Title: Allen Bradley 1746-IV16 SLC 500 16-Point 10-30V DC Sinking Input Module

Product Overview:
The Allen Bradley 1746-IV16 is a robust and highly reliable 16-point DC Sinking Input Module meticulously engineered for seamless integration with the Allen Bradley SLC 500 series of programmable logic controllers (PLCs). This essential industrial automation component serves as a critical interface, enabling the precise connection and interpretation of signals from various 10-30V DC field devices, including proximity sensors, limit switches, pushbuttons, photo-eyes, and other digital input sources, into your centralized control system. The 1746-IV16 module efficiently converts real-world electrical signals into digital data that the SLC 500 processor can accurately interpret and utilize for sophisticated machine control, real-time process monitoring, and comprehensive data acquisition. Its high input density optimizes valuable panel space while consistently delivering the dependable performance and exceptional reliability synonymous with Allen Bradley products, even in the most demanding industrial environments. Ideal for a wide array of industrial applications, the 1746-IV16 ensures efficient, accurate, and timely data collection, significantly contributing to enhanced operational efficiency, improved system diagnostics, and overall system reliability.

Key Features & Benefits:

High-Density 16 Inputs: Provides 16 individual 10-30V DC sinking inputs, maximizing I/O capacity within a single module slot, which effectively saves valuable panel space and reduces overall system complexity and wiring.
Wide Voltage Compatibility: Supports a broad input voltage range of 10-30V DC, ensuring versatile compatibility with common industrial 24V DC power supplies and a diverse array of standard industrial field devices.
Sinking Input Configuration: Specifically designed for sinking input applications, where the external field device provides a voltage source and the module completes the circuit to ground, a common industrial standard.
Electrical Isolation: Features robust channel-to-backplane and channel-to-channel isolation, significantly enhancing noise immunity, protecting the PLC from electrical disturbances, and improving overall system stability and reliability.
Real-Time Status Indicators: Equipped with clear, individual LED indicators for each input point, providing immediate visual feedback on input status for rapid troubleshooting, simplified diagnostics, and efficient system monitoring.
Seamless SLC 500 Integration: Guarantees full compatibility and effortless integration with all Allen Bradley SLC 500 processors and chassis, ensuring straightforward installation and configuration within existing or new control systems.
Robust Industrial Design: Meticulously engineered to withstand harsh industrial environments, featuring a durable construction that ensures long-term, reliable performance and exceptional longevity in challenging operational conditions.
Efficient Data Acquisition: Facilitates rapid and accurate acquisition of critical digital input signals, which is absolutely crucial for precise control, event monitoring, safety interlocks, and sequential operations in automated processes.
Simplified Wiring: Utilizes a removable terminal block (typically 1746-RTB18, sold separately) for easy, secure, and organized wiring connections, significantly simplifying both initial installation and ongoing maintenance procedures.
Enhanced System Performance: Contributes directly to overall system stability, responsiveness, and performance by providing a reliable and high-integrity interface for critical input data, thereby minimizing downtime and optimizing operational efficiency.

Applications:

The Allen Bradley 1746-IV16 DC Input Module is an indispensable and highly versatile component across a multitude of industrial and commercial applications that demand reliable and accurate digital input signal processing. Its robust design and broad compatibility make it ideally suited for:
Manufacturing and Assembly Lines: Monitoring the precise status of proximity sensors, limit switches, emergency stop buttons, and pushbuttons on conveyors, robotic cells, automated machinery, and packaging equipment.
Process Control Systems: Integrating critical signals from flow switches, pressure switches, level sensors, temperature switches, and valve position feedback in chemical, food & beverage, pharmaceutical, and water/wastewater treatment plants.
Material Handling and Logistics: Accurately tracking product presence, position, orientation, and movement in warehousing, automated storage and retrieval systems (AS/RS), sorting lines, and distribution centers.
Building Automation and HVAC: Monitoring door/window contacts, occupancy sensors, fire alarm inputs, and the operational status of various equipment in commercial, industrial, and institutional buildings.
Energy Management Systems: Collecting real-time data from various switches and sensors for comprehensive energy consumption monitoring, load shedding, and optimized control strategies.
Machine Control: Providing essential input for safety interlocks, start/stop commands, operational feedback, and sequence control in diverse industrial machinery, including presses, CNC machines, and specialized equipment.
Test and Measurement: Acquiring reliable digital signals in laboratory, research, and industrial testing environments for data logging and analysis.

Technical Specifications:

Part Number: 1746-IV16
Alternative Part Number: 1746IV16
Module Type: DC Sinking Input Module
Number of Inputs: 16
Input Voltage Range: 10-30V DC
Nominal Input Voltage: 24V DC
Input Current (per point): 8 mA @ 24V DC (typical)
Maximum Off-State Leakage Current: 1.5 mA
Maximum On-State Voltage Drop: 1.5V DC
Input Delay Time (On/Off): 8 ms maximum
Backplane Current Draw: 100 mA @ 5V DC
Isolation: 1200V AC RMS (channel-to-backplane, channel-to-channel)
Terminal Block: Requires 1746-RTB18 (sold separately)
Operating Temperature: 0°C to 60°C (32°F to 140°F)
Storage Temperature: -40°C to 85°C (-40°F to 185°F)
Relative Humidity: 5-95% non-condensing
Dimensions (HxWxD): Standard SLC 500 module size (approx. 145 mm x 35 mm x 140 mm)
Weight: 0.45 kg (1.0 lb)
Series Compatibility: Allen-Bradley SLC 500 Series Programmable Logic Controllers