Product Overview
The Allen-Bradley 1756-OV16E is an electronically fused sinking output module designed for the ControlLogix platform. It delivers 16 points of reliable DC output, protecting your system with built-in electronic fusing. This module handles demanding industrial loads while maintaining precise control and diagnostic feedback.
Key Features and Benefits
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16-Point Electronically Fused Outputs: Each point provides independent protection against overcurrent conditions, reducing downtime and protecting downstream equipment.
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Wide Operating Voltage Range: Supports 10-30 VDC, accommodating various control voltages with a nominal rating of 12-24 VDC sinking.
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High Current Capacity: Each output delivers up to 1 Amp at 60°C, with a total module capacity of 8 Amps, suitable for driving solenoids, contactors, and indicator lamps.
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Fast Signal Response: Nominal OFF-to-ON delay of 75 µs and ON-to-OFF delay of 360 µs ensures responsive control.
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Robust Protection: Insulation voltage of 250V with routine testing at 1350V AC for 2 seconds between outputs and backplane, ensuring electrical safety.
Technical Specifications
| Specification |
Value |
| Series |
ControlLogix |
| Module Type |
Electronically Fused Sinking Output Module |
| Outputs |
16-Point Electronically Fused |
| Voltage |
12-24 Volts DC Sink |
| Operating Voltage Range |
10-30 Volts DC |
| Maximum Output Current Rating - Point |
1 Amp at 60°C |
| Maximum Output Current Rating - Module |
8 Amps at 60°C |
| Power Dissipation (Max) |
6.72 Watts at 60°C |
| Backplane Current at 5 Volts |
210 milliamps |
| Removable Terminal Block(s) |
1756-TBNH, 1756-TBSH |
| Isolation Voltage |
50 Volts Continuous |
| Enclosure |
None |
Applications
The 1756-OV16E excels in material handling, packaging, and automotive assembly lines. Its sinking outputs drive DC solenoids and pilot lights, while the electronic fusing minimizes downtime caused by short circuits. The module also suits process control systems where reliable discrete output switching is essential.
Installation & Setup
Install the 1756-OV16E into any ControlLogix chassis slot. Use the removable terminal blocks (1756-TBNH or 1756-TBSH) for wiring. Ensure DC power is within the 10-30 VDC range and observe polarity. The module supports hot-swapping, allowing replacement without powering down the system.
Maintenance & Reliability
With no moving parts and electronic fusing, the 1756-OV16E requires minimal maintenance. Periodically check terminal connections for tightness and inspect the module for dust accumulation. Its robust design operates reliably in temperatures from 0-60°C and humidity levels of 5-95% non-condensing.
Compatibility & Integration
This module integrates seamlessly with ControlLogix controllers and any 1756-series chassis. It communicates via the backplane, requiring no additional network configuration. The 1756-OV16E works with standard ControlLogix I/O configuration tools, simplifying setup.
Selection Guide & Purchasing Advice
Before ordering, verify your system's backplane current capacity and available slot. Confirm that your DC loads match the module's sinking configuration. For guaranteed genuine parts and expert support, choose PLC Source PRO as your supplier.