Overview
The Allen-Bradley 1794-IV16 is a Flex I/O digital input module delivering 16 nonisolated sourcing input points for monitoring discrete field devices in PLC and automation systems. Designed for 24VDC source inputs, this module integrates seamlessly into Flex I/O I/O racks and is widely used in machinery control, process automation, and industrial monitoring applications where reliable digital signal acquisition is required.
Key Features
- 16 nonisolated digital sourcing input points
- Nominal 24V DC input voltage with wide input range (10V to 31.2V DC)
- Open-style, DIN-rail or panel-mount enclosure
- Flex I/O Series 1794 compatible with all standard backplanes
- Compact form factor for space-constrained control cabinets
Technical Specifications
Input current ranges from 2.0 mA minimum to 11.0 mA maximum, with nominal current of 8.0 mA at 24V DC. Maximum input impedance is 4.7 kΩ and maximum power dissipation is 5.7 W at 31.2V DC. Operating temperature range is 32°F to 131°F.
Typical Applications
- Machine tool and automation equipment control
- Process monitoring and sensor signal acquisition
- Safety function monitoring in industrial systems
- Packaging and assembly line automation
- Building automation and HVAC control systems
- Motion control and servo system feedback
Compatibility & Replacements
Compatible With
- Allen-Bradley Flex I/O I/O racks and backplanes (1794 series)
- CompactLogix and ControlLogix controllers via Flex I/O gateway modules
- EtherNet/IP and industrial networks via appropriate bridge modules
- Studio 5000 design and programming environment
- RSLogix 5000 project management
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 1794-IV16 is a direct replacement for obsolete or damaged 1794-IV16 Series A units only. Do not substitute with 1794-IA16 (AC input) or other Flex I/O input modules without confirming voltage and input type compatibility.
Works With
- Studio 5000 Logix Designer
- RSLogix 5000 legacy software
- Flex I/O communication over Flex Channel protocol
- EtherNet/IP industrial Ethernet with compatible gateway
- Allen-Bradley programming terminals and panel PCs
