Model 3011 - Indicator Controller Manual

DEVAR Inc.706 Bostwick Ave. Bridgeport, CT. 06605TEL: (203) 368-6751, (800) 566-6822FAX: (203) 368-3747http://www.devarinc.comDEVAR Inc.MODEL 3011THERMOCOUPLE / MILLIVOLT INPUTINDICATOR - CONTROLLERRev: 23 Jun 1999DEVAR Inc. Page 2 of 14 Model 3011INTRODUCTION:The 3000 series was designed to fulfill a need for an accurate, sophisticated, easy toconfigure, simple to operate, and highly visible indicator / controller.FEATURES 6 character display with up to 5 character processindication. High efficiency red LED characters, 0.54" high. 15 segments per character provide real, easy to readletters for all prompts. “No more hieroglyphics” Scrolling multi-word configuration prompts for clarity. Indicate process in true units of measure, ie. 4/20mA loopcorresponding to 0/300GPM can indicate 0.00G/300.00G Peak and valley readings Up to four alarms with front panel lamp indication. Each alarm accommodates one relay.Each alarm has independently configured trip and resetpoints, so action ( high or low alarm ) and hysteresis ( valuebetween trip and reset points ) are controlled by the user. Each alarm can be independently configured to latch. Alarms can independently activate a horn. Four separate, menu selectable, horn actions. Display can be set to flash when alarm trips. Security code lockout prevents unauthorized access.Isolated power supply for sensors and transmitters.DEVAR Inc. Page 3 of 14 Model 3011RESETAL 4AL 3AL 2AL 1NEXT ENTERDEVAR Inc.Figure 1: Front BezelGENERAL INFORMATIONPHYSICAL LAYOUTFront BezelThe six character front panel display provides a five digit process indication andone user selected character. Each character is 0.54" high, has 15 segments, and is madeup of high efficiency red LEDs. One might choose to select a unit of measure, such as C,F, V, A, a dummy zero, etc. The available characters are the standard ASCII printablecharacter set and several custom defined characters. Four lamps indicate the status of eachalarm. Four buttons labeled NEXT, ENTER, , and /RESETenable user input. See figure 1 above.Rear PanelAll electrical connections are made through a screw clamp terminal blocks that pluginto headers attached to the printed circuit boards. A fifteen circuit connector is providedfor AC power and relay contacts. A six circuit connector is provided for input signal andpower out. Power out can be either 10VDC excitation or 24VDC loop power supply. Ahole to the right of the six circuit connector provides access to the power out voltage fineadjustment potentiometer. The connectors accept 24 to 14 AWG wire.MountingIntended for panel mounting, the unit includes two clamping brackets. Thesebrackets attach to and slide in milled slots on either side of the case. The brackets areclamped by screws attached to the rear panel.BASIC OPERATIONAfter applying or cycling the power the unit puts the relays in the power off fail safemode, displays "DEVAR MODEL 3011 VOLUME ALARM START", and proceeds to indicate a process quantity based on the input signal.The unit scans the front panel switches to detect any user input. At this point only ENTERand RESET are operational. Pressing ENTER causes the unit to enter the main menu of themenu system. RESET is used to silence the horn and clear latched alarms, if these optionsare enabled.DEVAR Inc. Page 4 of 14 Model 3011PROCESS INDICATIONFor thermocouple input types, the user selects which type to use and the desiredtemperature scale to indicate. Five characters are used to display the temperature with 0.1ºresolution. The scale is indicated with a F or C label. An open thermocouple is indicatedas “+OVERF”. For millivolt inputs, five characters indicate a process quantity in the rangeof -9999 to 99999, with a decimal point placed to the right of any digit. Placing the decimalpoint, defining the process value at the minimum and maximum input calibration points,and defining the label are discussed in the DIGITAL CALIBRATION FOR LINEARINPUTS section below. If the input signal results in a process quantity outside of theindication range defined above, the unit displays “-OVERF” or “+OVERF”, depending onthe polarity of the input.PEAK AND VALLEYThe 3011 keeps a record of the largest and smallest process value measured. Thesevalues are reset when the unit restarts. The peak and valley values can be observed orcleared in by using the front