Chromalox 2104 Technical Manual
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Chromalox 2104 Technical Manual

Temperature controller
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2104
Chromalox
Temperature Controller
C
Issue Date
Technical Manual
May 1996
0037-75276

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Summary of Contents for Chromalox 2104

  • Page 1 ® 2104 Chromalox Temperature Controller Issue Date Technical Manual May 1996 0037-75276...

  • Page 2: Table Of Contents

    Digital Input and AUX Function ......59 Remote Setpoint & Analog Process Output ..67 Digital Communications........71 Calibration ............75 Specifications ............83 Troubleshooting ........... 87 Warranty and Return..........89 Appendices Setup Pages............91 Menu Index Index ....................103 Chromalox 2104 Technical Manual...
  • Page 3 Dual Relay Output Wiring ........16 2.21 Dual Triac Output Wiring ........16 2.22 Dual Analog Output Wiring ........16 2.23 Dual SSR Drive Output Wiring ......16 2.24 Dual 1-5 Vdc Output Wiring ......... 17 Chromalox 2104 Technical Manual...
  • Page 4 3-Wire 4-20mA, 1-5 Vdc Transmitter ....68 Analog Process Output Signal ....... 69 Process Output Wiring ........... 70 RS422/RS485 Communications Switches ..... 72 RS232 Wiring Connections ........72 RS422A Wiring Connections (4-wire) ....73 RS485 Wiring Connections (2-wire) ..... 73 Chromalox 2104 Technical Manual...
  • Page 5 Chromalox 2104 Technical Manual...

  • Page 6: Getting Started

    With universal sensor inputs and front panel operator setup, one 2104 controller can be easily field configured for a wide variety of applications, and simply reconfigured as application needs change. This...

  • Page 7: Model Identification

    Analog Output Option RS-422/485 Digital Communications, Output #5 and Analog Output Option RS-232 Digital Communications, Output #5 and Analog Output Option Code Power Supply 100 - 240 Vac or Vdc 12-24 Vdc or Vac 2104- Typical Model Number Chromalox 2104 Technical Manual...

  • Page 8: Installation

    Temperature extremes and excessive moisture can damage the instrument. The 2104 has up to seven (7) hardware switches Switch located on the bottom of the controller. The switches Settings...
  • Page 9 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 Manual...

  • Page 10: Mounting Dimensions

    Figure 2.2 Mounting Dimensions (96) (19) (102) (92) (96) (92) (90) Measurements are shown in inches. Millimeters are shown in parentheses. Figure 2.3 Mounting Diagram Mounting Hole Mounting Clip Mounting Tab Panel Cutout Chromalox 2104 Technical Manual...
  • Page 11 When driving a contactor coil or other inductive load, an appropriately rated AC snubber circuit is recommended (Chromalox Part. No. 0149-01305), as described on page 11, “Relay Output Wiring.” 3. For sensor wiring practices, see Sensor Wiring Notes, next page.

  • Page 12: Wiring Terminal Identification

    Figure 2.5. • Three wire RTDs are recommended for greatest accuracy. • Standard shielded copper wire is recommended for RTD extensions. Chromalox 2104 Technical Manual...

  • Page 13: Thermocouple Connections

    Chromalox recommends 3-wire RTDs for greatest accuracy, and standard shielded copper wire for RTD extensions. Make 3-wire RTD connections to terminals 7, 8 and 9 as shown in Figure 2.6 on the...

  • Page 14: Wire Rtd Connections

    It is also necessary to jumper terminals 8 and 9 on the instrument to complete a 2-wire hookup. Figure 2.7 2104 2-Wire Connections Current/Voltage Inputs Figure 2.8 2104 Current Input Wiring (Self-powered) 4-20mA Chromalox 2104 Technical Manual...

