Allen-Bradley 1734-IB8S | POINT I/O 8-Channel Safety-Rated Digital DC Input Module

Overview

The Allen-Bradley 1734-IB8S is an 8-channel, safety-rated digital DC input module designed for safety-critical industrial applications. Operating at 24V DC, this module is part of the POINT I/O safety system, providing sink input capability and compliance with functional safety standards.

It supports integration into Safety PLCs and distributed control architectures, ensuring fast response times and reliable signal processing. Designed for DIN rail mounting, it connects via removable terminal base units (1734-TB, 1734-TOP, 1734-TOP3), enabling quick installation and maintenance.

Key Features

• 8 Safety-Rated Digital Inputs – Designed for safety applications requiring 24V DC sink inputs
• Supports Safety PLCs – Integrates into safety-critical control systems
• Wide Operating Voltage Range: 11V DC - 28.8V DC
• Fast Response Time: 16.2ms (max) On-to-Off delay
• Low Power Consumption: 1.4W max power dissipation
• DIN Rail Mounting – Easy installation on industrial control panels
• Removable Terminal Block Wiring – Supports quick module replacement
• Compatible Terminal Base Units: 1734-TB, 1734-TOP, 1734-TOP3

Technical Specifications

• Model: 1734-IB8S
• Series: POINT I/O Safety
• Number of Inputs: 8 (Sink)
• Operating Voltage: 24V DC (11V - 28.8V DC)
• Input Delay (On-to-Off): 16.2ms (max)
• On-State Current (Min/Max): 3.3mA / 5mA
• Maximum Off-State Current: 1.3mA
• PointBus Current Consumption: 175mA
• Power Dissipation (Max): 1.4W
• Mounting: DIN Rail
• Terminal Base Compatibility: 1734-TB, 1734-TOP, 1734-TOP3
• Operating Temperature: 0°C to 55°C (32°F to 131°F)

Applications

• Safety-Critical Industrial Automation – Ensures compliance with functional safety standards
• Factory and Machine Safety Monitoring – Integrates safety-rated inputs for emergency stop systems
• Distributed Safety Systems – Works with POINT Guard I/O and Safety PLCs
• Automated Equipment Protection – Supports safe operation of machinery and processes

Why Choose the Allen-Bradley 1734-IB8S?

• Certified Safety-Rated Digital Input Module – Ensures high-reliability operation
• Seamless Integration with POINT I/O Safety Systems – Ideal for distributed safety architectures
• Compact and Modular Design – Supports space-saving installations
• Fast and Reliable Signal Processing – Critical for safety automation applications

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