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Chromalox® 2104 1/4 DIN Digital Temperature and Process Controller
• Dual PID & Fuzzy Logic Control • Control Loop Protection • Five Outputs-Control, Alarm or Event • Universal Sensor Inputs: TC, RTD, Voltage and Current • Switching Power Supply • NEMA 4X Front Panel • 16 Segment Ramp/Soak Program • Digital Communications with ChromaSoft TM Compatibility • Isolated 12 Vdc Power Supply Option • Operating Ambient up to 150°F • Three Year Warranty Description 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 a wide variety of applications, and simply reconfigured as application needs change. This makes it an exceptional choice for OEMs and distributors with multiple control needs, manufacturing facilities, testing facilities and testing applications. Features • Five (5) Possible Outputs for Single Output or Heat/Cool Control, plus up to three Alarm or Event Outputs.• Universal Sensor Input accepts thermocouple, RTD or analog signals, provides 24 Vdc Output for loop power. • Self-Tuning with Fuzzy Logic optimizes PID control and minimizes overshoot. • Digital Input for remote switching of one of the following: • PID1/PID2 • Remote/Local Setpoint • Main/Auxiliary Setpoint • Ramp/Soak Operation • Manual/Auto Control • Alarm Reset for Latching Alarms • 16 Interval Ramp/Soak Program with guaranteed soak, 3 event outputs and looping. • Programmable Analog Output and Remote Setpoint Input • AUX Pushbutton and LED for front panel switching of: • PID1/PID2 • Remote/Local Setpoint • Main/Auxiliary Setpoint • Ramp/Soak Operation • Manual/Auto Control • Security Code Protection prevents unauthorized access. • Setpoint Ramp Rate provides Soft Start at powerup, or on setpoint changes, to prevent uneven heating and overshoot. • Control Loop Protection provides process protection from: • Open Sensor • Shorted Sensor • Sensor Reversed • Control Output Open or Shorted • Power Control Device Open or Shorted • Load Power Missing and Self Diagnostics. Self Tuning with Fuzzy
Logic: Dimensions: Specifications Control Modes Automatic ......................................... On/Off, Proportional (P), PID, PID + Fuzzy Logic, Heat/Cool Control Adjustments Control Setpoint ............................... Sensor Range Setpoint Limits ................................. Sensor Range Deadband ......................................... 1-100°F Proportional Band ............................ Sensor Range Manual Reset .................................... -99.9 to +99.9 Automatic Reset ............................... 0-99.99 repeats/min. Rate .................................................. 0-500 sec. Output Cycle Time ............................ 0.0-60.0 sec. Output Limit ..................................... 0-100% Open Sensor/Out of Range Output ... 0-100% Display Offset ................................... -100 to +100°F Heat/Cool Adjustments Output Offsets .................................. 0-100% Prop. Band Cooling Medium ............................... Air, Water or Oil Alarm Adjustments Setpoints .......................................... High and Low Settings for each Alarm OutputAlarm Types ..................................... Absolute: High, Low and High/Low ......................................................... Tracking: + Deviation, - Deviation and +/- Deviation Relay Action ..................................... Latching or Non-Latching, Energized or De-Energized Alarm Deadband ............................... Adjustable, 0-100°F Control/Alarm Outputs Total of five (5) Control/Alarm outputs possible Relay ................................................ Relay–Form A contacts, 1 Amp at 120/230 Vac (resistive load) Solid State Relay Drive ..................... 24 Vdc nominal at 40 mA Triac ................................................. 1 Amp continuous, 10 Amp in-rush, at 120 or 230 Vac Current/Voltage ................................ 4-20 mA into 0-800W, field changeable to 1-5 Vdc Output #5 (Optional) Relay–NO. Form C contact, 5A at 120 or 2.5A at 230 Vac Sensor Input Specifications Range °F Range °C J T/C ................................................. -100 to +1400 -73 to +760 K T/C ................................................ -300 to +2400 -184 to +1316 T T/C ................................................. -350 to +750 -212 to +399 E T/C ................................................. -100 to +1100 -73 to +593 R T/C ................................................ 0-3200 -18 to +1760 S T/C ................................................ 0-3200 -18 to +1760 B T/C ................................................ 50-3300 10-1816 100W Pt RTD (a = 0.00385) ............. -200 to +1000 -128 to +538 RTD (0.1° res.) .................................. -99.9 to +899.9 -73.3 to +482.2 4-20mA ............................................ -500 to +5000 (programmable) 0-5 Vdc ............................................. -500 to +5000 (programmable) 1-5 Vdc ............................................. -500 to +5000 (programmable) Ramp/Soak Programming Intervals ............................................ 16 intervals Loops ............................................... 1 loop, 0-255 times or continuous Event Outputs ................................... Up to 3 Guaranteed Soak Differential ............ Off, 1°F to sensor span Time Units ........................................ Seconds, Minutes, Hours (1 second to 99.99 hours/segment) Remote Setpoint Input Input Signal ...................................... 4-20 mA or 1-5 Vdc, Field SelectableDigital Input Accepts dry-contact closureAnalog Output Option Assignable Functions ........................ Process Variable Output #1 Command ......................................................... Active Setpoint Output #2 Command Output Signal .................................... 4-20 mA into 0-800W load, 1-5 Vdc into 100KW or greater load ......................................................... Selectable via DIP switch Range ............................................... Programmable for retransmission of Process Variable and Active Setpoint Isolated DC Power Supply Option 12 Vdc, 50mA Max Digital Communications (Optional) RS-232 Single drop, isolated RS-422/485 Multi-drop, isolated, field selectable by switch Baud Rates ....................................... 1200, 2400, 4800, 9600, 19200 Protocols ASCII Line, Computer Interface Instrument Power 100-240 Vac, +10%, -15%; 12-24 Vac/Vdc, ± 10%; 50-60 Hz Operating Environment 32-150°F (0-65°C) ambient temperature, relative humidity < 95%, non-condensing Ordering Information:
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UL Listed