  • Page 15: Voltage Input Wiring

    Figure 2.9 2104 Voltage Input Wiring 1-5 Vdc (Self-powered) 0-5 Vdc The 2104 has a +24 Vdc power supply which can be used to power a 4-20mA transmitter. Figure 2.10 2104 Current +24 Vdc Input Wiring 4-20mA (Loop-powered by controller)

  • Page 16: Relay Output Connections

    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.
  • Page 17 Figure 2.14 SSR Drive Output Jumper Position Output #1 Module Controller Rear View Output Module Relay (as shipped from factory) SSR Drive Chromalox 2104 Technical Manual...

  • Page 18: Solid State Relay Drive Output Connections

    Solid State Relay Drive Connections The solid state relay drive output drives solid-state relays, such as the 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 state relay drive output connections.

  • Page 19: Current/Voltage Output Jumper Positions

    Output Module Controller Rear View Output #1* 4-20mA 1-5 Vdc Output #2 4-20mA 1-5 Vdc *All controllers with Analog Output (output codes AR, AT) for output #1 use same 4-20mA/1-5 Vdc jumper positions as shown here. Chromalox 2104 Technical Manual...

  • Page 20: Triac Output Connections

    Heat Load AC Neutral Fuse 120 Vac or 230 Vac Figure 2.18 4-20mA Analog Output Connections 2104 Power +24 Vdc Controller 4-20mA or Valve (0-800 ohms) Figure 2.19 1-5 Vdc Output Connections 2104 1-5 Vdc Input Chromalox 2104 Technical Manual...

  • Page 21: Dual Relay Output Wiring

    Dual SSR Drive Output Wiring Fuse 2104 120 Vac or 230 Vac Solid +24 Vdc State Heat (Output #1) Relay AC Neutral Load Fuse Solid 120 Vac or 230 Vac (Output #2) State Relay +24 Vdc Cool AC Neutral Load Chromalox 2104 Technical Manual...

  • Page 22: Dual 1-5 Vdc Output Wiring

    AC Neutral Load Figure 2.26 Dual Output SSR/Triac Wiring 2104 Fuse 120 Vac or Solid (Output #1) 230 Vac State Heat Relay AC Neutral Load Fuse 120 Vac or 230 Vac (Output #2) Cool AC Neutral Load Chromalox 2104 Technical Manual...

  • Page 23: Dual Output Analog/Relay Wiring

    (Output #2) 120 Vac or 230 Vac Cool AC Neutral Load Figure 2.28 Dual Output Analog/Triac Wiring 2104 (Output #1) Heater 4-20mA Power Controller Common Fuse (Output #2) 120 Vac or 230 Vac Cool AC Neutral Load Chromalox 2104 Technical Manual...

  • Page 24: Vac Instrument Power Connections

    Figure 2.31 Alarm/Event Outputs #3 and #4 2104 Load AC Neutral Output #3 Fuse* 120 or 230 Vac Output #4 Load AC Neutral * Fuse should be sized for the combined current of Output #3 and #4. Chromalox 2104 Technical Manual...

  • Page 25: Alarm/Event Output #5

    Output #5 Figure 2.32 Alarm/Event Output #5 2104 Load AC Neutral Normally Open Fuse* Output #5 120 or 230 Vac Normally Closed Load AC Neutral * Fuse should be sized for the current of Output #5. Chromalox 2104 Technical Manual...

  • Page 26: Operation

    Value and the lower display shows the setpoint. The setpoint can be changed in the Normal Display Mode using the pushbuttons, if the Security Level allows setpoint changes (see page 26 for Security Levels). RESET RESET to change setpoint in Normal Display Mode. Chromalox 2104 Technical Manual...

  • Page 27: Front Panel Identification

    MENU • Remote Setpoint Enable values. • Output Disable • Ramp to Setpoint, press once to • Ramp/Soak Operations determine target setpoint. • Auto/Manual Selector • For Ramp/Soak Operation: Start Hold Press together to Stop Chromalox 2104 Technical Manual...

  • Page 28: Page/Menu Setup Structure

    All control parameters, selections and calibration PAGE/MENU procedures for the 2104 are accomplished through Setup simple MENU selections. These MENU selections are organized into PAGES. On each PAGE you will find a 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.
  • Page 29 O L1 1 1 1 1 O O O O O UT 1 UT 1 UT 1 CYCL P P P P P A A A A A GE 100.0 100.0 100.0 100.0 100.0 RESET RESET RESET Chromalox 2104 Technical Manual...

