Description
The Siemens SIMATIC S7-1500 Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0) is a high-performance analog input module designed for the S7-1500 automation system. This High Feature (HF) module provides 8 channels for voltage and current signal acquisition, offering up to 24-bit resolution with 0.1% accuracy. Featuring channel-to-channel isolation, comprehensive diagnostic functions, and the ability to calibrate during RUN mode, it ensures precise measurement and reliable operation in demanding industrial environments. The module supports variable measurement ranges and measurement range adjustment, making it ideal for complex automation tasks requiring high-precision analog signal processing.
Key Features
- Analog Input Module for SIMATIC S7-1500 system
- 8 channels for voltage and current measurement
- Resolution: up to 24 bits
- Accuracy: 0.1%
- Channel-to-channel isolation
- Diagnostic capability with process alarms
- Variable measurement range
- Measurement range adjustment
- Calibration during RUN mode
- Common mode voltage: 30V AC/60V DC
- Includes feed element, shielding bracket, and shielding terminals
- Country of origin: Germany
Technical Specifications
- Number of Channels: 8 analog inputs
- Input Signal Types: Voltage and current
- Resolution: Up to 24 bits
- Accuracy: 0.1%
- Common Mode Voltage: 30V AC / 60V DC
- Channel Grouping: 8 channels, 1 per group
- Power Supply: 24V DC (20.4-28.8V)
- Power Consumption: 1.9W typical
- Input Current: 50 mA maximum
- Module Width: 35mm
- Operating Temperature: -20°C to +60°C
- Storage Temperature: -40°C to +70°C
- Dimensions: 35mm × 147mm × 129mm (W × H × D)
- Weight: approx. 0.402 kg
- Protection Degree: IP20
- Certifications: CE, UL, cULus
Functionality
- Variable Measurement Value: Yes
- Measurement Range Adjustment: Yes
- RUN Mode Calibration: Yes
- Diagnostics: Wire-break detection, underflow/overflow detection
- Hardware Interrupts: 2 upper and 2 lower limits per channel
- I&M Data: Yes (I&M0 to I&M3)
- Firmware Update: Yes
- MSI (Module Shared Input): Yes
- CiR Configuration: Parameter changes possible during RUN mode
Communication & Integration
- PROFINET Interface: GSD version v2.3
- PROFIBUS Interface: GSD version V1.0 / V5.1
- STEP 7 TIA Portal: Compatible from version V14
- STEP 7: Compatible from version V5.5 SP3
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for configuration and integration
- Parameter setting 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 S7-1500 components
- Global supply network with competitive pricing
- Expertise in analog signal processing systems
- Comprehensive technical documentation
- Responsive customer service and support
Applications
- Process variable measurement (pressure, temperature, flow)
- Sensor signal acquisition
- Quality control systems
- Test and measurement equipment
- Energy management systems
- Building automation
- Industrial process control
- Machine condition monitoring
- Data acquisition systems
- Manufacturing execution systems





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