Allen-Bradley | 1746-IB16 Digital DC Sinking Input Module

Product Overview

The 1746-IB16 is a 16-channel digital DC sinking input module for the SLC 500 system. It operates with a nominal voltage of 24V DC and supports a voltage range of 10-30V DC. The module is designed for use in any available I/O slot of the SLC 500 chassis.

Key Specifications

• Model: 1746-IB16
• Inputs: 16
• Nominal Input Voltage: 24V DC
• Input Voltage Range: 10-30V DC
• Current Draw: 8mA at 24V DC
• Signal Delay: 8ms (ON and OFF transitions)
• Thermal Dissipation: 0.20W per channel

Performance Details

• Backplane Current: 0.050A
• OFF-State Voltage: 5V DC
• OFF-State Current: 1mA
• Step Response: 100ms in, 2.5ms out

Environmental Ratings

• Operating Temperature: 0 to 60°C (32 to 140°F)
• Storage Temperature: -40 to 85°C (-40 to 185°F)
• Humidity: 5-95% non-condensing
• Shock Resistance: 30G
• Vibration Resistance: 2.5G at 57-200 Hz

Installation and Compatibility

• Installation: Mounts in any available slot of the SLC 500 chassis
• I/O Connection: 1746-HT and 1746-HCA
• Terminals: Removable terminal block for easy installation and replacement

Certifications and Standards

• Noise Immunity: NEMA ICS 2-230
• Certifications: UL-A196, CSA, C-UL Class I, Division 2
• Isolation: Electro-optical isolation tested at 1500V