Allen Bradley Flex 16 Point Digital Input Module 1794-IB16


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  • Manufacturer: Allen Bradley – PLC
  • Product Type: PLC/Programmable Logic Controller
  • Part Number: 1794-IB16
  • Series: Flex I/O 1794
  • UPC: 10612598137784
SKU: 1794-IB16 Category:


The 1794-IB16 is a discrete input module from Allen-Bradley. This module comes with Flex Input-Output technology. There are a total of sixteen (1624 volts direct current sinking input channels on this module. This input module is compatible with a number of terminal base units, including the 1794-TB3, the 1794-TBKD, the 1794-TB3S, the 1794-TB3K, the the1794-TB3SK, and the 1794-TB37DS. This discrete module can be used to execute distributed I/O applications. It does so using the 1794 Flex IO adapter.

  • 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
  • Part Number/Catalog: No. 1794-IB16
  • 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
  • Nominal Input Impedance: 4.6 k?
  • Flexbus Current: 30mA @ 5V DC
  • Power Dissipation: 6.1W @ 31.2V DC max.

The Allen-Bradley 1794-IB16 supports a wide range of applications. This discrete module supports third-party digital and analog modules, as well as a number of specialized industrial modules. Thanks to the RIUP (removal and insertion under power) feature, users can change modules and connect cables while the system is running. Flex I/O-XTTM extreme environment modules are compatible with the ControlLogix-XTTM severe environment system and are rated for -20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit).

Each I/O module requires a terminal base for I/O wire connection points. The module has a total number of sixteen (16) inputs. All of the sixteen (16) input ports are sinking type. This discrete module is compatible with a variety of terminal base units such as the 1794-TB3, the 1794-TB3S, the 1794-TB3K, the 1794-TB3SK, the 1794-TBKD, and the 1794-TB37DS. The nominal on-stage voltage is around twenty-four (24) volts direct current (DC) and eight (8) milliamperes is the nominal on-stage current. Similarly, the nominal off-stage voltage and current is five (5) volts direct current and 1.5 milliamperes with a nominal input impedance is 4.6k Ω. The isolation voltage is fifty (50) volts and the FlexBus current is about thirty (30) milliamperes at five (5) volts direct current.

The Allen-Bradley 1794-IB16 can be paired with other communication adapters in any industrial setting. The Allen-Bradley 1794-IB16 is compatible with multiple communication adapters. The DeviceNet adapter, the Ethernet adapter, the Remote I/O adapter, the ControlNet adapter, and the Profibus communication adapter are all compatible communication adapters with this discrete input module.

Additional information

Weight 0.1 kg


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