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CN1A-Series
1/16 DIN On-Off Temperature Controller with Clear LCD Display
Please see CN7200-7500-7600-7800 as a possible alternative. Contact Engineering if you have any questions.
- Dual Outputs
- User Selectable Input from 4 Thermocouple Types or RTD Input
- 10 Programmable Alarm Options
- Reverse (Heat) or Direct (Cool) Control
CN1A-Series
From
TWD
12,236
Product Overview
- Additional Features 1 Alarm Output
- Control Output SPDT Relay
- Cutout Dimensions 45 x 45 mm
- Display Type 2.5 Digit LCD
- Form factor 1/16 DIN
- Height 48 mm
- Length 89 mm
- Measurement Type Temperature
- Memory Backup EEPROM
- Number of Inputs 1
- Operating Temperature, Max 50 °C
- Operating Temperature, Min -10 °C
- Output Detail Mechanical Relay;SPDT relay, rated @ 3 A, 240 Vac;Alarm Output-SPST N.O. relay, rated @ 3 A, 240 Vac
- Output Signal None
- Programmable Functions alarm, °C/°F, control action, hysteresis, offset, password, sensor type, setpoint limits
- Series ID CN1A-Series
- Storage Temperature, Max 85 °C
- Storage Temperature, Min -20 °C
- Supply Power Note 10 to 32 Vac/Vdc @ 60 mA maximum, 90 to 260 Vac, 50/60 Hz @ 1.5 Va maximum
- Weight 205 g
- Width 48 mm
Supported Applications
The Omega CN1A Series is a digital on/off temperature controller designed for general-purpose control applications. The series provides functionality suited to frequent user-adjustable tasks, including hot foil printing, window sealing, and environmental ovens. It supports thermocouple inputs (J, K, T, N) or RTD Pt100 sensors.
Operating Conditions & Performance
The CN1A Series operates within an ambient temperature range of -10 to 50°C (-4 to 185°F). Measurement ranges vary by sensor type: J thermocouples cover -99 to 700°C (-99 to 999°F); K and N thermocouples span -99 to 999°C (-99 to 999°F); T thermocouples range from -99 to 300°C (-99 to 570°F); and RTD Pt100 inputs support -99 to 400°C (-99 to 700°F).
Accuracy specifications are defined by sensor type. For thermocouples, accuracy is ±0.25% over 90% of the scale range (-50 to 950°C) and ±1% over the extreme 5% of scale limits (-99 to -51 and 950 to 999°C). RTD models offer an accuracy of ±0.60% FS.
The unit conforms to CE generic standards EN50081-1 and EN50082-1 for EMC, and EN61010-1 for low voltage safety.
Power Supply
- Low Voltage: 10 - 32Vac/dc @ 60mA max.
- Mains Voltage: 90 - 260Vac, 50/60 Hz @ 1.5VA max.
Configuration Options
The series is configured for panel mounting with a 1/16 DIN footprint (48 H x 48 W mm; cutout 45 x 45 mm). The front panel features a clear LCD display and two buttons: SET and triangle (increment) for user interaction.
Outputs
- Control Output: SPDT relay, rated @ 3 A, 240 Vac.
- Alarm Output: SPST N.O. (Normally Open) relay, rated @ 3 A, 240 Vac.
Programmable Parameters
The controller includes programmable settings for set point, hysteresis (HY0 to HY9), control action (REV/DIR), and alarm configurations. Available alarm modes include Deviation Alarm (dEu 00-99), High Alarm (ALH SP to 999), Low Alarm (ALL -99 to SP), and Set-point limits (SPH/SPL). A password function restricts access to program parameters.Accessories
The series supports the CNQUENCHARC noise suppression RC snubber (2 leads) for 110 to 230 Vac applications. Memory backup is provided via EEPROM.Key Product Differences
The CN1A Series distinguishes models by input type and power supply voltage:
- CN1A-TC / CN1A-RTD: Standard mains-powered units (90 - 260Vac).
- CN1A-TC-24V / CN1A-RTD-24V: Low-voltage models powered by 10 to 32 Vac/Vdc.
The "TC" designation indicates thermocouple input compatibility (J, K, T, N), while the "RTD" designation specifies Pt100 RTD input. The sensor type parameter is automatically skipped for PT100 models during configuration.
