Replace Industrial
UPC10612598171306
BrandAllen-Bradley
Inputs32
SeriesControlLogix
Module TypeDigital DC Input Module
ManufacturerRockwell 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 SoftwareVerson 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-IB32
Power Dissipation (Max)6.2 W @ 60 °C (140 °F)
Maximum Operating Current5.5 milliamperes
Minimum Operating Current2 milliamperes at 10 Volts DC
Input Delay Time, OFF to ONHardware delay: 380 µs max + filter time
Input Delay Time, ON to OFFHardware delay: 420 µs max + filter time
Backplane Current at 5 Volts120 milliamperes
Removeable Terminal Block(s)1756-TBCH 1756-TBSH
Backplane Current at 24 Volts2 milliamperes
Backplane Current at 5.1 Volts100 milliamperes
Maximum Input Current, Off-State1.5 milliamperes
Allen-Bradley

1756-IB32

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PLCsControlLogix 1756

The Allen-Bradley 1756-IB32 is a digital DC input module part of the ControlLogix series, with 32 inputs that operate on a 10-31.2V DC voltage range. Offering electronic keying, it has a 2ms input delay time and supports up to 5.5mA operating current, making it a reliable choice for responsive I/O operations.

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Overview of Allen-Bradley 1756-IB32

The Allen-Bradley 1756-IB32 is a digital input module belonging to the ControlLogix family. This module is specifically designed to receive and process digital signals from various field devices such as switches, push-buttons, and sensors. It is used within an industrial automation environment to facilitate communication between the processing unit and the on-site machinery components.

Module Specifications

The 1756-IB32 input module comes with 32 input points and offers a 10-31 VDC operating voltage range. It provides an open-style type of enclosure and can operate efficiently within a wide temperature range, typically from 0 to 60 degrees Celsius. It features a high level of precision and speed, ensuring reliable performance in demanding applications.

Installation and Compatibility

As part of the Allen-Bradley ControlLogix system, the 1756-IB32 module is designed to fit seamlessly into a standard ControlLogix chassis. It is compatible with various ControlLogix processors, offering ease of installation and integration into existing systems. Additionally, it employs a backplane current draw of 120 mA at 5.1 VDC, which must be considered when planning the power supply distribution within the ControlLogix rack.

Communication and Diagnostics

This module allows for real-time diagnostics and status monitoring through the ControlLogix controller. This enables quick identification and resolution of issues, improving system uptime. The Allen-Bradley 1756-IB32 also features electronic keying to prevent incorrect module replacement and ensure the correct module is inserted into the chassis slot.

Applications and Use

The 1756-IB32 digital input module is widely used in various industrial control applications where precise digital signal processing is essential. Its robust design and capacity to handle a large number of inputs make it suitable for complex machinery control, process automation, and safety-critical operations in manufacturing plants, power generation facilities, and other industrial contexts.

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