CI521-MODTCP | ABB Ethernet Communication I/O Module

Overview

The CI521-MODTCP is an Ethernet communication I/O module designed for Modbus TCP, featuring configurable analog and digital inputs/outputs, and powered by a 24 VDC process supply voltage. It supports modular I/O expansion with LED diagnostics and adjustable delay times for digital inputs.

General Information

• Part Number: CI521-MODTCP
• Description: I/O module for Modbus TCP with configurable analog and digital I/O
• Product Type: I/O Expansion Module

Technical Details

• I/O Channels:
  • 4 analog inputs (configurable via software)
  • 2 analog outputs (configurable via software)
  • 8 digital inputs (24 VDC, delay time configurable)
  • 8 digital outputs (24 VDC, 0.5 A max.)
• Communication:
  • Interface: Ethernet
  • Protocol: Modbus TCP
• Power Requirements:
  • 24 VDC from process supply voltage
  • Electronic circuitry powered via I/O expansion bus
• Rotary Switches:
  • Set the last BYTE of IP address (00h to FFh)
• LED Indicators:
  • System status, error states, power supply