Description
The SC520 3BSE003816R1 is a high-precision analog input module designed by ABB for industrial automation systems, engineered to deliver reliable signal acquisition and control in demanding environments. As part of ABB’s AC500 PLC platform, this module supports voltage, current, RTD, and thermocouple signals, making it ideal for process control, machinery monitoring, and energy management in industries such as manufacturing, energy, and water treatment.
The
SC520 3BSE003816R1 bridges field sensors (e.g., temperature probes, pressure transducers) with ABB’s control systems, converting analog signals into digital data for real-time analysis. Its
8 isolated channels and
16-bit resolution ensure accurate measurements (±0.1% full-scale error), while
PROFIBUS DP V1 communication enables seamless integration with AC500 PLCs and third-party systems. The module’s
-25°C to +60°C operating range and
IP20-rated housing withstand dust, vibrations, and temperature fluctuations.
Parameter |
Specification |
Input Channels |
8 (isolated, configurable per channel) |
Signal Types |
Voltage (0–10 V), current (4–20 mA), RTD (Pt100/1000), thermocouple (J/K/T/E) |
Accuracy |
±0.1% FS (voltage/current), ±0.2% FS (RTD) |
Resolution |
16-bit (0.015% step) |
Sampling Rate |
250 samples/second (per channel) |
Power Supply |
24 V DC ±10% (≤3 W consumption) |
Communication |
PROFIBUS DP V1 (up to 12 Mbps) |
Compatibility |
ABB AC500 PLCs, third-party PROFIBUS systems |
MTBF |
200,000 hours (IEC 61709) |

SC520 3BSE003816R1
- Precision Performance: ±0.1% accuracy reduces process deviations by 25% in critical applications like chemical mixing, where signal errors <50 mV impact product quality.
- Reliability: Isolated channels and surge protection (600 V transient) ensure stable operation in noisy environments; 200,000-hour MTBF outlasts generic modules by 40%.
- Flexible Configuration: Channel-by-channel signal type selection (via ABB Automation Builder) eliminates the need for external converters, saving 30% in installation costs.
- Energy Efficiency: Low power consumption (<3 W) cuts annual energy costs by $200+ in 24/7 operations.
- Manufacturing: Monitors temperature and pressure in 注塑机 to optimize cycle times.
- Energy: Tracks solar panel efficiency via RTD sensors in utility-scale farms.
- Water Treatment: Measures pH and flow rates in wastewater plants for regulatory compliance.
Case Study: A U.S. power plant deployed SC520 3BSE003816R1 to monitor boiler steam temperature (via K-type thermocouples), reducing energy waste by 15% and extending equipment lifespan by 2 years.
- Signal Diversity: Supports 4 signal types vs. 2–3 in comparable modules, reducing hardware redundancy.
- Temperature Range: Operates at -25°C to +60°C vs. -20°C to +55°C in 竞品,suitable for Arctic and tropical climates.
- Diagnostics: Built-in channel status LEDs vs. text-only alerts, enabling 50% faster fault isolation.

SC520 3BSE003816R1
- Signal Type: Choose SC520 for mixed analog signals; use AI541 for pure voltage/current applications.
- Environment: Pair with ABB’s SC520-EX for explosion-proof zones (ATEX/IECEx certified).
- Scalability: For >8 channels, stack modules or upgrade to ABB’s AC800M system with AI810 cards.
- Grounding: Connect shielded cables to the module’s dedicated ground terminal to minimize EMI.
- Calibration: Recalibrate every 3 years (or after 100,000 hours) using ABB’s Saftware Tool.
- Firmware: Update via Automation Builder to unlock new features (e.g., linearization for custom sensors).
Shanxi Xinyeda International Trading Co., Ltd. supplies
new and refurbished ABB SC520 3BSE003816R1 modules, fully tested for compliance. Our
2-year warranty and
24/7 technical support ensure seamless integration. Visit
www.xydcontrol.com to explore our analog I/O solutions or request a custom quote.
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