Allen-Bradley 1734-IB8 8-Channel Discrete Input Module

Product Overview

The 1734-IB8 is a POINT I/O digital input module from Allen-Bradley. It has eight discrete sinking input channels. Each channel accepts 24VDC nominal voltage. This module works as part of a distributed I/O system. It connects through a POINT I/O communication adapter. Use it with a 1734-TB or 1734-TBS wiring base. The open-style enclosure allows horizontal or vertical mounting.

Application Scenarios

Use this module in industrial automation for monitoring sensors. It reads proximity switches, push buttons, and limit switches. The 24VDC input range suits many factory floor signals. Install it in clean, dry locations. Avoid corrosive substances to protect the module.

Technical Specifications

Power dissipation is 1.6 Watts or 5.5 BTU per hour. It draws 75 mA from the POINTBus. Input voltage range is 10 to 28.8VDC. Input current range is 2 to 5 mA, with nominal 4 mA at 24VDC. Hardware input filter is 0.5 ms. User can select additional software filter from 0 to 63 ms. Dimensions are 56 x 12 x 75.5 mm. Weight is about 31.8 grams. Isolation voltage is 50V continuous, tested at 2500VDC for 60 seconds. It has a keyswitch position of 1.

Status indicators: one green/red module status LED, one network status LED, and eight yellow input status LEDs.

Installation & Maintenance Guide

Install the module on a 1734-TB or 1734-TBS base. Use 0.8 N-m or 7 lb-in torque for terminal screws. Mount on a DIN rail either horizontally or vertically. Ensure the ambient temperature stays between -21 and 55°C. Only an expert should install this unit. Keep the area clean and dry.

Packing List

The package includes one Allen-Bradley 1734-IB8 POINT I/O input module. It does not include the wiring base. Order the base separately. For shipping, we use FedEx, UPS, or DHL.