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1. Figure 2 25 Dual Output SSR Relay Wiring 2104 use 120 Vac or Output 1 19 730 Vac Heat ap 2 Heat L oac Neutral Fuse Output 2 11 E 120 Vac or 230 Vac gt MOV 12 Cool O AC Neutral Load Figure 2 26 Dual Output SSR Triac Wiring 2104 puss 120 Vac or Output 1 acim 10 Sane Heat N dp 2 Bet oac Neutral Fuse Output 2 11 E 120 Vac or 230 Vac AK 12 Cool AC Neutral Load Chromalox 2104 Technical M anual 17 18 Heat Cool Control Output Wiring continued Figure 2 27 Dual Output Analog Relay Wiring Heater Power Controller 120 Vac or 230 Vac AC Neutral Heater Power Controller 120 Vac or 230 Vac AC Neutral 2104 Output 1 oo 10 4 20mA gt Common 2 Output 2 11 Fuse T MOV z 00 12 Load Figure 2 28 Dual Output Analog Triac Wiring 2104 Output 1 go 49 4 20mA gt Common 2 Output 2 11 Fuse ZA z 00 12 Load Chromalox 2104 Technical M anual Instrument Power Wiring M ake 120 Vac or 230 Vac instrument power connections to terminals 16 18 as shown in Figure 2 29 Figure 2 29 2104 100 240 Vac 16 100 240 Vac I
2. Figure 3 4 Security Levels and PAGE M ENU Contents Level Code Description A Display Page and Security Lock B 123 Setpoint and Auxiliary Setpoint C 458 Settings for Control Input Ramp Soak Digital Communications D 736 Calibration Security Codes Entering the The Security Code is entered on the Control PAGE Security Code tri at the MENU LocH This code determines which MEN Us may be viewed and adjusted The controller is set at Security Level A view only no adjustments when you receive it from Chromalox 26 Chromalox 2104 Technical M anual To access and enter the Security Code 1 Press and hold RESET for more than 3 seconds to enter Setup Mode Security Lock is the first menu that will appear Security C odes Figure 3 5 lists the Security C odes for each of the four Security Levels along with the levels that may be viewed and adjusted Figure 3 5 Security Security View Adjust Security Codes amp Level Code Level Level View Adjust A oo A A Levels B 123 A B A B 0 458 A B C A B C D 736 A B C D A B C D If a number other than one of the three codes listed above is entered at Loch on the Cert PASE adjusment of all parameters is locked out A n additional security number can be added using the menu for U ser Selectable Security Code Leri PASE menu Code Chromalox 2104 Technical M anual 27 Control Operation The 2104 Controller is capable of single output and heat cool PID cont
3. tuning isinvoked while the process temperature is at least 50 F below setpoint If no cooling medium is specified PASE Ceri Cool Pide the PID2 parameters Pbe Arg Aeg will not change during a self tune A cool tune tuning is invoked while the process temperature is at least 50 F above setpoint will compute PID parameters for cooling only One way to initiate a cool tune is to first heat tune then lower the setpoint by 50 F 28 C and initiate self tuning for cooling Cert PASE kunt BESn A cool tune will change PID2 settings if H eat C ool control is selected for the control type Cert PASE Cont HELL Chromalox 2104 Technical M anual 29 Control Fuzzy Logic O vershoot Protection Operation Fuzzy Logic Overshoot Protection Cer PASE continued FL works to minimize the overshoot that accompanies standard PID control The 2104 actively learns the characteristics of the load and adjusts the PID control algorithm to reduce overshoot O vershoot Protection when combined with PID constants established by the 2104 tuning algorithm produces a response that brings the process to setpoint with a minimum of overshoot Fuzzy Logic overshoot protection is not possible with ON OFF type control It is recommended that Fuzzy Logic is always enabled Ramp to Setpoint ceri PASE cc Ae 1 to 9999 degrees hour or OFF The Ramp to Setpoint feature allows the control setpoint to be ramped to the final value at powerup or d
4. Computer with RS422 r EAV i Interface Card 270 Q RCV 270 Q r RCV e XMT e XMT GND Note 270 Q resistors recommended across receive line on computer and last controller Figure 9 4 RS485 Wiring Connections 2 wire 2104 2104 GND R T RYT GND R T R T 23 22 21 23 22 21 2 i Computer with RS485 10 Interface Card R T 270 Q kd R T GND Note 270 Q resistors recommended across receive line on computer and last controller Chromalox 2104 Technical M anual 73 Digital Communications Programming and Setup A I programmed selections are made on the S PASE of the controller This setup PAGE appears only if the controller is equipped the digital Communications option Digital Communications Page d9 PASE MENU Description Available Settings Security di3t Mode Selection GFF Disabled C CPF Computer Interface LinE ASCII Line bAud Baud Rate 1200 2400 4800 9600 19 2K Addr Address 1 to 255 74 Chromalox 2104 Technical M anual Section 10 Calibration In this section you will find calibration instructions for calibrating e Sensor Input e Remote Setpoint Input e A nalog O utput Instructions are also given for e Factory Calibration Recovery e Calibration O ffset When is The 2104 controller is factory calibrated before Calibration shipment to you theref
5. Digital Communications 74 see Digital Communications in this index Display 26 34 see Display and Displays in this index Input 38 Output 1 39 Output 2 39 see O utput 1 in this index see O utput 2 in this index Output 3 50 see O utput 3 in this index Output 4 51 see Output in this index Output 5 52 see Output 5 in this index Ramp Soak 43 see Ramp Soak in this index PID1 22 28 29 35 59 61 PID2 22 28 29 35 37 59 61 Pushbuttons 21 31 a oo oe SS oh Se 104 Chromalox 2104 Technical M anual Ramp Soak 10 26 28 31 33 34 36 37 50 52 59 64 Operation 22 41 45 Programming 41 42 44 45 84 Ramp to Setpoint 28 30 Remote Setpoint 3 22 30 36 59 61 64 78 79 84 Repair 89 90 Reset Pushbutton 22 24 49 RTD Inputs 76 Calibration 76 Wiring 8 9 Security C odes 26 27 35 Security Levels 26 27 Self Tuning 29 88 Sensor Setup M enu 38 Wiring 7 10 56 87 Setpoint Ramp 28 30 Remote see Remote Setpoint in this index Setup M ode 22 24 27 Specifications 83 86 Thermocouple Inputs 8 76 Timer Loop 36 53 55 57 Troubleshooting 87 88 Tuning Self see Self Tuning in this index Chromalox 2104 Technical M anual 105 Warranty 89 90 Wiring Alarm 19 20 Current Input W iring Loop Powered by Controller 10 Current Input W iring Self powered 9 Digital Communications 72 73 Digital Input 10 Dual A nalog Output W iring 16 Dual Output A nalog Relay Wiring 18 Dual Output A nalog Triac Wi
6. max Process Input Instrument Sensor Span LPre Low min Process Input Instrument Sensor Span hA High max Ambient Temp Instrument Sensor Span Lof Low min Ambient Temp Instrument Sensor Span 38 Chromalox 2104 Technical M anual This PAGE appears only when Analog Input is selected Remote SP is enabled or Analog Output is enabled on Cert PASE Custom Scaling Page MENU Description Available Settings Security OP Analog Input Decimal Pts D none 1 1234 c 1234 3 1234 Aint Analog Input Low O 500 to 5000 RinH Analog Input High ED 500 to 5000 RotL Analog Output Low 70 500 to 5000 RotH Analog Output High 70 500 to 5000 ce SPL Remote SP Input Low 500 to 5000 SPH Remote SP Input High 500 to 5000 Output 1 Page MENU Description Available Settings Security CYci Output 1 Cycle Time 0 0 to 60 0 seconds C 0 0 Voltage Current algorithm OLI Output 1 Limit 0 0 to 100 0 HoFF Heat Offset 0 F to PB1 setting This PAGE is visible only if setup for heat cool control on CtrL PAGE Output 2 Page MENU Description CYce Output 2 Cycle Time GLe Output 2 Limit CoFF Heat Offset Available Settings Security 0 0 to 60 0 seconds C 0 0 Voltage Current algorithm 0 0 to 100 0 0 F to Pb2 setting Chromalox 2104 Technical M anual 39 40 Chromalox 2104 Technical M anual Section 5 Ramp Soak Operation The 2104 controller features a Ramp Soak Program The
7. position Controller Bottom Surface Sensor Selection Switch 4 4 20MA Down To Enable the R emote Setpoint Go to MENU SPontheltri PASE and select ON EJ N ote The Digital Input or AU X pushbutton can be used to switch between Remote Setpoint and Local Setpoint see page 57 for setup Chromalox 2104 Technical M anual 67 To Scale the Input Signal Go tothe Sch PASE MENUsrSPL remote setpoint low and SPH remote setpoint high Enter the sensor span low and high ranges For example for a 100 to 500 F range 4mA would equal 100 F setpoint and 20mA would equal 500 F setpoint This page appears only if Remote Setpoint and or Analog Process Output are Enabled Custom Scaling Page MENU Description eSPL Remote Setpoint Low eSPH Remote Setpoint High Available Settings Security Instrument Sensor Span Instrument Sensor Span Remote Setpoint Wiring Figure 8 2 2 Wire 4 20mA Transmitter Loop Powered 2104 24 Vdc Remote SP Input Common Figure 8 3 2 wire 4 20mA 1 5 Vdc Transmitter Self Powered 2104 24 Vdc Remote SP Input Common Figure 8 4 3 wire 4 20mA 1 5 Vdc Transmitter 2104 Remote SP Input 5 Common 68 Power Output Common Chromalox 2104 Technical M anual Analog The A nalog Output O ption is provided on controllers O
8. resolution unit Display Units nonE no units ag F Degrees Fahrenheit eE Degrees Celsius CoFF Display Cal 100 F to 100 F D Offset SPLL Setpoint Instrument Sensor Span Span Low Low Limit SPUL Setpoint Instrument Sensor Span Span High Upper Limit CALS Sensor inLo inLo D Calibration inhi done CAL Remote InLo InLo Setopint inhi Calibration dank Ro0 Analog Output O to 4095 Zero Calibration RoS Analog Output 0 to 4095 Span Calibration rECe Factory rd Ready Calibration Wait Recovery dont Finished Fle Digital Filter 0 to 60 seconds hPre High max Instrument Sensor Span Process Input LPre Low min Instrument Sensor Span Process Input hf High max Instrument Sensor Span Ambient Temp Lof Low min Instrument Sensor Span Ambient Temp 96 Chromalox 2104 Technical M anual Custom Scaling Page See page 39 for details Custom Scaling Page MENU Description Available Settings DP Analog Input 0 none Decimal Pts 1 1234 2 1234 3 1 234 Aint Analog Input 500 to 5000 Low AnH Analog Input 500 to 5000 High AlotL Analog Output 500 to 5000 Low fAotH Analog Output 500 to 5000 High eSPL Remote SP 500 to 5000 Input Low eSPH Remote SP 500 to 5000 Input High Factory Settings Security 1 Span Low Span High Span Low Span High Output 1 Page MENU Description Available Settings C4cl Output 1 0 0 to 60 0 seconds Cycle Time oui Output 1 0 0 to
9. 2 7 2 Wire Connections Figure 2 8 Current Input Wiring Self powered Chromalox 2104 Technical M anual 9 Figure 2 9 Voltage Input Wiring Self powered Figure 2 10 Current Input Wiring Loop powered by controller Digital Input Connections Figure 2 11 Digital Input Connections External Switch Figure 2 12 Momentary Contact Pushbutton for Ramp Soak 2104 1 5 Vdc 0 5 Vde 8 The 2104 has a 24 Vdc power supply which can be used to power a 4 20mA transmitter 2104 3 24 Vdc 4 20mA The digital input can be used in anumber of ways e to control ramp soak operations e to switch between two setpoints PID parameters or A uto M anual control e to reset an alarm e to disable the control output Setup for the digital input is shown on the Cert setup page An external switch pushbutton or dry contact can be connected to this input U se isolated switches only Do not tie the Digital Input terminals to ground e External Input Chromalox 2104 Technical M anual Output The 2104 is supplied with either Wiring e 1 Control Output for Single O utput Control 1 e 2 Control Outputs for H eat C ool C ontrol 1 and 2 The output wiring varies depending on the control type and applications The wiring instructions are presen
10. 3 Dead Band Ahi3 db3 Instrument Sensor Span Instrument Sensor Span 0 to 100 F Alarm Hysteresis mh3 Alarm 3 Inhibit OFF Gn Factory Settings Security Span Low C Span High PF OFF Output 4 Page See page 51 for details Output 4 Page MENU Description Available Settings Factory Settings Security t4P4 Output 4 Type OFF Disabled OFF C Ai Alarm Output Ent Event Output Setup Event Output parameters on Ramp Soak Page te4 Alarm 4 Type nonE Disabled off none Hi High Alarm Lo Low Alarm Hite High Low Alarm PoE Plus Deviation Alarm dE Minus Deviation Alarm oE Plus Minus Deviation Alarm LooP Control Loop Protection Alarm Chromalox 2104 Technical M anual 99 Output 4 Page See page 51 for details Output 4 Page continued MENU Description Available Settings Factory Settings Security cL44 Alarm 4 nd E Normally de energized nde C Relay Action non latching nE Normally energized non latching ndEL Normally de energized latching n EL Normally energized latching Rol 4 Alarm 4 Instrument Sensor Span Span Low Low Setpoint Ah Alarm 4 Instrument Sensor Span Span High High Setpoint db4 Output 4 0 to 100 F TF Dead Band Alarm Hysteresis inh4 Alarm 4 OFF OFF Inhibit Gn Output 5 Page See page 52 for details Output 5 Page MENU Description Available Settings Factory Settings
