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- 45 × 120 × 110 mm
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- 3BSC610023R0001
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ABB SD812 3BSC610023R0001 – Comprehensive Technical Overview and Product Specification Guide
1. Basic Product Information
Product Model: ABB SD812
Part Number: 3BSC610023R0001
Brand: ABB
Series: SD Digital Signal Conditioning & Processor Modules
Product Type: Digital Signal Converter / Signal Processor
Category: Industrial Signal Processing and Measurement Interface
The ABB SD812 is a high‑precision digital signal conditioning and processing module designed for industrial automation and process measurement environments where reliable conversion, filtering, linearization, and transmission of sensor signals are required.
2. Product Introduction
The ABB SD812 3BSC610023R0001 is an industrial digital signal conditioning module developed to interface raw field instrumentation with digital control systems. It accepts analog inputs from various sensors and signal sources—such as voltage, current loops, resistance elements, thermocouples, and resistance temperature detectors (RTDs)—and processes these signals through digital conversion, scaling, filtering, and isolation. The conditioned output is then formatted for use by automation controllers, distributed control systems (DCS), programmable logic controllers (PLCs), data acquisition units, and operator interfaces.
This module enhances analog measurement accuracy by reducing electrical noise, eliminating ground loop effects, implementing precision linearization for non‑linear sensors, and ensuring signal stability over a wide range of operating conditions. The SD812 is typically installed in control cabinets or automation racks using standard DIN‑rail or rack‑mount hardware. Its robust construction is designed for continuous operation in industrial environments.
As part of the SD series, the SD812 represents an advanced level of signal conditioning that bridges traditional analog sensor signals with modern digital processing, enabling more reliable and accurate input data to be used by digital automation systems.
3. Technical Specifications
Electrical, Mechanical and Operational Parameters
| Parameter | Specification |
|---|---|
| Model | SD812 |
| Part Number | 3BSC610023R0001 |
| Series | SD Digital Signal Conditioning & Processor |
| Product Type | Digital Signal Conditioner / Converter |
| Supported Input Types | Voltage, Current, Thermocouple, RTD |
| Output Signal Types | Digitally conditioned outputs for controllers |
| Input Impedance | High, dependent on input configuration |
| Output Format | Standard digital interfacing for DCS/PLC |
| Isolation | Full galvanic isolation between input and output |
| Accuracy | ±0.1 % Full Scale (typical) |
| Response Time | Programmable / < 100 ms nominal |
| A/D Conversion | High‑resolution digital conversion |
| Supply Voltage | 24 V DC |
| Power Consumption | < 6 W |
| Operating Temperature Range | –10 °C to +55 °C |
| Storage Temperature Range | –20 °C to +70 °C |
| Relative Humidity | 5 % to 95 % non‑condensing |
| Protection Rating | IP20 |
| Mounting Type | DIN‑Rail or Rack Mount |
| Connection Method | Screw / Plug‑in Terminals |
| Dimensions (W × H × D) | 45 × 120 × 110 mm |
| Weight (kg) | Approx. 0.42 kg |
4. Product Applications
The SD812 is designed for environments where analog sensor signals must be precisely converted, filtered, and digitized before they can be used by modern automation systems.
Common Application Scenarios
• Conversion of analog sensor data for distributed control systems (DCS).
• Digital conditioning for PLC input channels requiring high resolution.
• Temperature loop conditioning using thermocouples and RTDs with digital filtering.
• Industrial process loops requiring precise feedback to digital controllers.
• Analog preprocessing for data acquisition and historian systems.
• Reduction of electrical noise in analog loops before digitization.
• Machine automation requiring accurate digitized analog feedback.
• Utility and infrastructure monitoring requiring digital signal clarity.
The SD812 enables reliable integration of analog measurement sources into digital architectures by providing stable conditioned signals that improve overall system performance and reduce signal errors.
