Product Introduction

Model Explanation

• 1SAP240000R0001: ABB unique part number.

• DI524:

  • DI = Digital Input

  • 524 = S500 series high‑density digital input module identifier.

• 240000: Platform code for S500 32‑channel digital input products.

• R0001: Initial hardware revision.

• Core definition: 32‑channel 24 VDC digital input, 1‑wire, high density.

Technical Parameters

• Input Channels: 32 digital inputs.

• Rated Voltage: 24 VDC.

• Supply Voltage Range: 20.4 VDC to 28.8 VDC.

• Input Current: 5 mA typical at 24 VDC.

• Maximum Input Voltage: 30 VDC.

• Input Type: 1‑wire, sink/source compatible.

• Switching Thresholds: OFF −3 V to +5 V; ON +15 V to +30 V.

• Input Filter Delay: Configurable 0.1 ms to 32 ms.

• Galvanic Isolation: Between channels and backplane bus.

• Protection Class: IP20.

• Operating Temperature: 0 °C to +60 °C (horizontal mounting); 0 °C to +40 °C (vertical mounting).

• Storage Temperature: −40 °C to +70 °C.

• Humidity: 0–95 % non‑condensing.

• Dimensions (W×H×D): 67.5 mm × 76 mm × 62 mm.

• Weight: Approximately 0.10 kg.

• Mounting: Standard TH35‑15 DIN rail.

• Certifications: CE, UL, CSA, RoHS.

• Compatibility: AC500 V2/V3/eCo/S series PLCs; S500 I/O system (C0+ index).

Interface and Communication Configuration

• Backplane Interface: S500 I/O bus, plug‑and‑play, hot‑swap capable.

• Field Wiring: Screw terminals; recommended torque 0.6 Nm.

• Expansion: Up to 7 additional S500 I/O modules via backplane.

• Hot Swap: Supported for replacement during operation without shutdown.

• Status LEDs: Indicators for power, run, fault and individual channel status.

• Bus Communication: Transmits input data to AC500 PLC via S500 backplane bus.

Core Functions

• High‑Density Signal Acquisition: 32 channels in a narrow width reduce cabinet space and wiring complexity.

• Flexible Filtering: Software‑configurable input delay (0.1–32 ms) suppresses noise and adapts to different response requirements.

• Reliable 24 VDC Input: Compatible with standard industrial sensors and switches, supporting both sink and source connections.

• Hot‑Swap Maintenance: Modules can be replaced online, minimizing system downtime.

• Seamless System Integration: Works with AC500 PLCs and S500 I/O for centralized monitoring of large numbers of discrete points.

Application Scenarios

• Factory automation: Automotive assembly lines, packaging machinery and material handling systems with numerous discrete sensors.

• Process automation: Chemical, water treatment and pharmaceutical plants requiring high‑density digital signal monitoring.

• Building automation: HVAC, lighting and security system signal collection.

• Machine tools: CNC machines and automated production lines with many limit switches and proximity sensors.

• General industrial control: Any system needing compact, high‑channel‑count 24 VDC digital input acquisition.

Usage and Maintenance Instructions

• Install on a DIN rail in a control cabinet, ensuring adequate ventilation and avoiding dust and condensation.

• Connect 24 VDC power (UP/UP3) with correct polarity; use a separate UP3 supply if needed.

• Insert the module into the S500 backplane and lock securely.

• Wire field devices to the screw terminals and tighten to 0.6 Nm.

• Configure input filter times and channel parameters via ABB programming software.

• Periodically check LED indicators for power, run and channel status.

• Perform routine maintenance: Tighten terminals, clean dust and inspect for corrosion.

• For faults, check power supply, wiring and LED status first; replace the module if confirmed faulty.