11. Communications D 736 Calibration Security Codes Security Codes Security Security View Adjust Security Codes Level Code Level Level A A A B 123 A B A B 0 458 A B C A B C D 736 A B C D A B C D 92 Chromalox 2104 Technical M anual Control Page See pages 35 37 for details Control Page Menu Description Available Settings Factory Settings Security LocH Security Lock 0 to 9999 458 A SP Setpoint Instrument sensor span Span Low B AuSP Auxiliary SP Instrument Sensor Span Span Low tunE Self Tune OFF Self tuning disabled OFF C PLP Powerup tuning BESn Begin tuning Pbl Proportional 0 F to sensor range 25 F Band 1 Ar Automatic 0 00 to 99 99 repeats minute 010 Reset 1 ceAtl Rate1 0 to 500 seconds 10 db Dead Band 1 1 to 100 F BaF 0 01 to 6 25 span for analog inputs Pb Proportional 0 F to sensor range 25 F Band 2 Are Automatic 0 00 to 99 99 repeats minute Di0 Reset 2 rAte Rate 2 0 to 500 seconds ig db Dead Band 2 1 to 100 F 5 F 0 01 to 6 25 span for analog inputs OFSt Manual Reset 99 9 to 99 9 3 0 FL Fuzzy Logic OFF Disabled Gn Gn Enabled Orn9 Open Sensor For Heat Cool Control adjustable 0 0 Output Command 100 0 to 100 0 100 0 to 0 1 for cooling 0 1 to 100 0 for heating LooP Control Loop OFF 0 1 to 999 9 minutes OFF Protection Auto Auto Manual 0 to 100 seconds ig Disintegration Timer ccAt Ramp Rate OFF OFF Chromalox 2104 Technical M anual 93 Control Page
12. Control adjustable 100 0 to 100 0 100 0 to 0 1 for cooling 0 1 to 100 0 for heating LooP Control Loop Protection Timer B OFF 0 1 to 999 9 minutes Ruto Auto M anual Disintegration Timer 0 to 100 seconds cc At Ramp Rate OFF 1 to 9999 degrees hour Cont Controller Type Controller type can be used as heat cool HEEL only if controller is equipped with Output 1 Heat and Output 2 Cool HEAE Reverse Acting Single Output Controller CooL Direct Acting Single Output Controller Heft Heat Cool Controller Cool Cooling Medium Fide Uses PID2 settings for cooling Air Air Cooling Di Oil Cooling HeD Water Cooling eSP Remote Setpoint Enable OFF Gn Ents Event Digital Input none Disabled Function Fide PID2 enable AuSP Auxiliary SP enable 5P Remote SP enable Gutd Output disable cS Ramp Soak Auto Auto Manual Air Alarm Reset 36 Chromalox 2104 Technical M anual Control Page continued MENU Description Available Settings Security Au Auxiliary Pushbutton E Disabled c Function Pide PID2 enable AuSP Auxiliary SP enable 5P Remote SP enable Gutd Output disable Auta Auto Manual Rout Analog Output Assignment 70 nonE Disabled Proc Process Variable ASP Active Setpoint Gut Control Output 1 Gute Control Output 2 rSEn Ramp Soak Ramp Soak On enables the Ramp Soak Setup Page 5P9 OFF Bn CodE User Selected Allows you to establish yourown D Security Code user de
13. Input and AUX Function The 2104 controller gives you two different options for actuation of any one of several field selectable controller functions 1 A Digital Input that is hardwired to terminals 1 and 2 of the controller 2 The AUX pushbutton located on the controller front faceplate You may choose to use either the Digital Input or the AUX pushbutton but you cannot use both Digital Input The Digital Input allows you to use a remote switch pushbutton or contact to perform any one of seven possible functions e PID1 PID2 Switch Output Disable Enable e SP AU X Setpoint Switch Ramp Soak e Local Remote Setpoint Alarm Reset Switch e A uto M anual Control Switch The external switching device is connected to the controller Digital Input at terminals 1 and 2 see page 10 for wiring instructions The Digital Input function is selected in the Ler PASE programming gt W hen the Digital Input is used the AU X A uxiliary LED on the controller front panel is used for indication of the Digital Input function LED Indicates Auxiliary Function ON or Enabled rsp Remote Setpoint Chromalox 2104 Technical M anual 59 60 AU X Pushbutton TheAUX front panel pushbutton can be assigned to perform any one of six possible functions and the AUX LED isused for indication of that function Like the Digital Input its function is selected in the Ceri PASE programming N o wiring or hardware adjustments
14. Interval 1 Time see Time Units Menu above a SPI Setpoint 1 Instrument Sensor Span Span Low eIntervals 2 15 Time and Setpoint nih Interval 16 Time see Time Units Menu above D SPI6 Setpoint 16 Instrument Sensor Span Span Low Cont Continuous OFF OFF Program Un Fro Loopfromthe itoi l end of interval to To the beginning ito 16 i of interval no Number of times Dto 9999 a SbEt Standby OFF Alloff OFF Events E3 Event Output 3 On E4 Event Output 4 On E43 Event Outputs 4 amp 3 On ES Event Output 5 On E53 Event Outputs 5 amp 3 On E54 Event Outputs 5 amp 4 On E543 Event Outputs 5 4 3 On HE Interval 1 OFF Alloff OFF Events E3 Event Output 3 On E4 Event Output 4 On E43 Event Outputs 4 amp 3 On ES Event Output 5 On E53 Event Outputs 5 amp 3 On E54 Event Outputs 5 amp 4 On E543 Event Outputs 5 4 3 On i6E Interval 16 same as above OFF Events GSdb Guaranteed GFF 1 F to sensor range DeF Soak differential Chromalox 2104 Technical M anual 95 Input Page See page 38 for details Input Page MENU Description Available Settings Factory Settings Security SEnS Sensor Type Sensor Type selected here must J C agree with dip switch settings J J Thermocouple 4 K Thermocouple T T Thermocouple E E Thermocouple R R Thermocouple 5 S Thermocouple B B Thermocouple Rid 100Q Pt RTD a 00385 4 24 4to 20mA 0 5 0to5 Vdc 1 5 1to5 Vdc rtdt 1000 Pt RTD 0 1
15. Security t4PS Output 5 Type GFF Disabled OFF Air Alarm Output Ent Event Output Setup Event Output parameters on Ramp Soak Page ieS Alarm 5 Type nonE Disabled off none Hi High Alarm Lo Low Alarm Lo High Low Alarm PoE Plus Deviation Alarm oE Minus Deviation Alarm dE Plus Minus Deviation Alarm LooP Control Loop Protection Alarm 100 Chromalox 2104 Technical M anual Output 5 Page See page 52 for details Output 5 Page continued MENU Description Available Settings Factory Settings Security cL45 Alarm 5 ndE Normally de energized ade C Relay Action non latching nE Normally energized non latching ngEL Normally de energized latching nEL Normally energized latching RolS Alarm 5 Instrument Sensor Span Span Low Low Setpoint AS Alarm 5 Instrument Sensor Span Span High High Setpoint dbS Output 5 0 to 100 F F Dead Band 0 00 to 6 25 for analog input Alarm Hysteresis inhS Alarm 5 OFF OFF Inhibit Bn Digital Communications Page See page 52 for details Digital Communications Page 29 PASE MENU Description Available Settings Factory Settings Security di9t Mode GFF Disabled CPF C Selection EPF Computer Interface LinE ASCII Line bAud Baud Rate 1200 19 24 2400 4800 9600 19 2K Adde Address 1 to 255 i Chromalox 2104 Technical M anual 101 Display Page See page 34 for details The Display Page is for
16. See pages 35 37 for details Control Page continued Menu Description Available Settings Factory Settings Security Cont Controller Type HEA Reverse Acting HEA G Output Controller CooL Direct Acting Single Output Controller Heft Heat Cool Controller Cool Cooling Pide Uses PID2 settings Pid Medium for cooling Air Air Cooling Di Oil Cooling HeG Water Cooling r5SP_ Remote OFF OFF Setpoint On Enable Ent Event Digital non Disabled none Function Pide PID2 enable AuSP Auxiliary SP enable 5P Remote SP enable Gutd Output disable cS Ramp Soak Auto Auto M anual Fic Alarm Reset Ru Auxiliary nonE Disabled none Pushbutton Pid PID2 enable Function AuSP Auxiliary SP enable cSP Remote SP enable Gutd Output disable Auto Auto M anual Rout Analog nonE Disabled ASP Output Prac Process Variable Assignment ASP Active Setpoint Doti Control Output Gute Control Output 2 rSEn Ramp Soak OFF OFF Gn CodE User Selected 0 122 LevelA D D Security Code 123 457 Level B 458 735 Level C 736 999 Level D 94 Chromalox 2104 Technical M anual Ramp Soak Page See pages 41 45 for details Ramp Soak Page MENU Description Available Settings Factory Settings Security unit Time Units SEc seconds 1 to 9999 SEC C fin minutes 0 1 to 999 9 h hours 0 01 to 99 99 Stb4 Standby Instrument Sensor Span Span Low Setpoint int
17. establish the optimum PID 2 cooling parameters based on the cooling medium used selected If air oil or water cooling medium is selected and P D1 parameters change during self tune OR Manually PID2 parameters will also be adjusted If Fide is selected PASE Ceri Coot Pida no cooling medium specified the PID2 parameters will change only if changed in M enus Fog Are and Ate Chromalox 2104 Technical M anual Control Self Tuning Operation The 2104 tuning algorithm establishes PID continued constants Psi Ari Act that will bring the process to setpoint as quickly as possible with little overshoot Tuning can be performed at powerup Cert PAGE konE Pe OF or can be initiated immediately Cert PASE tunt BE9n When tuning the 2104 will flash unE in the lower display If the process variable is not at least 50 F 28 C away from setpoint the 2104 will turn off the control output until the process temperature is 50 F from setpoint If the 50 F temperature difference is not reached within 30 minutes cErr will be displayed indicating that tuning was not successful tuning error Press RESET to clear cErr A fter successfully tuning tuning is turned OFF in the tuning menu EunE H eat C ool Self Tuning For heat cool control applications when the cooling medium is specified PASE Ceri Coot Fir HeD Gil both heat PID 1 and cool PID2 parameters are computed during a heat tune
18. file a claim with the transporter as they will not accept a claim from the shipper If the controller will not be immediately installed and placed into operation it should be stored in a cool dry environment in its original protective packaging until time for installation and operation Temperature extremes and excessive moisture can damage the instrument The 2104 has up to seven 7 hardware switches located on the bottom of the controller The switches are accessible through cutoutsin the controller housing and do not require that you remove the controller from its housing to access the switches Figure 2 1 identifies the switches Instructions for switch settings are given in the corresponding sections of the manual Switches 1 and 2 Digital Communications RS422 RS485 Controller Bottom Surface Switches 1 2 and 3 Switch 4 Switch 5 Sensor Input Remote Setpoint Analog Output Input Signal Signal Sensor Sensor selection requires that you Selection 1 Set the sensor switches for the correct sensor 2 Program the input sensor type in sensor selection setup on the inPt Page see page 36 It is much easier to set the sensor input switches before you mount and wire the controller To set the sensor switches 1 Locate the sensor switches 1 2 and 3 on the bottom of the controller as shown in Figure 2 1 on the previous page 2 Place the switches in the appropriate U p or Down position for your inp
19. i 6E Interval 16 Event GSdb Guaranteed Soak differential Available Settings Security SEc seconds 1 to 9999 fia minutes 0 1 to 999 9 hr hours 0 01 to 99 99 Instrument Sensor Span see Time Units M enu above Instrument Sensor Span see Time Units M enu above Instrument Sensor Span OFF Bn 170 16 17016 G79 9999 OFF Alloff E3 Event Output 3 On E4 Event Output 4 On E43 Event Outputs 4 amp 3 On E5 Event Output 5 On E53 Event Outputs 5 amp 3 On E54 Event Outputs 5 amp 4 On E543 Event Outputs 5 4 3 On OFF Alloff ES Event Output 3 On E4 Event Output 4 On E43 Event Outputs 4 amp 3 On E5 Event Output 5 On E53 Event Outputs 5 amp 3 On E54 Event Outputs 5 amp 4 On E543 Event Outputs 5 4 3 On same as above GFF 1 F to sensor range Chromalox 2104 Technical M anual 43 Control In order to use the Ramp Soak program it must be Operation enabled on the Ceri Page SEn Un Control of ramp soak operation Start Stop and Hold can be accomplished via the front panel In the Setup mode first return to the Normal Display M ode by holding the reset button for 3 seconds Pressing the up arrow key Starts the program pressing the down arrow key H olds the program and pressing both together Stops the program To Start Ramp Soak Program R S Indicator Press A To Hold Ramp Soak Program R S Indicator Flashes Press To
20. if selected Probable Cause Control Output Response Display Load Power is interrupted Turns control output off blown fuse or tripped circuit breaker Flashing If load power is interrupted by the circuit protection devices user supplied fuse or circuit breaker the Loop Alarm will be activated when the process variable goes outside of the proportional band for a time greater than the preset Loop Timer value The control output will be turned off and the failure will be indicated by the lower display flashing LoaP Loop Alarm Output Output 3 4 or 5 will be activated If selected Probable Cause Control Output Response Display Load fails open circuit Turns control output off Flashing If the load fails open the Loop Alarm will be activated when the process variable goes outside of the proportional band for a time greater than the preset Loop Timer value The control output will be turned off and the failure will be indicated by the lower display flashing LooP Loop Alarm Output Output 3 4 or 5 will be activated if selected Probable Cause Control Output Response Display Load fails short circuit Turns control output Off Flashing If the load fails shorted power to the load will be interrupted by the circuit protection devices user supplied fuse or circuit breaker The Loop Alarm will be activated when the process variable goes outside of the proportional band for a time greater than the preset Loop Timer va
