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286 TECMount User`s Manual
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1. holes on the front rear top and bottom surfaces of the fixture See the drawings in the Mechanical Drawings section below for more details on the size and location of the mounting holes Fan and Airflow The 286 uses a high volume fan for cooling of the heat sink For full performance you must place the sides and bottom of the 286 at least 2 away from any other surface or airflow will be constricted If you are using an Arroyo Instruments TECSource temperature controller the fan can be powered directly from the TECSource You will need to enable the Pli arroyo Instruments 286 TECMount User s Manual Page 7 fan supply in the TECSource menu see the TECSource manual for additional details on how to do that If you are using a third party temperature controller then you will need to provide a 12V DC power supply through the 17W2 connection See the pin out later in this document for the fan pin assignments Connecting to the TEC Controller Next connect the 286 TECMount to your temperature controller The 5300 08 24 TECSource is the recommended controller for this mount although it will work with most temperature controller controllers designed for TEC applications so long as the current and voltage requirements are met which is a minimum of 8A and 24V Make sure the temperature controller s current limit is set no higher than 14 8A the maximum for this mount If using an Arroyo TECSource change the Mount setting in the m
2. In the 286 xx 150 LaserMount the 4 wire connection is made inside the mount To use this measurement mode you must select RTD 4 wire as the sensor type The drawings below illustrate how 2 wire and 4 wire connections work Note that 4 wire measurements require all four wires to be brought through the cable to the mount The 1262 17W2 and 1264 TECSource cables carry these connections through to the mount but the 1260 cable does not Temperature Controller Sensor Temperature Controller RTD 4 wire Measurement Pli royo Instruments 286 TECMount User s Manual Page 15 Mechanical Drawings 6 40 163 5 50 140 5 20 132 8X 8 32 UNC o SEE DETAIL PLATE VIEW 5 50 140 6 40 163 5 20 132 O O 0 01000 O 0 0 O O OJO O O O10 O O Top View Pl Instruments Page 16 286 TECMount User s Manual 4 20 107 OQ 6 0 OQ 6 o o o o Oo 0 OQ 64X 10 3 V 31 8 O 5 6H 25 6 o o o o o o Oo o 1 12 28 6 o o o o 72 18 Oo o 8 7 39 10 0 0 7 39 10 0 72 18 1 12 28 4 20 107 286 01 Plate Detail Pli Instruments 286 TECMount User s Manual Page 17 70 18 5 00 127 X 40 10 2 50 64 1 4 20 UNC 50 13 19 5 Front View 4
3. USER S MANUAL HIGH POWER MOUNT arroyo Instruments Page 2 286 TECMount User s Manual Table of Contents 3 WISTAMAU ONVANG SCs E 4 Mounting 8 8 8 Using the Aux Ext Sensor 5 10 Technical 11 Using the Thermistor Standard 12 Using the RTD on 150 C Versions 13 Mechanical 15 NV LET 19 SENICE ANG 1 19 Pll Instruments 286 TECMount User s Manual Page Introduction Thank you for choosing the 286 TECMount from Arroyo Instruments The 286 TECMount is designed for high performance and long term use The 286 TECMount integrates high power Peltier coolers for precise control and substantial heating and cooling capacity for your powerful devices The standard 286 TECMount has an operating range of 15 to 85 and the high temperature 150 version allows operation up to 150 C covering a broad range of temperature control needs The 286 TECMount comes standard with an integrated fan for additional cooling capacity When used w
4. X 1 4 20 UNC 5 00 127 70118 205 5 00 127 Rear View Pli royo Instruments Page 18 286 TECMount User s Manual Side View 5 20 132 Bottom View Pli royo Instruments 286 TECMount User s Manual Page 19 Arroyo Instruments warrants this product to be free from defects in material and workmanship under normal use and service for a period of one 1 year from date of shipment It does not apply when the product has been misused altered or damaged by accident or abnormal conditions of operation If found to be defective during the warranty period the product will either be repaired or replaced at Arroyo Instruments s option THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE ARROYO INSTRUMENTS SHALL NOT BE LIABLE FOR ANY INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE PURCHASE OR USE OF ITS PRODUCTS Service and Support For service and support contact your local distributor or Arroyo Instruments Telephone 1 805 543 1302 Facsimile 1 805 543 1303 Email support arroyoinstruments com Web http www arroyoinstruments com Address 624 Clarion Court San Luis Obispo CA 93401 USA Pl Instruments arroyo instruments 624 Clarion Court San Luis Obispo CA 93401 Tel 805 543 1302 Fax 805 543 1303 sales arroyoinstruments com www arroyoin
