1756-IB32A

Overview of Allen Bradley 1756-IB32

The Allen Bradley 1756-IB32 is a digital DC input module from the ControlLogix family, designed to provide 32 inputs in two groups of 16 points. This module is part of Rockwell Automation's extensive range of industrial automation products, offering reliability and versatility in various control systems. It is typically mounted on a chassis using terminal blocks such as the 1756-TBCH or 1756-TBS6H, ensuring secure and efficient connections. The operating voltage range is between 10 and 31.2 volts DC, with a nominal input voltage of 24 volts DC. The module operates optimally within a temperature range of 0 to 60 degrees Celsius and a humidity range of 5 to 95% non-condensing.

Key Features of Allen Bradley 1756-IB32

- **32 Inputs**: The module features 32 digital inputs, organized into two groups of 16 points each. - **DC Input**: Supports operating voltages from 12 to 24 volts DC. - **Input Current**: Maximum input current is 5.5 mA, with a minimum of 2 mA. - **Power Dissipation**: The module has a maximum power dissipation of 6.2 watts at 60°C. - **Input Delay**: Hardware delay is 2 milliseconds plus the selected filter time. - **Backplane Current**: Draws 120 mA at 5 volts DC and 2 mA at 24 volts DC. - **Thermal Dissipation**: Offers thermal dissipation of approximately 21.1 BTU/hour. - **Isolation**: Features reinforced insulation of 250 volts continuously between inputs and backplane. - **Module Keying**: Electronic module keying is software configurable. - **Removable Terminal Block**: Uses a removable terminal block housing for easy maintenance.

Technical Specs of 1756-IB32

Attribute	Specification
Inputs	32 (2 groups of 16 points)
Input Voltage	12-24 Volts DC (nominal: 24 Volts DC)
Operating Voltage Range	10-31.2 Volts DC
Maximum Input Current	5.5 mA
Power Dissipation	6.2 W @ 60°C
Thermal Dissipation	21.1 BTU/hour

Applications / Use Case

The Allen Bradley 1756-IB32 module is widely used in industrial automation systems, particularly in applications requiring high input density and reliability. It is suitable for various control systems where quick and accurate input data is critical. Typical applications include manufacturing production lines, process control systems, and machinery automation. The module's ability to handle multiple inputs simultaneously makes it an ideal choice for complex control scenarios.

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