Allen Bradley 1794-IB16XT digital DC I/O module

Series

ControlLogix

Number of Inputs

16 Inputs

Minimum On-State Current

2 mA

Nominal On-State Current

3 mA @ 24 VDC

Maximum On-State Current

4 mA

Minimum On-State Voltage Rating

10 VDC

Maximum On-State Voltage Rating

31.2 VDC

Minimum Off-State Current

1.5 mA

Input Impedance

4.8 kΩ

Flexbus Current

50 mA

Isolation Voltage

50 V

The 1794-IB16XT model from Allen Bradley is categorized as a digital DC I/O module, integral to the ControlLogix series. This robust module incorporates a total of 16 input channels, allowing for efficient digital signal management in industrial environments. Signal current management is effective, with a minimum on-state current threshold set at 2 mA, reaching up to a maximum of 4 mA. Typically operating at 3 mA at 24 VDC, the system provides efficient performance across the specified voltage ranges.

Voltage ratings are robust, with on-state voltage capabilities starting at 10 VDC and extending up to a maximum of 31.2 VDC. When powered, the supply current varies based on the input voltage, drawing 15 mA at 19.2V DC, 19 mA at 24V DC, 8 mA at 10V DC, and 25 mA at 31.2V DC. For proper operation, the module also defines a minimum off-state current at 1.5 mA.

In terms of resistance, this module features an input impedance of 4.8 kΩ, facilitating accurate signal processing. The flexbus current capabilities ensure that it can handle up to 50 mA, providing sufficient support for connected devices and systems. For enhanced safety and reliability, the unit offers 50 V of isolation voltage, safeguarding against unwanted electrical interference. Overall, the 1794-IB16XT is designed for efficient, reliable communication within modern automation systems.

Question

Answer

What is the Allen-Bradley 1794-IB16XT used for?

The Allen-Bradley 1794-IB16XT is a FLEX I/O-XT 16-point digital input module designed for distributed industrial I/O applications in extreme temperature environments. It is commonly used in process automation, manufacturing, and harsh industrial installations.

How many inputs does the 1794-IB16XT provide?

The module provides 16 sinking digital input channels operating at 24V DC, allowing reliable signal monitoring from field devices such as sensors and switches.

What temperature range can the 1794-IB16XT operate in?

The 1794-IB16XT is designed for extreme environments and supports an operating temperature range of -20°C to +70°C (-4°F to +158°F).

What are the installation and mounting options for the 1794-IB16XT?

The module supports DIN rail and panel mounting and is designed as an open-style FLEX I/O module for in-cabinet installation.

What are the main advantages of the 1794-IB16XT module?

The module offers reliable 24V DC input performance, compact FLEX I/O integration, extended temperature capability, low power consumption, and compatibility with ControlLogix-XT and FLEX I/O systems for harsh industrial environments.

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