  • Page 30: Sample Of Page/Menu Table

    Input is setup for Auxiliary Setpoint. Instrument Sensor Span Self Tune Self-Tune automatically adjusts PID C TUNE E E E E parameters on powerup (PRUP) or on demand (BEGN). = Self-tuning disabled = Power-up tuning PRUP = Begin tuning BEGN Chromalox 2104 Technical Manual...

  • Page 31: Security Levels And Page/Menu Contents

    Every parameter or selection in the 2104 controller’s Security setup PAGEs has an identifying MENU. Each Levels MENU is assigned one of four Security Levels, A-D. In each level you may view certain MENUs , and adjust certain MENUs. This allows you to set the...
  • Page 32 If a number other than one of the three codes listed above is entered at LOCK on the CTRL PAGE, adjustment of all parameters is locked out. An additional security number can be added using the menu for User Selectable Security Code (CTRL PAGE, menu CODE). Chromalox 2104 Technical Manual...
  • Page 33 The 2104 Controller is capable of single output and Control heat/cool PID control. The selection for single or Operation heat/cool control is made in the Controller Type menu (CTRL PAGE, CONT) with PID settings also in the Control Page. Additionally, the 2104 features ramp to setpoint and ramp/soak capabilities.
  • Page 34 (CTRL PAGE, TUNE = PRUP) or can be initiated PRU U U U U P P P P P immediately (CTRL PAGE, TUNE = BEGN). When RESET tuning, the 2104 will flash “TUNE” in the lower display. TUNE TUNE TUNE...
  • Page 35 F F F F F L L L L L overshoot. Overshoot Protection, when combined O O O O O N N N N N with PID constants established by the 2104 tuning RESET algorithm, produces a response that brings the process to setpoint with a minimum of overshoot.
  • Page 36 (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 (CTRL PAGE, AUTO). Chromalox 2104 Technical Manual...
  • Page 37 Chromalox 2104 Technical Manual...

  • Page 38: Controller Setup Pages

    Analog Output Option Digital Communications Throughout the following Setup PAGEs you will find More these symbols . This indicates a section of this Info. User’s Manual where more specific information on a parameter/application/feature can be found. Chromalox 2104 Technical Manual...
  • Page 39 E E E E E 5 5 5 5 5 Event Outputs #5 and #3 E 53 3 3 3 3 Event Outputs #5 and #4 E 54 4 4 4 4 E543 3 3 3 3 = Events 5, 4 and 3 Chromalox 2104 Technical Manual...
  • Page 40 R R R R R A A A A A T T T T T 2 2 2 2 2 Dead Band 2 DB2 is not used unless PB2 is set to zero. D B2 2 2 2 2 1 to 100°F 0.01 to 6.25% span for analog inputs Chromalox 2104 Technical Manual...
  • Page 41 R R R R R SP Event/Digital Input NONE = Disabled E E E E E NTI Function PID2 enable PID2 AUSP = Auxiliary SP enable Remote SP enable OUTD = Output disable Ramp/Soak AUTO = Auto/Manual Alarm Reset Chromalox 2104 Technical Manual...
  • Page 42 Allows you to establish your own C C C C C O D O DE E E E E Security Code user-defined security code. 0-122 = Level A 123-457 = Level B 458-735 = Level C 736-999 = Level D Chromalox 2104 Technical Manual...
  • Page 43 H I H I H I H I H IA A A A A Low (min.) Ambient Temp. Instrument Sensor Span L L L L L O O O O O A A A A A Chromalox 2104 Technical Manual...
  • Page 44 C C C C C Y Y Y Y Y C2 0.0 = Voltage/Current algorithm Output #2 Limit 0.0 to 100.0% O L2 2 2 2 2 Heat Offset 0°F to Pb2 setting C C C C C OFF Chromalox 2104 Technical Manual...
  • Page 45 Chromalox 2104 Technical Manual...

