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Home Product 6ES7331-7KB02-0AB0 Siemens S7-300 8-Channel Analog Input Module, High Accuracy, Sensor Signal Integration
SM 331 analog input modules

6ES7331-7KB02-0AB0 Siemens S7-300 8-Channel Analog Input Module, High Accuracy, Sensor Signal Integration

Siemens 6ES7331-7KB02-0AB0
SIMATIC S7-300 AI Module
S7-300 6ES7331 Module
6ES7331-7KB02-0AB0
Siemens 6ES7331-7KB02-0AB0, a SIMATIC S7-300 AI Module, processes analog input signals like current, voltage, and HART-enabled sensors. This S7-300 6ES7331 Module ensures high-precision measurement, industrial automation compatibility, and modular configuration via STEP 7 software for process control systems.
Categories:Automation
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Product Description

The Siemens 6ES7331-7KB02-0AB0 is a SIMATIC S7-300 AI Module designed for precise analog signal acquisition in industrial automation. This S7-300 6ES7331 Module features 8 differential input channels, supporting voltage (±10V), current (±20mA), resistance (RTD), and thermocouple (TC) signals with 13-bit resolution. It integrates seamlessly into S7-300 PLC systems, connecting directly to the central rack via backplane bus and supporting up to 8 modules per rack. Operating at 24V DC (±10%) with a temperature range of 0-60°C, this robust module excels in manufacturing and process industries. Its key advantages include high measurement accuracy, electrical isolation, and compatibility with multiple sensor types. Limitations include lack of hot-swap capability. Battery or display features are not applicable, as it's a DIN-rail mounted I/O module optimized for industrial signal processing and control.
ParameterSpecification
Product ModelSiemens 6ES7331-7KB02-0AB0
Module TypeSIMATIC S7-300 AI Module
Input Channels8
Input TypeVoltage/Current/Resistance/Thermocouple
Input Voltage Range±10V, 1...5V, 0...10V
Input Current Range±20mA, 0...20mA, 4...20mA
Resolution15-bit + sign
Accuracy±0.1% (Voltage), ±0.2% (Current)
Conversion Time22ms per channel
Galvanic IsolationChannels/backplane bus
Power Supply24V DC (20.4V...28.8V)
Backplane Current120mA max
Connector Type40-pin front connector
CertificationCE, UL, Ex
Operating Temperature-20°C...+60°C
Dimensions40mm x 125mm x 117mm
question:Why was the label cut off upon receiving the goods?
answer:Labels are removed to prevent unauthorized resale, ensuring compliance with regional distribution agreements.
question:Why is a service fee charged?
answer:Service fees cover transaction processing and international payment gateway costs for secure global operations.
question:How to track my order shipment?
answer:A tracking number is emailed upon dispatch; use it on our portal or carrier’s site for real-time updates.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why was the label cut off upon receiving the goods?
answer:Labels are removed to prevent unauthorized resale, ensuring compliance with regional distribution agreements.
question:Why is a service fee charged?
answer:Service fees cover transaction processing and international payment gateway costs for secure global operations.
question:How to track my order shipment?
answer:A tracking number is emailed upon dispatch; use it on our portal or carrier’s site for real-time updates.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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