Allen-Bradley 1738-IB8M8 | ArmorPoint 8-Channel 24V DC Sinking Input Module – M8 Pico Quick-Disconnect

Overview

The Allen-Bradley 1738-IB8M8 is an 8-point digital input module for the ArmorPoint I/O system, designed to operate with 24V DC sinking (NPN) inputs. Each channel is terminated with a dedicated 3-pin M8 Pico-style connector, making it ideal for compact or space-constrained applications. With an IP67-rated enclosure, this module supports on-machine installation in harsh industrial environments.

Key Features

• Input Type: 8 digital sinking (NPN) inputs

• Nominal Voltage: 24V DC

• Voltage Range: 10–28.8V DC

• Connector Type: 8 M8 Pico 3-pin quick-disconnects (1 input per connector)

• Status LEDs: Individual indicators per input channel

• On-State Current: 2–5 mA

• Input Delay Time:

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

• PointBus Current: 75 mA

• Power Dissipation: 1.6 W max @ 28.8V DC

• Enclosure: IP65, IP66, IP67 – suitable for washdown and harsh environments

Technical Specifications

• Model: 1738-IB8M8

• Input Channels: 8

• Voltage Range: 10–28.8V DC

• Current Draw: 2–5 mA (on-state), 1.5 mA max (off-state)

• Input Delay: 0.5 ms + 0–65 ms programmable

• Operating Temperature: -20°C to +60°C

• Storage Temperature: -40°C to +85°C

• Humidity: 5% to 95% non-condensing

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

• Vibration: 5g, 10–500 Hz

• Mounting: Direct machine or DIN-rail with backplane

Applications

• Compact Industrial Machines – With space-saving M8 input connectivity

• Sensor-Heavy Environments – Easy one-to-one sensor wiring

• OEM Equipment – Rugged I/O with simple cable management

• Washdown or Dust-Prone Areas – IP67-rated enclosure for reliability

Why Choose the 1738-IB8M8?

• One M8 connector per input for simplified wiring and isolation

• Ideal for compact or high-density field device applications

• Sealed housing enables machine-mount deployment

Order Now

Available and ships worldwide. Ask about matching cordsets, ArmorPoint output modules, or mounting accessories.