5. ance at 0 typically 1000 as is the case with the RTD used in the 286 xx 150 of the RTD the following equation is used R R 1 AT Below R an additional term is added to the equation R R 1 100 In both of these equations R is the resistance of the RTD at 0 C and A B and C are the coefficients as defined by IEC751 through regression analysis or by using the Callendar van Dusen method Pli 090 Instruments Page 14 286 TECMount User s Manual For the Arroyo Instruments controllers that support RTD sensors the default coefficients are different for this mount They must be changed to use the 0 00385 C curve which has the following coefficients A 3 9080x10 0 58019x10 4 2735x10 R 100 These coefficients can be changed in the Sensor menu 2 Wire versus 4 Wire Measurements One concern in using RTDs are their relatively low resistance typically 100Q at 0 C and small Because of these two factors the resistance of the cable used to connect to the sensor can create significant absolute error in the sensor measurement Most Arroyo Instruments controllers offer two RTD measurement modes a conventional two wire measurement mode which is subject to this error and a four wire measurement mode that uses separate sense and source lines to remotely sense the actual resistance of the RTD and eliminate the cable and connector resistances
6. d 10 should be the opposite polarity If polarities are not matched the instrument will indicate a sensor error Pli 090 Instruments Page 10 286 TECMount User s Manual Using the Aux and Ext Sensor Inputs The 286 features a SENSOR switch to quickly switch between internal and external temperature sensors With the SENSOR switch in the INT position the internal thermistor or RTD embedded in the cold plate is used to provide the feedback for the temperature controller pins 3 amp 4 and 10 amp 11 on 286 xx 150 models on the 17W2 connector With the SENSOR switch in the EXT position the EXT and EXT inputs on the Phoenix connector are connected to pins 3 amp 4 and 10 amp 11 On 286 xx 150 models on the 17W2 connector The AUX input is reserved for future use and is wired directly to the Aux Sensor and Aux Sensor pins of the 17W2 connector Pll Instruments 286 TECMount User s Manual Page 11 Technical Specifications 286 TECMount COLD PLATE Standard Plates 286 01 Cold Plate TEMPERATURE CONTROL Standard Version Temperature Range Sensor Type Sensitivity High Temperature Version Temperature Range Sensor Type Sensitivity TE Module at 25 Maximum Recommended INPUT CONNECTORS Temperature Controller Ext Aux Sensor GENERAL Size H x W x D in mm Weight Ibs kg 286 no accessories 286 on base or pedestal 208 on 2 posts and feet Bread board M3
7. enu to either 286 or 286 150 depending on which mount type you have and the 5300 will be automatically configured for the mount Where possible we recommend the use of Arroyo Instruments TEC cables When connecting to a 5300 Series TECSource use p n 1262 17W2 Earth Grounding Considerations The 17W2 connector shell is electrically connected to the housing Depending on the wiring of your cables and instruments this may or may not provide earth grounding of the fixture Make sure the cable shell is earth grounded on both ends of the cable and that the instrument makes connection from its connector to earth ground Arroyo Instruments offers TEC cables designed to connect directly between our TECSource products If you use your own cables ensure the connections are properly made between the instrument and the mount and that proper grounding techniques are used The pin out of the connectors can be found later in this document Pli 090 Instruments Page 8 286 TECMount User s Manual Mounting Plates The 286 TECMount is available in a standard bread board configuration with M3 holes on 10mm centers Custom versions of the cold plate are available contact the factory for details Your 286 may be configured with a custom mounting plate and if so this manual should be accompanied by drawing for your plate Connector The 286 employs two connectors 17W2 for the temperature controller interface and a 4 pin Ph
8. he 1 2 x 8 32 screws a lock washer and a flat washer mount the feet to the bottom of each of the posts 286 mounted on posts and feet Pli Instruments 286 TECMount User s Manual Page 5 Bolting to an optical table This configuration is very similar to the one above but instead of the feet you will use the MB 286 base Start with the MP 2 00 posts threading them into the four 8 32 holes on the bottom of the fixture Next using the 1 2 x 8 32 screws mount the MB 286 base to the four posts 286 mounted on posts and base Pli Instruments Page 6 286 TECMount User s Manual Mounting the cold plate vertically For applications that require a vertical cold plate you can use the MB 286 base with the MR 1 50 riser to mount the 286 on its side Set the 286 upside down setting it on a soft cotton cloth to prevent scratching of the cold plate There are two 4 20 mounting holes on the bottom of the fixture Align the MR 1 50 riser to these two mounting holes and gently set the MB 286 base on top of that holing it with one hand to stabilize it Slide in one 2 4 20 bolt and turn a few times to get the threads started Side in and start the second bolt and then tighten both bolts 286 mounted vertically on riser and base Mounting to an integrating sphere or other assembly In the case of mounting to another piece of equipment such as an integrating sphere the 286 features a number of mounting