panel buttons.ACCEPTABLE INPUTSAs shipped, the 3011 is ready to signal condition and indicate the temperaturedetected for thermocouple types T, J, E, K, N, R, S, and B in degrees Celsius or Fahrenheit.The ITS-90 thermocouple definitions were used to determine the detected temperature.Alternately, any sensor or signal source with a magnitude less than ±125mV can be usedto provide a linear (straight line) process indication. The calibration process for millivoltinputs is detailed in the DIGITAL CALIBRATION FOR LINEAR INPUTS section below.The following are several examples of typical input signals that are acceptable for the3011:1) A 4mA to 20mA signal can be optimally detected by installing a 5S shuntacross the input terminals. 125mV / 5S = 25mA, so an out of rangecondition, such as one caused by a faulty sensor, can be detected.2) strain gage, at 3mV per volt excitation, generates 30mV at full scale.3) 0/5V or 1/5V signal. Make a voltage divider from a 100KS and a 2KSresistor, placing the 2KS resistor across the input terminals of the 3011. Themaximum input signal would be 5V/(1 + 100KS/2KS) = 98mV.4) 0/10V signal. Make a voltage divider from a 100KS and a 1KS resistor,placing the 1KS resistor across the input terminals of the 3011. Themaximum input signal would be 10V/(1 + 100KS/1KS) = 99mV.DEVAR Inc. Page 5 of 14 Model 3011DESIGN DETAILSCONFIGURATION MENU SYSTEMThe menu system is used to set the parameters that define how the 3011 operates.The system parameters that can be configured are: selecting the input type, performing aninput calibration (for mV inputs), offsetting the process indication (for tare weight), settingthe alarm trip points, setting the alarm reset points, defining how and when the audiblealarm operates, activating latching alarms, activating a flashing display on alarm, anddefining a security code. The operator utilizes the four button front panel keypad to accessand set these controls.The buttons that control navigating through the menu system are ENTER, NEXT,and RESET. A diagram of the menu system can be found at the end of this document. Thebuttons used to move between different points on the diagram are clearly labeled. PressENTER to start a submenu or entry routine. Press RESET to exit the current menu level.Press NEXT to move to the next available menu option. For example, if "ALARM1" isdisplayed and NEXT is pressed, "ALARM 2" is displayed. If "ALARM1" is displayed andENTER is pressed, the sub menu starts and "TRIP 1" is displayed. If "ALARM1" isdisplayed and RESET is pressed, the unit returns to indicating the process. If the submenu item "TRIP 1" is displayed and RESET is pressed the system resets to "ALARM1".All of the buttons are used to control entering or selecting specific configurationparameters. ENTER will be used to start and complete the process of setting an option.The buttons and change the value of the currently selecteditem. The currently selected item is usually flashing. If one is selecting an item from a list,such as selecting an input type, NEXT is used to back out of the selection routine. Forexample, if “SELECT INPUT TYPE” is displayed, pressing ENTER starts the selectionroutine and the current setting is displayed. Pressing or changes the setting. Press ENTER to accept the setting displayed as the desired setting.Press RESET to return to “SELECT INPUT TYPE” without changing the setting. If one isentering some numeric value, such as the reset point for alarm 3, NEXT is used to selectwhich digit to edit. For example, if "RESET 3" is displayed, pressing ENTER will start theentry routine. The current value that alarm 3 resets at is displayed with the first digitflashing. Pressing or changes the value of the flashing digit.Press NEXT to select which digit to edit. Press ENTER to accept the displayed value as thedesired alarm 3 reset point.Note that as a safety feature, the unit will only remain idle in the menu mode fora fixed length of time. While the unit is in the menu mode it is NOT measuring andreacting to the process, so time out action will prevent an accidental key press frompermanently locking the unit out of a control loop. If no key is pressed afterapproximately 40 seconds the unit will return to indicating the process quantity.DEVAR Inc. Page 6 of 14 Model 3011ALARMSThe unit has four alarms. Each alarm can accommodate one relay. Each alarm hasindependently