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Home Product 6ES7331-7KF02-0AB0 Siemens S7-300 Analog Input Module 8-Channel High-Resolution Signal Conditioning PLC
SM 331 analog input modules

6ES7331-7KF02-0AB0 Siemens S7-300 Analog Input Module 8-Channel High-Resolution Signal Conditioning PLC

Siemens 6ES7331-7KF02-0AB0
S7-300 Analog Input Module
8-Channel AI Module
6ES7331-7KF02-0AB0
Siemens 6ES7331-7KF02-0AB0 S7-300 Analog Input Module provides 8-Channel AI processing with 15-bit resolution for voltage, current, thermocouple, and RTD signals. Features ±0.05% accuracy, galvanic isolation, and configurable measurement ranges. Suitable for industrial automation and process control applications requiring high-precision analog signal acquisition.
Categories:Automation
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Product Description

The Siemens 6ES7331-7KF02-0AB0 is an S7-300 Analog Input Module designed for precise industrial signal processing. This 8-Channel AI Module accepts voltage, current, thermocouples, RTDs, and resistance inputs with 15-bit resolution. It connects directly to S7-300 PLC racks and communicates via PROFIBUS DP. Operating at 24V DC (20.4-28.8V range) within 0-60°C, it suits harsh environments in manufacturing, energy, and process industries. Key advantages include high accuracy, modular scalability, and galvanic isolation. Limitations include no built-in signal conditioning for exotic sensors. The compact design enables space-efficient integration, while diagnostic LEDs simplify troubleshooting in automation systems requiring multi-sensor monitoring.
Parameter Specification
Product Type Siemens 6ES7331-7KF02-0AB0
Module Category S7-300 Analog Input Module
Channels 8-Channel AI Module
Input Type Voltage/Current/Resistance/Thermocouple
Resolution 15-bit + sign bit
Voltage Range ±10V, ±5V, ±2.5V
Current Range 0-20mA, 4-20mA
Conversion Time 20ms per channel (all channels)
Accuracy ±0.6% of full scale
Electrical Isolation 500V AC
Load Impedance ≥ 100 kΩ (voltage measurement)
Power Consumption 1.6W (from backplane bus)
question:Why can't you supply discontinued models that others can provide?
answer:We source directly from manufacturers and prioritize current models. Others may use obsolete stock or unauthorized channels.
question:Do you accept payment after delivery?
answer:Payment terms depend on order history and credit evaluation. New clients typically require advance payment or LC terms.
question:Can your company provide technical selection services?
answer:Yes, our engineers offer free technical consultation and product matching based on your application requirements.
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 can't you supply discontinued models that others can provide?
answer:We source directly from manufacturers and prioritize current models. Others may use obsolete stock or unauthorized channels.
question:Do you accept payment after delivery?
answer:Payment terms depend on order history and credit evaluation. New clients typically require advance payment or LC terms.
question:Can your company provide technical selection services?
answer:Yes, our engineers offer free technical consultation and product matching based on your application requirements.
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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