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Product Model: ABB SD833
Part Number: 3BSC610066R1
Brand: ABB
Series: SD Digital Signal Conditioning & Processor Modules
Product Type: Digital Signal Conditioner / Converter Module
Category: Industrial Signal Processing and Measurement Interface
The ABB SD833 is a high‑performance digital signal conditioning and conversion module engineered to translate, scale, filter, linearize, and digitize raw analog field signals into reliable digital outputs compatible with modern automation architectures such as PLCs, DCS, and DAQ systems.
The ABB SD833 3BSC610066R1 is an advanced industrial digital signal conditioner designed to handle a wide variety of analog sensor sources including voltage signals, current loops, thermocouples, and resistance temperature detectors (RTDs). Its primary purpose is to convert these raw analog measurements into stable digital representations that can be directly read and processed by digital automation systems.
Unlike traditional analog signal conditioners, the SD833 incorporates high‑resolution analog‑to‑digital conversion, configurable digital filtering, sensor linearization, and signal scaling, all executed through embedded digital processing algorithms. This enables consistent, accurate, and noise‑resistant signal presentation to PLCs, distributed control systems (DCS), data acquisition units (DAQ), and operator interfaces.
The SD833 is built for continuous industrial operation, structured to handle electrical noise and temperature variations commonly encountered on factory floors and process plants. Its compact form factor allows DIN‑rail or rack mounting inside control cabinets, simplifying integration into existing automation systems.
This module bridges the analog‑to‑digital gap and enhances the integrity of process measurement signals in complex automation hierarchies.
| Parameter | Specification |
|---|---|
| Model | SD833 |
| Part Number | 3BSC610066R1 |
| Series | SD Digital Signal Conditioning & Processor |
| Product Type | Digital Signal Conditioner / Converter |
| Supported Input Types | Voltage, Current, Thermocouple, RTD |
| Output Format | Digitally conditioned outputs for PLC/DCS/DAQ |
| A/D Conversion | High‑resolution digital conversion |
| Input Impedance | High; dependent on configuration |
| Output Interface | Digital signals compatible with automation hardware |
| Galvanic Isolation | Full isolation between input and output |
| Accuracy | ±0.1 % of full scale (typical) |
| Response Time | < 100 ms |
| Supply Voltage | 24 V DC |
| Power Consumption | < 8 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. 0.50 kg |
The SD833 module is used wherever high‑precision analog signals from field sensors must be integrated into digital automation systems. It is suitable for sectors such as manufacturing, utilities, process plants, environmental monitoring, and critical infrastructure automation.
Typical Application Scenarios Include:
• Digital signal conditioning for temperature loops using thermocouples and RTDs.
• Processing analog outputs from pressure, level, and flow transmitters for controllers.
• Front‑end signal conditioning for distributed control systems (DCS) and PLC analog inputs.
• High‑accuracy data acquisition in industrial environments.
• Noise‑reduction and signal stabilization in electrically noisy plant environments.
• Machine automation requiring accurate digital feedback loops.
• Environmental monitoring systems requiring stable measurement data.
• Utility and infrastructure applications where precise digital output is critical.
By converting analog field data into stable digital signals, the SD833 enhances system accuracy and reliability across a wide range of industrial applications.
SD833 applies advanced A/D conversion and digital filtering to produce stable and precise conditioned signals, increasing measurement reliability.
Supports multiple input types including voltage, current loops, thermocouples, and RTDs, providing flexibility for diverse measurement applications.
Input and output circuits are fully isolated, reducing electrical noise and eliminating ground loop issues that can degrade signal quality.
Outputs digitally processed signals compatible with standard PLC, DCS, and DAQ interfaces, improving integration efficiency.
Internal digital processing features, such as programmable filters and response timing, can be tailored to specific process requirements.
Designed for continuous operation in a wide range of industrial conditions with broad temperature and humidity tolerances.
DIN‑rail or rack installation allows flexible layout in control cabinets and automation panels.
Clear terminal design and structured connections facilitate efficient wiring and maintenance.
Below are five models from the SD series or closely related families that fulfill similar roles in signal conditioning and processing:
| 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 |
| SD821 | Voltage/Current/Thermocouple/RTD | Digital conditioned output | 24 V DC | 45×120×110 | 0.45 kg |
| SD833 | Voltage/Current/Thermocouple/RTD | Digital conditioned output | 24 V DC | 45×120×110 | 0.50 kg |
Below are five widely used industrial automation modules that frequently interface with SD series signal conditioners in broader control and monitoring architectures:
| 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 logic processor |
| CI870 | Communication Interface | 24 V DC | 120×150×90 | 0.8 kg | Fieldbus / network interface |
| AI820 | Analog Input Module | 24 V DC | 120×150×80 | 0.6 kg | Multi‑channel analog data |
| DI820 | Digital Input Module | 24 V DC | 120×150×80 | 0.6 kg | Digital signal acquisition |
Q1: What is the primary purpose of the SD833?
A: The SD833 is designed to condition, filter, scale, and digitize analog sensor signals for reliable use in digital automation systems.
Q2: What types of analog inputs does SD833 support?
A: It supports voltage, current loops, thermocouples, and RTD signals.
Q3: What types of output does this module provide?
A: It provides digitally conditioned signals that are compatible with PLCs, distributed control systems, and data acquisition units.
Q4: What power supply does the SD833 require?
A: The module operates on a standard 24 V DC industrial supply.
Q5: How much does the SD833 weigh?
A: The unit weighs approximately 0.50 kg.
Q6: What are the physical dimensions of the SD833?
A: The approximate dimensions are 45 × 120 × 110 mm.
Q7: Where is this product typically installed?
A: It is usually mounted on DIN rails or installed within automation racks in control cabinets.
Q8: Why is galvanic isolation important in signal conditioning?
A: Galvanic isolation reduces electrical noise influence and prevents ground loop interference, improving signal integrity.
Q9: In what industries is the SD833 commonly used?
A: It is used in manufacturing, utilities, process automation, chemical processing, and power systems.
Q10: Can the SD833 operate continuously under industrial conditions?
A: Yes, it is engineered for stable, long‑term operation under typical industrial environments.