21. interconnected to remove power from the load Probable Cause Control Output Response Display Sensor wiring reversed Turns control output off thermocouple only Flashing If the sensor wiring is reversed the Loop Alarm will be activated when the process variable goes outside of the proportional band for a time greater than the preset Loop Timer value The control output will be turned off and the failure will be indicated by the lower display flashing LooP Loop Alarm Output Output 3 4 or 5 will be activated if selected Probable Cause Control Output Response Display Sensor loses contact Turns control output off with process Flashing If the sensor loses contact with the process sensor becomes dislodged or pulled loose the Loop Alarm will be activated when the process variable goes outside of the proportional band for a time greater than the preset Loop Timer value The failure will be indicated by the lower display flashing LaoP Loop Alarm Output Output 3 4 or 5 will be activated if selected Probable Cause Control Output Response Display Sensor fails open circuit Defaults to preset 0 100 Flashing If the sensing device fails open the controller defaults to the preset output condition 0 100 rnb setting selected on the Ceri PASE menu and uses both displays to indicate OPEN SENS The Loop alarm is not activated for this condition Alarms selected as Low High Low Deviation or Deviation will actuat
22. observe polarity when connecting thermocouple leadwires The table below shows A NSI color coding for the thermocouples used with this instrument M aterial Polarity Polarity Plat 30 Rhodium Gray Red Plat 6 Rhodium Iron C onstantan W hite Red Chromel A lumel Yellow Red Chromel C onstantan Purple Red Copper C onstantan Blue Red Plat 13 Rhodium Plat Black Red Plat 10 Rhodium Plat Black Red M ake the thermocouple wiring connections to terminals as shown in Figure 2 5 2104 Shield Gnd H 18 3 Wire RTD Inputs W hen making the 3 wire RT D input connection it is important to make the resistance of all three extension leadwires equal by using the same gauge and same length of wire for optimum leadwire compensation Chromalox recommends 3 wire RT Ds for greatest accuracy and standard shielded copper wire for RT D extensions M ake 3 wire RTD connections to terminals 7 8 and 9 as shown in Figure 2 6 on the following page Chromalox 2104 Technical M anual Figure 2 6 3 Wire RTD Connections A Shield Grnd 2 Wire RTD Inputs If using a 2 wire RTD input use heavier gauge leadwires to reduce leadwire resistance A ny leadwire resistance adds directly to sensor resistance thus adding error to the process temperature measurement It is also necessary to jumper terminals 8 and 9 on the instrument to complete a 2 wire hookup Figure
23. of any control system W hen driving a contactor coil or other inductive load an appropriately rated A C snubber circuit is recommended C hromalox Part N o 0149 01305 as described on page 11 Relay Output Wiring 3 For sensor wiring practices see Sensor Wiring N otes next page 4 Additional information on good wiring practices is available from IEEE 345 East 47th St NY NY 10017 Request IEEE Standard N o 518 1982 M ake all electrical wiring connections to the back of the controller before power is applied to the unit All wiring must comply with local codes regulations and ordinances T his instrument is intended for panel mounting and the terminals must be enclosed within a panel Use National Electric Code NEC Class 1 wiring for all terminals except the sensor terminals Check the wiring decal on the side of the unit to verify the model number T he wiring decal shows the wiring terminations A II wires will be connected to the terminals on the back of the instrument case Specific wiring instructions for different input and output types are given in this section Chromalox 2104 Technical M anual Figure 2 4 Wiring Terminal Identification Digital Input nee Common 24 Vdc Output Analog Output Remote Setpoint Input Common Sensor Input 1 19 0 Output 1 2 20 11 and 2 Di
24. or 1 5 Vdc simulator Calibration is performed in the menu CALr on the Input Page 1 Connect the simulator to the remote setpoint input terminals 2 Go to menu CALr The lower display will show inLo indicating that you should first calibrate the input low end 4mA or 1 Vdc Chromalox 2104 Technical M anual Remote Setpoint Input Calibration continued 3 A djust the simulator to output the low end of the selected range Wait 30 seconds for the electronics to fully stabilize Press A Dashes will appear in the lower display while the controller calibrates the low end of span nop 4 When the controller prompts int in the lower display adjust the simulator to output the high end of the currently selected input span 20mA or 5 Vdc 5 Wait 30 seconds for the electronics to stabilize Press A Dashes will appear in the lower display while the controller calibrates the high end of span W hen finished the controller will display done HBB 6 Press RESET to exit calibration Chromalox 2104 Technical M anual 79 80 Analog Output Option Calibration The A nalog Output signal is calibrated using an appropriate current or voltage meter Calibration is performed in the two analog output calibration menus Ag 0 and As 5 on the Input Page 1 Connect the meter to the analog process output terminals To calibrate the analog output the output must be forced to the low end of span If the setpoint is selected
25. selected at iaPe PASE SENS 3 Recover Factory Calibration page 81 4 Attach sensor simulator and verify calibration page 76 5 Check Control Loop Protection Alarm 1 Verify output wiring page 11 2 Verify that load is not open and output jumpers are properly installed 3 Check control type entered at Cert PAGE Cont Heat Cool or Heat Cool 4 Check output limit entered on Gutl Gute PASE SLI GL Erratic operation 1 Intermittent sensor connections 2 Controller failure internal electronics 1 Check sensor wiring or substitute sensor simulator 2 Power down and repower up 3 Contact factory Chromalox 2104 Technical M anual continued on next page 87 Troubleshooting Guide Symptom Process not in control Probable Cause 1 Incorrect control action selected 2 Not tuned correctly Correction 1 Check control type entered Cert PASE Cont 2 See Self Tuning and PID settings Cert PASE Instrument continually goes through power up reset 1 Internal electronic failure 2 Drastic power line anomalies 1 Contact factory Erc3 displayed with PAGE in lower display Err4 displayed tErr flashing on upper or lower display 1 EEPROM failed redundancy check 1 A to D electronics failure 1 Self tune was enabled but unable to successfully tune because a process could not get 50 F below setpoint for heating or 50 1 Power down and b
26. state relay drive output connections N ote N egative lead connects to Terminal 2 Figure 2 15 Solid State Relay Drive Output Connections 12 Fuse 120 or 230 Vac Output 1 4115 2 H D D Load AC Neutral Current Voltage Output Controllers with output codes A O AA AR and AT give you the option of 4 20mA or 1 5 Vdc output W hen shipped from the factory these control outputs are configured for 4 20mA output For 1 5 Vdc output you must access the internal output board and move the jumper s to the 1 5 Vdc position as shown in Figure 2 16 on the following page Chromalox 2104 Technical M anual 13 1 5 Vdc Output Module Output 1 4 20mA Output 2 1 5 Vdc 4 20mA Controller Rear View oo00000 oo00000 Figure 2 16 Current Voltage Output J umper Positions A II controllers with A nalog O utput output codes A R AT for output 1 use same 4 20mA 1 5 V dc jumper positions as shown here Chromalox 2104 Technical M anual 14 Figure 2 17 Triac Output Connections 2104 10 Heat Load __ xA Fuse 11 Figure 2 18 4 20mA Analog Output Connections 2104 24 Vdc 0 GD 10 Power naa Controller o
27. 100 0 Limit HoFF Heat Offset 0 F to PB1 setting Output 1 Page See page 39 for details Factory Settings Security For 2104 A voltage or current output cycle time must be set to 0 0 Chromalox 2104 Technical M anual 97 Output 2 Page See page 39 for details Output 2 Page MENU Description Available Settings Factory Settings Security CYce Output 2 0 0 to 60 0 seconds 16 C 0 0 Voltage Current algorithm ole Output 2 0 0 to 100 0 100 0 Limit HoFF Heat Offset 0 F to PB1 setting D Output 3 Page See page 50 for details Output 3 Page MENU Description Available Settings Factory Settings Security t4P3 Output 3 Type GFF Disabled OFF C Air Alarm Output Ent Event Output Setup Event Output parameters on Ramp Soak Page Aic3 Alarm 3 Type non Disabled off non Hi High Alarm Lo Low Alarm Lo High Low Alarm PoE Plus Deviation Alarm dE Minus Deviation Alarm oE Plus Minus Deviation Alarm LooP Control Loop Protection Alarm cL 3 Alarm 3 ndE Normally de energized nde Relay Action non latching nE Normally energized non latching adEL Normally de energized atching nEL Normally energized atching 98 Chromalox 2104 Technical M anual Output 3 Page See page 50 for details Output 3 Page continued MENU Description Available Settings Rol 3 Alarm 3 Low Setpoint Alarm 3 High Setpoint Output
28. 2104 Chromalox Temperature Controller Issue Date Technical M anual May 1996 0037 75276 Table of Contents Sections Section 1 2 3 4 5 6 10 11 12 13 Appendices I Menu Index Topic Page Getting Started cscs iescevsiavedesneectesiwariinetivaehess 1 Tastall atin 2202 sess devi vous nae 3 OPEL ALON 6s cdssessetesdessheegetedecsstesesertagessrtsstetileseetsde 21 Controller Setup Pages soinissinisesirseisiiseiiisss 33 Ramp Soak Operation ceceeceeeeeeeesecneeeeeees 41 AN ANTM Sis ncra N E siaatds 47 Digital Input and AUX Function sses 59 Remote Setpoint amp Analog Process Output 67 Digital Communications 0 0 0 eee eerren 71 Calibrations wscivsivecedtsiesetiess cavssisassavesseveses eisenii 75 SPECICATION scivseccctiastecsstudvenstersesvanivesrinsiccerslueest 83 Troubleshooting kesisi 87 Warranty and Return cee eeeeeeeseeeneeenseeneeees 89 Setup PASS oinera asviayest iE 91 Chromalox 2104 Technical M anual Illustrations Figure Topic Page 1 1 A pplication seisissisisssassssceescsnssienacaseadacndicansesdasaacusaacan 1 1 2 M odel Identification ss ssacteessicesnintiassteamssaeadaateee 2 21 Sensor Selection Dip Switch Settings neseser 3 22 MOUNTING DIMENSIONS ceceecccsesseeteeetseseseesteeteeees 5 23 M ounting Diagram sericea ccsvarshusoseteanasbenes setacnace 5 2 4 Wiring Terminal Identification wc 7 2 5 T hermocouple Connections ssscsseeseeseereeees 8 2 6 3 W
29. 5 and 6 will be repeated 2 timesin addition to the single Program run of these intervals the final profile would look Figure 5 3 Figure 5 3 Looping Intervals INT1 INT2 INT3 INT4 INT5 INT6 INT4 INTS INT6 INT4 INTS INT6 INT7 INT8 k 1 Loop gt 2 Loop gt Guaranteed This Ramp Soak feature of the 2104 when enabled Soak assures that the soaking time in a soak interval does not begin until the process reaches setpoint or is within the guaranteed soak differential band A soak interval has the same setpoint at the beginning and end of the interval Figure 5 4 Guaranteed Soak e Te Programmed Setpoints Time gt mmm Actual Process Temp Guaranteed Soak is enabled on the SP9 PASE by setting the differential band to a value greater than 0 It is adjustable from 1 F to the sensor span 42 Chromalox 2104 Technical M anual This setup PAGE appears only if Ramp Soak control is turned on The Ramp Soak Enable parameter is the next to the last menu on Cert PASE Menu Cont Ramp Soak Page MENU Description unt Time Units Stby Standby Setpoint int Interval 1 Time SPi Setpoint 1 eIntervals 2 15 Time and Setpoint ini6 Interval 16 Time SPi6 Setpoint 16 Cont Continuous Program Fro Loop from the end of interval to To the beginning of interval no Number of times SbEt Standby Events HE Interval 1 Events
30. Minus Deviation Alarm de Plus Minus Deviation Alarm LecF Control Loop Protection Alarm cL 3 Alarm 3 Relay Action nad E Normally de energized non latching nE Normally energized non latching adeL Normally de energized atching m EL Normally energized atching Low Setpoint is used for low and deviation setpoints RLo3 Alarm 3 Low Setpoint Instrument Sensor Span High Setpoint is used for high and deviation setpoints RAH Alarm 3 High Setpoint Instrument Sensor Span db3 Output 3 Dead Band 0 to 100 F Alarm Hysteresis inh3 Alarm 3 Inhibit OFF Gn 50 Chromalox 2104 Technical M anual This setup PAGE appears only if the controller is equipped with Outputs 3 and 4 Output 4 Page MENU Description Available Settings Security tYP4Y Output 4 Type OFF Disabled Aie Alarm Output Ent Event Output Setup Event Output parameters on Ramp Soak Page Ri 4H Alarm 4 Type 48 nonE Disabled off Hi High Alarm Lo Low Alarm Hito High Low Alarm PoE Plus Deviation Alarm dE Minus Deviation Alarm de Plus Minus Deviation Alarm Loo Control Loop Protection Alarm eL Y Alarm 4 Relay Action adE Normally de energized non latching nE Normally energized non latching ngEL Normally de energized latching nEL Normally energized latching Low Setpoint is used for low and deviation setpoints Lo4 Alarm 4 Low Setpoint Instrument Sensor Span High Setpoint is used for hig