5. Product Advantages
High‑Accuracy Digital Conditioning
The SD812 applies precise digital conversion, scaling, and linearization to raw analog inputs, reducing measurement error.
Digital Output Compatibility
Designed to interface directly with modern control systems and digital automation architectures.
Galvanic Isolation for Stability
Full input‑output isolation prevents electrical interference, enhances signal clarity, and eliminates ground loops.
Flexible Input Handling
Supports multiple sensor types including voltage sources, current loops, thermocouples, and RTDs.
Programmable Response Characteristics
Response time and digital filtering can be tailored to specific application requirements.
Industrial‑Grade Construction
Engineered for stable performance in industrial environments with wide temperature and humidity tolerance.
Compact Mounting Format
The DIN‑rail or rack mount design allows flexible installation in control equipment cabinets.
Reduced Maintenance Needs
Solid‑state digital components and isolation reduce maintenance and improve long‑term stability.
6. Recommended Models from the Same Series or Related Devices
Below are five other signal conditioning or related digital interface modules that serve similar functions or belong to the same SD/SB/SC families.
| Model | Supported Inputs | Output Type | Supply Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SD800 | Analog sensor inputs | Digital conditioned output | 24 V DC | 45×120×110 | 0.40 kg |
| SD810 | Voltage/Current | Digital output | 24 V DC | 45×120×110 | 0.41 kg |
| SD812 | Voltage/Current/Thermocouple/RTD | Digital conditioned output | 24 V DC | 45×120×110 | 0.42 kg |
| SC520 | Voltage/Current/Thermocouple/RTD | Analog outputs | 24 V DC | 35×100×110 | 0.26 kg |
| SC610 | Voltage/Current/Thermocouple/RTD | Analog outputs | 24 V DC | 35×100×110 | 0.32 kg |
7. Five Popular Industrial Automation Models from the Same Brand
Below are five widely used automation hardware modules that integrate with the SD series in modern control systems.
| Model | Device Type | Supply Voltage | Dimensions (mm) | Weight (kg) | Application |
|---|---|---|---|---|---|
| AC800M | Modular Controller | 24 V DC | 140×180×120 | 1.2 kg | Core automation CPU |
| PM856 | Processor Module | 24 V DC | 120×150×90 | 0.9 kg | Control processor |
| CI870 | Communication Module | 24 V DC | 120×150×90 | 0.8 kg | Fieldbus interface |
| AI820 | Analog Input Module | 24 V DC | 120×150×80 | 0.6 kg | Analog measurement acquisition |
| DI820 | Digital Input Module | 24 V DC | 120×150×80 | 0.6 kg | Digital signal interface |
8. Frequently Asked Questions (FAQ)
Q1: What is the primary purpose of the SD812?
A: The SD812 conditions, scales, filters, and digitizes analog measurement signals so they can be used reliably by digital automation systems.
Q2: What types of analog inputs does the SD812 support?
A: It supports voltage, current, thermocouple, and RTD analog inputs.
Q3: What sort of output does the module deliver?
A: The SD812 provides digitally conditioned outputs suitable for controllers such as PLC or DCS input modules.
Q4: What power supply is required?
A: The module operates on a standard 24 V DC industrial supply.
Q5: How much does the SD812 weigh?
A: The approximate weight is 0.42 kg.
Q6: What are the physical dimensions of the SD812?
A: Approximately 45 × 120 × 110 mm.
Q7: What mounting options are available for this module?
A: It can be installed on a DIN‑rail or in a modular rack setup.
Q8: Why is galvanic isolation important in this module?
A: Galvanic isolation improves signal integrity by reducing noise and eliminating ground loops between input and output devices.
Q9: In which industries is the SD812 commonly used?
A: It is used in manufacturing, chemical processing, power systems, utilities, and large‑scale automation environments.
Q10: Can it handle thermocouples and RTDs reliably?
A: Yes, the SD812 processes signals from thermocouples and RTDs with precision thanks to digital conversion and conditioning.