CN8200-Series

Supported Applications

The Omega CN8200 Series comprises 1/16 DIN universal temperature and process controllers designed for applications requiring precise autotuning, ramp-to-setpoint control, and multi-segment programming. The series supports field-configurable universal inputs including thermocouples (J, K, T, N, R, S, B, C, E), RTDs (3-wire 100 Ω Pt), Platinel II, voltage, current, and millivolt signals.

Key functional capabilities include:

• Ramp/Soak Control: Configurable for up to 8 ramp segments followed by 8 soak segments.
• Dual Display: Simultaneous Process Value (PV) and Setpoint (SV) indication with individual status LEDs.
• Remote Monitoring: Compatible with CN8-SW software for remote monitoring and control via RS232/485 communications options.

Operating Conditions & Performance

The controller operates within an ambient temperature range of 0 to 55°C (32 to 131°F) at a maximum humidity of 90% RH, non-condensing. The front panel features a NEMA 4X (IP65) enclosure rating.

Performance specifications include:

• Accuracy: ±0.2% FS, ±1 digit for rated accuracy conditions.
• Response Time: 10 Hz (100 ms).
• Hysteresis: Adjustable from 1 to span of sensor.
• Resolution: 1 count or 0.1 count depending on range selection.

The series supports a wide array of measurement ranges, including -270 to 1354°C (-454 to 2469°F) for specific thermocouple types and scalable electrical inputs from -1999 to 9999. Load resistance is limited to 100 Ω maximum for rated accuracy on analog outputs.

Configuration Options

Power Supply Options

The standard power supply supports a universal range of 100 to 250 Vac and 120 to 250 Vdc. An optional low-voltage configuration (-LV suffix) is available for 24 Vac/24 Vdc operation.

Input Types

The universal input capability covers the following sensor types:

• Thermocouples: J, K, T, N, R, S, B, C, E (including CHROMEGA®-ALOMEGA®, OMEGALLOY®, and W/5%Re-W/26%Re).
• RTDs: 3-wire 100 Ω Pt.
• Analog Signals: Voltage (0 to 1V, 1 to 5V, 0 to 5V, 0 to 10V), Current (4 to 20 mA, 0 to 20 mA), and Millivolt ranges.

Output Configurations

The series is available in single-output (CN8201) or dual-output (CN8202) models. Output types include:

• Mechanical Relay: 5 A @ 120 Vac, 3 A @ 240 Vac.
• Solid State Relay (SSR): 1 A continuous, 10 A surge @ 25°C.
• DC Pulse: 20 Vdc pulse output.
• Analog Current/Voltage: 4 to 20 mA (up to 800 Ω or 1000 Ω maximum depending on suffix), 0 to 5V, 0 to 10V, and various mV ranges.

Additional Options

The series supports a single additional option per controller. Available options include:

• Alarms: Single-alarm mechanical relay (-AL1), dual alarms with AC SSR (-AL2), or dual DC level alarms at 24 Vdc (-AL3).
• Communications: RS232 (-C2) or RS485 (-C4). The -C4 option can be configured for MODBUS® protocol and includes variants with digital inputs (switch closed, switch open, or 0/5V logic).
• Remote Setpoint: Switch-based or voltage-based remote setpoints.
• Transducer Excitation: Available at 15 Vdc (-XP1), 12 Vdc (-XP2), 10 Vdc (-XP3), or 5 Vdc (-XP4).

Key Product Differences

The CN8200 Series is differentiated by model number and output configuration:

• CN8201-(-*): Single-output ramp/soak controller.
• CN8202-(-*)-(-*): Dual-output ramp/soak controller, allowing independent selection of first and second output types (e.g., Relay + SSR).

The ordering suffix structure defines the specific configuration: <MODEL> - <FIRST OUTPUT SUFFIX> - <SECOND OUTPUT SUFFIX> - <LOW VOLTAGE SUFFIX> - <ADDITIONAL OPTION SUFFIX>. For example, a dual-output model with DC pulse and relay outputs configured for low voltage and an alarm would follow the pattern CN8202-DC1-R2-LV-AL3.

The series includes UL US and C UL US approvals. A 2-year warranty is standard, with OMEGACARE™ extended warranty programs available.