Description
Allen-Bradley 5094-OB16S 16-Point Safety Digital Output Module
Product Dimensions:
The Allen-Bradley 5094-OB16S is a high-performance Digital Sourcing Output Module from the FLEX 5000 I/O family. It is specifically designed for safety-related applications, providing 16 channels of functional safety digital outputs.
1. Product Overview
The 5094-OB16S is a Safety Digital Output Module that provides 16 sourcing outputs. It is used within the Logix 5000 controller environment (via Studio 5000 Logix Designer) to control actuators, motor starters, and indicators in systems requiring high integrity levels.
2. Technical Specifications
| Parameter | Specification |
| Series | FLEX 5000 I/O |
| Output Type | Digital Sourcing (Safety) |
| Number of Outputs | 16 Channels |
| Voltage Category | 24V DC (Nominal) |
| Operating Voltage Range | 18–32V DC |
| Output Current Rating | 0.5 A per channel (Max 8 A per module) |
| Safety Integrity Level | SIL 3, PLe, Cat. 4 |
| Module Keying | Electronic & Mechanical |
| Backplane Power (BP) | 100 mA @ 15V DC |
| Terminal Base (TBP) | 5094-TB3, 5094-TB3S |
3. Product Advantages
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High-Density Safety: Offers 16 safety-rated points in a compact footprint, reducing cabinet space requirements.
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Integrated Safety: Communicates via CIP Safety over EtherNet/IP, allowing safety and standard data to coexist on the same network.
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Rapid Response: Designed for high-speed performance with extremely low propagation delays, crucial for emergency stop circuits.
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Advanced Diagnostics: Features per-point diagnostics to detect short circuits, open wires, and over-temperature conditions, significantly reducing troubleshooting time.
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Versatile Mounting: Supports both horizontal and vertical mounting without derating in most environments.
4. Key Considerations & Precautions
Important: This is a safety-critical component. Installation must be performed by qualified personnel following local and international safety standards.
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Terminal Base Requirement: You must use a compatible FLEX 5000 Terminal Base (TBP) such as the 5094-TB3 or 5094-TB3S.
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Power Supply: Ensure the field-side power supply is a PELV/SELV rated supply to maintain the safety integrity of the system.
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Surge Protection: When switching inductive loads (like solenoids or relays), external surge suppression is highly recommended to protect the module’s internal circuitry.
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Firmware Compatibility: Ensure your Studio 5000 software and Controller firmware versions support the 5094-OB16S hardware revision.
5. Product Applications
The 5094-OB16S is ideal for industries such as Automotive, Food & Beverage, and Oil & Gas. Common applications include:
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Emergency Stop (E-Stop) Circuits: Safely de-energizing machinery in hazardous situations.
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Light Curtain Integration: Controlling the stop-motion of a robot or press when a safety perimeter is breached.
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Safety Gate Interlocks: Ensuring power is cut to dangerous equipment when a physical guard is opened.
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Burner Management Systems (BMS): Safe control of fuel valves and ignition systems.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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