ABB DI86-M8/8 input PCB circuit board

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1. Product Overview

The ABB DI86-M8/8 Input PCB is a digital input module circuit board for industrial automation control systems. It receives and processes signals from sensors, switches, and other devices, transmitting these digital signals to a PLC/DCS for logic processing and control decisions. The module features high reliability, strong interference immunity, and fast response, making it suitable for demanding industrial automation environments.

2. Technical Specifications

• Model: DI86-M8/8

• Type: Digital Input PCB / Input Circuit Board

• Number of Input Channels: 8 digital inputs

• Connector Type: M8

• Input Signal Type: 24 V DC (switching signal compatible)

• Response Time: ≤ 1 ms typical

• Electrical Isolation: Input isolated from control circuits for safety

• Power Supply: 24 V DC

• Power Consumption: Low power (depends on model and load)

• Operating Temperature: -20°C to +60°C

• Storage Temperature: -40°C to +85°C

• Humidity Range: 5% – 95% (non-condensing)

• Mounting: DIN rail or PCB mounting

• Diagnostics: LED indicators (model dependent) for input status

• Certifications: CE compliant

3. Advantages & Features

1. High reliability

   • Resistant to temperature, humidity, and electromagnetic interference.

2. Fast response

   • Input response ≤ 1 ms for fast control applications.

3. Strong interference immunity

   • Electrical isolation reduces external signal interference.

4. Modular design

   • Seamless integration with PLC/DCS systems, easy expansion and maintenance.

5. Status indication

   • LED displays input channel status for quick diagnostics.

6. Compact structure

   • Small PCB design fits in limited spaces in control cabinets or racks.

4. Application Areas

• Industrial automation control systems

• Production line and machinery monitoring

• Power, petrochemical, and chemical process control

• Logistics and warehouse automation

• Data acquisition and monitoring systems

• PLC/DCS digital input signal collection

5. Precautions & Recommendations

1. Power supply

   • Ensure stable 24 V DC to prevent signal errors or module damage.

2. Installation environment

   • Install in dry, ventilated, and non-corrosive cabinets.

3. Wiring

   • Follow M8 connector wiring standards to prevent misconnection or loose connections.

4. ESD protection

   • Observe anti-static precautions during installation and maintenance.

5. System compatibility

   • Compatible with ABB PLC/DCS systems; non-compatible devices may affect signal acquisition.

6. Regular inspection

   • Check LED indicators and wiring to ensure normal input signal operation.

The structure and details of the product：

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