Description
Product Overview
The 6ES7331-7PF01-0AB0 Analog Input SM 331 module is designed for use in SIMATIC S7-300 automation systems. It delivers high-performance measurement capabilities with 8 isolated analog inputs supporting multiple wiring methods (2/3/4-wire).
This module is compatible with a wide range of sensors such as Pt100, Ni100, Cu10, and resistors, making it versatile for industrial applications. Its high-resolution signal processing (internal 24-bit) guarantees precise measurements, while the conversion time of 50 ms supports efficient data handling. In addition, the module’s compliance with GOST standards enhances its reliability for demanding environments.
The compact 40-pole connection design ensures seamless integration into existing automation setups, providing a robust and flexible solution for analog signal acquisition.
Key Features
Official Product Name: 6ES7331-7PF01-0AB0
Analog input module for SIMATIC S7-300
8 isolated analog input channels
Supports 2/3/4-wire connections
Compatible with resistors, Pt100/200/1000, Ni100/120/200/500/1000, Cu10
Measurement characteristics compliant with GOST standards
High resolution: up to 24-bit internal
Conversion time: 50 ms
1×40-pole connector for secure integration
Warranty & After-Sales
12-month warranty from delivery date
Professional after-sales support, including installation guidance and troubleshooting
Fast replacement services for defective modules
Delivery Time
Standard delivery time: 3–5 business days
Expedited shipping available on request
Why Choose KaiRock
Trusted sourcing of 100% original Siemens components
Competitive pricing for traders, integrators, and maintenance companies
Global supply capability with timely delivery
Expert customer support before and after purchase
Applications
SIMATIC S7-300 automation systems
High-precision temperature and resistance measurement
Manufacturing process monitoring and control
Industrial automation requiring isolated analog input acquisition





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