Allen‑Bradley 1746-OV16 SLC 500 Digital Output Module

The Allen‑Bradley 1746-OV16 is a 16-channel sinking digital output module designed for the SLC 500 PLC system. It receives control instructions from the SLC processor and sends discrete switching signals to drive external loads such as indicator lights, contactors and small solenoid valves in automated production processes.

This module supports DC sinking output with independent channel circuits for reliable load driving. It is equipped with LED status indicators for each channel to simplify on-site fault checking, widely supplied as spare parts for upgrading and maintaining traditional SLC 500 automation control systems.

Main Specifications

• Brand: Allen‑Bradley (Rockwell Automation)
• Model: 1746-OV16
• Product Type: SLC 500 Digital Sinking Output Module
• Number of Channels: 16 discrete output channels
• Output Type: DC sinking output, 10–50VDC
• Rated Current: 0.5A per channel, 4A maximum per module
• Each channel equipped with LED running status indicator
• Operating Temperature Range: 0°C ~ +60°C
• Backplane Power Consumption: 100mA @ 5VDC
• Installation: Standard single-slot SLC 500 chassis mounting

Core Functions

• Convert internal PLC logic signals into field discrete output signals to control external equipment
• Drive DC loads including signal lamps, relays, small solenoid valves and auxiliary contactors
• Visual LED channel indicators help engineers quickly locate circuit and wiring faults
• Built-in overcurrent protection reduces damage risks caused by field load short circuits
• Seamless data exchange with SLC 500 CPU via backplane bus for real-time control
• Fully compatible with SLC 500 series processors, racks and various I/O modules
• Support sequential control, equipment interlock and auxiliary equipment start-stop logic
• Industrial-grade anti-interference design adapts to factory workshop electromagnetic environments
• Convenient terminal wiring structure simplifies field wiring and routine maintenance
• Single-slot plug-in design enables rapid disassembly and replacement during equipment overhaul

Application Scenarios

• Automobile assembly workshop conveyor and fixture control systems
• Food and beverage packaging production line sequential control racks
• Water supply and sewage treatment equipment automatic control cabinets
• Material conveying, sorting and logistics handling automation equipment
• Plastic injection molding machinery and textile production line control units
• Light industry machinery safety interlock and indicator control systems
• Warehouse automated roller and palletizing equipment control racks
• Metallurgical auxiliary equipment and small processing machinery control systems
• Renovation and upgrade of legacy SLC 500 PLC automation platforms
• SLC500 series I/O spare parts maintenance and emergency replacement projects