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Product Introduction
The ABB SS110 3BSE007698R1 Power Voting Unit is a critical hardware module designed for high-reliability control and automation systems. It plays a vital role in redundant power systems, acting as a voting unit that determines the correct power signal among multiple redundant sources and ensures fault-tolerant operations in safety-critical industrial environments.
Developed under ABB’s trusted Advant and Symphony process automation architectures, the SS110 is essential for applications requiring fail-safe decision-making in redundant or triplicated power input configurations. It ensures that only valid and consistent power signals are accepted and passed on to downstream control electronics. This mechanism significantly enhances the safety, uptime, and operational integrity of the entire control system.
Robustly engineered with durable components, the SS110 is built to operate in demanding industrial conditions and is widely deployed in sectors such as power generation, petrochemical processing, and large-scale manufacturing.
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | SS110 Power Voting Unit |
| Product Code | 3BSE007698R1 |
| Manufacturer | ABB |
| Function | Redundant power voting and fault-tolerant logic |
| System Compatibility | ABB Advant Master, Symphony, and Freelance systems |
| Redundancy Type | 1-out-of-3 or 2-out-of-3 voting |
| Power Input Channels | Up to 3 independent power sources |
| Output Type | Voted power output (DC) |
| Operating Voltage | 24 VDC nominal (18–30 VDC range) |
| Current Load | Max 4 A continuous |
| Isolation | Galvanic isolation between channels |
| Mounting | DIN-rail or backplane installation |
| Protection Class | IP20 |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Tolerance | 5% to 95% non-condensing |
| Dimensions (W x H x D) | 234 x 54 x 81 mm |
| Weight | 0.175 kg |
| Certifications | CE, RoHS, IEC 61010, SIL-ready |
Product Applications
The ABB SS110 is an integral component in automation environments that demand uninterrupted and validated power supply paths. Key application areas include:
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Power Plants and Energy Grids: Used in power voting systems to ensure stable signal delivery.
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Oil & Gas Platforms: Critical for preventing single-point failures in hazardous environments.
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Chemical Processing Facilities: Safeguards critical reactions and operations through reliable power routing.
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Railway and Metro Systems: Employed in train control systems for fail-safe power control.
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Water and Wastewater Plants: Ensures system reliability in utilities and municipal services.
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Pharmaceutical Manufacturing: Protects sensitive production lines from power inconsistencies.
Product Advantages
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High Reliability through Voting Logic: Ensures only validated power signals reach control equipment.
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Redundancy Compliance: Supports 1oo3 or 2oo3 configurations, vital for SIL-rated systems.
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Galvanic Isolation: Prevents cross-channel interference and enhances signal purity.
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Industrial Durability: Built to operate in harsh conditions with long-term performance.
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Compact Design: Saves space in dense panel arrangements.
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Universal Mounting: Flexible mounting options on DIN rails or backplanes.
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Quick Diagnostics: Built-in indicators assist in fast fault detection and maintenance.
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CE and RoHS Compliant: Meets international standards for environmental and operational safety.
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Future-Proof Integration: Fully compatible with existing ABB automation platforms.
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Reduced Downtime: Enhances uptime with fault-tolerant performance and easy module replacement.
Frequently Asked Questions (FAQ)
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What is the main function of the SS110?
It selects the correct power input among multiple redundant sources using voting logic to ensure uninterrupted system operation. -
Which redundancy modes are supported by the SS110?
It supports 1-out-of-3 (1oo3) and 2-out-of-3 (2oo3) redundancy configurations. -
Is the SS110 hot-swappable?
No, the unit must be powered down before removal or replacement to avoid disruption or damage. -
Can this module be used in safety instrumented systems (SIS)?
Yes, it is SIL-ready and often used in high-integrity safety systems. -
How many power inputs can it handle?
The unit can accept up to three independent 24 VDC power inputs. -
Is the SS110 compatible with all ABB control platforms?
It is primarily designed for Advant, Symphony, and Freelance platforms but may interface with others via custom wiring. -
What certifications does it carry?
It holds CE, RoHS, and IEC safety compliance, suitable for global deployment. -
Does it include fault diagnostics?
Yes, status indicators and internal logic support diagnostic functions. -
Can I use this in high-humidity environments?
Yes, it supports up to 95% non-condensing humidity. -
What happens if one of the power inputs fails?
The unit automatically reroutes using the voting logic to select a valid input without disrupting output.
Related Models from the Same Series or Category
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| SS120 3BSE007699R1 | Enhanced Power Voting Unit with diagnostics | 130 x 128 x 72 | 490g |
| SS130 3BSE008000R1 | Triple Redundancy Selector for Safety Systems | 132 x 130 x 75 | 510g |
| SS100 3BSE007697R1 | Basic Power Voting Unit | 125 x 124 x 70 | 450g |
| SD812 3BSE005063R1 | Power Distribution Module for SC series | 120 x 118 x 68 | 430g |
| TB850 3BSE030927R1 | Redundant ModuleBus Communication Interface | 110 x 112 x 65 | 390g |
| TU830V1 | Extended MTU with support for redundant modules | 128 x 130 x 76 | 460g |
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