The CN8500 temperature controller is extremely versatile and user-friendly. The operator needs to review only those parameters relevant to the particular application during setup. A dual digital display offers optimum process information at a glance. The dedicated upper display shows the process temperature, while the lower display displays setpoint and setup parameters. Individual LED’s identify the status of outputs, alarms, digital communications and special options. The CN8500 features a NEMA-4X front panel and a universal power supply that accepts 103 to 253 Vac and 103 to 330 V dc. Control algorithms available are P, PI, PD, PID, or ON/OFF. The autotune feature automatically sets proportional band, rate and reset before the process reaches setpoint. These parameters provide quick stabilization of both the heating and cooling process without overshoot, hunting or cycling. The standard dual control outputs can be configured in a variety of control and alarm applications such as heat, heat/cool, heat/alarm, cool, or cool/alarm. The Ramp to Setpoint feature allows the user to define the rate of rise to reach the setpoint, thus minimizing thermal shock to the load during start-up.
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Number of Outputs select from: 1 for Single Output 2 for Dual Output
Input Type select from: TC for Thermocouple RTD for RTD MV for Millivolt to 50 mV V5 for Voltage to 5V V10 for Voltage to 10 V MA for Current to 20mA
First Output (Reverse Action Only) select from: Nothing(leave field blank) for No first output -R1 for Relay -DC1 for dc Pulse -T1 for 1A SSR -F1 for 4-20 mA
Second Output (Direct Action Only) select from: Nothing(leave field blank) for No second output -R2 for Relay -DC2 for dc Pulse -T2 for 1A SSR -F2 for 4-20 mA
Additional Options select from: Nothing(leave field blank) for No additional options -A for Dual alarms -C2 for RS-232 communications -C4 for RS-485 communications -XP1 for Transducer power supply 15 Vdc
Low Voltage Power Input Option select from: Nothing(leave field blank) for Without Low Voltage Input -24V for With Low Voltage Input Option 24 Vac/dc
Note: All combinations may not be valid, check spec sheet for valid part numbers.