Description:

The Allen Bradley 1734-IB8K POINT I/O Digital Input Module is used in distributed PLC control systems for acquiring digital input signals from field devices. Commonly installed in POINT I/O systems within industrial automation environments such as machine control panels, conveyors, and production lines. Maintenance teams, OEMs, and system integrators use this module for system expansion, retrofit, or replacement of digital input modules.

Applications:

The Allen Bradley 1734-IB8K is designed for discrete input monitoring in distributed I/O architectures, enabling PLC systems to receive signals from sensors, switches, and other field devices. It is widely used in packaging machines, material handling systems, and process automation where reliable 24V DC input signal acquisition is required. With 8 sinking input channels and configurable input filtering, it ensures stable signal processing and seamless integration into CompactLogix and ControlLogix systems.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model / Part Number: 1734-IB8K
• Product Type: Digital Input Module
• Series: POINT I/O
• Number of Inputs: 8 channels (1 group of 8)
• Input Type: Sinking (DC)
• Input Voltage: 10–28.8V DC (24V nominal)
• Input Current: Approx. 4 mA @ 24V DC
• Input Impedance: ~3.6 kΩ nominal
• Input Filter: 0.5 ms hardware + configurable up to 63 ms
• Mounting: DIN rail (POINT I/O system)
• Power Supply: 24V DC
• Operating Temperature: -20 to 55°C
• Diagnostics: LED status indicators per channel
• Lifecycle Status: Active

Common Replacements:

• Allen-Bradley 1734-IB8
• Allen-Bradley 1734-IB8S
• Allen-Bradley 1734-IB8SK