1. Introduction
The Autonics TCN4M-24R is a high-performance, multi-range, multi-sensor temperature controller designed for precise temperature regulation in various industrial applications. It features both Relay and Solid State Relay (SSR) outputs, offering versatile control options. This manual provides essential information for the safe installation, operation, and maintenance of your TCN4M-24R unit.
2. Safety Information
Please read and understand all safety precautions before installing or operating the unit. Failure to follow these instructions may result in injury or product damage.
- Ensure power is disconnected before performing any wiring or maintenance.
- Installation and wiring should only be performed by qualified personnel.
- Do not use the unit in environments with flammable or explosive gases.
- Avoid installing in locations subject to direct sunlight, excessive vibration, or high humidity.
- Verify all connections are correct and secure before applying power.
3. Package Contents
Upon opening the package, please ensure all items are present and undamaged:
- Autonics TCN4M-24R Temperature Controller Unit
- Mounting Brackets
- Instruction Manual (This document or similar)
The image shows the Autonics TCN4M-24R Temperature Controller unit alongside its retail box and a printed instruction manual. The box labels indicate 'TCN4M-24R TEMPERATURE CONTROLLER', 'Sensor: MULTI SENSOR', 'Out: RELAY+SSR', and 'Power: 100-240VAC'.
4. Specifications
| Feature | Specification |
|---|---|
| Model Number | TCN4M-24R |
| Equipment Name | Temperature Controller |
| Sensor Input | Multi Sensor (TC, RTD) |
| Output Type | RELAY + SSR |
| Power Supply | 100-240VAC, 50/60Hz, 5VA |
| SSR Output | 12VDC ±2V, 20mA Max (Terminals 4, 5) |
| Alarm 1 Output (AL1) | 250VAC 1A1a (Terminals 13, 14) |
| Alarm 2 Output (AL2) | 250VAC 1A1a (Terminals 14, 15) |
| Relay Output | 250VAC 3A1a (Terminals 6, 7) |
| Origin | Mainland China |
5. Installation
5.1 Mounting
The TCN4M-24R is designed for panel mounting. Ensure adequate space for ventilation and access to terminals. Secure the unit using the provided mounting brackets.
5.2 Wiring
Refer to the wiring diagram below for correct terminal connections. Ensure all power is disconnected before wiring.
This image displays a detailed side view of the Autonics TCN4M-24R, highlighting the terminal block and its corresponding wiring labels. It shows connections for SSR output, AL1/AL2 outputs, Relay output, power source, and sensor inputs (TC/RTD).
| Terminal Numbers | Function | Specifications |
|---|---|---|
| 4, 5 | SSR OUT | 12VDC ±2V, 20mA Max |
| 13, 14 | AL1 OUT | 250VAC 1A1a |
| 14, 15 | AL2 OUT | 250VAC 1A1a |
| 6, 7 | Relay OUT | 250VAC 3A1a |
| 8, 9 | SOURCE (Power Input) | 100-240VAC, 5VA, 50/60Hz |
| 16, 17, 18 | SENSOR Input | TC (Thermocouple), RTD (Resistance Temperature Detector) |
This image provides a clear view of the side of the controller, detailing the physical layout of the numbered screw terminals for wiring connections.
6. Operation
6.1 Front Panel Overview
The image shows the front display and control buttons of the TCN4M-24R. Key elements include the PV (Process Value) and SV (Set Value) displays, indicators for AL1, AL2, OUT, and AT, and control buttons labeled 'MODE', 'Left Arrow', 'Down Arrow', and 'Up Arrow'.
The front panel consists of:
- PV Display: Shows the current process value (measured temperature).
- SV Display: Shows the set value (target temperature).
- Indicators: AL1 (Alarm 1), AL2 (Alarm 2), OUT (Output), AT (Auto-tuning).
- MODE Button: Used to cycle through parameter settings and confirm selections.
- Arrow Buttons (Left, Down, Up): Used to navigate menus and adjust parameter values.
6.2 Basic Temperature Setting
To set the target temperature (SV):
- In normal operating mode, the SV display shows the current set value.
- Use the Up or Down arrow buttons to directly adjust the SV to your desired temperature.
- The new SV will be automatically saved after a few seconds of inactivity or by pressing the MODE button to exit the setting mode.
6.3 Advanced Settings (Parameter Mode)
For advanced configurations such as input type, control mode (PID/ON-OFF), alarm settings, and auto-tuning, refer to the detailed programming instructions in the complete manufacturer's manual. Typically, pressing and holding the MODE button for a few seconds will enter the parameter setting mode.
7. Troubleshooting
If you encounter issues with your TCN4M-24R, consider the following common problems and solutions:
- No Power/Display Off: Check power supply connections (Terminals 8, 9) and ensure the voltage is within the 100-240VAC range.
- Incorrect Temperature Reading: Verify the sensor type selected in the controller matches the connected sensor (TC or RTD). Check sensor wiring (Terminals 16, 17, 18) for proper polarity and secure connections. Ensure the sensor is correctly placed in the measurement environment.
- Output Not Activating: Check the set value (SV) against the process value (PV). Ensure alarm settings (AL1, AL2) or control output (OUT) parameters are configured correctly. Verify wiring for SSR (Terminals 4, 5) and Relay (Terminals 6, 7) outputs.
- Unstable Control: If the temperature fluctuates excessively, consider performing an auto-tuning (AT) operation or manually adjusting PID parameters.
8. Maintenance
To ensure optimal performance and longevity of your TCN4M-24R:
- Keep the unit clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the unit to corrosive gases or liquids.
- Periodically check terminal connections for tightness, especially in environments with vibration.
- Ensure proper ventilation around the unit to prevent overheating.
9. User Tips
No specific user tips were available from the provided reviews or Q&A. For advanced usage and specific application advice, it is recommended to consult the comprehensive manufacturer's manual or contact Autonics technical support.
10. Frequently Asked Questions (FAQ)
No specific frequently asked questions were available from the provided Q&A data. For detailed inquiries, please refer to the full product manual or contact Autonics customer service.
