1746-IV16 | Allen-Bradley SLC 500 16-Point 24VDC Sourcing Input Module

Product Description

The Allen-Bradley 1746-IV16 is a 16-point DC input module from the SLC 500 series designed for sourcing input configurations. It provides reliable and fast digital signal detection for control applications operating at 24 VDC nominal. This module is ideal for integrating sensors, switches, and other DC-based input devices into industrial automation systems.

With a compact single-slot form factor, the 1746-IV16 minimizes panel space usage while maintaining superior signal integrity. The module features low input delay times and robust electrical isolation, ensuring accurate data capture even in high-noise environments.

Key Specifications

• Manufacturer: Allen-Bradley

• Model: 1746-IV16

• Product Type: Sourcing Discrete Input Module

• Series: SLC 500

• Input Channels: 16 DC inputs

• Nominal Input Voltage: 24 VDC

• Input Voltage Range: 10–30 VDC

• Input Type: Sourcing (positive common)

• Nominal Input Current: 8 mA @ 24 VDC

• Off-State Voltage (Max): 5 VDC

• Off-State Current (Max): 1 mA

• Signal Delay: ON = 0.3 ms, OFF = 0.5 ms

• Backplane Current (5VDC): 85 mA

• Wiring Configuration: Source-type wiring

• Backplane Consumption: 0.085 A @ 5 VDC

• Response Time: 8 ms typical

• Weight: 0.50 lbs (0.23 kg)

Features

• Compact 16-point sourcing input configuration for DC applications

• Fast response time suitable for high-speed digital signal detection

• Compatible with SLC 500 I/O chassis and communication backplanes

• Wide voltage tolerance for stable operation in industrial environments

• Durable design with high resistance to electrical interference

Application Scenarios

The Allen-Bradley 1746-IV16 is ideal for DC input signal acquisition in factory automation, material handling, packaging machinery, and process control systems. It integrates easily with SLC 500 processors for use in discrete and mixed-control environments.

FAQs

Q: What type of sensors can connect to the 1746-IV16?
A: This module is compatible with DC sourcing sensors and switches operating within 10–30 VDC.

Q: Does the module support sinking inputs?
A: No, it supports only sourcing input configurations.

Q: What are the compatible wiring accessories?
A: The module can be used with 1746-HT or 1746-HCA wiring harnesses.