ABB di524-xc:s500, digital input module 32di, di:24vdc, 1-wire, outdoor&xtrem conditions

Why Choose the ABB DI524-XC Digital Input Module?

The ABB DI524-XC is a high-density 32-channel digital input module designed for ABB AC500-XC and S500-XC industrial automation systems. It provides 32 dedicated 24 V DC digital inputs in a compact S500-XC format, making it suitable for applications requiring a large number of binary field signals within limited control cabinet space.

The 32 inputs are arranged in four groups of eight channels and use a 1-wire connection arrangement. Designed for standard industrial 24 V DC signals, the module can interface with devices such as proximity sensors, limit switches, push-buttons, auxiliary contacts and other binary signalling equipment.

As the XC version of the DI524, the module is intended for automation installations operating under extreme ambient conditions. Integrated fast counter functionality, module-wise galvanic isolation, reverse polarity protection and individual input status LEDs provide a robust and practical solution for demanding machine, process and infrastructure automation.

Key Advantages

• 32 dedicated 24 V DC digital inputs provide high signal density.
• XC version designed for extreme ambient conditions.
• Inputs arranged in 4 groups of 8 channels for organised field wiring.
• 1-wire connection arrangement supports compact installation.
• Integrated fast counter functionality supports high-speed pulse applications.
• Supports configuration of up to 2 fast counter channels.
• Module-wise galvanic isolation provides separation between field signals and the internal I/O bus.
• Individual input LEDs simplify commissioning, diagnostics and maintenance.

Key Features

• ABB AC500-XC / S500-XC digital input module.
• 32 digital inputs at 24 V DC.
• Inputs organised into four groups: I0–I7, I8–I15, I16–I23 and I24–I31.
• Type 1 digital input characteristics according to EN 61131-2.
• Integrated fast counter functionality.
• Supports up to 2 configurable fast counter channels.
• Maximum fast counter frequency of 50 kHz.
• 32 yellow LEDs display individual digital input states.
• Green LED indicates the state of the process supply voltage.
• Four red LEDs provide diagnostic and error indication.
• Module-wise galvanic isolation.
• Reverse polarity protection for the process supply.
• Internal module supply through the ABB S500 I/O bus.
• DIN rail installation through an ABB S500-XC terminal unit.

High-Density Digital Input Acquisition for Industrial Automation

The ABB DI524-XC enables a PLC system to acquire up to 32 binary field signals through a single compact S500-XC module. Its four groups of eight 24 V DC inputs can be used for monitoring proximity sensors, limit switches, push-buttons, relay contacts and other digital devices, making the module particularly useful in machines and installations with substantial input requirements.

Integrated fast counter functionality extends the DI524-XC beyond conventional cyclic digital input acquisition by allowing up to two channels to be configured for high-speed counting applications at frequencies up to 50 kHz. Combined with module-wise galvanic isolation, extensive status indication and ABB's XC environmental design, the module provides dependable digital signal acquisition for demanding automation environments.

Typical Applications

• High-density digital input expansion for ABB AC500-XC PLC systems.
• Industrial machinery operating in extreme ambient conditions.
• Factory and production automation.
• Proximity sensor and limit switch monitoring.
• Push-button and selector switch acquisition.
• Relay and contactor status monitoring.
• Conveyor and material handling systems.
• Packaging and processing machinery.
• Fast pulse counting and event monitoring.
• Centralised and decentralised S500-XC I/O installations.