Chromalox 2104 Technical Manual 83
Section 11
Specifications
Control Modes
Automatic On/Off
Proportional (P)
PID-Proportional with Integral and/or Derivative (PID, PI, PD)
PID + Fuzzy Logic
Heat/Cool (Dual PID)
Control Adjustments
Control Setpoint Sensor Range
Setpoint Limits Sensor Range
Deadband 1 to 100°F
Proportional Band Sensor Range
Manual Reset -99.9 to 99.9
Automatic Reset 0.00 to 99.99 repeats per minute
Rate 0 to 500 seconds
Output Cycle Time 0.1 to 60.0 seconds
Output Limit 0.0 to 100.0%
Open Sensor
& Out of Range
Output Command 0.0 to 100.0%
Display Offset -100 to 100°F
Heat/Cool Adjustments
Output Offsets 0 to 100% of Proportional Band
Cooling Medium Air, Water or Oil
Alarm Adjustments
Setpoints High and Low Settings for each Alarm Output
Alarm 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 to 100°F
Alarm Inhibit On Power-Up, Enabled or Disabled
Control/Alarm Outputs Total of five (5) Control/Alarm outputs possible
Relay Relay—Form A contacts, 1.0 Amps at 120/230 Vac (resistive)
Solid State Relay Drive 24 Vdc nominal at 40mA
Triac 1 Amp continuous, 10 Amp in-rush, at 120 or 230 Vac
Current/Voltage 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
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