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ABB SB171 3BSE004802R1 – Comprehensive Technical Overview and Product Guide
1. Basic Product Information
Product Model: ABB SB171
Part Number: 3BSE004802R1
Brand: ABB
Series: SB Sensor / Signal Conditioning & Transducer Modules
Product Type: Analog Signal Conditioner / Transducer Module
Category: Industrial Signal Processing, Measurement and Control
The ABB SB171 is an industrial signal conditioner designed for accurate conditioning, scaling, isolation, and transmission of analog measurement signals. It plays a key role in automation and process control environments by converting raw sensor outputs into standardized signals that can be reliably interpreted by control systems or monitoring equipment.
2. Product Introduction
The SB171 3BSE004802R1 is a compact analog signal conditioning module used in control cabinets and industrial automation installations. Its purpose is to take input signals from field devices such as temperature sensors, pressure transducers, or process transmitters and convert them into standardized analog outputs like 4–20 mA or 0–10 V. By providing electrical isolation, high signal integrity, and linearization, it ensures stable and accurate process feedback for controllers, recorders, data acquisition units, and operator stations.
The SB171 supports a broad range of input types and provides flexibility in output configuration. Its design emphasizes reliable performance under industrial environmental conditions, enabling continuous operation in manufacturing, utilities, and large‑scale process automation systems.
The module’s compact construction allows efficient use of cabinet space, and its mounting arrangement simplifies installation and field wiring. The SB171 also incorporates design features that minimize electrical noise, reduce ground loop effects, and ensure long‑term stability of conditioned signals.
3. Technical Specifications
Electrical, Mechanical and Operational Parameters
| Parameter | Specification |
|---|---|
| Model | SB171 |
| Part Number | 3BSE004802R1 |
| Series | SB Signal Conditioning & Transducers |
| Product Type | Analog Signal Conditioner / Transducer |
| Input Signal Types | Voltage, Current, Thermocouple, RTD |
| Output Signal Types | 4–20 mA, 0–10 V |
| Input Impedance | High (input dependent) |
| Output Load Capability | Standard industrial loads |
| Isolation | Galvanic isolation across channels |
| Accuracy | ±0.1% of full scale (typical) |
| Response Time | < 100 ms |
| Supply Voltage | 24 V DC |
| Power Consumption | < 5 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 Mount |
| Connection Type | Screw Terminal |
| Dimensions (W × H × D) | 17.5 × 100 × 110 mm |
| Weight (kg) | Approx. 0.15 kg |
4. Product Applications
The SB171 is widely deployed where analog signal conditioning, scaling, and isolation are required for accurate process measurement and control.
Typical application scenarios include:
• Conditioned temperature monitoring with thermocouples or RTDs.
• Signal scaling from pressure and level transmitters.
• Analog signal preparation for distributed control systems (DCS).
• Control loop feedback for proportional‑integral‑derivative (PID) controllers.
• Noise‑resistant signal transmission in manufacturing plants.
• Environmental monitoring systems requiring precise analog signals.
• Data acquisition conditioning for centralized monitoring.
• Industrial automation feedback loops in utilities and infrastructure.
In these applications, the SB171 ensures that sensor signals maintain stability and integrity from the field to the control system.
5. Product Advantages
High Precision Signal Conditioning
The SB171 efficiently linearizes and conditions various analog inputs, providing stable and accurate outputs suitable for industrial controllers.
Electrical Isolation
Galvanic isolation separates input, output, and supply circuits to reduce noise and ground loop problems, improving signal quality.
Multi‑Signal Flexibility
Supports a broad range of input types including voltage, current, thermocouples, and RTDs, making it flexible for different instrument types.
Industrial‑Grade Output Compatibility
Provides standardized 4–20 mA or 0–10 V outputs compatible with most control systems and data acquisition units.
Compact and Space‑Efficient Design
The DIN‑rail mountable module maintains a small footprint, maximizing cabinet space efficiency.
Low Power Requirement
Operates on low‑voltage 24 V DC industrial supply with minimal power draw.
Reliable in Industrial Environments
Designed to withstand industrial temperature and humidity conditions for continuous operation.
Simple Installation and Wiring
Screw terminal connections and compact form factor simplify wiring and field installation.
6. Recommended Models from the Same Series or Related Devices
Below are five related analog signal conditioning or transducer modules that belong to the same family or serve similar task functions.
| Model | Supported Inputs | Output Type | Supply Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SB170 | Voltage/Current | 4–20 mA | 24 V DC | 17.5×100×110 | 0.15 kg |
| SB171 | Voltage/Current/Thermocouple/RTD | 4–20 mA/0–10 V | 24 V DC | 17.5×100×110 | 0.15 kg |
| SB172 | Thermocouple | 4–20 mA | 24 V DC | 17.5×100×110 | 0.15 kg |
| SB175 | RTD only | 0–10 V | 24 V DC | 17.5×100×110 | 0.15 kg |
| SB180 | Multi‑Input | Multi‑Output | 24 V DC | 35×100×110 | 0.28 kg |
7. Five Popular Industrial Automation Models from the Same Brand
Below are five widely used industrial automation hardware units from ABB that are commonly paired with signal conditioning modules like the SB171.
| Model | Device Type | Supply Voltage | Dimensions (mm) | Weight (kg) | Application |
|---|---|---|---|---|---|
| AC800M | Modular Controller | 24 V DC | 140×180×120 | 1.2 kg | Core control CPU |
| PM856 | Processor Module | 24 V DC | 120×150×90 | 0.9 kg | Automation processor |
| CI870 | Communication Interface | 24 V DC | 120×150×90 | 0.8 kg | Fieldbus communication |
| AI820 | Analog Input Module | 24 V DC | 120×150×80 | 0.6 kg | Analog signal acquisition |
| DI820 | Digital Input Module | 24 V DC | 120×150×80 | 0.6 kg | Digital signal acquisition |
8. Frequently Asked Questions (FAQ)
Q1: What is the main purpose of the SB171?
A: It conditions, scales, and isolates raw analog sensor signals for control and monitoring systems.
Q2: What input signal types can the SB171 accept?
A: The module accepts voltage, current, thermocouple, and RTD sensor inputs.
Q3: What analog outputs does it provide?
A: It can provide standardized outputs such as 4–20 mA or 0–10 V.
Q4: What power supply voltage does it require?
A: The unit operates on a 24 V DC industrial supply.
Q5: How much does the SB171 weigh?
A: The approximate weight is 0.15 kg.
Q6: What are the physical dimensions of the SB171 module?
A: The approximate dimensions are 17.5 × 100 × 110 mm.
Q7: Where is the module typically installed?
A: It is usually installed on DIN rails inside control cabinets.
Q8: Why is galvanic isolation important in signal conditioning?
A: It prevents electrical noise and ground loop issues, improving signal reliability.
Q9: In what industries is the SB171 commonly used?
A: It is used in manufacturing, utilities, environmental monitoring, and process control systems.
Q10: Is the SB171 suitable for continuous industrial use?
A: Yes, it is designed for stable and continuous operation in industrial environments.