The Allen-Bradley 1794-IB16 is a 16-point digital input module designed for the FLEX I/O system. This module provides high-density input capability in a compact, modular form factor, allowing for efficient space utilization in industrial control cabinets. It is engineered to interface with 24V DC field devices, supporting a wide operating voltage range of 10 to 31.2V DC. As a sink-type input module, it is suitable for a variety of automation applications requiring reliable digital signal acquisition.
Features
16 digital input channels for high-density signal processing.
Designed for 24V DC operation (10-31.2V DC range).
Sink-type input configuration.
Compatible with the Allen-Bradley FLEX I/O platform.
Compact modular design for flexible system expansion.
Technical Specifications
Product Model
1794-IB16
Input Points
16
Input Type
Digital Sink
Voltage Category
24V DC
Operating Voltage Range
10 to 31.2V DC
Manufacturer
Allen-Bradley
Installation Guidelines
Ensure the power is disconnected from the FLEX I/O base and the module before installation or removal to prevent electrical damage.
Mount the module onto a compatible FLEX I/O terminal base unit. Ensure the module is firmly seated and locked into position.
Use appropriate shielded cabling for input signals to minimize electromagnetic interference (EMI) in industrial environments.
Verify that the field power supply matches the module's voltage requirements (24V DC) before energizing the system.
Maintain adequate clearance around the module to allow for proper airflow and heat dissipation within the control enclosure.
Adhere to standard ESD (Electrostatic Discharge) handling procedures when touching the module terminals or internal components.
FAQ
What is the primary function of the 1794-IB16?
The 1794-IB16 is a digital input module used to monitor the status of 16 discrete field devices (such as sensors or switches) and communicate that data to the PLC processor via the FLEX I/O communication adapter.
Does this module require a terminal base?
Yes, the 1794-IB16 is a modular component that must be installed on a compatible FLEX I/O terminal base (such as the 1794-TB2 or 1794-TB3) to provide the necessary wiring connections for field devices.
Is this module compatible with AC voltages?
No, the 1794-IB16 is specifically designed for 24V DC sink-type inputs and should not be used with AC voltage sources.
