Replace Industrial
UPC10612598171290
BrandAllen-Bradley
Inputs16
SeriesControlLogix
Module TypeDigital DC Input Module
ManufacturerIndustrial Automation
Input Voltage12-24 Volts DC Sink
Module KeyingElectronic, software configurable
No. of InputsThirty-Two (32) Inputs
Input Delay Time2 milliseconds plus selected filter time
Thermal Dissipation21.1 BTU/hr @ 60 °C (140 °F)
Programming softwareRSLogix 5000 Software Verson 8.02.00 or later; Studio 5000
RSLogix 5000 SoftwareVerson 8.02.00 or later
Operating Voltage Range10-31.2 Volts DC
Part Number/Catalog No.1756-IB16
Power Dissipation (Max)5.1 W @ 60 °C (140 °F)
Maximum Operating Current10 milliamperes at 31.2 Volts DC
Minimum Operating Current2 milliamperes at 10 Volts DC
Input Delay Time, OFF to ONHardware delay: 290 µs nom/1 ms max + filter time
Input Delay Time, ON to OFFHardware delay: 700 µs nom/2 ms max + filter time
Removeable Terminal Block(s)1756-TBCH 1756-TBS6H
Backplane Current at 24 Volts2 milliamperes
Backplane Current at 5.1 Volts120 milliamperes
Maximum Input Current, Off-State1.5 milliamperes
Allen-Bradley

1756-IB16

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Ready to ShipPLCsControlLogix 1756

The Allen-Bradley 1756-IB16 is a 32-input digital DC input module from Industrial Automation's ControlLogix series. It operates on 10-31.2V DC with electronic keying and supports removable terminal blocks. Designed for use with RSLogix 5000 Software, it has a 2ms input delay and a maximum power dissipation of 5.1W.

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Allen-Bradley 1756-IB16 Overview

The Allen-Bradley 1756-IB16 is a digital input module designed for use within industrial automation systems. Part of the ControlLogix platform by Rockwell Automation, this module provides 16 discrete inputs for interfacing with various digital devices such as sensors, switches, and other input devices. It primarily serves the purpose of translating real-world binary signals into digital data that can be processed by a programmable logic controller (PLC).

Technical Specifications

The 1756-IB16 module operates with a voltage category of 10-30 VDC (sinking) and features 16 individually isolated inputs. It has a backplane current consumption of 125 mA at 5.1V and 5.4 mA at 24V, making it energy efficient. With a signal-on and off delay of 1 ms max, it ensures timely response to input state changes. The module also supports a variety of communication rates and offers diagnostic capabilities through the ControlLogix system.

Installation and Compatibility

Installation of the Allen-Bradley 1756-IB16 is streamlined thanks to its removable terminal blocks which provide easy wiring and module replacement without the need to disconnect wiring. It is compatible with various Allen-Bradley ControlLogix chassis, and can be installed in any available slot, except the leftmost slot which is reserved for processor or communication modules. The module operates in a wide temperature range, making it suitable for diverse industrial environments.

Software Configuration and Usage

The 1756-IB16 module requires configuration using Rockwell Automation's Studio 5000 or RSLogix 5000 software, allowing users to define input data types and configure module properties. Once configured, the PLC can monitor the state of each input, enabling the automation system to react based on the input signals. This module can also be used in conjunction with other ControlLogix modules to perform complex tasks such as counting, timing, and interlocking.

Safety and Standards Compliance

The Allen-Bradley 1756-IB16 input module adheres to multiple international safety standards, including CE, UL, and C-UL listings, ensuring safe operation in manufacturing and production environments. Its robust construction allows it to withstand the rigors of industrial applications, including exposure to electrical noise, temperature fluctuations, and mechanical vibrations. This compliance also aids in the global acceptance and integration of the ControlLogix system in various industries.

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