  • Page 46: Ramp/Soak Operation

    Section 5 Ramp/Soak Operation The 2104 controller features a Ramp/Soak Program. The program consists of 16 intervals plus a standby interval. The time span and setpoint for each interval are individually adjustable. These intervals make up a Ramp/Soak Profile. An example of a typical 8-interval Ramp/Soak program is shown below.

  • Page 47: Looping Intervals

    INT 4 INT 5 INT 6 INT 7 INT 8 Loop Loop This Ramp/Soak feature of the 2104, when enabled, Guaranteed assures that the “soaking” time in a “soak” interval Soak does not begin until the process reaches setpoint or is within the guaranteed soak differential band.
  • Page 48 Event Outputs 5 & 4 On E543 = Event Outputs 5, 4, 3 On Interval 16 Event same as above IL6E IL6E IL6E IL6E IL6E Guaranteed Soak differential OFF, 1°F to sensor range G G G G G SDB Chromalox 2104 Technical Manual...
  • Page 49 (Start) button is RESET pressed. Press together To Stop Ramp/Soak Program: (Stop Pushbutton) return the Ramp/Soak R/S Indicator program to the 140 . 140 . 140 . 140 . 140 . Standby setpoint. RESET Press together Chromalox 2104 Technical Manual...
  • Page 50 STAT STAT L L L L L EFT L L L L L OOP 1 1 1 1 1 0 0 0 0 0 RESET RESET RESET RESET Status: Run # Intervals Left # Loops Left Chromalox 2104 Technical Manual...
  • Page 51 Chromalox 2104 Technical Manual...

  • Page 52: Alarms

    Section 6 Alarms The 2104 controller can provide up to three alarm outputs using Output #3, #4 and #5. These optional outputs are indicated by the following controller model numbers: Optional Outputs Model Number Outputs #3 and #4 2104 - **1**...
  • Page 53 Inhibit is adjustable for each alarm output. INH3 INH3 INH3 INH3 INH3 O O O O ON N N N N RESET Wiring instructions for Outputs #3, #4 and #5 are Alarm given on pages 19-20. Wiring Chromalox 2104 Technical Manual...
  • Page 54 Operation 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). ENTI ENTI ENTI ENTI ENTI RESET Chromalox 2104 Technical Manual...
  • Page 55 High Setpoint is used for high and +deviation setpoints Alarm #3 High Setpoint Instrument Sensor Span A HI3 I3 I3 I3 I3 Output #3 Dead Band 0 to 100°F (Alarm Hysteresis) Alarm #3 Inhibit INH3 INH3 INH3 INH3 INH3 Chromalox 2104 Technical Manual...
  • Page 56 High Setpoint is used for high and +deviation setpoints Alarm #4 High Setpoint Instrument Sensor Span A HI4 I4 I4 I4 I4 Output #4 Dead Band 0 to 100°F (Alarm Hysteresis) Alarm #4 Inhibit INH4 INH4 INH4 INH4 INH4 Chromalox 2104 Technical Manual...
  • Page 57 High Setpoint is used for high and +deviation setpoints Alarm #5 High Setpoint Instrument Sensor Span A HI5 I5 I5 I5 I5 Output #5 Dead Band 0 to 100°F (Alarm Hysteresis) Alarm #5 Inhibit INH5 INH5 INH5 INH5 INH5 Chromalox 2104 Technical Manual...
  • Page 58 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 Manual...
  • Page 59 The CLP is not a substitute for safety shutdown devices such as flow switches or overtemperature monitors. The CLP Alarm responds to specific conditions that may provide early warning of system loop failures or aid in troubleshooting failures. Chromalox 2104 Technical Manual...
  • Page 60 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. (continue on the next page) Chromalox 2104 Technical Manual...
  • Page 61 (0-100% ORNG setting selected on the CTRL PAGE 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 actuate if selected. (continued on the next page) Chromalox 2104 Technical Manual...
  • Page 62 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 Manual...
  • Page 63 Chromalox 2104 Technical Manual...

