1746-IB16 | Allen-Bradley | 16-Point Digital DC Input Module

Overview

The 1746-IB16 digital DC input module by Allen-Bradley is designed to deliver reliable digital input performance for the 1746 I/O system. Engineered for industrial automation, this module ensures fast and accurate signal acquisition from field devices, supporting robust control and monitoring applications.

Technical Specifications

• Model: 1746-IB16

• Manufacturer: Allen-Bradley / Rockwell Automation

• Product Type: Digital DC Input Module

• I/O Points: 16 discrete DC inputs

• Voltage Category: 24V DC

• Input Current: Minimum 3 mA @ 24V DC, Maximum 30 mA

• Input Voltage Range: 10–30V DC

• Module Groups: 2 groups of 8 points each

• Backplane Current Consumption: 150 mA @ 5V DC

• Isolation Voltage: Tested up to 500 V DC between input channels and bus

• Operating Temperature Range: 0–60°C (32–140°F)

• Non-Operating Temperature Range: -40–85°C (-40–185°F)

• Humidity: 5–95% non-condensing

• Shock & Vibration: IEC 60068-2 compliant

• Dimensions (HxWxD): 90 x 12.7 x 101.6 mm

• Weight: 0.18 kg

• Compatible Controllers: SLC 500, MicroLogix, CompactLogix

• Mounting: DIN rail or panel mount

Applications

The 1746-IB16 module is suitable for:

• Monitoring digital sensors and switches

• Collecting status signals in manufacturing lines

• Integration into SLC 500, MicroLogix, and CompactLogix systems

• High-reliability control environments requiring fast DC input response

FAQ

Q: How many input points does the 1746-IB16 support?
A: It supports 16 discrete DC input points, divided into 2 groups of 8.

Q: What is the maximum operating temperature for the module?
A: The module operates reliably up to 60°C (140°F).

Q: Can this module be used with CompactLogix systems?
A: Yes, it is compatible with CompactLogix as well as SLC 500 and MicroLogix controllers.

Q: What is the required wiring type?
A: Copper wire rated for 90°C; solid 22–14 AWG, stranded 22–16 AWG.