31. SR Drive jumper selectable Relay N O Form A Contact 1A at 120 or 230 Vac SSR Drive 24Vdc at 40mA TO Triac l Amp at 120 or 230 Vac AO Analog 4 20mA or 1 5 Vdc non isolated Outputs 1 amp 2 Heat Cool Control RR Relay Relay TT Triac Triac AA Analog Analog SS SSR Drive SSR Drive AR Analog Relay AT Analog Triac SR SSR Drive Relay ST SSR Drive Triac Code Outputs 3 amp 4 Alarm Event Outputs 0 None 1 Dual Relay Two 2 Form A contacts 1A at 120 or 230 Vac with shared common terminal Code Isolated Digital Communications Output 5 Alarm Event Output and Analog Output Option 0 None 1 RS 422 485 Digital Communications and Output 5 2 RS 232 Digital Communications and Output 5 3 Analog Output Option 4 RS 422 485 Digital Communications Output 5 and Analog Output Option 5 RS 232 Digital Communications Output 5 and Analog Output Option Code Power Supply 0 100 240 Vac or Vdc 1 12 24 Vdc or Vac 2104 RO 1 1 0 Typical M odel Number Chromalox 2104 Technical M anual Section 2 Installation Inspection and Unpacking Switch Settings Figure 2 1 Sensor Selection Dip Switch Settings Chromalox 2104 Technical M anual On receipt of your 2104 controller immediately make note of any visible damage to the shipment packaging and record this damage on the shipping documents Unpack the controller and carefully inspect it for obvious damage due to shipment If any damage has occurred YOU must
32. Sensor Span Output Low ROEH Analog Process Instrument Sensor Span C Output High 70 W hen Output 1 or O utput 2 are selected for transmission the low end of span 4mA or 1 Vdc represents 0 0 output and the high end of span 20mA or 5 Vdc represents 100 0 output Chromalox 2104 Technical M anual Section 9 Digital Communications The Digital Communications option is provided on the following controllers Model C ommunications 2104 2 RS232 2104 5 RS232 2104 1 RS485 422 2104 4 RS485 422 The Digital Communications option gives the 2104 the ability to interface with computers using either C hromalox s Computer Interface mode or ASCII Line mode T hese modes implement communications that can address up to 255 C hromalox controllers on an RS422A RS485 multidrop line The protocols for these two modes are described in the Digital Communications U ser s M anual P N 0037 75129 that is supplied with controllers containing the Digital Communication option ChromaSoft If a prepackaged software program is preferred for multidrop digital communication with up to 255 Chromalox controllers Chromalox offers C hromaSoft remote operator interface software C hromaSoft is DOS based and communicates with the controllers via a serial interface port Instructions for using C hromaSoft are given in the U ser s M anual provided with the software Hardware Setup RS232 can be used to conn
33. Stop Ramp Soak Program R S Indicator OFF Press A and W together A Starts the Ramp Soak program or if the program is on H old continues the program Vv Hold Stops the program in progress and holds the program until the A Start button is pressed Vv and A together Stop Pushbutton return the Ramp Soak program to the Standby setpoint 44 Chromalox 2104 Technical M anual Control R amp Soak continued Operation Alternately the Digital Input or C hromasoft can be continued used to control program operation T he ramp soak indicator LED right most decimal point in the lower display isON when a program is running OFF in standby and flashes in hold mode Note If the Aux key function is set to none Cert PASE Au nonE the current ramp soak status will be displayed when the A ux key is pressed PRERE Status Run Intervals Left Loops Left Chromalox 2104 Technical M anual 45 46 Chromalox 2104 Technical M anual Section 6 Alarms The 2104 controller can provide up to three alarm outputs using O utput 3 4 and 5 T hese optional outputs are indicated by the following controller model numbers Optional Outputs Model Number Outputs 3 and 4 2104 1 Output 5 2104 1 KD 2104 4 KG Each alarm is individually setup with a high and low setpoint on its own Page e Gut3 PASE e Gut PASE e Dat 5 PASE Outputs 3 4 and can be individually setu
34. a wide variety of applications and simply reconfigured as application needs change T his makes it an exceptional choice for OEM swith multiple control needs manufacturing facilities testing facilities and testing applications Figure 1 1 Typical Application Shutdown Output 5 Contactor Control Loop Protection SCR Heat e e gt Output 1 s NN Recorder Cool g gt Output 2 Computer gt High Alarm Output 3 Shutdown Digital Low Alarm Output 4 Process Com SCR Heat e e A AMMA Output 1 22 Cool a Output 2 Remote Local Setpoint Switch High Alarm Output 3 Shutdown gt Low Alarm Output 4 Remote Setpoint from DCS Chromalox 2104 Technical M anual 1 M odel Identification Before installation please identify your controller model number T he model number is written on the tag on the side of the housing Figure 1 2 Model Identification Model Temperature Controller 2104 Microprocessor based 1 4 DIN Temperature Controller Universal Sensor Input accepts Thermocouple RTD Current or Voltage Inputs PID ON OFF with Fuzzy Logic Control Capability One Digital Input and Analog Remote Set Point Code Outputs 1 Single Output Control RO Output 1 Single Output Control Relay S
35. able for each alarm output Wiring instructions for O utputs 3 4 and 5 are given on pages 19 20 Chromalox 2104 Technical M anual Alarm Output Relays 3 4 and 5 can be set to be normally Relay energized or de energized latching or non latching A Action normally de energized relay isin its non energized state when not in alarm For example O utputs 3 and 4 are normally open contacts W hen setup as normally de energized the relays will be open when not in alarm and closed when in alarm A non latching relay will not stay in alarm if the alarm condition goes away A latching relay will not go out of alarm until the alarm condition no longer exists and RESET is pressed Alarm Latching alarms can be reset by pressing the RESET Operation pushbutton on the controller front panel The alarm cannot be reset until the process is out of the alarm condition The Digital Input can be setup to function as a remote alarm reset button see pages 59 63 Chromalox 2104 Technical M anual 49 This setup PAGE appears only if the controller is equipped with Outputs 3 and 4 Output 3 Page MENU Description Available Settings Security tY P3 Output 3 Type OFF Disabled c Air Alarm Output Ent Event Output Setup Event Output parameters on Ramp Soak Page Ale3 Alarm 3 Type nonE Disabled off High Alarm Lo Low Alarm niLa High Low Alarm PoE Plus Deviation Alarm dE
36. ack up to retest EEPROM 2 Set controller to Level D 736 Security Code 3 Go to PASE shown Use RESET pushbutton to scroll through all menus Readjust any settings that appear incorrect After scrolling through all menus error will clear 1 Power down and up to reset 2 Consult factory 1 Press RESET to clear error Previous PID parameters are retained 2 Consult factory above setpoint for cooling in 30 minutes b over a 10 hour period the process has not changed enough to initiate turning c process went in and out of sensor range during tune d 2104 is unable to calculate PID parameters Loo error See pages 55 57 1 Press RESET to clear error 2 Verify wiring and external devices 88 Chromalox 2104 Technical M anual Section 13 Warranty amp Return Warranty Limitations C hromalox warrants only that the Products and parts manufactured by Chromalox when shipped and the work performed by Chromalox when performed will meet all applicable specification and other specific product and work requirements including those of performance if any and will be free from defects in material and workmanship under normal conditions of use A II claims for defective or nonconforming both hereinafter called defective Products parts or work under this warranty must be made in writing immediately upon discovery and in any event within three 3 years from delivery provided however all claims for defectiv
37. al 85 86 Sensor Leadwire Effect J Thermocouple K Thermocouple E Thermocouple R Thermocouple S Thermocouple B Thermocouple T Thermocouple RTD 4 20mA 1 5 Vdc 1 F for 1000 Ft of 18 AWG extension wire 5 F for 1000 Ft of 18 AWG extension wire 4 F for 1000 Ft of 18 AWG extension wire 3 F for 1000 Ft of 18 AWG extension wire 3 F for 1000 Ft of 18 AWG extension wire 6 F for 1000 Ft of 18 AWG extension wire 1 F temperatures gt 80 C 2 F temperatures lt 80 C 0 1 of Sensor Span 20Q balanced leadwire resistance Chromalox 2104 Technical M anual Section 12 Troubleshooting The following Troubleshooting G uide gives simple solutions to common problems and explains the 2104 s Error M essages Should you have a problem with your controller it isa good idea to check this Guide for possible corrections before contacting the factory The corrections are listed in the order in which they should be performed N ote A specific List of Loop A larms and probable causes are given on pages 55 57 Troubleshooting Guide Symptom Probable Cause Power applied display does 1 No power applied not light and controller does not function Correction 1 Check power wiring and fusing 2 Power down and repower up Display reads OPEN SENS 1 Open sensor 2 Out of calibration Process does not heatup 1 No power being applied to the load 1 Check sensor wiring page 7 2 Check sensor type
38. are required to use the AU X pushbutton as a function key LED Indicates Auxiliary Function ON or Enabled Ruto Auto M anual Control Programmable Pushbutton PID1 PID2 Toggle Switch SP Auxiliary Setpoint Switch Local Remote Setpoint Switch Output Disable Enable e Auto M anual Selector R emember e The Digital Input and AU X function pushbutton cannot be used at the same time e Ifthe AUX pushbutton is set to none it will display the Ramp Soak Program Status when pressed e When the AU X function monk the Digital Input can be used Chromalox 2104 Technical M anual Digital Input nonE None W hen disabled the Digital Input has no effect on controller operation If the AUX key is also disabled the AUX light is used to indicate the output state ON or OFF of Output 5 if the controller has Output 5 Pide Enable This function can be used in single output control applications only Leri PASE cont HERE or COOL W hen this function is selected the controller uses PID1 parameters Cert PASE when the Digital Input switch is open The PID2 parameters will be used when the switch is closed The AU X indicator isON when PID2 parameters are selected and OFF when PID1 parameters are selected RuSP A uxiliary Setpoint Enable W hen this function is selected the controller uses the Local Setpoint Cer PASE SP when the Digital Input switch is open The A uxiliary Setpoint Ceri PASE AuSP i
39. ch is closed 100 milliseconds then opened momentary action while in Standby M ode e In Run Mode this action will skip to the next interval e Hold M ode is entered by closing the Digital Input switch for 2 seconds while the program is running e Momentarily closing 100 milliseconds the input switch while in HOLD will continue the program e Closing the Digital Input Switch for 2 seconds while in Hold M ode will stop the program and return to Standby Chromalox 2104 Technical M anual Digital Input continued D Auto A uto M anual C ontrol This function allows the Digital Input to act as an A uto M anual C ontrol selector M anual operation is selected when the Digital Input switch is closed A utomatic operation is selected when the switch is open TheAU X light isON in Manual and OFF in A utomatic M ode ir Alarm Reset This function allows the Digital Input switch to be used as a remote A larm Reset button for use with latching type alarms The AU X light is used to indicate the state ON or OFF of Output 4 if the Output option is installed in the controller AUX Key TheAUX Key can be setup for any of the functions listed below nonE None W hen disabled the AU X Key has no effect on controller operation AU X can be used to display the Ramp Soak status if Ramp Soak is enabled If the Digital Input is also disabled the AU X light is used to indicate the state ON or OFF of Output if installe
40. d Chromalox 2104 Technical M anual 63 64 AUX Key continued Pide PID 2 Enabled This function can be used in single output control applications only Leri PASE Cont HERE or COOL W hen this function is selected pressing the AUX Key will toggle between PID1 Ceri PASE menus Pot Ari Ae i and PID2 Cert PASE menus Poc Are Aee parameters If the power is interrupted the last active PID parameters will be used when power is restored The AU X indicator is ON when PID2 parameters are selected and O FF when PID1 parameters are selected RuSP Auxiliary Setpoint Enable W hen this function is selected pressing the AU X Key will toggle between the A uxiliary and Local setpoints If the power is interrupted the last active setpoint will be used when power is restored The AUX indicator isON when the A uxiliary Setpoint is selected and OFF when the Local Setpoint is selected The setpoints are adjustable in O perator M ode according to security This function cannot be used when Ramp Soak is enabled rSP Remote Setpoint Enable W hen this function is selected pressing the AU X Key will toggle between the Remote and Local Setpoints If the power isinterrupted the last active setpoint will be used when power is restored Remote setpoint must be enabled Ceri PASE SP DN for this function to operate The AU X indicator isON when the Remote Setpoint is selected and OFF when the Local Setpoint is selected This func
