1794-IB16 | Allen-Bradley FLEX I/O Input Module, 24V DC, 16 Sink Inputs

Allen-Bradley · HMIs & Displays

Description  The Allen-Bradley 1794-IB16 is a Flex I/O discrete input module designed for distributed control systems. It provides sixteen 24 VDC sinking input channels and connects through terminal base units for flexible wiring and integration.     Technical Specifications  Condition New/Never Used Surplus Brand Allen-Bradley Manufacturer Rockwell Automation Part Number 1794-IB16 Operating Temperature 0 to 55 C (32 to 131 F) Wire Size Determined by installed terminal base Mounting DIN Rail Indicators 16 Yellow status indicators On-state Voltage, nom. 24 VDC On-state Voltage, max. 31.2 VDC On-state Voltage, min. 19.2 VDC Number of Inputs Sixteen (16), sinking inputs Terminal base 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK, 1794- TBKD, 1794-TB37DS Product Description Flex IO DC Input Module Storage Temperature -40 to 85 C (-40 to 185 F) Vibration 5g @ 10 to 500 Hz Operating Shock 30 g Product Type Flex I/O Digital Input Modules Inputs 16 Current Sinking On-state Voltage min. 10V DC On-state Voltage max. 31.2V DC On-state Current min. 2.0mA min. On-state Current max. 12.0mA Off-state Voltage max. 5V DC Off-state Current max. 1.5mA Flexbus Current 30mA @ 5V DC Power Dissipation 6.1W @ 31.2V DC max.       Information About 1794-IB16 The 1794-IB16 is part of the Allen-Bradley Flex I/O family, developed to reduce wiring complexity and installation costs by allowing distributed I/O placement near field devices. This module supports sixteen current sinking inputs, with an operating voltage range of 10–31.2 VDC and a nominal voltage of 24 VDC. Input signals are considered ON above 10 VDC with a minimum current of 2.0 mA and OFF below 5 VDC with leakage currents up to 1.5 mA. The unit provides sixteen yellow status indicators, one per channel, for quick diagnostics and monitoring. Compatible with several terminal base units including 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK, 1794-TBKD, and 1794-TB37DS, it ensures wiring flexibility. Communication to the controller requires a Flex I/O adapter such as 1794-AENT (Ethernet), 1794-ADN (DeviceNet), 1794-ASB (Remote I/O), 1794-ACN (ControlNet), or 1794-APB (Profibus). With DIN rail mounting and rugged design tested for vibration and shock, the 1794-IB16 is widely applied in distributed control and monitoring. Key Features: Input Channels: Sixteen 24 VDC sinking inputs grouped for distributed applications. Voltage Range: Operates from 10–31.2 VDC, nominal 24 VDC, with ON threshold above 10 VDC. Current Characteristics: Requires 2.0 mA minimum ON current; tolerates up to 12 mA; OFF state leakage max 1.5 mA. Indicators: Sixteen yellow status LEDs provide per-channel signal monitoring. Mounting: DIN rail mounting for quick installation in distributed I/O setups. Terminal Bases: Compatible with 1794-TB3, TB3S, TB3K, TB3SK, TBKD, and TB37DS terminal bases. Communication: Works with Flex I/O adapters including Ethernet, ControlNet, DeviceNet, Profibus, and Remote I/O. Durability: Rated for 0–55 °C operation, with 30 g shock and 5 g vibration resistance. The 1794-IB16 delivers the reliability and precision required for distributed digital input applications in Flex I/O systems.

Brand: Allen-Bradley · Category: HMIs & Displays

Key features

• Input Channels: Sixteen 24 VDC sinking inputs grouped for distributed applications.
• Voltage Range: Operates from 10–31.2 VDC, nominal 24 VDC, with ON threshold above 10 VDC.
• Current Characteristics: Requires 2.0 mA minimum ON current; tolerates up to 12 mA; OFF state leakage max 1.5 mA.
• Indicators: Sixteen yellow status LEDs provide per-channel signal monitoring.
• Mounting: DIN rail mounting for quick installation in distributed I/O setups.
• Terminal Bases: Compatible with 1794-TB3, TB3S, TB3K, TB3SK, TBKD, and TB37DS terminal bases.
• Communication: Works with Flex I/O adapters including Ethernet, ControlNet, DeviceNet, Profibus, and Remote I/O.
• Durability: Rated for 0–55 °C operation, with 30 g shock and 5 g vibration resistance.

Specifications

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