  • Page 64: Digital Input And Aux Function

    Section 7 Digital 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.
  • Page 65 • If the AUX pushbutton is set to NONE, it will display the Ramp/Soak Program Status when pressed. • When the AUX function = NONE, the Digital Input can be used. Chromalox 2104 Technical Manual...
  • Page 66 (CTRL PAGE, RSP = ON) for this function to operate. The AUX indicator is ON 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 Manual...
  • Page 67 • Momentarily closing (100 milliseconds) the input switch while in HOLD will continue the program. • Closing the Digital Input Switch for 2 seconds while in Hold Mode will stop the program and return to Standby. Chromalox 2104 Technical Manual...
  • Page 68 AUX can be used to display the Ramp/Soak status, if Ramp/Soak is enabled. If the Digital Input is also disabled, the AUX light is used to indicate the state (ON or OFF) of Output #5, if installed. Chromalox 2104 Technical Manual...
  • Page 69 RSP = ON) for this function to operate. The AUX indicator is ON 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 Manual...
  • Page 70 A A A A A UTO When this function is selected, pressing the AUX Key toggles between Manual and Automatic operation with Automatic as default at powerup. The AUX light is ON in Manual Mode, and OFF in Automatic Mode. Chromalox 2104 Technical Manual...
  • Page 71 Chromalox 2104 Technical Manual...

  • Page 72: Remote Setpoint & Analog Process Output

    P P P P P A A A A A GE O O O O O N N N N N RESET RESET Note: The Digital Input or AUX pushbutton can be used to switch between Remote Setpoint and Local Setpoint (see page 57 for setup). Chromalox 2104 Technical Manual...

  • Page 73: Wire 4-20Ma Transmitter (Loop-Powered)

    (Loop-Powered) Common Figure 8.3 2104 2-wire 4-20mA, +24 Vdc 1-5 Vdc Transmitter (Self-Powered) Output Remote SP Input Common Common Figure 8.4 2104 3-wire 4-20mA, +24 Vdc Power 1-5 Vdc Transmitter Remote SP Input Output Common Common Chromalox 2104 Technical Manual...

  • Page 74: Analog Process Output Signal

    The Analog Output Option is provided on controllers Analog with model number Output • 2104 - ***3* Option • 2104 - ***4* • 2104 - ***5* This option can be used to transmit any one of four process parameters: • PROC .... Process Variable •...

  • Page 75: Process Output Wiring

    Output - High When Output #1 or Output #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 Manual...

  • Page 76: Digital Communications

    Hardware Setup RS232 can be used to connect 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.

  • Page 77: Rs422/Rs485 Communications Switches

    Wiring connections for the digital communications interface are made on terminals 9-13 using shielded serial interface cable. 2104 Computer Figure 9.2 RS232 Wiring Connections Note: The DTR output is always enabled when the 2104 power is on. Chromalox 2104 Technical Manual...

  • Page 78: Rs422A Wiring Connections (4-Wire)

    Figure 9.4 RS485 Wiring Connections (2-wire) 2104 2104 R/T- R/T+ R/T- R/T+ Computer with RS485 270 Ω Interface Card R/T+ 270 Ω R/T- Note: 270 Ω resistors recommended across receive line on computer and last controller. Chromalox 2104 Technical Manual...
  • Page 79 DIGT DIGT Computer Interface CPIF ASCII Line LINE Baud Rate 1200 B B B B B A A A A A UD 2400 4800 9600 19.2K Address 1 to 255 A A A A A DDR Chromalox 2104 Technical Manual...

