Autonics TX4S-B4S LCD Display PID Temperature Controller User Manual

1. Introduction

The Autonics TX4S-B4S is an advanced LCD display PID temperature controller designed for precise temperature regulation in various industrial and scientific applications. It features a clear, large 15.3 mm white PV character display and 11-segment displays for both Process Value (PV) and Set Value (SV), enabling easy readability of alphanumeric characters. This controller boasts a rapid 50 ms high-speed sampling cycle and a high display accuracy of ±0.3%. Its compact design, with a depth of 45 mm, allows for flexible installation in space-constrained environments. The TX4S-B4S offers multiple output options, including current output, transmission output, and RS485 communication, making it adaptable to diverse operational settings.

Figure 1: Front view of the Autonics TX4S-B4S PID Temperature Controller, showing the LCD display and control buttons.

2. Key Features

• Display Method: 4-digit 11-segment LCD for clear readings.
• Control Method: Supports ON/OFF control, P, PI, PD, and full PID control for versatile application.
• Sampling Cycle: Ultra-fast 50ms sampling for quick response.
• Control Output: SSR drive (12VDC) with ON/OFF, phase, and cycle control options.
• Power Supply: Operates on 100-240VAC~ 50/60Hz.
• Compact Design: 45 mm depth for space-saving installation.
• High Accuracy: ±0.3% display accuracy.
• Communication: RS485 communication output for integration into systems.

3. Model Nomenclature

Understanding the model code helps identify the specific configuration of your TX4S series controller. The model TX4S-B4S decodes as follows:

Figure 2: Autonics TX4S series model nomenclature chart, detailing the meaning of each character in the model number.

• TX: LCD display standard PID temperature controller.
• 4: 4-digit display.
• S: DIN W48×H48mm size.
• B: Option output 1 (Alarm output 1 + Alarm output 2 + Trans. output).
• 4: Power supply 100-240VAC 50/60Hz.
• S: Control output is SSR drive output.

4. Specifications

Below are the detailed technical specifications for the Autonics TX4S-B4S temperature controller. For a comprehensive list including input types and accuracy, refer to the detailed specification sheet image.

Figure 3: Detailed technical specifications for the Autonics TX4S series, including input types, accuracy, and environmental conditions.

5. Setup and Installation

Proper installation is crucial for the safe and effective operation of the TX4S-B4S controller. Always ensure power is disconnected before beginning installation or wiring.

5.1 Panel Mounting

The TX4S-B4S is designed for panel mounting. Create a panel cut-out according to the dimensions provided in the diagram below. Secure the controller using the supplied mounting brackets.

5.2 Wiring

Connect the power supply, sensor input, and control outputs according to the wiring diagram. Pay close attention to the terminal numbers and their corresponding functions (e.g., power, sensor, SSR output, alarm outputs, RS485 communication). Ensure all connections are secure to prevent loose contacts and potential hazards.

Figure 4: Panel cut-out dimensions, bracket installation, and terminal wiring diagram for the Autonics TX4S series controller.

Warning: Incorrect wiring can cause damage to the unit or connected equipment, and may pose a risk of electric shock. Consult a qualified electrician if unsure.

6. Operating Instructions

The TX4S-B4S controller operates based on PID (Proportional-Integral-Derivative) control, offering precise temperature management. The front panel features a clear LCD display showing the Process Value (PV) and Set Value (SV), along with control buttons for configuration.

6.1 Power On

Once properly wired and installed, apply power to the unit. The display will illuminate, showing the current Process Value (PV) and the Set Value (SV).

6.2 Setting the Set Value (SV)

To change the desired temperature (Set Value), use the navigation buttons (typically Up/Down arrows) to adjust the SV. Press the 'MODE' button or an 'Enter' button (if available) to confirm the setting. Refer to the detailed programming manual for specific button functions and menu navigation.

6.3 Control Modes

The controller supports various control modes: ON/OFF, P (Proportional), PI (Proportional-Integral), PD (Proportional-Derivative), and PID (Proportional-Integral-Derivative). The appropriate mode depends on the application and desired control stability. PID auto-tuning functions are often available to automatically calculate optimal PID parameters for your system.

6.4 Alarm Settings

The TX4S-B4S includes alarm outputs. These can be configured to activate when the PV exceeds or falls below a set threshold, or when there's a deviation from the SV. Consult the full manual for detailed alarm configuration procedures.

6.5 RS485 Communication

For remote monitoring and control, the unit supports RS485 communication. This allows integration with PLCs, HMI, or other control systems using Modbus RTU protocol. Refer to the communication protocol guide for register addresses and communication settings.

7. Maintenance

The Autonics TX4S-B4S is designed for reliable operation with minimal maintenance. However, periodic checks can help ensure its longevity and performance.

• Cleaning: Gently wipe the display and casing with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Environmental Conditions: Ensure the operating environment remains within the specified temperature and humidity ranges to prevent damage. Avoid exposure to excessive dust, moisture, or corrosive gases.
• Connection Checks: Periodically inspect wiring connections for tightness and signs of wear or corrosion.

8. Troubleshooting

If you encounter issues with your TX4S-B4S controller, refer to the following common troubleshooting steps:

If the problem persists after attempting these solutions, please contact Autonics technical support or your local distributor for further assistance.

9. Warranty and Support

Autonics products are manufactured under strict quality control standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Autonics website. Warranty coverage typically applies to defects in materials and workmanship under normal use.

For technical support, product inquiries, or service, please contact your authorized Autonics distributor or visit the Autonics Korea official website for contact information and resources. When contacting support, please have your product model (TX4S-B4S) and serial number ready.