ABB YXP 134 4890024-TC Sequential Control Unit PCB Circuit Board

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The ABB YXP134 4890024-TC Sequential Control Unit PCB is a high-performance logic control board used in ABB’s industrial automation and control systems. It provides sequence logic execution, digital signal processing, and communication with main controllers. The board is designed for reliable operation in demanding industrial environments and is widely used in PLC, DCS, and robotic control applications.

Technical Specifications

• Model: YXP134

• Part Number: 4890024-TC

• Manufacturer: ABB

• Type: Sequential Control Unit PCB

• Power Supply: 24 V DC (±10%)

• Power Consumption: Approx. 10 W

• Input Type: Digital Input (DI)

• Output Type: Transistor or Relay Output (depending on version)

• Input Channels: 16 (customizable)

• Output Channels: 16 (customizable)

• Communication Interfaces:

  • RS-485 / CAN Bus

  • System Backplane Bus

• Processor: Industrial-grade MCU

• Logic Execution Time: < 1 ms

• Isolation Voltage: 1500 V RMS (signal to system)

• Operating Temperature: 0°C to +55°C

• Storage Temperature: -25°C to +70°C

• Relative Humidity: ≤ 90% (non-condensing)

• Protection Class: IP20

• Dimensions: Approx. 160 × 100 mm

• Weight: Approx. 0.35 kg

• Mounting Type: Slot / Backplane Mount

Features & Advantages

1. High Reliability: Built with industrial-grade components for stable performance.

2. Fast Logic Execution: High-speed MCU ensures rapid sequence control.

3. Flexible I/O Configuration: Supports multiple input and output channels.

4. Strong EMC Protection: Designed to meet IEC industrial standards.

5. Modular and Expandable: Easy installation and maintenance.

6. Programmable Logic: Customizable logic and timing configuration.

7. System Compatibility: Fully compatible with ABB AC800, Procontrol, and PLC systems.

8. Self-Diagnostic Function: Real-time monitoring and fault detection.

Application Fields

• Process control and automation systems

• Power plant startup/shutdown sequence control

• Robotics and mechanical control units

• Substation automation and distribution systems

• Chemical, metallurgy, paper, and manufacturing industries

• Equipment safety interlock and sequencing systems

Precautions

1. Disconnect power before installation or maintenance.

2. Use an anti-static wrist strap during handling.

3. Do not operate outside specified environmental limits.

4. Ensure proper wiring and grounding to reduce interference.

5. Perform routine function checks in safety-critical systems.

6. Do not modify firmware or hardware without authorization.

7. Keep the PCB clean and free from dust buildup.

The structure and details of the product：

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