Process Controllers |
| CN8590 Series |
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User-Selectable Universal Inputs: Thermocouple, RTD, Voltage, or Current
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Autotune PID, Heat or Cool
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Bumpless Auto/Manual Transfer
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Configurable Dual Heat or Cool Outputs
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Relay, DC Pulse, or Triac Output Options
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Programmable Process and Deviation Alarms (Normal and Latching)
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Alarm Inhibit Mode
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NEMA 4X (IP65) Dust- and Splash-Proof Front Panel
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Accuracy: ±0.2% of FS, ±1 Digit
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View related products - Temperature and Process Controllers and Power Switching Devices
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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
| Input | Type | Range | Resolution |
| 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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† Price are shown in RMB.
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