ABB 500BIM01 / 1MRB160024R0002 Binary (Digital) Input Module

The ABB 500BIM01 (1MRB160024R0002) is a high-density Binary Input Module (BIM) belonging to the ABB Procontrol P13 and AC500 industrial control families.

It is the digital “sensory” component of the system, responsible for detecting on/off states from field devices.

1. Introduction

The 500BIM01 is designed to interface binary (digital) signals from the field—such as limit switches, push buttons, relay contacts, and proximity sensors—with the central processing unit.

It converts these external electrical signals into a digital format that the logic controller can process.

Its primary role is to provide real-time status updates for automation and safety interlock sequences.

2. Technical Parameter Table

3. Related Models

500BOM01: Binary Output Module (used to trigger actuators/relays).

500AIM02: Analog Input Module (for continuous measurements).

70BK01: Newer generation P13 Bus Coupler/Input modules.

500PSM03: The power supply module typically used to power the 500BIM01 rack.

4. Product Advantages and Features

High Channel Density: Provides a large number of inputs in a slim form factor, saving cabinet space.

Opto-Isolation: Protects the sensitive internal processor from external electrical surges or ground loops.

De-bouncing Logic: Built-in hardware/software filtering ignores mechanical “chatter” from switches, preventing false triggers.

Real-time Diagnostics: Front-facing LEDs provide instant visual confirmation of signal status, making it easy for technicians to trace faults.

Hot-Plug Capability: Designed for high-availability systems where modules may need to be replaced without shutting down the entire rack.

5. Application Cases

Power Plant Logic: Monitoring the “Open/Closed” status of high-voltage circuit breakers and disconnectors.

Safety Interlocking: Reading emergency stop (E-Stop) buttons and safety gate sensors in manufacturing lines.

Material Handling: Detecting the position of items on a conveyor belt via limit switches.

Pumping Stations: Monitoring float switches for high/low water level alarms.

6. Installation and Maintenance

Installation:

Slide the module into the subrack slot until it seats firmly into the backplane connector.

Use the locking screws to ensure the module remains seated during industrial vibrations.

Ensure the field wiring is grouped and labeled to prevent cross-talk or incorrect channel mapping.

Maintenance:

LED Verification: During routine inspections, cross-reference the physical state of the field device (e.g., a closed valve) with the corresponding LED on the 500BIM01.

Tightening Terminals: Periodically check the external terminal blocks for loose wires caused by thermal cycling.

Dust Removal: Keep the module faceplate clean; dust buildup can obscure LED status and potentially cause minor tracking issues in high-humidity environments.