ABB TO516B0 Digital I/O Module

Overview

The ABB TO516B0 (1S711516801) is a high-performance digital input/output module engineered for the ABB AC500 PLC series. It features 16 digital inputs and 16 digital outputs, operates at 24 VDC, and includes built-in diagnostics for reliable industrial automation. Its compact, robust design ensures stable operation in harsh manufacturing and process environments.

Technical Specifications

• Product Type: Digital I/O Module

• Model & Part Number: TO516B0 (1S711516801)

• Digital Inputs: 16 channels

• Digital Outputs: 16 channels

• Operating Voltage: 24 VDC ±10%

• Output Load Capacity: Typically 0.5 A per channel

• Communication Interfaces: Ethernet and RS485

• Memory: 256 KB (depends on configuration)

• Operating Temperature: –40°C to +70°C

• Humidity Range: 5%–95% RH, non-condensing

• Protection Rating: IP20 (for control cabinet installation)

• Dimensions: 110 × 90 × 35 mm

• Weight: 0.54 kg

Key Features

• High-speed, reliable digital input/output processing

• Built-in fault detection and diagnostic functions

• Compact and rugged design suitable for industrial conditions

• Full support for AC500 programming languages including Ladder Logic and Structured Text

• Flexible communication for integration with distributed control systems

Typical Applications

• Manufacturing automation

• Energy and utility systems

• Process control in oil & gas, mining, paper, and printing

• Distributed I/O systems based on AC500 PLC

FAQ

Q: Which PLC series is this module compatible with?
A: It is fully compatible with ABB AC500 PLC series.

Q: What is the output load capacity per channel?
A: Typically 0.5 A per channel.

Q: Can the module be replaced in the field?
A: Yes, it is designed for hot-swappable installation in control cabinets.

Q: How does this module differ from similar I/O modules?
A: TO516B0 includes built-in diagnostics, supports Ethernet/RS485 dual communication, and provides high reliability for critical industrial applications.