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Home Product 6ES7331-7HF01-0AB0 Analog Input Module Siemens S7-300 PLC 8-Channel 14-Bit Process Control
SM 331 analog input modules

6ES7331-7HF01-0AB0 Analog Input Module Siemens S7-300 PLC 8-Channel 14-Bit Process Control

Siemens S7-300 AI Module
8-Channel Voltage Current Input
6ES7331-7HF01-0AB0 Module
6ES7331-7HF01-0AB0
Siemens S7-300 AI Module 6ES7331-7HF01-0AB0, 8-Channel Voltage/Current Input Module for precise analog signal processing in automation systems. Compact design, high accuracy.
Categories:Automation
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Product Description

The Siemens S7-300 AI Module, 6ES7331-7HF01-0AB0, is an 8-channel analog input module designed for precise voltage and current signal acquisition. It supports direct connection to sensors or transmitters, accommodating inputs ranging from ±10V DC for voltage and 0-20mA/4-20mA for current. The module integrates seamlessly into Siemens S7-300 PLC systems via a 20-pin front connector and operates within a 24V DC supply range, tolerating -10% to +15% voltage fluctuations. With a robust temperature operating range of 0°C to 60°C, it excels in harsh industrial environments such as manufacturing automation and process control. Its high-resolution 16-bit ADC ensures measurement accuracy, while diagnostics via the integrated front LED panel enhances maintenance efficiency. Key advantages include high noise immunity, flexible configuration via STEP 7 software, and modular scalability. However, it lacks intrinsic isolation between channels, requiring external isolation for noise-sensitive applications. The module is not battery-powered, has no display, and focuses on electrical signal processing rather than proximity detection.
Parameter Specification
Module Type Siemens S7-300 AI Module
Product Model 6ES7331-7HF01-0AB0
Input Channels 8-Channel Voltage/Current Input
Signal Type Voltage (0-10V, ±10V), Current (0-20mA, 4-20mA)
Resolution 16-bit (including sign)
Common Mode Rejection ≥85 dB at 50/60 Hz
Isolation Channel-to-channel and channel-to-backplane isolation
Maximum Input Voltage 30V (continuous), 75V (1 second)
Power Consumption 0.8W (from backplane)
Operating Temperature -20°C to +60°C
Dimensions (WxHxD) 40 mm x 125 mm x 120 mm
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other major shipping methods for reliable global delivery.
question:Why should we choose your company?
answer:As Asia's leading industrial automation supplier with 20+ years, we guarantee quality and boast 85% repeat clients.
question:How do you ensure product quality?
answer:We implement strict quality control protocols and source components from certified manufacturers.
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:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other major shipping methods for reliable global delivery.
question:Why should we choose your company?
answer:As Asia's leading industrial automation supplier with 20+ years, we guarantee quality and boast 85% repeat clients.
question:How do you ensure product quality?
answer:We implement strict quality control protocols and source components from certified manufacturers.
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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