Siemens S7-1500 Analog input module, AI 16x U BA, 16 channel, 4V

Product Overview

The 6ES7531-7LH00-0AB0 is a SIMATIC S7-1500 analog input module with 16 voltage measurement channels, offering 16-bit resolution and 0.5% accuracy. This AI 16xU BA module features configurable measuring ranges (±1V, ±5V, ±10V, 1-5V), comprehensive diagnostics, and hardware interrupt capabilities for reliable analog signal processing in industrial automation applications.

Key Features

• Input Channels: 16 analog voltage inputs with 16-bit resolution
• Measuring Ranges: ±1V, ±5V, ±10V, 1-5V (configurable per channel)
• Accuracy: 0.5% operational error limit in temperature range
• Input Resistance: 10 MΩ across all voltage ranges
• Diagnostics: Wire break detection, overflow/underflow monitoring, common mode error
• Hardware Interrupts: Dual limit monitoring (2 high + 2 low limits per channel)
• Interference Suppression: 400Hz/60Hz/50Hz/10Hz selectable per channel
• Smoothing: Four levels available (None/Low/Medium/High)
• Integration Time: 2.5/16.67/20/100 ms (parameterizable)
• Cable Length: Up to 200m (shielded)
• Operating Temperature: -30°C to +60°C (horizontal), -30°C to +40°C (vertical)
• Dimensions: 35mm W x 147mm H x 129mm D
• Weight: 0.367 kg

Technical Specifications

• Resolution: 16-bit including sign
• Common Mode Voltage: 4V DC maximum
• Permissible Input Voltage: 12V continuous, 30V for 1 second max
• Conversion Time: 10/24/27/107 ms (depending on integration time)
• Linearity Error: ±0.1% relative to input range
• Temperature Error: ±0.006%/K relative to input range
• Crosstalk: -50 dB maximum between inputs
• Isolation: 707V DC type test
• Power Consumption: 0.85W from backplane bus

Applications

The AI 16xU BA module is designed for precise voltage measurement in SIMATIC S7-1500 and ET 200MP systems. Ideal for process control applications requiring high-accuracy analog signal acquisition, sensor monitoring, and industrial measurement tasks where reliable voltage signal processing is critical.

Configuration Options

• STEP 7 (TIA Portal): V16 with HSP 312 / V17 or higher
• GSD File Support: STEP 7 V5.5 SP3 or higher
• Network Compatibility: PROFINET IO and PROFIBUS DP
• Parameter Assignment: Configurable in RUN mode
• MSI Support: Module-internal Shared Input for distributed systems

Product Information

• Article Number: 6ES7531-7LH00-0AB0
• Net Weight: 0.367 kg
• Packaging Dimensions: 16.10 x 19.40 x 4.70 cm
• EAN: 4047623411048
• UPC: 195125081130
• Country of Origin: Germany
• Product Group: 4501

Compliance & Environmental

• RoHS Compliance: Yes (since 25.09.2020)
• WEEE Take-Back: Yes (2012/19/EU)
• REACH Article 33: Contains lead and other substances >0.1% w/w
• Export Control: AL: N / ECCN: EAR99H
• Product Lifecycle: PM300:Active Product

Download existing graphical data for this product:

• Equipment Manual - AI 16xU BA (English)
• Equipment Manual - AI 16xU BA (German)
• Equipment Manual - AI 16xU BA (Italian)
• Technical Datasheet

Additional Resources

• SM 531 Analog Input Modules Product Family
• Siemens Industry Mall