41. d Low Settings for each Alarm Output Absolute High Low and High Low Tracking Deviation Deviation and Deviation Latching or Non Latching Energized or De Energized Adjustable 0 to 100 F On Power Up Enabled or Disabled Total of five 5 Control Alarm outputs possible Relay Form A contacts 1 0 Amps at 120 230 Vac resistive 24 Vdc nominal at 40mA 1 Amp continuous 10 Amp in rush at 120 or 230 Vac 4 to 20mA into 0 to 800Q field changeable to 1 5 Vdc Relay N 0 Form C contact 5A at 120 or 2 5A at 230 Vac resistive Field selectable Thermocouple RTD Current or Voltage 2 Samples per Second Chromalox 2104 Technical M anual 83 Input Specifications J T C K T C TT C ET C R T C S T C B T C 100Q Pt RTD 00385 rtat 0 1 res 4 20mA 0 5 Vdc 1 5 Vdc Transmitter Power 24 Vdc Output Ramp Soak Programming ntervals Loops Event Outputs Guaranteed Soak Differential Time Units Readout Stability K E Thermocouple T Thermocouple R S B Thermocouple RTD 4 20mA 1 5Vdc Open Sensor and Out of Range Conditions Remote Setpoint Input 84 Input Signal Range Accuracy Range F Range C Accuracy 77 F ambient 100 to 1400 73 to 760 0 2 of sensor span 300 to 2400 184 to 1316 0 2 of sensor span 350 to 750 212 to 399 0 2 of sensor span for PV gt 80 C 0 4 of sensor span for PV lt 80 C 100 to 1100 73 to 593 0 2 of se
42. e Chromalox 2104 Technical M anual To change a MENU value After the M ENU is selected and displayed use the A and W pushbuttons to change the value For large adjustments for example 100 to 200 hold the pushbutton pressed and the display will change more quickly To return to Operating M ode Press and hold RESET for more than 3 seconds The controller will automatically return to operating mode after 10 minutes of no pushbutton activity Hold for at least 3 seconds Figure 3 3 Sample of PAGE M ENU Table Control Page MENU Description Available Settings Security LocH Security Lock B 0 to 9999 A SP Setpoint Instrument sensor span B AuSP Auxiliary SP Auxiliary setpoint is accessible only if AUX pushbutton or Event Input is setup for Auxiliary Setpoint Instrument Sensor Span tunE Self Tune Self Tune automatically adjusts PID C parameters on powerup PrUP or on demand BES OFF Self tuning disabled P UP Power up tuning BESn Begin tuning Chromalox 2104 Technical M anual 25 Security Every parameter or selection in the 2104 controller s Levels setup PA GEshas an identifying MENU Each MENU isassigned one of four Security Levels A D In each level you may view certain MENUs and adjust certain MEN Us This allows you to set the Security level that is appropriate for your operating environment prohibiting unauthorized access to or accidental changing of control parameters
43. e Products and parts must be made in writing no later than thirty six 36 months after shipment by C hromalox Defective and nonconforming items must be held by Chromalox s inspections and returned to the original f o b point upon request THE FOREGOING IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES WHATSOEVER EXPRESSED IMPLIED AND STATUTORY INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FORA PARTICULAR PURPOSE N otwithstanding the provisions of thisWA RRANTY AND LIMITATIONS Clause it is specifically understood that Products and parts not manufactured and work not performed by Chromalox are warranted only to the extent and in the manner that the same are warranted to Chromalox by C hromalox s vendors and then only to the extent that Chromalox is reasonably able to enforce such a warranty it being understood C hromalox shall have no obligation to initiate litigation unless buyer undertakes to pay all cost and expenses therefore including but not limited to attorney s fees and indemnifies C hromalox against any liability to C hromalox s vendors arising out of such litigation Chromalox 2104 Technical M anual 89 90 Returns U pon buyer s submission of a claim as provided above and in its substantiation Chromalox shall at its option either i repair or replace its Products parts or work at the original f 0 b point of delivery or ii refund an equitable portion of the purchase p
44. e if selected continued on the next page 56 Chromalox 2104 Technical M anual Figure 6 1 CLP Loop Alarm Conditions continued Probable Cause Control Output Response Display Sensor fails Defaults to preset 0 100 short circuit RTD only Flashing If the RTD sensing device fails shorted the controller defaults to the preset output condition 0 100 Grab setting selected on the Ceri PASE menu and uses both displays to indicate GPEN SENS The Loop alarm is not activated for this condition Alarms selected as Low High Low Deviation or Deviation will actuate if selected Probable Cause Control Output Response Display Controller Self Diagnostic Defaults to preset 0 100 signal conversion Flashing If a failure occurs in the signal conversion circuit of the controller the controller defaults to the preset output condition 0 100 Orn setting selected on the Cer PAGE menu and displays Er on the lower display Loop Alarm Output Output 3 4 or 5 will be activated if selected Probable Cause Control Output Response Display Controller Self Diagnostic Turns control output off Flashing If a failure occurs in the control circuitry of the controller the control output will be turned off and Err3 will be displayed on the lower display Loop Alarm Output Output 3 4 or 5 will be activated if selected Chromalox 2104 Technical M anual 57 58 Chromalox 2104 Technical M anual Section 7 Digital
45. ead Band 1 PID2 Pbe dbe applies to Output 2 in heat cool mode For single output control can be used for Output 1 if switched via AUX pushbutton or Digital Input Pbe Proportional Band 2 Are Automatic Reset 2 rAte Rate 2 dbe Dead Band 2 Available Settings Security 0 to 9999 A Instrument sensor span B Auxiliary setpoint is accessible only if AUX pushbutton or Event Input is set up for Auxiliary Setpoint Instrument Sensor Span Self Tune automatically adjusts PID C parameters on powerup Pr UP or on demand BES OFF Self tuning disabled Pr Power up tuning BESn Begin tuning 0 F to sensor range G 0 F displays as oNoF to indicate ON OFF control 0 00 to 99 99 repeats minute 0 to 500 seconds dbi is not used unless Fbi is set to zero 1 to 100 F 0 01 to 6 25 span for analog inputs O F to sensor range 0 F displays as oNoF to indicate ON OFF control 0 00 to 99 99 repeats minute 0 to 500 seconds dbe is not used unless Pbe is set to zero 1 to 100 F 0 01 to 6 25 span for analog inputs Chromalox 2104 Technical M anual 35 Control Page continued MENU Description Available Settings Security OFSt Manual Reset 99 9 to 99 9 C FL Fuzzy Logic GFF Disabled Gn Enabled Drang Open Sensor Output Command In the event of an open sensor control output will automatically adjust to output preset For Heat Only or Cool Only control adjustable 0 0 to 100 0 For Heat Cool
46. ect a computer or modem to a single 2104 controller RS232 lines can be run over distances up to 50 feet RS422 and RS485 provide multidrop network communications where up to 255 controllers can communicate with a single computer at a distance of up to 4000 feet Chromalox 2104 Technical M anual 71 72 Figure 9 1 RS422 RS485 Communications Switches Figure 9 2 RS232 Wiring Connections Hardware Setup continued W hen shipped from the factory the multidrop communications interface is set for RS422 If you are using RS485 two switches in the controller hardware must be positioned for the communications interface Locate the switches on the bottom of the controller and position them as shown in Figure 9 1 Controller Bottom Surface Switch 1 2 vn Down Up vn Up Down Digital Communications Wiring W iring connections for the digital communications interface are made on terminals 9 13 using shielded serial interface cable 2104 Computer xmT I i XMT rcv 19 RCV DTR 22 GND 23 GND Note The DTR output is always enabled when the 2104 power is on Chromalox 2104 Technical M anual Figure 9 3 RS422A Wiring Connections 4 wire 2104 2104 GND RCV RCV XMT XMT GND RCV RCV XMT XMT 23 ko 19 be 21 23 Ro 19 22 21
47. fined security code 0 122 Level A 123 457 Level B 458 735 Level C 736 999 Level D Chromalox 2104 Technical M anual 37 Input Page MENU Description Available Settings Security SEnS Sensor Type O Sensor Type selected here must C agree with dip switch settings J Thermocouple K Thermocouple T Thermocouple E Thermocouple R Thermocouple S Thermocouple B Thermocouple td 100Q Pt RTD a 00385 20 4 to 20mA 5 0to5 Vdc 1to5 Vdc ctde 100 Q Pt RTD 0 1 resolution CLE T 0O AO m e RN E lIl ll gt un I ume Display Units none no units F Degrees Fahrenheit E Degrees Celsius CoFF Display Calibration B Display Calibration Offset offsets Offset temperature process reading 100 F to 100 F Setpoint Limits prevent setpoints from being adjusted above or below these pre established limits SPLL Setpoint Low Limit Instrument Sensor Span SPUL Setpoint Upper Limit Instrument Sensor Span CALS Sensor Calibration InLo D inhi done CALe Remote Setpoint Calibration InLo inhi done AoD Analog Output Zero Calibration 0 to 4095 RoS Analog Output Span Calibration 0 to 4095 rECc Factory Calibration Recovery cd Ready Wait donE Finished Digital Filtering menu FILT can be used to stabilize a fluctuating 0 1 resolution process variable display To stabilize the display increase the menu value adjustable from 1 to 60 seconds FiLt Digital Filter 0 to 60 seconds hPre High
48. for transmission Leri PASE Aout ASP this can be done by adjusting the setpoint to the low end of span i e J T C 100 F N Go to menu fo A djust the A nalog O utput using A and W until the meter reads 4mA or 1 000 V dc Note The number displayed in the lower display page is for reference only w Go to menu fo G ASP and adjust the setpoint to the high end of span i e for T C 1400 F D Go to menu fo 5 A djust A nalog Output using A and W until the meter reads 20mA or 5 000 V dc uI Press and hold RESET for 3 seconds to exit calibration mode Chromalox 2104 Technical M anual Factory This option allows you to return the controller to its Calibration factory calibration settings in the event that it is Recovery severely out of calibration due to poor technique or unauthorized calibration Although the factory calibration settings are recovered this does not guarantee original calibration accuracy T he Factory Calibration Recovery should be used asa starting point for recalibration should the unit become severely out of calibration Factory Calibration Recovery is performed on the nPE PASE menu cELe To reestablish the factory calibration constants 1 Disconnect load power 2 Go to menu r Ete and press A The controller will automatically recalibrate Hap 3 The lower display cycles from to dane Press RESET to exit the calibratio
49. gital L3 21 Communications 12 4 22 Output 3 Relay 5 23 6 24 Not Used Output 4 Relay 7 100 240 Vac or 4 5 25 6 12 24 Vac Vdc Instrument 8 gt ef 26 Output 5 7 AC Common Power 9 27 8 Shield Ground RTD TC 4 20mA Sensor Input Wiring Sensor Input Wiring N otes e Sensor leads thermocouple and RTD should not be run together in the same conduit as power wiring e Twisted pair shielded wire is recommended for sensor connections e False process readings can occur if the sensor wire is exposed to electrical noise e Ungrounded thermocouples are recommended e If thermocouple extension wire is required it must be the same type as the thermocouple i e if a Type K thermocouple is used then Type K extension wire must be used e Thermocouple wires should connect directly to the controller terminals Do not use copper crimp terminals or solder terminals to make connections e If shielded thermocouple wire is used the shield must be grounded at one end only preferably at the shield ground terminal on the controller as shown in Figure 2 5 e Three wire RT Ds are recommended for greatest accuracy e Standard shielded copper wire is recommended for RTD extensions Chromalox 2104 Technical M anual 7 T C Type B nwnaaAmMmMxn Figure 2 5 Thermocouple Connections T hermocouple Inputs It isimportant to
50. h and deviation setpoints RAHY Alarm 4 High Setpoint Instrument Sensor Span db4 Output 4 Dead Band 0 to 100 F Alarm Hysteresis inh Alarm 4 Inhibit OFF Gn Chromalox 2104 Technical M anual 51 This setup PAGE appears only if the controller is equipped with Output 5 Output 5 Page MENU Description Available Settings Security tEYPS Output 5 Type OFF Disabled c Air Alarm Output Ent Event Output Setup Event Output parameters on Ramp Soak Page AieS Alarm 5 Type nonE Disabled off Hi High Alarm Lo Low Alarm Lo High Low Alarm PoE Plus Deviation Alarm d Minus Deviation Alarm de Plus Minus Deviation Alarm LooP Control Loop Protection Alarm cLyS Alarm 5 Relay Action nadE Normally de energized non latching nE Normally energized non latching ndEL Normally de energized atching nEL Normally energized atching Low Setpoint is used for low and deviation setpoints RLo5 Alarm 5 Low Setpoint Instrument Sensor Span High Setpoint is used for high and deviation setpoints AHS Alarm 5 High Setpoint Instrument Sensor Span dbS Output 5 Dead Band 0 to 100 F Alarm Hysteresis inhS Alarm 5 Inhibit OFF Gn 52 Chromalox 2104 Technical M anual Control Loop Protection A larm CLP Control Loop Protection CLP monitors the controller s process variable input and load output to detect and respond to conditions indicating a failure in the control loop Sensor Controller Ou
