Allen-Bradley 1715-IB16D 16-Channel Redundant DC Digital Input Module

Product Description

The Allen-Bradley 1715-IB16D is a 16-channel redundant DC digital input module engineered for high-availability control systems. Designed for use within the 1715 redundant I/O platform, this module provides reliable signal acquisition and fault-tolerant operation for critical industrial applications.

Its compact DIN-rail mounting and IP20-rated enclosure make it ideal for space-efficient installation in control cabinets. The module supports a voltage range of 18–32 VDC, ensuring stable input signal detection even under variable operating conditions.

Key Specifications

• Manufacturer: Allen-Bradley

• Model: 1715-IB16D

• Product Type: Redundant DC Digital Input Module

• Series: 1715 I/O

• Number of Channels: 16 digital input points

• Input Voltage Range: 18–32 VDC

• Signal Type: DC digital input

• Redundancy: Supported for fault-tolerant configurations

• Mounting Type: DIN rail mounted

• Protection Rating: IP20

• Operating Temperature: -25°C to +70°C (-13°F to +158°F)

• Category: VDC Logic I/O Module

• Weight: 0.40 lbs (0.18 kg)

Features

• Dual-channel redundant design for high system reliability

• Compact and modular construction for efficient panel layout

• Wide operating temperature range for industrial flexibility

• Designed for seamless integration with 1715 redundant I/O systems

• Clear LED diagnostics for input status and module health

Application Scenarios

The Allen-Bradley 1715-IB16D is ideal for use in safety-critical and continuous process control environments such as power generation, petrochemical plants, and water treatment facilities. It ensures uninterrupted monitoring of digital signals in redundant PLC architectures.

FAQs

Q: Can this module be used in non-redundant systems?
A: Yes, it can operate in non-redundant mode, but full functionality is achieved when used within a redundant I/O configuration.

Q: What is the minimum input current per channel?
A: Each input typically requires 6 mA at 24 VDC to guarantee proper signal recognition.