Order now the 1794-IV16, a versatile 16-point digital input module from the Allen-Bradley FLEX I/O series. This sourcing input module is engineered to provide high-density I/O capabilities for 24V DC discrete signals, making it a cornerstone for modern automated assembly lines and process control hardware.
What Is the 1794-IV16?
The 1794-IV16 is a high-density digital input module that accepts 24V DC signals from field devices such as limit switches, proximity sensors, and push buttons. Unlike sinking modules, this «sourcing» module requires the input device to provide the current. It is designed to snap onto a terminal base, allowing for easy «Removal and Insertion Under Power» (RIUP) in non-hazardous environments.
Key Technical Specifications
- Number of Inputs: 16 Sourcing
- On-State Voltage Range: 10V DC to 31.2V DC
- On-State Current: 2.0mA minimum
- Off-State Voltage: 5.0V DC maximum
- Nominal Input Impedance: 8k Ohms
- Isolation: 50V (continuous) Basic Insulation Type
- FLEXBus Current: 30mA
Industrial Applications
The 1794-IV16 is widely used in high-speed packaging, automotive manufacturing, and material handling systems. Its 16-point density allows engineers to maximize cabinet space. It integrates seamlessly with Allen-Bradley communication adapters, enabling remote I/O placement close to the actual sensors, which significantly reduces the cost of copper wiring and troubleshooting time.
Installation Advice
When installing the 1794-IV16, ensure the keyswitch on the terminal base is set to position 2. Misalignment can damage the module pins. For high-vibration environments, always use the 1794-TB3S spring-clamp terminal base to ensure secure wire connections that won’t loosen over time compared to traditional screw terminals.
Frequently Asked Questions
Q: Does the 1794-IV16 support electronic keying?
A: Yes, it supports both exact match and compatible module keying via Studio 5000, preventing the wrong module type from being operational if swapped during maintenance.
Q: Can I use this module with an AC power supply?
A: No, the 1794-IV16 is strictly designed for 24V DC sourcing signals. Connecting AC voltage will cause permanent hardware failure.
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