Allen-Bradley 1746-IM8 SLC 500 Digital AC Input Module 8-Channel

Product Overview

The Allen-Bradley 1746-IM8 is a digital AC input module. It belongs to the SLC 500 series. This module has 8 input channels. It works with 170 to 265 Volts AC. The voltage frequency range is 47 to 63 Hertz. This module is ideal for general purpose 125 Volts DC inputs. It offers a signal delay of 35 or 45 milliseconds. The off-state current is 2 milliamps. The backplane current at 5 Volts DC is 50 milliamps. This module is designed for industrial environments. It is supplied as open type equipment.

Application Scenarios

The 1746-IM8 module is used in many automation tasks. It works well in factory automation systems. It is suitable for machine control applications. This module can monitor AC signals from sensors. It works with push buttons and limit switches. It is also used in packaging machinery. The module operates in temperatures from -25 to 60 degrees Celsius. It can handle high vibration levels. This makes it perfect for heavy industrial use.

Technical Specifications

The module has a voltage range of 170 to 265 Volts AC. It uses 50 milliamps at 5 Volts DC. The total heat dissipation is 3.1 Watts. Each point dissipates 0.35 Watts. The step response is 100 milliseconds in and 2.5 milliseconds out. The operating shock rating is 30 g. The vibration rating is 1.0 g at 5 to 2000 Hertz. The non-operating temperature range is -40 to 85 degrees Celsius. The relative humidity range is 5% to 95% without condensation.

Installation & Maintenance Guide

Install the module in a suitable enclosure. The enclosure must be accessible only by tools. Keep equipment connected until power is cut. Secure the area before servicing. Use proper I/O connections like 1746-HT and 1746-HCA. Ensure the environment is Pollution 2 or less. The module is for Zone 2 environments. Always follow local electrical codes. Regular inspection is recommended for best performance.

Packing List

1 x Allen-Bradley 1746-IM8 Digital Input Module. 1 x Installation guide. No additional accessories are included. The module is packaged securely for shipping. Shipping is done via Fedex, UPS, or DHL.