Description
The Siemens SIMATIC S7-300 Analog Input Module SM 331 (6ES7331-1KF02-0AB0) is a high-performance analog input module designed for the SIMATIC S7-300 programmable logic controller system. This 8-channel module provides precise measurement of various analog signals including voltage, current, resistance thermometers (RTDs), and thermocouples. With 13-bit resolution and configurable measuring ranges, it offers exceptional accuracy for industrial automation applications. The module features channel-to-channel isolation and comprehensive diagnostic capabilities, making it suitable for demanding process control environments. Its compact design and easy configuration through STEP 7 software make it an ideal solution for temperature, pressure, flow, and other process variable measurements.
Key Features
- Analog Input Module with 8 channels for S7-300 PLC system
- 8 analog input channels with configurable measuring ranges
- Supports voltage, current, resistance, RTD, and thermocouple signals
- 13-bit resolution for precise measurements
- Channel-to-channel isolation for improved reliability
- Comprehensive diagnostic functions
- STEP 7 software configuration
- Screw terminal front connector
- 40mm width compact design
- DIN rail mounting
- Country of origin: Germany
Technical Specifications
- Number of Inputs: 8 analog inputs
- Input Types: Voltage, Current, Resistance, RTD, Thermocouple
- Resolution: 13-bit + sign bit
- Measuring Ranges:
- Voltage: ±1V, ±10V, 0-10V, 1-5V
- Current: ±20mA, 0-20mA, 4-20mA
- Resistance: 0-150Ω, 0-300Ω, 0-600Ω
- RTD: Pt100, Pt200, Pt500, Ni100, etc.
- Thermocouple: Type J, K, L, N, R, S, T, E, U
- Conversion Time: 17-54 ms per channel (depending on configuration)
- Basic Accuracy: ±0.1% of full scale value
- Power Supply: 24V DC via backplane bus
- Power Consumption: 1.5W typical
- Operating Temperature: 0°C to +60°C
- Dimensions: 40mm × 125mm × 117mm (W×H×D)
- Weight: approx. 0.4 kg
- Protection Degree: IP20
- Standards: IEC 61131, UL 508, RoHS compliant
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for configuration and integration
- Wiring and installation assistance
- Compatibility verification with existing systems
- Commissioning and diagnostics support available
Delivery Time
- Standard delivery: 3-5 working days
- Express shipping available upon request
Why Choose Our Store
- Genuine Siemens SIMATIC S7-300 components
- Global supply network with competitive pricing
- Expertise in industrial automation systems
- Comprehensive technical documentation
- Responsive customer service and support
Applications
- Temperature measurement and control systems
- Pressure and flow monitoring
- Level measurement and control
- Process variable monitoring
- Industrial automation control
- Building automation systems
- Energy management applications
- Quality control and testing systems
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