configured trip and reset points, so alarm action (high or low alarm) andhysteresis (value between trip and reset points) are precisely controlled. Setting the tripand reset points to the same value disables that alarm , which will be held in the resetcondition. Setting the trip point to a value higher than the reset point configures that alarmas a high alarm. Setting the trip point to a value lower than the reset point configures thealarm as a low alarm. Alarms can be independently configured to latch. The latch isreleased when the process meets the latched alarm(s) reset condition and the RESET buttonis pressed. Alarm status is indicated in several ways: 1) front panel red lamps indicate thestatus of each alarm, 2) each alarm can be set to activate a horn, and 3) the display can beset to flash when any alarm is tripped.HORN ACTUATION OPTIONSTo operate, the horn must be enabled by a DIP switch setting. This was done toprovide a way to quickly silence the horn while bench testing the unit. The default settingwhen it leaves the factory will have the horn enabled. Refer to the internal switchessection below to identify the appropriate switch. Once enabled, the action of the horn iscontrolled by the change in the status of an alarm. Which alarm(s) activate the horn iscontrolled by a setting in the alarm configuration submenu. Therefore, none, any, or allof the alarms can activate the horn. The way the horn acts can be set to any one of severaldifferent methods detailed below. Note that there is a RESET button on the front paneland a configuration setting called reset, which is the point at which an alarm condition iscanceled. To avoid confusion (hopefully) in the discussion below, the button is alwayscalled RESET and the configuration setting is called clear. The options are:Sound When In Alarm Until ClearMenu prompt: SOUND WITH ALARM. The horn sounds continuously whileany enabled alarm is tripped. For the horn to be silent, all enabled alarms must beclear. If any of the alarms latch, one must press RESET to unlatch those alarms that canbe cleared.Sound When In Alarm Until Clear Or ResetMenu Prompt: SOUND UNTIL RESET. The horn sounds when any enabledalarm becomes tripped. The horn is silent when either all enabled alarms are clearedor RESET is pushed. If any of the alarms latch, pressing RESET a second time willunlatch those alarms that can be cleared.Sound and Latch Horn When In Alarm Until ResetMenu prompt: LATCH GOING ACTIVE. The horn sounds when any enabledalarm trips. The horn will continue to sound until an operator presses RESET, althoughthe alarm may still be tripped. If any enabled alarm trips, the horn will reactivate. Ifany alarm latches, the first press of RESET will silence the horn and the second presswill unlatch those alarms that can be cleared.Sound and Latch Horn With Alarm Transition Until ResetMenu prompt: LATCH WITH CHANGE. The horn sounds when any enabledDEVAR Inc. Page 7 of 14 Model 3011alarm changes alarm. This means the horn will sound when any enabled alarm tripsor clears. Pressing RESET silences the horn. Any enabled alarm changing status willreactivate the horn. If any alarm latches, the first press of RESET will silence the hornand the second press will unlatch those alarms that can be cleared.PROCESS OFFSETThe process indication can be adjusted by adding a fixed offset. This allows anindication that ignores a fixed, undesired part of the input signal. For instance, if one wereusing a strain gage, one could zero out the tare weight and get an indication based entirelyon the material to be weighed. For a situation where one is indicating weight, determiningthe appropriate offset is a simple matter of direct measurement. Calibrate the 3011 to thescale of the strain gage(s). Enter the menu system to ADJUST OFFSET | CLEAR OFFSETand press ENTER. Wire the 3011 to the gages, then observe the indication whenmeasuring with only tare weight on the scale. Enter the menu system to ADJUST OFFSET| NEW OFFSET, press ENTER, and change the displayed value to the negative value ofthe observed indication by using the front panel buttons. For example, if a tare weight of3000 was observed, change the offset value to -3000. The 3011 could also be used toindicate a volume based on the detected weight of a container. The following exampledetails how this can be done. A container is rated to hold 500 