  • Page 80: Calibration

    • Analog Output Instructions are also given for: • Factory Calibration Recovery • Calibration Offset The 2104 controller is factory calibrated before When is shipment to you, therefore, it is not necessary to Calibration calibrate the controller when you receive and install Required? it.
  • Page 81 4. To access the calibration, you will need to be at LEVEL D security. Enter Security Code “736” at menu LOCH on the CTRL PAGE. The sensor input of the 2104 can be calibrated using Sensor an appropriate sensor simulator and the Sensor Input Calibration menu on the Input Page.
  • Page 82 Sensor maximum ranges are: °F °C Sensor J T/C 1400 K T/C 2400 1316 1100 3200 1760 3200 1760 3300 1816 293.49Ω RTDT (0.1°) 275.04Ω 4-20mA 20mA 0-5 Vdc 5 Vdc 1-5 Vdc 5 Vdc Chromalox 2104 Technical Manual...
  • Page 83 INLO, indicating that you should first calibrate the input low end (4mA or 1 Vdc). CALR R R R R I N I N I N I N I NL L L L L O O O O O RESET Chromalox 2104 Technical Manual...
  • Page 84 I N I N I N I N I NH H H H H I I I I I ---- ---- ---- DONE DONE DONE DONE DONE ---- ---- RESET RESET RESET 6. Press RESET to exit calibration. Chromalox 2104 Technical Manual...
  • Page 85 ) until the meter reads 20mA or 5.000 Vdc. A A A A A O O O O O S S S S S 3902 3902 3902 3902 3902 RESET 5. Press and hold for 3 seconds to exit RESET calibration mode. Chromalox 2104 Technical Manual...
  • Page 86 R EC C C C C C C C C C DONE DONE ---- ---- ---- DONE DONE DONE ---- ---- RESET RESET RESET 3. The lower display cycles from “----” to “DONE”. Press RESET to exit the calibration mode. Chromalox 2104 Technical Manual...
  • Page 87 C C C C C O O O O O FF 0 0 0 0 0 RESET 2. Use to set the calibration offset, adjustable from -100 to 100°F. C C C C C O O O O O FF -1 -1 -1 -1 -1 RESET Chromalox 2104 Technical Manual...

  • Page 88: Specifications

    4 to 20mA into 0 to 800Ω, field changeable to 1-5 Vdc Output #5 (Optional) Relay—N.O. Form C contact, 5A at 120 or 2.5A at 230 Vac (resistive) Sensor Input Field selectable Thermocouple, RTD, Current or Voltage Input Update Rate 2 Samples per Second Chromalox 2104 Technical Manual...
  • Page 89 Voltage or Current Field Selectable via switch Range Programmable over selected Sensor Span ± 0.3% of Sensor Span (initial accuracy) at 75°F ambient Accuracy temperature and rated line voltage. field calibrate to ± 0.2% of Sensor Span Chromalox 2104 Technical Manual...
  • Page 90 ± 0.1% of Sensor Span with 300mV peak to peak, 50 or Series Mode Noise 60Hz series mode noise Typically less than 0.5% of Sensor Span at a distance of 1 meter (3.1 feet) from transmitter (4W, 464Mhz) Chromalox 2104 Technical Manual...
  • Page 91 +3°F for 1000 Ft. of 18 AWG extension wire B Thermocouple +6°F for 1000 Ft. of 18 AWG extension wire T Thermocouple +1°F (temperatures > -80°C) +2°F (temperatures < -80°C) ± 0.1% of Sensor Span/20Ω balanced leadwire resistance RTD, 4-20mA, 1-5 Vdc Chromalox 2104 Technical Manual...

  • Page 92: Troubleshooting

    Troubleshooting The following Troubleshooting Guide gives simple solutions to common problems, and explains the 2104’s Error Messages. Should you have a problem with your controller, it is a good idea to check this Guide for possible corrections before contacting the factory.
  • Page 93 2104 is unable to calculate PID parameters LOOP error See pages 55-57 1. Press RESET to clear error 2. Verify wiring and external...

  • Page 94: Warranty And Return

    Chromalox by Chromalox’s vendors, and then only to the extent that Chromalox is reasonably able to enforce such a warranty, it being understood Chromalox shall have no obligation to...
  • Page 95 Upon 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.o.b. point of delivery or (ii) refund an equitable portion of the purchase price.

