ABB | DC522 Digital Input/Output Module

Overview

The DC522 is a digital input/output module with 16 DC channels, designed for 24 V DC systems with 0.5 A per output, providing reliable performance in industrial applications.

Electrical Specifications

• Rated Voltage: 24 V DC
• Current Consumption: 2 mA (typical), 0.15 A + 0.5 A per output
• Inrush Current: 0.005 A²s (at power-up)
• Power Dissipation: 6 W (outputs unloaded)

Protection and Isolation

• Reversed Voltage Protection: Yes
• Protection Fuse: 10 A fast (for UP)
• Galvanic Isolation: Yes, per module

Connections

• Sensor Power Supply: 24 V DC with short-circuit and overload protection
  • Terminals 1.0...1.3 (+24 V), 1.4...1.7 (0 V)
  • Terminals 3.0...3.3 (+24 V), 3.4...3.7 (0 V)
• Rated Load: 0.5 A per terminal group
• Mounting: Horizontal or vertical (with derating at 40 °C)

Performance

• Max Ripple: 5 %
• Output Load: Max. 0.5 A per output

Dimensions & Weight

• Weight: Approx. 125 g