ABB 3BSE020836R1 Digital Input Module

Product Overview

The ABB 3BSE020836R1 Digital Input Module is used in industrial automation systems to collect field switch signals, such as pushbuttons, limit switches, and sensor outputs. It enables real-time monitoring and logical control of devices and processes. The module is compatible with ABB PLC, DCS systems, and distributed I/O architectures, providing high-speed sampling, isolation, and reliable industrial-grade signal processing.

Technical Specifications

• Model: 3BSE020836R1

• Type: Digital Input Module

• Number of Channels: 16 channels

• Input Type: Dry contact / DC voltage signal

• Input Voltage Range: 24 V DC

• Input Isolation: Optical isolation, channel-to-backplane ≥ 500 V DC

• Sampling Rate: 1 kHz

• Operating Voltage: Supplied via system backplane

• Operating Temperature: 0°C ~ 60°C

• Mounting Method: Plug-in module on system backplane

• Compatible Systems: ABB AC500/DSQC, DCS, PLC modular systems

• Status Indicators: LED per channel to indicate input status

• Protection Class: IP20

Key Features & Advantages

• Reliable signal acquisition suitable for industrial environments

• Multi-channel processing: 16 inputs for simultaneous signal collection

• Optical isolation enhances immunity to electrical noise

• High-speed response suitable for fast processes and logic control

• Modular and maintainable plug-in design

• Strong compatibility with ABB PLC and DCS systems

Application Areas

• Industrial automation production lines

• PLC / DCS system signal acquisition

• Status monitoring of motors, pumps, and fans

• Interface for valves and switch-type sensors

• Remote I/O systems

• Instrumentation and industrial control signal inputs

Precautions

• Ensure input voltage and signal type comply with module specifications.

• Disconnect power before installation to avoid damage.

• Secure wiring terminals to prevent loose connections.

• Do not exceed rated voltage or current for input channels.

• Operate the module in a dry and ventilated environment; avoid high temperature or humidity.

• Regularly inspect backplane connections to ensure stable signals.