Excellent PLC
| Company Information | ||||||||
| sales@xmjzjsgs.com | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The ABB SS822 3BSC610042R1 Power Voting Unit is a critical component within ABB’s Advant Master and Symphony Plus distributed control systems. Designed for high-integrity process automation environments, the SS822 enables secure and reliable signal evaluation through its voting logic system. This module plays a key role in fault-tolerant architectures, ensuring that only validated and agreed-upon signals are forwarded for critical process decisions.
The SS822 is typically used in applications requiring high availability and safety integrity levels, such as in oil & gas, power generation, and chemical industries. This voting unit is engineered with redundancy and diagnostics in mind, enhancing the overall robustness and reliability of the control system.
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Power Voting Unit |
| Model Number | SS822 |
| Part Number | 3BSC610042R1 |
| Manufacturer | ABB |
| System Compatibility | Advant Master, Symphony Plus |
| Function | 1oo2, 2oo3 Voting Logic for Redundant Signals |
| Power Supply | 24 V DC |
| Typical Power Consumption | < 5 W |
| Input Channels | 2 or 3 digital/analog signals |
| Output Type | Voted signal output (digital or analog) |
| Redundancy Support | Yes (supports high-availability systems) |
| Mounting Type | DIN rail or system rack |
| Diagnostic Function | Integrated diagnostic and fault reporting |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5–95% non-condensing |
| Certifications | CE, RoHS, SIL3 (with system integration) |
| Dimensions (W x H x D) | 50 x 80 x 22 mm |
| Weight | 0.2 kg |
Applications
The ABB SS822 Power Voting Unit is designed for mission-critical industrial automation systems, particularly where signal reliability and safety are paramount. Typical application areas include:
-
Power Generation Plants – For turbine control systems, ensuring validated signals are used in trip logics.
-
Oil and Gas Industry – Used in emergency shutdown systems (ESD) and wellhead control.
-
Chemical Processing Units – Ensures safe operation by voting on multiple redundant inputs.
-
Nuclear Facilities – Applied in safety instrumented systems (SIS) for critical trip functions.
-
Water Treatment Plants – For safety-critical pump and valve control logic.
-
Pharmaceutical Manufacturing – Enables compliance with regulatory safety logic through input validation.
Advantages
-
Enhanced Safety: Implements voting logic (1oo2, 2oo3) to validate signals before execution, reducing false positives or failures.
-
System Redundancy: Supports redundant architecture for high system availability.
-
Diagnostic Capabilities: Integrated self-monitoring and fault indication features ensure proactive maintenance.
-
High Compatibility: Seamless integration with ABB Symphony Plus and Advant systems.
-
Compact Design: Space-saving form factor with DIN rail or rack mounting.
-
Environmental Tolerance: Operates reliably in harsh industrial conditions with wide temperature and humidity support.
-
Certifications: Designed to meet stringent industrial safety standards (SIL3, CE, RoHS).
Frequently Asked Questions (FAQ)
-
What is the function of the ABB SS822 Power Voting Unit?
It evaluates redundant signals using voting logic (e.g., 2oo3) to ensure only validated inputs are used in process control. -
Which systems is the SS822 compatible with?
It is fully compatible with ABB’s Advant Master and Symphony Plus systems. -
What types of signals does it support?
The SS822 supports both analog and digital input signals for voting. -
Does the SS822 support redundant configurations?
Yes, it is designed to work in high-availability systems with redundant signal inputs. -
Is the SS822 suitable for safety-critical applications?
Yes, it is SIL3-capable when integrated properly in a certified safety system. -
What mounting options are available?
It can be mounted on a DIN rail or inside system-specific module racks. -
What is the diagnostic feature of this module?
It includes fault detection and reporting for input discrepancies or internal faults. -
Can this module operate in extreme environments?
Yes, it is designed for industrial use and supports a wide temperature range from -25°C to +70°C. -
How is the power supplied to the SS822?
It operates on a 24V DC power supply. -
Is the SS822 easy to maintain?
Yes, it has built-in diagnostics and status indicators for quick troubleshooting and maintenance.
Related Models from the Same Series
| Model | Description | Compatibility | Power |
|---|---|---|---|
| SS820 | Power Supply Unit | Advant Master, Symphony Plus | 24V DC |
| SS823 | Input Signal Conditioner | Symphony Plus | 24V DC |
| SS824 | Redundancy Switching Unit | Advant Master | 24V DC |
| SS825 | Digital Signal Filter | Symphony Plus | 24V DC |
| SS826 | Analog Voting Unit | Advant & Symphony Systems | 24V DC |
| SS821 | Field Signal Isolation Unit | Universal ABB DCS Systems | 24V DC |
Popular ABB Models
| Model | Description | Application | Dimensions | Weight |
|---|---|---|---|---|
| CI854AK01 | PROFIBUS DP Communication Interface | Industrial Communication | 100 x 120 x 150 mm | 0.5 kg |
| PM864AK01 | AC 800M Controller | Process Automation | 150 x 200 x 100 mm | 0.8 kg |
| AI810 | Analog Input Module | Data Acquisition | 140 x 120 x 70 mm | 0.3 kg |
| DO810 | Digital Output Module | Control Systems | 140 x 120 x 70 mm | 0.35 kg |
| TU810V1 | Terminal Unit for I/O Modules | System Wiring | 150 x 60 x 90 mm | 0.2 kg |
| CI860 | Communication Interface Module | Fieldbus Integration | 130 x 100 x 120 mm | 0.45 kg |
