ABB DX571 Digital Input/Output Module

Overview

The ABB DX571 is a versatile digital input/output module designed for use with ABB S500-eCo PLCs. It provides 8 digital inputs and 8 digital outputs, making it suitable for general-purpose digital I/O applications in industrial automation. This module supports both machine and process control, as well as building automation, ensuring flexibility in various control environments.

Technical Specifications

Electrical Specifications

• Digital Inputs:

  • 8 inputs, 24VDC sink/source, 1-wire.

• Digital Outputs:

  • 8 relay outputs, 120/240VAC, 2A.

• Power Supply:

  • 24VDC.

• Current Consumption:

  • 50 mA via L+.

• Inrush Current:

  • 0.0035 A²s at power-up.

• Max Ripple:

  • 5%.

• Reverse Voltage Protection:

  • Yes.

• Rated Protection Fuse:

  • 3 A fast-acting fuse recommended for output protection.

• Current Consumption from 24V DC Power Supply:

  • 5 mA at the L+/UP and M/ZP terminals of the CPU/communication module.

Isolation and Protection

• Galvanic Isolation:

  • Yes, between input and output groups, and from the rest of the module.

• Isolated Groups:

  • 3 groups (1 for 8 input channels, 2 for 8 output channels).

• Surge Voltage Protection:

  • 35V DC for 0.5 seconds.

Thermal and Physical Specifications

• Max Power Dissipation:

  • 2.3 W.

• Weight:

  • Approximately 150 g.

• Mounting Position:

  • Can be mounted horizontally or vertically.

• Cooling:

  • Natural convection cooling; ensure no obstruction from cables or other components in the control cabinet.

Other Parameters

• Process Supply Voltage (L+):
  • +24V DC, provided through terminal 20, with the negative pole supplied by the I/O bus.