gallons. The containerweights 350lbs empty. When a mystery liquid fills the container the total weight is3750lbs. The strain gages measuring the container have been calibrated to indicate 0 to5000lbs, but a gallon indication is desired. The weight of the liquid is the weight of theempty container subtracted from the weight of the full container, so the weight of theliquid is 3750lbs - 350lbs = 3400lbs. To determine how many gallons would be requiredto equal the weight of the calibration point, multiply the calibration point weight by thenumber of gallons measured and divide this result by the weight of the measured gallons.It is obvious that at the minimum range definition point, 0 gallons weight 0 pounds. Forthe maximum range definition point, observe that 5000lbs * 500gal / 3400lbs = 735.3gal.The number of gallons to offset the process to eliminate the dry weight of the containermust now be determined. This offset is found by multiplying the dry weight of thecontainer by the rated volume of the container and dividing this result by the measuredweight of the liquid, so the offset is 350lbs * 500gal / 3400lbs = 51.5gal. Enter the menusystem to CAL. SYSTEM | DEFINE RANGE and make these entries: SET DP = 0123.4,DEFINE MIN. RANGE = 0000.0, and DEFINE MAX. RANGE = 0735.3. Go to ADJUSTOFFSET and enter NEW OFFSET = -051.5FLASHING DISPLAYThis setting controls whether the display flashes when any of the alarms aretripped. If no alarms are tripped, the display is constant.ACCESS CODEThe access code configuration lockout is enabled with a DIP switch setting. Referto the internal switches section below to identify the appropriate switch. Once enabled,the correct access code must be entered to proceed to the menu configuration system. Anaccess code consists of any six digit number from 000000 to 999999. The factory defaultcode is 000000. Changing the access code is done at the “CHANGE ACCESS CODE”configuration menu item. The entry routine is identical to the alarm trip and reset entryDEVAR Inc. Page 8 of 14 Model 3011routines mentioned in the alarm section. If the access code check is enabled, and attemptsto enter the configuration menu system are made, the prompt “ENTER ACCESS CODE”is displayed. Press enter and the entry routine is started with a default value of 000000.This entry routine is identical to the change access code routine. After pressing ENTERthe entered code is compared to the stored code. If the codes match, the prompt “OKAY”is displayed for a few seconds before proceeding to the menu system. Otherwise, theprompt “DENIED” is displayed for a few seconds before returning to the processindication mode.INTERNAL SWITCHESThe 3011 contains two internal switches. SW1 consists of two contact points that caneasily be shorted with the edge of a flat blade screwdriver. Closing switch SW1 will causethe 3011 to restart, just as if the power was cycled off and on. SW2 is a four pole DIPswitch whose functions are detailed below. These switches are not required for normaluse.DIP SWITCH SW2 FUNCTIONALITYVarious actions are enabled or taken when the appropriate pole of the internal DIPswitch SW2 is activated at the appropriate time. Certain calibration aids are activated withpoles 1 and 2, while product features are activated with poles 3 and 4. The positions ofSW2 are identified as: 1) CAL_VREF, 2) CAL_AMBIENT, 3) HORN, and 4) SECURITY,with pole 4 located closest to the edge of the circuit board. The following documents theaction of DIP switch SW2:AUDIBLE ALARMHORN set ON enables the software to sound the audible alarm.SETUP PROTECTIONIf SECURITY is set ON, a password is required to enter the menu system.Note that the following modes are based entirely on the settings of CAL_AMBIENTand CAL_VREF.INDICATE INPUT VOLTAGEWith CAL_VREF ON and CAL_AMBIENT OFF when the unit is started orrestarted, the unit will enter a mode of operation where it will indicate the millivoltvoltage applied to the input. The input range is -99.99/+125.00mV. If theCAL_AMBIENT pole is also turned ON, the input range is changed to-9999/+15625uV.DEVAR Inc. Page 9 of 14 Model 3011CALIBRATE THERMOCOUPLE SPANIf the unit has cycled to the indicate process mode for a thermocouple inputtype, setting CAL_VREF ON with CAL_AMBIENT OFF, causes the unit to enter amode that neglects the ambient sensor and produces an indication that is based onan ambient junction at 