Product Introduction

Model Interpretation

• 3AXD50000158904: ABB’s official part number for ordering, inventory, and traceability.

• 3AXD: Standard prefix for ABB drive system components.

• 500001: Product family code, indicating a control/I/O module category.

• 58904: Unique serial number, representing hardware revision and configuration variant.

Technical Parameters

• Power Supply: 24 V DC ±15%, reverse‑polarity protected.

• Digital Inputs: 8‑channel, 24 V DC logic, sink/source selectable, response time ≤1 ms.

• Digital Outputs: 4‑channel, relay type, 250 V AC / 30 V DC, 2 A per channel.

• Analog Inputs: 2‑channel, 4–20 mA or 0–10 V, 12‑bit resolution, accuracy ±0.1% FS.

• Analog Outputs: 1‑channel, 4–20 mA or 0–10 V, 12‑bit resolution.

• Operating Temperature: −20 °C to +60 °C.

• Storage Temperature: −40 °C to +85 °C.

• Protection Class: IP20 (indoor cabinet use).

• Dimensions: 120 mm × 80 mm × 25 mm.

• Weight: 0.35 kg.

• Certifications: CE, UL, RoHS compliant.

Interface and Communication Configuration

• Power Interface: Screw terminals for 24 V DC power input.

• I/O Terminals: Removable screw terminal block for digital/analog signals, supporting fast wiring and replacement.

• Communication: Integrated Modbus RTU over RS‑485, 9.6–115.2 kbps, for data exchange with drive/PLC.

• Status Indicators: Multi‑color LEDs for power, communication, input/output status, and fault diagnosis.

• Expansion: Supports daisy‑chain connection with other ABB I/O modules for system expansion.

Core Functions

• Signal Acquisition: Collects digital signals (e.g., start/stop, interlock) and analog signals (e.g., temperature, pressure, flow) from field sensors and switches.

• Control Output: Drives contactors, valves, and indicators via relay outputs; provides analog setpoints for speed/position control.

• Data Processing: On‑board signal filtering, scaling, and fault diagnosis to improve data reliability.

• Real‑time Communication: Transmits I/O data to the main controller via Modbus RTU, supporting remote monitoring and control.

• System Protection: Overvoltage, overcurrent, and short‑circuit protection for I/O channels; fault logging for maintenance.

Application Scenarios

• Compatible Systems: ABB ACS380/ACS580/ACS880 series drives, AC500 PLC systems.

• Industries: Manufacturing, water treatment, HVAC, food and beverage, logistics, and general machinery.

• Equipment: Conveyors, pumps, fans, compressors, mixers, and packaging machines requiring flexible I/O expansion.

Operation and Maintenance Instructions

• Installation: Mount on standard DIN rail inside the control cabinet; allow ≥20 mm clearance for ventilation.

• Wiring: Use shielded cables for analog and communication lines; separate high‑power and low‑signal cables to avoid interference.

• Routine Check: Inspect LED status and terminal tightness monthly; clean dust with a dry cloth.

• Configuration: Set I/O types and communication parameters via ABB DriveCom or PLC programming software.

• Replacement: Hot‑swappable; power off before removal/installation to ensure safety.

• Calibration: Calibrate analog channels annually using precision sources to maintain accuracy.