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Process Controllers

Item# CN8590

In stock

Lead Time ( If not in Stock): 0 week

Process Controllers CN8590 CN8590
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  • User-Selectable Universal Inputs: Thermocouple, RTD, Voltage, or Current
  • Autotune PID, Heat or Cool
  • Bumpless Auto/Manual Transfer
  • Configurable Dual Heat or Cool Outputs
  • Relay, DC Pulse, or Triac Output Options
  • Programmable Process and Deviation Alarms (Normal and Latching)
  • Alarm Inhibit Mode
  • NEMA 4X (IP65) Dust- and Splash-Proof Front Panel
  • Accuracy: ±0.2% of FS, ±1 Digit
5 Year Warranty

Product Specs

  • Analog Voltage Input Ranges 10 to 50 mV
  • Analog Current Input Ranges 0 to 20 mA or 4 to 20 mA
  • Analog Input Accuracy ±0.2% FS
  • Control/Alarm Outputs, Maximum 2
  • Control Algorithms Autotune PID
  • Control Mode Operator initiated from front panel
  • Display Color Green
  • Display Digit Height 10 mm
  • Maximum Ambient Humidity 90% RH non-condensing
  • Maximum Ambient Temperature 55 {C} (131 {F})
  • Measurement Type Temperature
  • Minimum Ambient Temperature 0 {C} (32 {F})
  • Number of Display Lines (Sku Variant) 1
  • Other Features (Sku Variant) Low Voltage Power
  • RTD Connection 2 wire
  • Remote Setpoint Capability 1 count/0.1 count
  • RTD Curves Supported 385
  • RTD Types Supported RTD(2 wire - 100)
  • Supply Frequency 50/60 Hz
  • Sampling Rate 3.7 Hz (270 ms) Operating Limits
  • Thermocouple Type J

The CN8590 is a 1/32 DIN microprocessor based controller that provides accurate closed-loop control of temperature and other process variables. With on-demand auto-tuning, and complete On/Off through full PID functionality, the CN8590 accepts inputs from K, J and T type thermocouples, RTD's or linear signals. Standard features include a large easy-to-read LED display, dual outputs, field selectable inputs, process or deviation high/low alarms, and bumpless auto/manual transfer. On/Off output hysteresis is adjustable and the unit may be easily configured in the field to display process value, deviation or output percentage.

SPECIFICATIONS
Performance
Accuracy: ±0.2% of FS, ±1 Digit
Display Resolution Selectable: 0.1, 0.01 for process inputs, 1.0 for thermocouple inputs, 0.1, 1.0 for RTD inputs.
Setpoint Resolution: 1 count/0.1 count
Repeatability: ±1.0 count
Temperature Stability: 5 .V/°C maximum
T/C Cold End Tracking: 0.05°C/°C ambient
Noise Rejection: Common mode >100 dB, Series mode >70 dB
Sampling Frequency: 3.7 Hz (270 ms) Operating Limits
Line Voltage Line Power: 85 to 265 Volts, 50/60 Hz,
Power Consumption: Less than 6 VA (Instrument)

Control Characteristics
Setpoint Limits: User Configurable
Alarms: Adjustable for high low process or deviation
Rate (Derivative): 0 to 2400 sec
Reset (Integral): 0 to 9600 sec
Cycle Time: 0.3 to 120 sec
Proportional Band: 1 to FS
Deadband: 1 to FS
Control Hysteresis: 1 to FS
Autotune: Operator-initiated from front panel
Manual Control: Operator-initiated from front panel

Inputs
Thermocouple: J, K and T, maximum lead resistance 100 ohms
RTD: Platinum 100 ohm at 0 Degrees C, DIN curve 0.00385.
Process Inputs: Linear current and voltage
Engineering Units: -1999 to 9999

Output Options
SPST Relay: 5 Amps @ 120 Vac , 5 Amps @ 240 Vac
dc Pulse: 5 Vdc pulsed
SSR: Solid-State Relay, 120/240 Vac, zero Voltage switched 1 Amp continuous 10 Amp surge @ 25°C.

General
Display: LED 4-Digit, 10 mm
Display Indicators: 7-Segment LED Alphanumeric
Dimensions: 48 mm (1.890') x 23.97 mm , (0.944') x 99.99 mm (3.937')
Panel Cutout: 45 mm (1.772') x 22.19 mm (0.874')
Front Panel Rating: NEMA 4X
Operating Temperature: 0 to 55°C (32 to 131°F)
Humidity Tolerances: 90% R.H. maximum, non-condensing
Weight: 90.7 g (3.2 oz)

Panel Mount Components




Panel Mounting and Controller


Universal Input Types and Ranges

InputTypeRangeResolution
TC J
Iron-Constantan
-100 to 760°C
-148 to 1400°F
1°C
1°F
K
CHROMEGA™-ALOMEGA™
-140 to 1350°C
-220 to 2462°F
1°C
1°F
T
Copper-Constantan
-130 to 400°C
-202 to 752°F
1°C
1°F
RTD RTD
2-wire, 100Ω Pt
-200 to 850°C
-328 to 1562°F
1°C
1°F
RTD
2-wire, 100Ω Pt
-128.8 to 200.0°C
-199.0 to 392.0°F
0.1°C
0.1°F
MV 10 to 50 mV
0 to 50 mV
Scalable (-1999 to +9999)
Scalable (-1999 to +9999)
Selectable
Selectable
*MA 4 to 20 mA
0 to 20 mA
Scalable (-1999 to +9999)
Scalable (-1999 to +9999)
Selectable
Selectable
* Note for mA Input, connect external 2.5 ohm resistor across signal input terminals.

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