51. ire RTD ConnectionS sssscescrirerine 9 2 7 2 W ire COMMOCHONS ssssccnssinssenrne 9 2 8 Current Input Wiring Self powered essere 9 2 9 Voltage IN put WiTING cesses 10 2 10 Current Input Wiring Loop power 0 0 10 2 11 Event Input Connections External Switch 10 2 12 M omentary C ontact Pushbutton for Ramp Soak 10 2 13 Relay Output C onnections scisesiscrucsesincranncencenuadince 11 2 14 SSR Drive Output Jumper Positions seen 12 2 15 Solid State Relay Drive Output C onnections 13 2 16 C urrent Voltage O utput Jumper Positions 14 2 17 Triac Output Connections sesscccccerreeere 15 2 18 4 20mA Analog Output Connections 15 2 19 1 5 Vdc Output Connections wisi secssssiacicasrvisaccssenes 15 2 20 Dual Relay Output W iring cece 16 2 21 Dual Triac O utput W iring necccccsccccccccre 16 2 22 Dual A nalog O utput W iring neseser 16 2 23 Dual SSR Drive Output W iring sescccssrrsere 16 2 24 Dual 1 5 Vdc Output W iring eccess 17 ii Chromalox 2104 Technical M anual Illustrations Figure 2 25 2 26 2 27 2 28 2 29 2 30 2 31 2 32 3 1 3 2 3 3 3 4 3 5 5 1 5 2 33 5 4 6 1 Topic Page Dual Output SSR Relay WiriNg eee 17 Dual Output SSR Triac WiFTNG cc ccceeteeeeeeeees 17 Dual Output A nalog Relay Wiring cee 18 Dual Output A nalog Triac Wiring eee 18 100 240 Vac Instrument Power C onnections 19 12 24 Vac V dc Instrument Power C onnections 19 A larm Event O utput
52. lue The control output will be turned off and the failure will be indicated by the lower display flashing LaoP Loop Alarm Output Output 3 4 or 5 will be activated if selected continue on the next page Chromalox 2104 Technical M anual 55 Figure 6 1 CLP Loop Alarm Conditions continued Probable Cause Control Output Response Display Controller or remote power Turns control output off control output fails open circuit Flashing If the controller output or the remote power control device SCR or contactor fails open the Loop Alarm will be activated when the process variable goes outside of the proportional band for a time greater than the preset Loop Timer value The failure will be indicated by the lower display flashing LaoP Loop Alarm Output Output 3 4 or 5 will be activated if selected Probable Cause Control Output Response Display Controller or remote power None control output fails short circuit load must be interconnected with alarm Flashing If the controller output or the remote power control device SCR or contactor fails shorted the Loop Alarm will be activated when the process variable goes outside of the proportional band for a time greater than the preset Loop Timer value The failure will be indicated by the lower display flashing LaoP Loop Alarm Output Output 3 4 or 5 will be activated To protect the loop under this condition the Loop Alarm Output Output 3 4 of 5 should be
53. n mode Chromalox 2104 Technical M anual 81 82 Display Calibration Offset If an offset on the temperature reading is desired the Display C alibration O ffset menu may be used In some applications this offset may be desired to match another instrument or an inferred temperature in another part of the system To establish the calibration offset 1 Go to menu CoFF on the Input Page 2 Use A and to set the calibration offset adjustable from 100 to 100 F Chromalox 2104 Technical M anual Section 11 Specifications Control Modes Automatic Control Adjustments Control Setpoint Setpoint Limits Deadband Proportional Band Manual Reset Automatic Reset Rate Output Cycle Time Output Limit Open Sensor amp Out of Range Output Command Display Offset Heat Cool Adjustments Output Offsets Cooling Medium Alarm Adjustments Setpoints Alarm Types Relay Action Alarm Deadband Alarm Inhibit Control Alarm Outputs Relay Solid State Relay Drive Triac Current Voltage Output 5 Optional Sensor Input Input Update Rate On Off Proportional P PID Proportional with Integral and or Derivative PID Pl PD PID Fuzzy Logic Heat Cool Dual PID Sensor Range Sensor Range 1 to 100 F Sensor Range 99 9 to 99 9 0 00 to 99 99 repeats per minute 0 to 500 seconds 0 1 to 60 0 seconds 0 0 to 100 0 0 0 to 100 0 100 to 100 F 0 to 100 of Proportional Band Air Water or Oil High an
54. ng from automatic to manual control the controller assumes the last output command from automatic mode W hen returning to automatic control the output is forced to be the last manual mode output command If automatic reset is enabled Cert PASE Hie non zero value the integral value slowly changes the output value until it reaches the correct automatic PID output value If automatic reset is not enabled the output is ramped from the last manual output command to the current automatic output command at a rate determined by the disintergration time menu Cert PASE Auto Chromalox 2104 Technical M anual 31 32 Chromalox 2104 Technical M anual Section 4 Controller Setup PAGEs Section Contents Section Page 5 6 8 9 This section contains detailed information for the following controller setup pages ciSP Display Ceri Control Pe Input ScAL Custom Scaling Butt Output 1 Gute Output 2 Setup PA GEs specific to certain functions are located in the section of this manual that addresses that function specifically Topic Ramp Soak Alarms and Events Remote Setpoint Input and A nalog Output O ption Digital Communications Setup PA GE 5PO Bucs Doth Guts Throughout the following Setup PAGEs you will find these symbols This indicates a section of this U ser s M anual where more specific information on a parameter application feature can be found Chromalox 2104 Technical M a
55. nical M anual Appendix 1 PAGE MENU Tables Setup Page PAGE Name PAGE Contents diSP Display Allows you to monitor any of 11 real time variables in the lower digital display process variable setpoint outputs timers and alarm status This is useful during troubleshooting or brief trending periods Values on this page are for display only and cannot be changed on this PAGE Ceri Control Security Lock Setpoints Self Tune PID1 and PID2 Control Parameters Manual Reset Fuzzy Logic Output Commands Control Loop Protection CLP Auto M anual Disintegration Timer Ramp Rate Controller Type Cooling Medium Event Digital Function Auxiliary Pushbutton Function Analog Output assignment Ramp Soak User Selected Security Code nPE Input Sensor Type Display Units Display Calibration Offset Setpoint Low Limit Setpoint Upper Limit ScAL Custom Scaling Analog Input Decimal Points Analog Input Low Analog Input High Analog Output High Remote Setpoint Input Low Remote Setpoint Input High Dut Output 1 Output 1 Cycle Time Output 1 Limit Heat Offset Bute Output 2 Output 2 Cycle Time Output 2 Limit Heat Offset Chromalox 2104 Technical M anual 91 Security Levels See pages 26 27 for details Security Levels and PAGE M ENU Contents Level Code Description A Display Page and Security Lock B 123 Setpoint and Auxiliary Setpoint Cc 458 Settings for Control Input Ramp Soak Digital
56. ning see Self Tuning Calibration 75 82 Calibration A nalog O utput 80 Factory Recovery 81 Offset 38 82 Remote Setpoint Input 78 Security C odes 26 Sensor Input 76 ChromaSoft 1 45 71 Control Loop Protection Alarm CLP 50 57 Control Parameters 23 26 28 Control Programming 21 22 24 25 Cycle Time 39 83 Digital Communications 1 2 71 74 H ardware Setup 71 72 Programming 74 Wiring 72 73 Digital Input 1 7 30 31 35 36 45 49 59 63 67 85 Dimensions 5 85 Dip Switches 3 Analog Output 69 Digital Communications 72 Remote Setpoint 67 Sensor Input 4 Displays 21 25 34 35 56 57 87 88 Display M ode Normal 21 22 44 46 Error M essages 87 88 Chromalox 2104 Technical M anual 103 Fuzzy Logic 30 36 Indications 21 Input Type 4 36 Inputs Sensor 1 8 10 76 Installation 3 Jumpers Output 11 14 17 Manual Operation 31 63 65 Menu Selection 24 M odel Identification 2 Mounting 4 5 Operation 21 31 Alarm 49 A uto M anual 63 65 Control 28 31 Erratic 87 M anual 31 Ramp Soak 10 41 45 62 Output 1 1 11 14 16 18 22 28 33 35 39 69 70 85 Output 2 1 11 14 16 18 22 28 33 35 39 69 70 85 Output 3 7 19 23 34 41 43 47 50 54 57 Output 4 1 7 19 23 34 41 43 48 49 55 57 Output 7 20 23 34 41 43 47 49 52 55 57 61 63 83 Output A nalog 69 70 Output Alarm Relays 49 52 Output Wiring 6 11 13 15 18 70 87 PAGE Control 26 28 35 37 Custom Scaling 39 68
57. nsor span 0 to 3200 18 to 1760 0 4 of sensor span 0 to 3200 18to 1760 0 4 of sensor span 50 to 3300 10 to 1816 0 4 of sensor span for PV gt 538 C 200 to 1000 128 to 538 0 2 of sensor span 99 9 to 899 9 73 3 to 432 1 0 2 of sensor span 500 to 5000 programmable 0 2 of sensor span 500 to 5000 programmable 0 2 of sensor span 500 to 5000 programmable 0 2 of sensor span 24 Vdc 20 at 50mA maximum 16 intervals 1 loop 0 255 times or continuous Up to 3 Off 1 F to sensor span Seconds Minutes Hours 1 second to 99 99 hours segment 1 F 10 F change in ambient temperature 2 F 10 F change in ambient temperature for sensor temperature gt 80 C 5 F 10 F change in ambient temperature for sensor temperature lt 80 C 2 F 10 F change in ambient temperature 0 5 F 10 F change in ambient temperature 0 05 of span 10 F change in ambient temperature Programmable control action with display indicating condition OPEN SENS 4 20mA 250Q Input Impedance 1 5 Vdc 110kQ Input Impedance Voltage or Current Field Selectable via switch Programmable over selected Sensor Span 0 3 of Sensor Span initial accuracy at 75 F ambient temperature and rated line voltage field calibrate to 0 2 of Sensor Span Chromalox 2104 Technical M anual Digital Input Analog Output Option Assignable Functions Output Signal Range Accuracy Accepts dry contact closure P
58. nstrument Power 17 Neutral Connections 18 Chassis Ground 2104 0 Figure 2 30 o wo Power Common Connections Chassis Ground 2104 1 Alarm Events The two independent alarm Output 3 or 4 relay Outputs outputs are connected as shown in Figure 2 31 3 amp 4 Figure 2 31 Alarm Event Outputs 3 and 4 2104 eo 13 Load AC Neutral Output 3 MOV o e 14 120 or 230 Vac Output 4 MOV L e 45 Load AC Neutral Fuse should be sized for the combined current of Output 3 and 4 Chromalox 2104 Technical M anual 19 20 Alarm Event The Form C Relay Output is connected as shown in C H 120 or 230 Vac Output 5 Figure 2 32 Figure 2 32 Alarm Event Output 5 arte 25 Load acneutral Normally I MOV Open ESON ruse Output 5 26 Normally Closed MOV 27 Load _ acneutral Fuse should be sized for the current of O utput 5 Chromalox 2104 Technical M anual Section 3 Operation Section Contents Pushbuttons and Indications Pushbuttons and Indications Security Codes and Levels Controller Operation Control programming is easily accomplished with the front panel pushbuttons The displays provide a constant overview of the process Figure 3 1 on the next page summarizes the functions of the pushbuttons and displays Normal Dis
59. nual 33 The Display Page is for status only None of the settings can be changed Display Page MENU Description Displays Security Proc Process Variable Sensor Span A ASP Active Setpoint Sensor Span Out Output 1 Command 0 0 to 108 0 Dote Output 2 Command 0 0 to 100 0 SP Remote Setpoint Input Sensor Span cS Ramp Soak Status GFF Program not running fun Program running Hol d Program in hold StbY Program in standby 9S5 Guaranteed soak int Ramp Soak Interval Number 0 16 LEFt Ramp Soak Time Left in Interval 0 0 to 999 9 hr min sec LooP Ramp Soak Loops Remaining 0 9999 Aie Alarm Output Status NonE No alarms R3 Alarm Output 3 RHY Alarm Output 4 R43 Alarm Outputs 4 and 3 AS Alarm Output 5 R53 Alarm Outputs 5 and 3 RSH Alarm Outputs 5 and 4 R543 Alarms 5 4 and 3 Ent Event Output Status NonE All off E3 Event Output 3 EY Event Output 4 E43 Event Outputs 4 and 3 ES Event Output 5 E53 Event Outputs 5 and 3 ESH Event Outputs 5 and 4 E543 Events 5 4 and 3 34 Chromalox 2104 Technical M anual Control Page MENU Description LocH Security Lock SP Setpoint AuSP Auxiliary SP tunk Self Tune PID1 Pbl dbl applies to Output 1 in heat cool mode For single output control PID1 Pbi db1 can be switched with PID2 Pbe dbe settings via AUX pushbutton or Digital Input Pb Proportional Band 1 Ari Automatic Reset 1 cRel Rate 1 dbi D
60. ore it is not necessary to Required calibrate the controller when you receive and install it Periodic calibration checks or adjustments of the unit should not be required under normal operating conditions Chromalox recommends that you recalibrate the controller in the following instances e all instruments in your facility are periodically calibrated to one device metrology Chromalox 2104 Technical M anual 75 76 Important Calibration Notes Sensor Input Calibration N Ww a Disconnect load power when calibrating or disable the control output using the AU X pushbutton RTD inputs should be calibrated using copper Cu wire and thermocouple inputs should be calibrated using thermocouple extension wire of the same type as the thermocouple you are calibrating Substitute a precision sensor simulator thermocouple simulator or resistance decade box for the sensor inputs The controller should be allowed to warm up with the appropriate sensor simulator connected for at least one hour prior to calibration To access the calibration you will need to be at LEVEL D security Enter Security Code 736 at menu LocH on the Ekri PASE The sensor input of the 2104 can be calibrated using an appropriate sensor simulator and the Sensor Calibration menu on the Input Page 1 2 Connect the sensor simulator to the sensor input terminals Go to menu CALS The lower display will sho
