Allen Bradley 1756-IA16I Digital Input Module

The AB 1756-IA16I is a high-density, isolated digital input module for ControlLogix systems. Designed to handle 16 individual 120V AC input signals, this module offers reliable and isolated channel control for demanding industrial environments requiring robust signal interfacing. Each input is isolated, improving signal integrity and system protection in high-noise applications.

Technical Specifications

Manufacturer: 1756IA16I
Product Series: ControlLogix
Part Number: 1756-IA16I
Module Type: Digital Input
Input Channels: 16 x AC Isolated
Signal Type: 120V AC (79–132V AC nominal range)
Isolation Type: Channel-to-Backplane
Backplane Communication: ControlLogix-compatible

Electrical Specifications

Permitted Input Voltage Range: 110 V AC nominal
Input Current per Channel: 3 mA
Signal Change Delay: 1–18 ms (configurable)
Input Frequency: 50/60 Hz typical
Short-Circuit Protection: Not available
Output Channels: None
Output Type: N/A

Mechanical Specifications

Module Width: 38.1 mm
Module Height: 300 mm
Module Depth: 111.25 mm
Mounting Type: ControlLogix Chassis (36-pin plug-in connection)
Installation Orientation: Vertical
Terminal Connection: Plug-in

Environmental Specifications

Operating Temperature: 0°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 5–95% non-condensing
Vibration Resistance: Meets IEC 60068-2-6 standards
Shock Resistance: Meets IEC 60068-2-27 standards

Key Features & Benefits

✅ Isolated Input Design – Each channel operates independently, enhancing signal safety and reducing cross-talk

✅ High Voltage Input – Accepts standard 120V AC control signals

✅ ControlLogix Integration – Seamless configuration with Studio 5000 and ControlLogix chassis

✅ Diagnostics & Status Indication – Channel status available for quick troubleshooting

✅ Reliable for Harsh Environments – Ideal for use in industrial, manufacturing, and utility applications

📦 Order the Allen Bradley 1756-IA16I with Confidence

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-IA16I prices. This essential input module provides robust 120V AC signal interfacing for your ControlLogix architecture, with isolated inputs for maximum performance and safety.

Contact us now to check lead times or for technical support

Drive Outlet Megastore – your trusted supplier for ControlLogix automation hardware across the UK & Europe.