9. holes 10mm centers 15 to 85 BetaTHERM 10K3A11A 10 25 C 15 to 150 Platinum RTD 1000 0 C 0 00385 O O C 14 8A 32 8V 10A 28V 17W2 male Phoenix 4 pin 5 2 132 x 6 4 163 x 6 4 163 9 8 4 5 11 8 5 4 10 4 4 7 Pli Instruments Page 12 286 TECMount User s Manual Using the Thermistor on Standard Versions The standard version of the 286 LaserMount is equipped with a 10kO negative temperature coefficient NTC thermistor specifically the BetaTHERM 10K3A1 A thermistor works by translating temperature into resistance with resistance decreasing as temperature increases hence the negative coefficient Below is the response curve of the thermistor 50000 40000 30000 20000 Resistance Q 10000 0 10 00 10 00 30 00 50 00 70 00 90 00 110 00 Temperature Resistance vs Temperature Graph As can be seen be the graph the resistance of the thermistor drops very quickly In the typical control range 0 C to 40 C typical 10K thermistors offer good sensitivity to changes in temperature and this is the range in which most 10K thermistors are typically used 10K thermistors can be used at much higher temperatures but will suffer poorer temperature stability performance because of the lower sensitivity All Arroyo temperature controllers support operation using a 10pA or 100 thermistor bias which limits the upper control range
10. ith the Arroyo Instruments TECSource temperature controllers no additional power supply is needed to power the fan or use a standard external 12V DC power supply when connecting to other temperature controllers The 286 TECMount also offers all the features you would expect from a modern diode fixture including e nickel over 10096 oxygen free copper thermal plate Series accessories for quickly adapting the mount to your application e Designed to be quickly integrated with Arroyo s TECSource instruments Industry standard D sub connector and pin outs allow for quick integration into your application Pl Instruments Page 4 286 TECMount User s Manual Installation and Use Consider how you plan to integrate the fixture into your application Set it on your bench or optical table Bolted to an optical table Mount the cold plate horizontal or vertical Mount to other instrument such as an integrating sphere The 286 TECMount comes standard with the M Series accessory kit which you can use to do many of these configurations There are also several 1 4 20 mounting holes on the sides and face of the fixture and four 8 32 mounting holes on the bottom of the fixture the same holes used by the feet or posts Setting on a bench or optical table This is the simplest of configurations Using the MP 2 00 posts thread them into the four 8 32 holes on the bottom of the fixture Next using t
11. oenix quick disconnect for external auxiliary sensor inputs SENSOR 286 Connectors Instruments 286 TECMount User s Manual Page 9 Temperature Controller Interface 17W2 Description Pin 1 2 TE Interlock 1 Interlock shorted to Interlock 9 Vsense TE 2 Vsense TE Vsense TE 3 Sensor Remote Sensor 4 Sensor Sensor 5 No connection Remote Sensor 6 Aux Sensor Sensor 7 Fan ME 8 Fan Interlock Be 9 Vsense TE Aux Sensor 10 Remete Sensor 11 Remete Sensor Fan 12 n c Fan 13 EGND Case 14 Aux Sensor TE 15 Fan Interlock 17W2 Connector Pin Out 17W2 Male Interlock and Fan Pins Interlock and Fan share a pin and the same signal is present on both pins 8 amp 15 In addition because Interlock is shorted to Interlock inside the mount pins 1 8 amp 15 are effectively the same on the 286 connector Auxiliary amp External Sensor Interface Phoenix Pin Description 1 Auxilliary Sensor 2 Auxilliary Sensor 3 External Sensor 4 External Sensor Phoenix 4 Pin Connector Pin Out Sensor Polarity and 4 Wire Connections While the thermistor and RTD inputs are not polarized when using a 4 wire RTD connection to the 286 xx 150 mount it is important to properly connect the polarity of the sense wires to the sensor Pins 4 and 11 should be one polarity and pins an
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13. to 450kQ or 45kQ respectively To minimize noise and maximize stability you should select highest current while still allowing you full operation across your required temperature range The typical setting is 100pA but your application will determine the actual needs Pli Instruments 286 TECMount User s Manual Page 13 The Steinhart Hart Equation As can be seen from the temperature versus resistance graph above resistance varies inversely with temperature in a non linear fashion This relationship can be accurately modeled by polynomial equations and one such being the Steinhart Hart equation A B In R C In R T The coefficients for the BetaTHERM 10K3A1 thermistor are A 1 12924x10 2 34108 10 0 87755x10 These are the default coefficients for Arroyo Instruments temperature controllers Using the RTD on 150 C Versions The 286 xx 150 LaserMount is equipped with a RTD sensor with a 0 00385 C sensitivity Like thermistors RTDs also function by converting temperature into resistance but unlike thermistors RTDs increase in resistance as temperature increases RTDs are also a fairly linear device meaning they can be used across a much broader temperature control range As per IEC751 the resistance temperature relationship is determined using one of two equations dependent on the temperature or resistance value being measured For resistances above the value resist
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