61. p as A larms or Events and can be individually disabled To function asan alarm the output type must be specified as an alarm output ALr in the first menu output type EYPS EXPY EPS If the function is an Event the output type must be specified asEnt The Events then are enabled in the Ramp Soak 5SP9 page Menus SbEt Standby Event through 16E gt Chromalox 2104 Technical M anual 47 48 Alarm Types Alarm Inhibit Alarm Wiring Each of the alarms can be set up for the following alarm types High A larm A bsolute Temperature A larm Low A larm A bsolute Temperature A larm High Low A larm A bsolute Temperature A larm Deviation A larm Setpoint Tracking A larm Deviation A larm Setpoint Tracking A larm D eviation A larm Setpoint Tracking A larm Control Loop Protection A larm System A larm see page 53 for detailed information The A bsolute Temperature A larms are set to a specific value i e if the High A larm is set for 100 F the alarm will turn on at 100 F T he Deviation Alarms or Setpoint Tracking A larms track the process setpoint If the A larm 5 F and the setpoint is 70 F the A larm will energize at 75 F W hen enabled the Alarm Inhibit feature prevents false alarms during initial powerup For example the low alarm will not be set until after the process temperature has initially reached setpoint A larm Inhibit is adjust
62. play Mode At powerup and when the controller is not being programmed the upper display shows the Process Value and the lower display shows the setpoint The setpoint can be changed in the N ormal Display M ode using the A and W pushbuttons if the Security Level allows setpoint changes see page 26 for Security Levels Use A and to change setpoint in Normal Display Mode Chromalox 2104 Technical M anual 21 Figure 3 1 Front Panel Identification LEDs indicate Control Output 1 or 2 ON LEDs indicate Alarm or Event Output ON RESET Pushbutton Reset Latching Alarm Hold for more than 3 seconds to enter or exit Setup Mode Scrolls through MENUs in Setup Mode Programmable Pushbutton PID1 PID2 Toggle Switch Auxiliary Setpoint Enable Remote Setpoint Enable Output Disable Ramp Soak Operations Auto M anual Selector 22 Process Variable Display in Normal Display Mode Alphanumeric Menu display LEDs indicate F or C selected for Process Variable LED indicates an Auxiliary function is active Active Setpoint Display eIn Normal Display M ode pushbuttons adjust Setpoint eIn Setup Mode pushbuttons increase decrease MENU values Ramp to Setpoint press once to determine target setpoint For Ramp Soak Operation Start Hold Press together o Stop OO oo Chromalox 2104 Technical M anual PAGE MENU All control parameters selections and calibration Setup procedu
63. program consists of 16 intervals plus a standby interval The time span and setpoint for each interval are individually adjustable T hese intervals make up a Ramp Soak Profile An example of a typical 8 interval Ramp Soak program is shown below Figure 5 1 Ramp Soak Profile Dev Alarm Setpoint wa Low Alarm Ea Es ee ee Ee ee eee Temperature IL Time Event Event Outputs may be configured to turn ON or OFF Outputs during each of the intervals Event outputs are merely timed outputs that are either ON or OFF during an entire interval Examples of event outputs might be annunciation of a soak interval an indicator light or addition of a product to the process Outputs 3 4 and 5 if your controller was purchased with these options may be setup as event outputs For O utputs 3 4 or 5 to be used as Events the output must be set up as an Event on its setup page i e Guts For example for O utput 8 to turn on during interval 2 set menu 2E interval 2 event to E3 Output 3 on See page 43 for details Figure 5 2 Event Outputs in Ramp Soak Profile Dev Alarm Setpoint g p F 3 Low Alarm g Time Event 1 Out 3 ON ON ON on on ae eee Event 2 Out 4 ON Chromalox 2104 Technical M anual 41 Looping Looping means that intervals within a Program may Intervals be repeated 1 to 9999 times If a loop is inserted in the program shown in Figure 5 1 so that intervals 4
64. r Valve 11 0 800 ohms A Figure 2 19 1 5 Vdc Output Connections 2104 1 5 Vdc Chromalox 2104 Technical M anual AC Neutral 120 Vac or 230 Vac 15 Heat Cool Control Output Wiring Figure 2 20 Dual Relay Output Wiring Heat Output 1 Load Fuse Output 2 Cool Figure 2 21 Dual Triac Output Wiring Load Fuse Cool 12 Load O AC Neutral 120 Vac or 230 Vac O AC Neutral U Heat 10 feat o AC Neutral 120 Vac or 230 Vac AC Neutral 2104 Output 1 Output 2 Figure 2 22 Dual Analog Output Wiring 2104 Output 1 Output 2 24 Vdc Figure 2 23 Dual SSR Drive Output Wiring 24 Vdc o 10 Output 1 State Relay i 11 Output 2 A 24 Vdc O h12 Heat Control 0 800 Ohm Cool Control 0 800 Ohm Fuse 120 Vac or 230 Vac Heat Load t O AC Neutral Fuse tO 120 Vac or 230 Vac Cool AC Neutral Load Chromalox 2104 Technical M anual Heat Cool Control Output Wiring continued Figure 2 24 Dual 1 5 Vdc Output Wiring Output 1 Heat Control Cool Output 2 Control N ote See page 14 for A nalog Voltage jumper positions
65. res for the 2104 are accomplished through simple MENU selections These MENU selections are organized into PAGES On each PAGE you will finda specific set of related functions This organization allows you to go directly to the parameter to be adjusted without stepping through a long series of unrelated entries Figure 3 2 illustrates the 2104 PA GE M ENU setup structure Only pages that apply to your unit will be displayed i e if you do not have Digital Communications option this page will not appear Figure 3 2 PAGE M ENU Setup Structure Display Control Input Ramp Custom Output 1 Soak Input Output Scaling Output 2 Output 3 Output 4 Output 5 Digital Communications Chromalox 2104 Technical M anual 23 24 Accessing a MENU is accomplished by entering the Setup M ode then selecting a PAGE and MENU To enter Setup Mode Hold down the RESET pushbutton for longer than 3 seconds Hold for at least Setup M ode entered 3 seconds To select a PAGE Press and hold the Reset pushbutton while pressing the A or W Pushbutton The upper display will increment or decrement through the PAGEs and PAGE will be displayed in the lower display Hold Press Aor Y Hold Press Aor VW Hold Press A or Y To selecta M ENU After reaching the correct PAGE press RESET to move through the M EN Us The alpha cue for the M ENU will appear on the upper display and the current value will appear in the lower display Se
66. rice The foregoing is C hromalox s only obligation and buyer s exclusive remedy for breach of warranty and is buyer s exclusive remedy against C hromalox for all claims arising hereunder or relating hereto whether such claims are based on breach of contract tort including negligence and strict liability or other theories buyer s failure to submit a claim as provided above shall specifically waive all claims for damages or other relief including but not limited to claims based on latent defects In no event shall buyer be entitled to incidental or consequential damages and buyer should hold C hromalox harmless therefrom A ny action by buyer arising hereunder or relating hereto whether based on breach of contract tort including negligence and strict liability or other theories must be commenced within one 1 year after the date of shipment or it shall be barred Items returned to Chromalox Instruments and Controls must be accompanied by a Return A uthorization N umber T his number may be obtained from Chromalox Instruments and Controls Customer Service Department Telephone N umber 615 793 3900 It should appear on the exterior of the shipping carton and on the shipping documents Defective items will be repaired or replaced at our option at no charge Return the defective part or product freight prepaid to Chromalox Instruments and C ontrols 1382 H eil Quaker Blvd LaVergne TN 37086 3536 Chromalox 2104 Tech
67. ring 18 Dual Output SSR Relay Wiring 17 Dual Output SSR Triac Wiring 17 Dual Relay Output Wiring 16 Dual SSR Drive Output W iring 16 Dual Triac Output Wiring 16 Dual 1 5 Vdc Output Wiring 17 Good Wiring Practices 6 H eat C ool O utput 16 18 Instrument Power 19 Output 16 17 48 Remote Setpoint 68 RS232 Wiring Connections 72 RS422A Wiring Connections 4 wire 73 RS485 Wiring Connections 2 wire 73 Sensor see Sensor Wiring in this index Terminal Identification 7 Voltage Input Wiring Self powered 10 106 Chromalox 2104 Technical M anual Chromalox INSTRUMENTS AND CONTROLS 1382 HEIL QUAKER BOULEVARD LAVERGNE TN 37086 3536 PHONE 615 793 3900 FAX 615 793 3563 WIEGAND INDUSTRIAL DIVISION EMERSON ELECTRIC CO jem IEMIERSON
68. rocess Variable Active Setpoint Output 1 Command Output 2 Command 4 20mA into 0 8009 load 1 5 Vdc into 100KQ or greater load Selectable via DIP switch Programmable over selected sensor span for retransmission of Process Variable and Active Setpoint fixed to 0 to 100 for transmission of output commands 0 2 of programmed span 1 LSD Digital Communications Optional RS 232 RS 422 485 Baud rates Protocols Instrument Power Operating Environment Dimensions Overall Depth Behind Projection Front Panel Projection Panel Cutout Case Material Front Panel Influence of Line Voltage Variation Noise Rejection Common Mode Noise Series Mode Noise RFI Single drop isolated M ulti drop isolated field selectable by switch 1200 2400 4800 9600 19 2K ASCII Line Computer Interface 100 to 240 Vac 10 15 12 to 24 Vac Vdc 10 50 to 60 Hz 32 to 150 F 0 to 65 C ambient temperature relative humidity less than 95 non condensing 3 8 x 3 8 x 4 75 inches 96 x 96 x 121mm 4 0 inches 102 mm 0 75 inches 19 mm 3 6 x 3 6 inches 92 mm x 92 mm High Impact Black ABS Plastic NEMA 4X Construction 0 1 of Sensor Span 10 change in nominal line voltage 140dB at 60 Hz 0 1 of Sensor Span with 300mV peak to peak 50 or 60Hz series mode noise Typically less than 0 5 of Sensor Span at a distance of 1 meter 3 1 feet from transmitter 4W 464M hz Chromalox 2104 Technical M anu
69. rol The selection for single or heat cool control ismade in the Controller Type menu Cert PAGE Cont with PID settings also in the Control Page A dditionally the 2104 features ramp to setpoint and ramp soak capabilities Control Algorithms PID isthe standard control algorithm of the 2104 ON OFF control action is selected by setting the proportional band Ceri PASE Pb or Poe to zero Two sets of PID and ON OFF control parameters are located in the C ontrol Page for increased flexibility A dditionally a Fuzzy Logic algorithm can be used to help prevent overshoot at power up or during upsets Standard Single O utput C ontrol In standard single output control Cer PASE Cont HEHE or Cool the Sensor Input is used to measure the process variable and O utput 1 is used to control the process PID1 parameters Cert PAGE doi Ari Att are used to determine the response of the control loop H eat C ool C ontrol In heat cool control Ceci PAGE Cant HEL Outputs 1 and 2 are used to control the process Output 1 acts as the H eat output and Output 2 acts as the Cool output PID 1 parameters Ceri PAGE Pbi Ari At are used to determine the response of the H eat output and PID2 parameters Ekri PAGE Poe Arg Ate are used for the cool output One way to automatically set the PID2 parameters is via the cooling medium parameters T hese are setup at menu Coot on the Cert PASE Cooling M edium parameters automatically
70. s 3 and 4 ccceeeeees 19 Alarm Event Output 45 sccccccercrernrrenn 20 Front Panel Identification sesser 22 PA G E M ENU Setup Structure nsssrcrrcsnnnns 23 Sample of PA G E M ENU Table cesses 25 Security Levels and PA G E M ENU Contents 26 Security Codes and View A djust Levels nass 27 Ramp Soak Profile sescscssicscsssiidesseseteaatassidereinavertensane 41 Event Outputs in Ramp Soak Profile ssc 41 Looping IntervalS sssssssssssisisisrerrirsrsrsrrrsrrrrresenenees 42 Guarant ed Soak iraniene 42 CUP A Varin Connection Senenin 55 Remote Setpoint Input Signal sesers 67 2 W ire 4 20mA Transmitter Loop powered 68 2 W ire 4 20mA 1 5 V de Trangnitter Self powered 68 3 W ire 4 20mA 1 5 Vdc Transmitter on 68 A nalog Process Output Signal ccceeeeeeeeees 69 Process Output W iring eccssecseseeesseteeseeeseeses 70 RS422 RS485 Communications Switches 72 RS232 W iring Connections ssssseccccccccren 72 RS422A Wiring Connections 4 Wire nesses 73 RS485 Wiring Connections 2 Wire sss 73 Chromalox 2104 Technical M anual Chromalox 2104 Technical M anual Section 1 Getting Started The Chromalox 2104 1 4 DIN temperature and process controller is a low cost high performance single loop controller that can be used for temperature flow pressure and level control applications With universal sensor inputs and front panel operator setup one 2104 controller can be easily field configured for
