Overview
The Allen-Bradley 1746-OV16 is a 16-point discrete DC output module purpose-built for SLC 500 modular programmable logic controllers. This sinking-output module delivers efficient control of solenoids, lights, motors, and other 24V DC loads in industrial automation and manufacturing environments. The 1746-OV16 operates across the standard 10-50V DC range with removable terminal blocks for straightforward wiring and reconfiguration.
Key Features
- 16 Discrete Outputs: Current-sinking transistor outputs for reliable load switching
- Wide Voltage Range: Operates from 10-50V DC, adapting to diverse control architectures
- Per-Point Rating: 0.5A continuous at 30°C; 0.25A at 60°C maximum load current
- Fast Signal Response: 0.1 ms on-delay, 1 ms off-delay ensures responsive load control
- Removable Terminal Block: Tool-free wiring connections simplify installation and maintenance
- LED Status Indicators: Per-point status display for real-time output diagnostics
Technical Specifications
- Output Type: Discrete DC, current-sinking transistor
- Number of Outputs: 16 points
- Output Voltage Range: 10-50V DC
- Nominal Output Voltage: 24V DC
- Continuous Current (per point): 0.5A @ 30°C; 0.25A @ 60°C
- Continuous Current (per module): 8A @ 30°C; 4A @ 60°C
- On-State Voltage Drop: 1.2V max @ 0.5A
- Off-State Leakage: 1 mA maximum
- Signal On-Delay: 0.1 ms maximum
- Signal Off-Delay: 1 ms maximum
- Backplane Current (5V): 270 mA
- Heat Dissipation: 0.388W per point; 7.6W total
- Operating Temperature: 0 to 60°C
- Mounting: Modular slot in SLC 500 rack
- Series: Series C
Typical Applications
The 1746-OV16 excels in discrete output control for:
- Machine tool automation and sequencing
- Motor starter and drive enable/disable circuits
- Solenoid valve and actuator control
- Status lamp and indicator control
- Assembly line and material handling conveyors
- HVAC equipment signaling
- Process automation and batch control
Compatibility & Replacements
Compatible With
- SLC 500 modular processors (SLC 5/01, 5/02, 5/03, 5/04, 5/05)
- SLC 500 fixed I/O backplanes
- Allen-Bradley RSLogix 500 programming software
- Data Highway Plus (DH+) networks via processor communication
- Standard industrial 24V DC control voltage sources
Replaces / Drop-In Replacement For
- OEM legacy 1746-OV16 modules requiring same I/O density and voltage range
- Verify compatibility with your system integrator before ordering for critical applications
Works With
- RSLogix 500 PLC programming suite
- SLC 500 Modular Hardware Style User Manual (Publication 1747-UM011)
- Direct input modules (1746-IA/IB/IC/IG/IM/IN/IV/IX series) in same chassis
- Power supply modules rated 10-50V DC output
- Standard inductive load surge suppression (1N4004 diode recommended for 24V loads)
