Allen-Bradley 1756-IB16 ControlLogix DC Input Module 16 Points

Product Overview

The Allen-Bradley 1756-IB16 is a digital DC input module. It belongs to the ControlLogix family. This module provides 16 input points. It uses a 20-pin removable terminal block. The operating voltage range is 10 to 31.2 Volts DC. It supports sink input wiring. Electronic keying prevents incorrect module insertion. The module offers flexible filter times for noise immunity. It is ideal for industrial automation applications.

Application Scenarios

This module reads discrete signals from sensors. It works with push buttons and limit switches. It also monitors proximity sensors. The 1756-IB16 fits into ControlLogix chassis. Use it in manufacturing lines. Apply it in material handling systems. It works well in packaging machinery. The module is suitable for process control. It also supports machine safety interlocks.

Technical Specifications

The module has 16 inputs. Nominal voltage is 12/24V DC. Operating voltage range is 10 to 31.2V DC. On-state current is 2 mA at 10V DC. Maximum current is 10 mA at 31.2V DC. Off-state current is 1.5 mA maximum. Power dissipation is 5.1 W at 60 °C. Backplane current is 120 mA at 5.1V. Thermal dissipation is 21.1 BTU/hr. Isolation voltage is 250V continuous. Input delay is hardware delay plus filter time. Filter times are 0, 1, 2, 9, or 18 ms.

Installation & Maintenance Guide

Install the module into a ControlLogix chassis. Use a 1756-TBCH or 1756-TBS6H terminal block. Wire inputs according to the sink configuration. Set filter times via software. The module supports electronic keying. Do not exceed 31.2V DC. Keep the chassis clean and dry. Check connections regularly. Replace the module only with power off.

Packing List

1 x 1756-IB16 Input Module. 1 x 20-pin Removable Terminal Block (ordered separately). Installation manual is included. No additional accessories are included.