71. s used when the switch is closed The AUX indicator isON when the A uxiliary SP is selected and OFF when the Local Setpoint is selected The setpoints are adjustable in the O perator M ode according to security This function cannot be used when Ramp Soak is enabled rSP Remote SP Enable W hen this function is selected the controller uses the Local Setpoint Cer PASE SP when the Digital Input switch is open The Remote Setpoint is used when the switch is closed Remote Setpoint must be enabled Cert PAGE 5P n for this function to operate The AU X indicator isON when the Remote Setpoint is selected and OFF when the Local Setpoint is selected This function cannot be used when Ramp Soak is enabled Chromalox 2104 Technical M anual 61 62 Digital Input continued Ooto Output Disable W hen this function is selected the control output s are enabled when the Digital Input switch is open and disabled when the switch is closed The AUX indicator isON when the control output s are disabled and OFF when enabled N ote Disabling the outputs allows all control parameters to be set up without starting the process T his setting is NOT intended for process shutdown An external disconnect should be used for process shutdown r5 Ramp Soak This function allows the Digital Input to act asa Start Stop and Hold button for controlling Ramp Soak operation e Ramp Soak operation is started when the Digital Input swit
72. status only None of the settings can be changed Display Page MENU Description Proc Process Variable RSP Active Setpoint Gut Output 1 Command Dote Output 2 Command Displays Security Sensor Span A Sensor Span 0 0 to 100 0 8 9 to 100 0 eSP Remote Setpoint Input Sensor Span r5 Ramp Soak Status GFF Program not running runm Program running Hol d Program in hold StbY Program in standby 9S5 Guaranteed soak int Ramp Soak Interval Number 0 16 LEFt Ramp Soak Time Left in Interval 0 0 to 999 9 hr min sec LooP Ramp Soak Loops Remaining 0 9999 Rie Alarm Output Status NonE No alarms R3 Alarm Output 3 RHY Alarm Output 4 R43 Alarm Outputs 4 and 3 AS Alarm Output 5 R53 Alarm Outputs 5 and 3 RSH Alarm Outputs 5 and 4 R543 Alarms 5 4 and 3 Ent Event Output Status NonE All off E3 Event Output 3 EY Event Output 4 E43 Event Outputs 4 and 3 ES Event Output 5 E53 Event Outputs 5 and 3 ESH Event Outputs 5 and 4 E543 Events 5 4 and 3 102 Chromalox 2104 Technical M anual Index Accuracy 7 8 81 85 Alarm Inhibit 48 50 51 52 83 A larm O peration 49 A larm Outputs 34 47 51 83 A larms Control Loop Protection see Control Loop Protection A larm Latch N on Latching 49 52 63 83 Low A larm 1 41 50 52 Reset 22 49 Wiring 19 20 A nalog O utput O ption 2 67 70 80 85 A pplications 1 29 61 82 A uto M anual 10 22 36 37 59 60 63 65 A uto Tu
73. ted separately for each of these two controller types applications Warning Incorrect output wiring may cause system process damage Single Output Control Wiring Relay Output Output Code RO on the 2104 2104 RO gives you the option of SSR Drive or Relay control for output 1 When shipped from the factory the relay output is active Figure 2 13 Relay Output Connections 10 120 or 230 Vac ee cag L 11 Load AC Neutral Snubber SSR Drive Output For SSR drive output applications you must move an internal jumper on the Output 1 module to select SSR drive output Remove the controller from its housing and locate the output module as shown in Figure 2 14 on the following page Reposition the jumper to select SSR Drive output Chromalox 2104 Technical M anual 11 Figure 2 14 SSR Drive Output Jumper Position Output 1 Module Controller Rear View f IN i Output M odule Chromalox 2104 Technical M anual Relay e e o as shipped from factory SSR Drive 12 Solid State R elay Drive C onnections The solid state relay drive output drives solid state relays such asthe Chromalox 4115 or 4117 power modules which accept 3 to 32 Vdc input ON signals and 0 Vdc OFF signals See Figure 2 15 for solid
74. time a Loop Error will result and the control output will turn off The error will be indicated by the lower display flashing LoaP and Loop A larm Output Output 3 4 or as selected on the menu will be activated The Loop A larm is cleared by pressing RESET Press RESET to clear Loop Alarm Warning The CLP isnot a substitute for safety shutdown devices such as flow switches or overtemperature monitors The CLP A larm responds to specific conditions that may provide early warning of system loop failures or aid in troubleshooting failures Chromalox 2104 Technical M anual CLP Loop Alarm Conditions The following table details conditions that activate a loop alarm and gives the controller response to the condition Figure 6 1 CLP Loop Alarm Conditions Probable Cause Control Output Response Display Loss of process flow Turns control output off Flashing In a control application where the process is being heated at one point and measured ata point downstream CLP Alarm could be used to detect a flow failure If the process flow is interrupted and heat is no longer transferred to the sensor the controller output will increase to 100 the Loop alarm will start timing the load response and when the preset Loop Timer value is reached the Loop Alarm will be activated and the control output will be turned off The failure will be indicated by the lower display flashing LaoP Loop Alarm Output Output 3 4 or 5 will be activated
75. tion cannot be used when Ramp Soak is enabled Chromalox 2104 Technical M anual AUX Key continued Outo Output Disable W hen this function is selected pressing the AU X Key will toggle between outputs enabled and outputs disabled The AU X indicator isON when the control output s are disabled and OFF when enabled N ote Disabling the outputs allows for all the parameters to be set without starting the process T his setting is not intended for shutdown of the process An external disconnect should be used Auto A uto M anual W hen this function is selected pressing the AU X Key toggles between M anual and A utomatic operation with A utomatic as default at powerup The AU X light isON in M anual M ode and OFF in A utomatic M ode Chromalox 2104 Technical M anual 65 66 Chromalox 2104 Technical M anual Section 8 Remote Setpoint amp Analog Output Option Remote Setpoint Figure 8 1 Remote Setpoint Input Signal The Remote Setpoint standard feature allows an external device to control the setpoint of the controller The Remote Setpoint input accepts either 4 20mA or 1 5 Vdc input signals selectable by a switch on the bottom of the controller The Digital Input or AU X pushbutton can be set up to switch between the Local Setpoint and the Remote Setpoint To Select the R emote Setpoint I nput Signal Locate switch on the bottom of the controller as shown in Figure 8 1 Place the switch in the desired
76. tput Load or Process flow CLP is selected by setting the LaoP Timer on the Cer PASE menu to a value from 0 1 to 999 0 minutes 0 0 disables CLP Loop Timer gt Time in minutes The timer setting should be chosen according to the response time of the system The minimum time seting should be 0 25 of span divided by the normal load response rate to full ON or full OFF condition whichever is slower Minimum Timer Setting Span x 0025 Slowest Response Rate Heat or Cool Response Rate Process Response in degrees minute when 100 ON or 100 OFF Example For a controller with type T C span 100 F to 1400 F 0 25 of span is 3 75 F If the heating response is 2 F min and the cooling response is 1 F min the minimum Loop Timer setting would be 3 8 minutes To prevent false alarms it is recommended that you start by doubling the setting to 7 6 minutes The CLP A larm sequence begins when the control output reaches 0 0 or 100 0 process variable outside of the proportional band The controller then measures the time for the process variable to respond increase or decrease the process variable and compares the measured time to the Loop Timer value Chromalox 2104 Technical M anual 53 54 Control Loop Protection A larm continued If the control loop does not respond with a change in the process variable of 0 25 of span 3 75 F for aJ thermocouple within the programmed loop
77. uring operation when the setpoint is adjusted At powerup the setpoint is ramped from the current measured process temperature to the control setpoint During operation the setpoint is ramped from the current value to the new value W hen enabled Ramp to Setpoint will begin in any of the following situations e Powerup e Change of setpoint from front panel e Change of setpoint from digital communications e Digital Input or A ux Key used to change between the local and auxiliary setpoints e Digital Input or A ux Key used to change between the local and remote setpoints e Remote Setpoint is active and the remote device changes the setpoint faster than the programmed ramp rate 30 Chromalox 2104 Technical M anual Control Manual Operation Operation M anual operation allows the controller output continued command to be controlled from the front panel Keyboard On initial powerup the controller enters A utomatic control mode closed loop When M anual M ode is entered the output command appears in the lower display The output command can be adjusted using the up and down arrow keys The manual mode can be entered by using the A ux Key or the Digital Input Leri PAGE Ent or Auta M anual Operation isnot possible when ramp soak is enabled In the heat cool control mode only the currently active control output can be adjusted The transfer between A utomatic and M anual operation is bumpless and balanceless W hen switchi
78. ut type Switch Input Type 1 2 3 T C Up Up Up RTD Down Up Up 4 20mA Up Down Down 1 5 Vdc Up Up Down Mounting Figure 2 2 on the following page shows the mounting dimensions for the controller 1 Cut out the square panel cutout mounting hole and install the unit as shown in Figure 2 3 2 Place the controller through the square panel cutout and replace the mounting clip 3 Tighten the mounting clip screw do not over tighten to secure the controller firmly against the mounting surface Chromalox 2104 Technical M anual Figure 2 2 Mounting Dimensions 40 102 i ery U M easurements are shown in inches M illimeters are shown in parentheses Figure 2 3 M ounting Diagram Mounting Hole Mounting Clip Mounting Tab lt Panel Cutout Chromalox 2104 Technical M anual 5 Wiring Instructions Good Wiring Practices 1 When planning the system wiring separate wiring into functionally similar bundles i e power leads sensor leads output signal lines etc If the power leads and sensor leads must cross they should cross at a 90 angle to each other perpendicular 2 Locate all sources of electrical noise in your system and separate these sources from the control systems motors contacts solenoids etc Electrical noise can affect the function
79. utput with model number Option e 2104 3 e 2104 zs KKK AK e 2104 KKDX This option can be used to transmit any one of four process parameters POC ee Process Variable ASP oe A ctive Setpoint SUGE lieuras Output 1 Command 0N 6 Qube isss Output 2 Command 0N The variable can be transmitted to a remote recorder computer or other device via a 4 20mA or 1 5 Vdc signal selectable by a switch on the bottom of the controller To Select the A nalog Process O utput Signal Locate switch 5 on the bottom of the controller as shown in Figure 8 2 Place the switch in the desired position Figure 8 5 Analog Output Signal Controller Bottom Surface 4 20mA Up 1 5 Vdc Down Chromalox 2104 Technical M anual 69 To Enable the A nalog Output O ption Go to M ENU Aut on the Ler PASE and select one of the 4 parameters Figure 8 6 2104 Process Analog Output 4 ae a 4 Output Wiring put Common 6 Common To Scale the Output Signal W hen the Process Variable or A ctive Setpoint is selected for transmission the output signal is scaled using the A nalog Output scaling M EN U s Goto the ScAL PASE MENUsAGeI analog output low and Geh analog output high Enter the output signal range to be sent to your recorder or computer i e 100 4mA and 500 F 20mA Custom Scaling Page MENU Description Available Settings Security DEL Analog Process Instrument
80. w into indicating that you should first calibrate the sensor low end Chromalox 2104 Technical M anual Sensor Input Calibration Sensor continued J T C K T C o aA D mMm RTD rtat 0 1 4 20mA 0 5 Vdc 1 5 Vdc 3 A djust the simulator to output the low end of the selected sensor range Sensor minimum ranges are F c 100 73 300 184 350 212 100 73 0 18 0 18 50 10 48 469 70 98Q 4mA 0 Vdc 1 Vdc 4 Wait 30 seconds for the electronics to fully stabilize Press A Dashes will appear in the lower display while the controller calibrates the low end of span By gt 5 When the controller prompts int in the lower display adjust the sensor simulator to output the high end of the currently selected sensor span Sensor maximum ranges are Sensor J TIC K T C annwam reo RTD rtat 0 19 4 20mA 0 5 Vdc 1 5 Vdc Chromalox 2104 Technical M anual F c 1400 760 2400 1316 750 399 1100 593 3200 1760 3200 1760 3300 1816 293 492 275 042 20mA 5 Vdc 5 Vdc 71 Sensor Input Calibration continued Remote Setpoint Input Calibration 78 6 Wait 30 seconds for the electronics to stabilize Press amp Dashes will appear in the lower display while the controller calibrates the high end of span W hen finished the controller will display done gt gt 7 Press RESET to exit calibration The Remote Setpoint Input is calibrated using an appropriate 4 20mA

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