0ºC. This allows calibration of the unit using thermocoupletables without the uncertainty of compensating for the ambient temperature. Seethe analog calibration section for the calibration process.CALIBRATE AMBIENT SENSORIf CAL_AMBIENT is ON and CAL_VREF is OFF when the unit goes throughthe start cycle, a mode will be entered that will produce an indication based on thedetected temperature of the ambient sensor. The indication resolution is 0.01ºC.See the analog calibration section for the calibration process.INDICATE AMBIENT TEMPERATUREIf the unit has cycled to the indicate process mode for a thermocouple inputtype, setting CAL_AMBIENT ON with CAL_VREF OFF will cause the indicationto be based entirely on the ambient sensor. The resolution of the indication matchesthe resolution of the selected thermocouple.SYSTEM INITIALIZATION If all poles of SW2 are ON, the RESET front panel button is pressed andheld, and the unit is restarted by cycling the power, or with SW1, the user will bepresented with a 'Cont' prompt. Pressing the NEXT front panel button causes theprompt to toggle between 'Cont' and 'Init'. Pressing ENTER while 'Cont' isdisplayed exits this routine. Pressing ENTER while 'Init' is displayed loads apredefined set of system settings as defined below.Security code: '000000' (six zeros)Decimal point: 0123.4Label: mMinimum input calibration point: -125.00mVMaximum input calibration point: 125.00mVMinimum display range: -125.0Maximum display range: 125.0Channel trip reset horn latch1 4400 5500 silent inert2 8800 7700 silent inert3 13200 14100 silent inert4 17600 16500 silent inertThe selection of these parameters was arbitrary, and provides a recognizableoperation for a new unit.DEVAR Inc. Page 10 of 14 Model 3011DIGITAL CALIBRATION FOR LINEAR INPUTSFor linear inputs, no potentiometer adjustment is required. However, a method ofsimulating the input signal is required. For instance, to calibrate the 3011 for a 4/20 mAinput, a DEVAR model 18-MSC mini source calibrator can be used to generate thenecessary 4mA and 20mA signals. To perform the calibration, turn the unit on and allowthe unit to cycle to the indicate process mode. The following steps illustrate the processin performing this calibration.Activate the menu systemPress ENTER to start the main menu. Enter the security code if necessary.Set the input typeIf necessary, press NEXT until "SELECT INPUT TYPE" is displayed, then pressENTER. Use the and keys to display "mV", then press ENTER."STORED" is displayed for a few seconds.Define the input signal by sampling end pointsPress NEXT until "CAL. SYSTEM" is displayed. Press ENTER , "CAL. INPUT" isdisplayed. Press ENTER, "INPUT MAX." is display. Apply the maximum input signal,ie: 20mA following the above example, and press ENTER. The unit displays "G=2^0", andchanges to "G=2^1", "G=2^2", or "G=2^3" as it finds the appropriate gain to use for thisinput signal. The unit then displays "SAMPLE ". This number represents therelative magnitude at one point in the sampling process, and is only included as atroubleshooting measure. For instance, a shorted input should produce "G=2^3" and anumber approximately equal to 32768. A normal input could have any of the valuesobtainable, but should produce a number that doesn't vary by more than a few countsfrom display to display. When the sampling process is complete, "G=2^ ACCEPT" is displayed. The number now displayed represents the relativemagnitude of the average of the input samples. Press ENTER to accept this data point,display "OKAY", and proceed to "INPUT MIN.", or press NEXT to reject this data pointand return to "INPUT MAX.", or press RESET to end the calibration sequence and returnto "CAL. SYSTEM".After the maximum input signal sampling sequence has been completed andaccepted, "INPUT MIN." is displayed. Apply the minimum input signal, ie: 4mAfollowing the above example, and press ENTER. The unit proceeds through the samplingprocess in the same way as the previous step. When the sampling process is complete,"G=2^ ACCEPT" is displayed. Press ENTER to accept this data pointand complete the calibration process, display "STORED" and proceed to "DEFINERANGE", or press NEXT to reject this data point and return to "INPUT MIN.", or pressRESET to end the calibration sequence and return to "CAL. SYSTEM". If a previouscalibration had resulted in an unusual or erroneous