1756-IV16 | Allen-Bradley | Digital Input Module

Description

The Allen-Bradley 1756-IV16 is a digital sourcing I/O module designed for use in industrial control systems. It features 16 inputs, organized into 8 points per group, and is compatible with the ControlLogix 1756 chassis. To attach to the chassis, it requires a removable terminal block housing, specifically either the 1756-TBNH or 1756-TBSH.

Operating within a voltage range of 10 to 30 Volts DC, the module is categorized for 12/24 Volt DC source voltage. Its nominal input voltage is 24 Volts DC, with a total backplane power of 0.61 Watts and a maximum inrush current of 250 milliamps. The maximum input impedance at 30 Volts DC is 3.2 kΩ, and it dissipates a maximum of 5.1 Watts at 60 degrees Celsius, with a thermal dissipation of 18.47 BTU/hour.

Technical Specifications

Specifications

Information About 1756-IV16

The Allen-Bradley 1756-IV16 is a digital sourcing I/O module designed for industrial applications. With 16 inputs available, organized into 8 points per group, it seamlessly integrates with the ControlLogix 1756 chassis. To attach to the chassis, it necessitates a removable terminal block housing, specifically either the 1756-TBNH or 1756-TBSH.

Operating within a voltage range of 10 to 30 Volts DC, the 1756-IV16 module falls under the 12/24 Volt DC source voltage category, with a nominal input voltage of 24 Volts DC. Its total backplane power consumption is 0.61 Watts, with a maximum inrush current of 250 milliamps. The module exhibits a maximum input impedance of 3.2 kΩ at 30 Volts DC and dissipates a maximum of 5.1 Watts at 60 degrees Celsius, with a thermal dissipation of 18.47 BTU/hour.

Featuring a continuous isolation voltage of 250 Volts, the module maintains a maximum voltage of 5 Volts DC and a maximum current of 1.5 milliamps during an off-state. In the on-state, it operates within a current range from a minimum of 2 milliamps at 10 Volts DC to a maximum of 10 milliamps at 30 Volts DC.

The 1756-IV16 module incorporates a screw-to-backplane input delay time, varying based on transition states. When transitioning from off to on, the input delay time includes the hardware delay (with a nominal of 280 microseconds and a maximum of 1 millisecond) in addition to the user-selectable filter time (0 milliseconds, 1 millisecond, or 2 milliseconds). Conversely, when transitioning from on to off, the input delay time comprises the hardware delay time (with a nominal of 540 microseconds and a maximum of 2 milliseconds) alongside the user-selectable filter time (1 millisecond, 2 milliseconds, 9 milliseconds, or 18 milliseconds).

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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