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A . 6

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A p p e n d i x

W a t l o w S e r i e s 9 4

Appendix

Notes

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Содержание Series 94

Страница 1: ...June 2002 10 00 Supersedes 0600 0024 0000 Rev B User s Manual 1241 Bundy Blvd P O Box 5580 Winona Minnesota USA 55987 5580 Phone 507 454 5300 Fax 507 452 4507 http www watlow com Registered Company W...

Страница 2: ...review all of your configuration information for each step of the setup to verify that your selections are consistent with your applications If the problem persists after checking all the steps you ca...

Страница 3: ...Glossary A 7 Specifications A 9 Model Number Information A 10 Index A 11 Declaration of Conformity A 12 Quick Reference A 13 Figures Page Series 94 Input Output Overview 1 1 Multiple Panel Cutout Dime...

Страница 4: ...Watlow Series 94 Notes...

Страница 5: ...quipment or cause large product scrap costs The limit output is latching An optional process alarm output can be config ured as latching or non latching with high and low alarm set points Special 94 f...

Страница 6: ...Overview 1 2 Overview Watlow Series 94 Notes...

Страница 7: ...a panel cutout using the dimensions in Figure 1a 2 If your controller model number begins with 94B make sure the rounded side of the external case gasket is facing the panel sur face Check to see that...

Страница 8: ...seal This applies to units with models designated 94B However all units should be mounted in this fashion to guarantee integrity of the mounting system 2 2 Install and Wire Watlow Series 94 Install a...

Страница 9: ...w Voltage 12 24V ac dc 94_ _ 1_ _ 1 00_ _ Figure 2 3 Power wiring L1 L2 11 12 LIMIT 94 RESET Watlow Series 94 Install and Wire 2 3 Install and Wire WARNING To avoid electric shock use National Electri...

Страница 10: ...d to the RTD element resistance will result in erroneous input to the instrument To overcome this problem use a 3 wire RTD sensor which compensates for lead length resistance When extension wire is us...

Страница 11: ...oose a sensor Chapter Two and Appendix Install and wire the controller Chapter Two Configure the con troller Chapters Three Four and Five NOTE 1 Switching inductive loads relay coils solenoids etc wit...

Страница 12: ...tive loads relay coils solenoids etc with the mechanical relay solid state relay output options requires use of an R C suppres sor Watlow carries the R C suppressor Quencharc brand name which is a tra...

Страница 13: ...1 12 9 3 10 2 3 4 6 5 Install and Wire NOTE Successful installation requires four steps Choose the controller s hardware configuration and model number Appendix Choose a sensor Chapter Two and Appendi...

Страница 14: ...iring Notes Sketch in your application on this page or a copy of it See the wiring example in this chapter Figure 2 8 Wiring notes L1 L2 power 9 8 Install and Wire 2 8 Install and Wire Watlow Series 9...

Страница 15: ...ndicate actual temperature alarm low alarm high limit low set point value limit high set point value operating parameter values or an open sensor When powering up the upper display will be blank for f...

Страница 16: ...3 2 Keys and Displays Watlow Series 94 Keys and Displays Notes...

Страница 17: ...rol located on the left viewed from the bot tom To set the DIP switch remove the control chassis from the case Holding each side of the bezel press in firmly on the side grips until the tabs release Y...

Страница 18: ...s 94 The Setup Menu displays the parameters that configure the Series 94 s features to your application Enter the Setup Menu by pressing the Up arrow and Down arrow keys simultaneously for 3 seconds T...

Страница 19: ...wn arrow keys to access the LOC prompt in the Setup Menu which can be viewed and changed Input Selects the sensor input type The internal DIP switch must also match the In Input parameter See Figure 4...

Страница 20: ...e cleared by pressing the Reset Key Selecting non latching will automatically reset the alarm output when the condition clears Appears only if Ot2 is set to PrA or Pr Range LAt or nLA Default nLA Sile...