  • Page 96: Setup

    Remote Setpoint Input High Output #1 Output #1 Cycle Time O O O O O UT1 Output #1 Limit Heat Offset Output #2 Output #2 Cycle Time O O O O O UT2 Output #2 Limit Heat Offset Chromalox 2104 Technical Manual...

  • Page 97: Security Codes

    Calibration Security Codes Security Codes Security Security View Adjust Security Codes Level Code Level Level - - - A, B A, B A, B, C A, B, C A, B, C, D A, B, C, D Chromalox 2104 Technical Manual...
  • Page 98 OFF, 0.1 to 999.9 minutes L L L L L OOP Protection Auto/Manual 0 to 100 seconds A A A A A UTO Disintegration Timer Ramp Rate RRA A A A A T T T T T Chromalox 2104 Technical Manual...
  • Page 99 OUT2 = Control Output 2 Ramp/Soak RSEN RSEN RSEN RSEN RSEN User Selected 0-122 = Level A C C C C C ODE Security Code 123-457 = Level B 458-735 = Level C 736-999 = Level D Chromalox 2104 Technical Manual...
  • Page 100 = Event Outputs 5 & 4 On E543 = Event Outputs 5, 4, 3 On Interval 16 same as above IL6E IL6E IL6E IL6E IL6E Events Guaranteed OFF, 1°F to sensor range G G G G G SDB 0°F Soak differential Chromalox 2104 Technical Manual...
  • Page 101 Instrument Sensor Span HI HI HI HI HIA A A A A Ambient Temp. Low (min.) Instrument Sensor Span L L L L L O O O O O A A A A A Ambient Temp. Chromalox 2104 Technical Manual...
  • Page 102 1.0* Cycle Time Output #1 0.0 to 100.0% 100.0% Limit Heat Offset 0°F to PB1 setting H H H H H OFF * For 2104-A (voltage or current output) cycle time must be set to 0.0. Chromalox 2104 Technical Manual...
  • Page 103 R R R R R L L L L L Y Y Y Y Y 3 3 3 3 3 Relay Action non-latching = Normally energized non-latching NDEL = Normally de-energized latching = Normally energized latching Chromalox 2104 Technical Manual...
  • Page 104 NONE = Disabled (off) A A A A A LR4 NONE = High Alarm = Low Alarm HILO = High-Low Alarm = Plus Deviation Alarm = Minus Deviation Alarm = Plus/Minus Deviation Alarm LOOP = Control Loop Protection Alarm Chromalox 2104 Technical Manual...
  • Page 105 NONE = Disabled (off) A A A A A LR5 NONE = High Alarm = Low Alarm HILO = High-Low Alarm = Plus Deviation Alarm = Minus Deviation Alarm = Plus/Minus Deviation Alarm LOOP = Control Loop Protection Alarm Chromalox 2104 Technical Manual...
  • Page 106 CPIF = Computer Interface LINE = ASCII Line Baud Rate 1200 B B B B B A A A A A UD 19.2K 2400 4800 9600 19.2K Address 1 to 255 A A A A A DDR Chromalox 2104 Technical Manual...
  • Page 107 E E E E E 5 5 5 5 5 Event Outputs #5 and #3 E 53 3 3 3 3 Event Outputs #5 and #4 E 54 4 4 4 4 E543 3 3 3 3 = Events 5, 4 and 3 Chromalox 2104 Technical Manual...
  • Page 108 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 Mode, Normal 21, 22, 44-46 rror Messages 87-88 Chromalox 2104 Technical Manual...
  • Page 109 Output #4 51 (see Output #4 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 Chromalox 2104 Technical Manual...
  • Page 110 Setpoint Ramp 28, 30 Remote (see Remote Setpoint in this index) Setup Mode 22, 24, 27 Specifications 83-86 hermocouple Inputs 8, 76 Timer Loop 36, 53, 55-57 Troubleshooting 87-88 Tuning Self (see Self-Tuning in this index) Chromalox 2104 Technical Manual...
  • Page 111 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 Chromalox 2104 Technical Manual...
  • Page 112 ® 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. ®...

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