1746-OB16E Allen‑Bradley Output module

Description

1746-OB16E Allen‑Bradley Output module

Product Dimensions：

Product Description

The 1746-OB16E is a 16-point DC output module from the Allen-Bradley SLC 500 series. It is designed to provide high-speed, solid-state switching for industrial control systems. This module converts logic-level signals from a PLC into discrete DC outputs to control field devices such as relays, solenoids, indicator lamps, and motor starters. The “E” designation indicates that it is an enhanced version offering improved diagnostic capabilities and higher performance compared to standard output modules.

Product Specifications

Product Advantages

• Enhanced Diagnostics: Provides advanced fault detection such as output wire-off, overcurrent, and short-circuit conditions, which improves system uptime and maintenance efficiency.
• High Switching Speed: Solid-state outputs allow for faster switching than mechanical relays, making it ideal for high-speed applications.
• Modular Design: Easily integrates into SLC 500 racks, supporting flexible system expansion.
• LED Status Indicators: Each output point has a corresponding LED for quick visual diagnostics.
• Removable Terminal Blocks: Simplify wiring changes and maintenance without disconnecting field wiring.
• Optical Isolation: Protects the PLC backplane from voltage spikes and noise in the field wiring.

Precautions

• Voltage Compatibility: Ensure that the field devices are compatible with 24V DC and do not exceed the current rating of 0.5A per point or 8A per module.
• Heat Dissipation: Solid-state modules generate heat under continuous load. Ensure proper ventilation and avoid mounting in high-temperature environments.
• Wiring Protection: Use appropriate fusing and protection devices to prevent damage from short circuits or overloads.
• Grounding: Proper grounding is essential to avoid noise interference and ensure reliable operation.
• Compatibility Check: Verify that the SLC 500 processor and firmware version support enhanced diagnostics when using this module.
• Avoid Inductive Loads Without Suppression: When driving inductive loads (e.g., relays, solenoids), use suppression diodes or RC snubbers to protect the outputs from voltage spikes.

Product Applications

The 1746-OB16E is widely used across various industries for controlling discrete DC loads. Typical applications include:

• Manufacturing Automation: Controls actuators, pneumatic valves, and stack lights in assembly lines.
• Material Handling: Drives conveyor motors, solenoid locks, and diverters in sorting and distribution systems.
• Packaging Machinery: Operates glue applicators, labelers, and reject mechanisms.
• Process Control: Manages pumps, solenoid valves, and alarms in batch processing and mixing systems.
• HVAC Systems: Controls dampers, actuators, and status lights in building automation.
• Water/Wastewater Treatment: Activates valves, mixers, and chemical dosing systems.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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