Allen-Bradley 1738-IB8M12 | ArmorPoint 8-Channel 24V DC Sinking Input Module – M12 Quick-Disconnect

Overview

The Allen-Bradley 1738-IB8M12 is an 8-point sinking input module for the ArmorPoint I/O system, equipped with four M12 connectors, each supporting two input channels. Designed for 24V DC applications, this compact module is ideal for machine-mount environments and offers an IP67-rated housing for direct exposure to industrial conditions.

It provides diagnostic feedback, configurable input delays, and efficient point-level power management—ideal for distributed I/O in harsh environments.

Key Features

• Input Type: 8 sinking (NPN) inputs

• Nominal Voltage: 24V DC

• Voltage Range: 10–28.8V DC

• On-State Current: 2–5 mA

• On-to-Off Delay: 0.5 ms hardware + 0–65 ms (software selectable)

• M12 Quick Disconnects: 4 connectors (2 inputs per connector)

• Termination: DC Micro (M12), coded for industrial use

• Status LEDs: Channel-level diagnostics

• Robust Design: IP67 protection for on-machine mounting

Technical Specifications

• Model: 1738-IB8M12

• Channels: 8

• Input Type: DC sinking (NPN)

• Voltage Range: 10–28.8V DC

• Current Draw:

  • PointBus Current: 75 mA

  • Power Dissipation: 1.6 W @ 28.8V DC

• Input Delay Times:

  • ON to OFF: 0.5 ms + (0–65 ms software)

• Environmental Ratings:

  • Operating Temp: -20°C to +60°C

  • Storage Temp: -40°C to +85°C

  • Humidity: 5% to 95% non-condensing

  • Shock: 30g operating, 50g non-operating

  • Vibration: 5g, 10–500 Hz

• Enclosure Rating: IP65, IP66, IP67

• Mounting: DIN rail or panel

Recommended Accessories

• Double-Ended Patchcord: 879D-F4ACDM

• Single-Ended Male Cordset: 879D-C3ACD4M

• Field-Attachable Connector: 871A-VS4-DM

Applications

• On-Machine Sensing – Ideal for direct sensor input in compact layouts

• Material Handling & Conveying Systems

• Automated Packaging Lines – High-density, sealed input requirements

• OEM Control Panels – Simplifies wiring with M12 connectors

Why Choose the 1738-IB8M12?

• Compact M12 interface with 2 inputs per port

• Fast, configurable response times

• IP67 protection for reliable on-machine use

Order Now

Available and ships worldwide. Ask about matching output modules, power extenders, or ArmorPoint I/O node builders.