ABB 63938718 Digital Input Module

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Product Overview

The ABB 63938718 is an industrial Digital Input Module designed to acquire digital signals (such as push buttons, switches, and sensor states) in automation systems. It converts these signals into digital data for PLC/DCS control systems, enabling accurate monitoring and control of industrial processes. The module features high reliability, fast response, and strong interference immunity, suitable for a wide range of industrial environments.

Technical Specifications

• Model: 63938718

• Type: Digital Input Module

• Number of Channels: 16 channels (typical)

• Input Type: 24 V DC

• Input Current: 3–6 mA per channel (typical)

• Response Time: ≤ 10 ms

• Isolation Voltage: 500 V DC (input to system)

• Supply Voltage: 24 V DC

• Operating Temperature: –20 °C … +60 °C

• Mounting: DIN rail or modular slot

• Communication Interface: Compatible with ABB PLC/DCS bus

• Indicators: LED per channel for status indication

• Protection Rating: IP20

• Dimensions (W×H×D): approx. 90 × 100 × 60 mm

• Weight: approx. 0.25 kg

• Certifications: IEC/EN 61131-2 industrial control standards

Advantages and Features

1. Multi-Channel Input
   Simultaneously acquires multiple digital signals for centralized monitoring and control.

2. Fast Response
   ≤10 ms response time ensures the control system reacts promptly to input changes.

3. Isolation Design
   Input-to-system isolation prevents interference and improves signal reliability.

4. LED Status Indicators
   Per-channel LEDs facilitate monitoring and troubleshooting.

5. Easy Integration
   Fully compatible with ABB PLC/DCS systems, simplifying system expansion and upgrades.

6. Industrial Environment Tolerance
   Operates reliably in –20 °C to +60 °C industrial environments.

Typical Applications

• Industrial automation production lines

• Motor/equipment start signal acquisition

• Digital monitoring for packaging, textile, and printing machinery

• PLC/DCS system digital signal input

• Factory automation, energy management, and monitoring systems

Precautions

1. Ensure input voltage matches module specifications before installation.

2. Follow wiring instructions strictly to ensure reliable signal acquisition.

3. Avoid extreme temperature, humidity, and strong electromagnetic interference.

4. Regularly check module LEDs and input signals to ensure stable operation.

5. Do not disassemble or modify the module to avoid compromising functionality and safety.