Product Overview

• 1746-OV16 is a 16-point sinking (NPN) DC output module for SLC 500 series
• Designed for on/off control of DC loads in general automation applications
• Sinks current from load to module; works with 10–50VDC field power

• Lifecycle status: Discontinued (Dec 31, 2021); available as surplus/refurbished

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Core Features

• 16 sinking DC outputs (NPN), single common group
• Wide voltage range: 10–50VDC, nominal 24VDC
• Short-circuit and overload protection per channel
• LED status indicators for each channel (green = ON)
• Electrical isolation: 500VDC (channel-logic), 1500VAC (backplane)
• Fast response: ON ≤0.5ms, OFF ≤1ms

• Compact chassis-mount for SLC 500 racks

Technical Parameters

• Brand: Allen Bradley / Rockwell Automation
• Part Number: 1746-OV16
• Series: SLC 500 (1746 I/O)
• Output Type: Sinking (NPN), 16 points
• Voltage Range: 10–50VDC (nominal 24VDC)
• Current Rating: 0.5A/channel @30°C; 0.25A/channel @60°C
• Total Current: ≤4A (all channels combined)
• On-State Drop: ≤1.2V @0.5A
• Leakage Current: ≤1mA (OFF state)
• Backplane Current: 270mA @5VDC
• Isolation: 500VDC (channel-logic); 1500VAC (backplane)Rockwell Automation
• Operating Temp: 0°C~60°C
• Weight: ~0.3kg
• Termination: Screw terminals (integrated)

• Certifications: UL, CE, CSA, RoHS

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Applications

• General-purpose DC load control: solenoids, relays, indicators, small motors
• Assembly lines, packaging machinery, material handling
• SLC 500 system expansion and retrofit projects

• Industrial panels with 24VDC field devices

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Our Advantages

• Refurbished and used stock with full testing
• Competitive pricing for legacy SLC 500 spares
• 12-month warranty and technical support
• Fast global shipping