process indication, observing thenumbers displayed as part of the accept prompt will verify that the unit is responding toa functioning signal source. Observing that the magnitudes between the two numbers aresignificantly different and/or that the two gains are different demonstrates that the inputis being read and has sufficient dynamic range.DEVAR Inc. Page 11 of 14 Model 3011Scale the display by entering the process quantities at the sample pointsFirst, determine what the process indication should be. The 3011 can display 99999to -9999 with a decimal point placed anywhere desired. A lot of grief and disappointmentcan be avoided by not trying to make the 3011 indicate a process quantity resolutionbeyond the ability of the attached sensor. For instance, assume a temperature transmitterthat was scaled from 0ºF to 150ºF with a basic accuracy of ±0.1%. The 3011 has been set upto indicate 0.00F to 150.00F. Since the accuracy of the transmitter is ±0.15ºF, the last digitin the process indication is ambiguous at best and a confusing nuisance at worst. A betterchoice would be to set the display range as either 0.0F to 150.0F or 0.F to 150.F.When "DEFINE RANGE" is displayed, press ENTER and "SET DP" will bedisplayed. Press ENTER again to begin the input routine. The current decimal pointselection is displayed. Use and to move the decimal point tothe desired location. Press ENTER when done, "STORED" is displayed for a moment then"DEFINE MAX. RANGE" is displayed. Following the above example, set the decimalpoint as "0123.4" to indicate a full scale range of 150.0.When "DEFINE MAX. RANGE" is displayed, press ENTER to activate the numericentry routine. The current value is displayed with the first digit flashing. Pressing or increments or decrements the value of the flashing digit.Pressing NEXT selects the next digit. Pressing ENTER accepts the displayed value as thedesired input. Enter the process quantity corresponding to the input signal sampled in the"INPUT MAX." step.When "DEFINE MIN. RANGE" is displayed, press ENTER to begin the entryroutine. Entry is identical to "DEFINE MAX. RANGE". Enter the process quantitycorresponding to the input signal sampled in the "INPUT MIN." step.When "PICK LABEL" is displayed, pressing ENTER activates the entry routine. Thecurrent setting will be displayed in the form of "PICK _", where the last character "_" is thecurrent setting. Pressing or increments and decrements thevalue of the current setting. Most of the basic displayable ASCII character set is available,along with a few custom characters. Make a selection and press ENTER.DEVAR Inc. Page 12 of 14 Model 3011ANALOG CALIBRATION FOR NONLINEAR INPUTSA defined non-linear input, such as thermocouple, depends on an analog calibrationfor indication accuracy. Internal DIP switch SW2 enables several different calibrationmodes. The following is the recommended method of performing an analog spancalibration for a thermocouple input.1) Remove power from the unit, remove unit from mounting and / or disassembleto facilitate access. BEWARE OF HIGH VOLTAGE AREAS2) Apply power to the unit and wait until unit cycles to process indication.3) Press the NEXT key, SELECT INPUT TYPE scrolls on the screen.4) Press the NEXT key again and the current selection is displayed.5) Use the and keys to display TC-N.6) Press ENTER and the current temperature scale is displayed.7) Use the and keys to display ºC.8) Press ENTER, “STORED” is displayed, press RESET several times to return toprocess indication.9) Set SW2 pole 1, CAL_VREF, ON and pole 2, CAL_AMBIENT, OFF.10) Apply 43846.4uV to the input as accurately as possible. At this point the Nthermocouple curve has a response of 37.2uV/ºC, so being within ±4uV of this pointallows calibration within ±0.1ºC.11) Adjust potentiometer P3 to change process indication to 1200.0C12) Set SW2 pole 1, CAL_VREF, OFF and pole 2, CAL_AMBIENT, ON.13) Press S1 RESTART switch and allow unit to cycle to indication.14) Apply 84.92S to ambient sensor terminals and adjust P1 for an indication of -40.00ºC. Apply 132.75S to ambient sensor terminals and adjust P2 for an indicationof 85.00ºC. Repeat until these two points read true without adjustment.15) The process is complete, reassemble unit.DEVAR Inc. Page 13 of 14 Model 3011GENERAL SPECIFICATIONSPower 90-140VAC 50/60Hz or 125 - 190VDC, 10VA maxOperating Temperature 0ºC to 