Страница 21: ...Pr or PrA and LOC is set to 0 rtd JIS or din din In is set to rtd or r d and LOC is set to 0 UP no no display shown Pro LOC is set to 0 Pro Process LoL Low limit set point HiL High limit set point Lo...

Страница 22: ...O Range rL to LHI or rH if LHI is not active High Limit Set Point Sets the high limit set point Active if Ot1 is set to H_L or HI Range LLO to rH or rL if LLO is not active Alarm Low Represents the lo...

Страница 23: ...alarm limits and satisfies the alarm hysteresis HSA If the alarm is non latching The alarm clears itself automatically as soon as the process temperature is inside the alarm limits and satisfies the...

Страница 24: ...An open or reversed polarity sensor is the most likely cause Check the sensor if the connection is good and the sensor func tions properly call the factory The A D overrange voltage is too high to con...

Страница 25: ...oss other wiring at 90 angles whenev er crossing lines is unavoidable Look at the system layout identify and locate electrical noise sources such as solenoids relay contacts motors etc Route the wire...

Страница 26: ...load L2 return lead has the same switched signal and could couple unwanted noise into a control cir cuit Tie all ground terminals together with one lead usually green wire tied to ground at one point...

Страница 27: ...CAL Calibration Offset parameter appears in the lower display with no in the upper display Any inadvertent change in the displayed data when pressing the Up arrow Down arrow keys is ignored Calibratio...

Страница 28: ...lower display Continue holding the Up arrow Down arrow keys simultaneously for three seconds until the lower display reads CAL 2 Press the Up arrow key until YES appears in the upper display 3 Advanc...

Страница 29: ...pensator or thermocouple calibrator to Terminal 5 Negative and Terminal 3 Positive on the Series 94 terminal strip If using a compensator turn on and short the input wires If using J calibrator set to...

Страница 30: ...A 6 Appendix Watlow Series 94 Appendix Notes...

Страница 31: ...e process increases above the set point the output increases D E default parameters The programmed instructions that are permanently stored in the microprocessor software direct action An output contr...

Страница 32: ...et point intended alarm limit etc corresponding to temperature prompt A symbol or message displayed by the con troller that requests input from the user R reference junction See junction resistance te...

Страница 33: ...uppression Off state output impedance is 31M Alarm output can be latching or non latching with separate high and low values Alarm silencing inhibit on power up Output Configurations Output 1 Limit out...

Страница 34: ...er RR Red Red AA Red Red without Watlow logo RG Red Green AB Red Green without Watlow logo GR Green Red AC Green Red without Watlow logo GG Green Green AD Green Green without Watlow logo 1 To effect I...

Страница 35: ...stallation procedure 2 1 2 2 J K Keys 3 1 L ladder wiring diagram 2 7 Latching 4 4 5 1 Lock Parameter 4 3 Low Limit Set Point 4 6 low voltage wiring 2 3 Lower Display 3 1 4 4 M mechanical relay 5 Amp...

Страница 36: ...hreibung Serie 94 Modellnummer n 9 4 A oder B B 1 D A C D oder K 0 oder 1 4 beliebige Buchstaben oder Ziffern Klassifikation Sicherheitskomponente Temperaturregelsystem Installationskategorie II Emiss...

Страница 37: ...ke sure the In Input parameter Setup Menu and the DIP switch settings both match your sensor Refer to the table below for the appropriate input type and range Er4 Configuration error The controller s...

Страница 38: ...LOC is set to 0 SIL On or OFF OFF Ot2 is set to Pr or PrA and LOC is set to 0 rtd JIS or din din In is set to rtd or r d and LOC is set to 0 UP no no display shown Pro LOC is set to 0 Pro Process LoL...

Страница 39: ...oducts include electric heaters sensors controls and switching devices The Winona operation has been designing solid state electronic control devices since 1962 and has earned the reputation as an exc...

Страница 40: ...months after delivery to the first purchaser for use providing that the units have not been misapplied Since Watlow has no control over their use and sometimes misuse we cannot guarantee against fail...

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