
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RayTek FA - page 67
Appendix Marathon Series FA/FR 59 11.6 Traceability of Instrument Calibration C USTOMER I NFRARED T HE RMOMETERS Compute rized cavity (black body sourc e) 500 to 2727 ° C 400 to 800°C Medium Temp Se condary (Working) Standard 400 to 800°C Fluke Medium Te mp Primary Standard 760 to 2700°C High Temp Primar y St ...
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