70ºCDimensionsFront BezelPanel CutoutOverall48mm H x 96mm W x 12mm D45mm H x 91mm W48mm H x 96mm W x 166mm D1-15/16"H x 3-3/4"W x 6-1/2" Dpolycarbonate NEMA 4X bezel Black anodized aluminum bodyWeight 0.522Kg = 1.15lbs. = 18.4ozDisplay Six characters, 0.54" high, 15 segment, high efficiency red LED.User Input Four button integrated membrane switch front panel keypadRelay Output SPDT (form C) relays;10 amp 240VAC, 1/2 HP, 240 VAC 8 amps, 250VAC, 24VDCRelay Failsafe Operation energized in non-alarm condition,de-energized on alarm or power failurePower Outputexcitation orloop powerstabilityIsolation Strength10V @ 120mA MAX, 150mA short circuit24V @ 100mA MAX, 150mA short circuit43 ppm per ºC typ., 250 ppm per ºC max.; 500VAC to input terminals or earthDEVAR Inc. Page 14 of 14 Model 3011INPUT SPECIFICATIONSA/D converter 24 bit )-G typeReference Voltage 2.5V ±15ppm / ºC typicalInput Impedance >1010 Ohms-3dB frequency 12Hz.Input types Thermocouple type, range T, (-270/400ºC, -454/752ºF)J, (-210/1200ºC, -346/2192ºF)E, (-270/1000ºC, -454/1832ºF)K, (-270/1372ºC, -454/2502ºF)N, (-270/1300ºC, -454/2372ºF)R, (-50/1768ºC, -58/3215ºF)S, (-50/1768ºC, -58/3215ºF)B, (127/1820ºC, 260/3308 ºF) millivolts in full scale ranges of: ±125mV, ±62.5mV, ±31.25mV, and±15.625mV milliamps, amps add external shunt, 5S for 4/20mA otherwise keepmaximum E = I * R < 100mV strain gage use 10V excitation supplyAccuracy PRELIMINARY STATEMENTtemperature, overall ±3ºC { 1st 10% of defined span }±0.5ºC { remaining 90% of defined span }for response defined by ITS 90all others input detected to better than ±0.05% of input rangeUSER AND NUMERIC INPUT KEYSNEXTENTERRESETMake the next character the flashing characterAccept inputValue of the flashing character increasesValue of the flashing character decreasesPROGRAM FLOW FOR INPUT CALIBRATION ROUTINENEXTRESETENTEROKAYENTERNEXTRESETENTERENTERNEXTRESETINPUT MIN.RESETNEXTRESETApply the appropriate calibration input signal before proceedingNEXTCAL. SYSTEMthis option isonly activeif mV inputtype has been selectedENTERINPUT CAL. INPUT MAX.NEXTApply the appropriate calibration input signal before proceeding"G=2^"The most appropriate gain for the applied input signal is being determined.gain = 2 to the powerThe number represents the relative magnitude of the input signal at one point in the sampling process.The gain is as selected above. The number represents the relative magnitude of the average of the input samples"G=2^","",and "ACCEPT"alternate"SAMPLE" and ""alternate"G=2^"The most appropriate gain for the applied input signal is being determined.gain = 2 to the powerThe number represents the relative magnitude of the input signal at one point in the sampling process."SAMPLE" and ""alternate"G=2^","",and "ACCEPT"alternateThe gain is as selected above. The number represents the relative magnitude of the average of the input samplesDEFINE RANGE STOREDRESETENTERNEXTFLASHSCREENENTERNEXTRESETHORN ACTIONENTERRESETSTOREDENTERENTERON ALARMNEVERNEXTCHANGEACCESSCODEENTERRESETENTERnumeric entryNEXTALARM1ALARM2NEXTALARM3NEXTALARM4NEXTNEXTRESETRESETRESETRESET ENTERENTERENTERENTERENTERRESETxHORN xNEXTENTERRESETRESETNEXTRESET ENTERENTERnumeric entrynumeric entryTRIP xENTERNEXTNEXTSOUNDSILENTENTERSTOREDENTERLATCHxNEXTRESETENTERNEXT YESNOENTERSTOREDENTERTHIS SECTION IS REPEATEDFOR EACH ALARMADJUSTOFFSETENTERNEXT NEXTCLEAR OFFSETRESETNEXTENTERclearedNEW OFFSETENTERENTERNEXTRESETENTERdisplayedDISPLAY OFFSETRESETRESETnumeric entryENTERINPUT CAL.ENTERENTERNEXTRESETRESET, NEXTRESETSET DPENTERRESETENTERRESETENTERRESETENTERENTERENTERENTERPICK LABELENTERNEXTNEXTNEXTENTERRESETNEXTcalibration routineDEFINE RANGEuser selectionDEFINE MAX. RANGE numeric entryDEFINE MIN. RANGE numeric entryuser inputNEXTCAL. SYSTEMthis option isonly activeif mV inputtype has been selectedNEXTRESETSELECT INPUT TYPEENTERSOUND WITH ALARMLATCH WITH CHANGESOUND UNTIL RESETLATCH GOING ACTIVESTOREDENTERENTERENTERENTERNEXTNEXTSelect Input TypeTC-TTC-JTC-ETC-KTC-NTC-RTC-STC-BmVSTOREDENTERºCºFTemperatureScaleSelectionENTERENTERENTERENTERENTERENTERENTERENTERENTERDISPLAYPROCESSNEXTPEAK AND VALLEY VIEW PEAKENTERdisplayedENTERRESETNEXTNEXTCLEAR PEAKVIEW VALLEYRESETRESETENTERNEXTSTOREDENTERdisplayedENTERSTOREDCLEAR VALLEYNEXTRESETRESETNOYESissecurity active?ENTER ACCESS CODERESETNEXT ENTERis entry correct?YESNOENTERnumeric entrynumeric entryCONFIGURATION MENU FLOWCHARTDEVAR Inc.