Product Overview
Technical Summary
| Product type designation | AI 8xU/I HF |
|---|---|
| Analog inputs | 8 |
| Resolution with overrange | max. 24 bit |
| Accuracy | 0.1% |
| Rated supply voltage | 24 V DC |
| Supported voltage ranges | 1 V to 5 V; -10 V to +10 V; -2.5 V to +2.5 V; -5 V to +5 V |
| Supported current ranges | 0 to 20 mA; -20 mA to +20 mA; 4 mA to 20 mA |
| Firmware version | V1.1.0 |
| PROFINET GSD version | V2.3 |
| Calibration in RUN | Yes |
| Front connector | Ordered separately |
Key Features
- Product designation: SIMATIC S7-1500 analog input module AI 8xU/I HF.
- Analog channels: 8 channels in groups of 1; 8 channels support current measurement and 8 support voltage measurement.
- Resolution and accuracy: Resolution with overrange: max. 24 bit; accuracy: 0.1%.
- Supported input ranges: Voltage: 1 V to 5 V, -10 V to +10 V, -2.5 V to +2.5 V, and -5 V to +5 V. Current: 0 to 20 mA, -20 mA to +20 mA, and 4 mA to 20 mA.
- Supply and protection: Rated supply: 24 V DC; permissible range: 19.2 V to 28.8 V DC; reverse polarity protection.
- Diagnostics and installation: Diagnostics, hardware interrupts, calibration in RUN, and scalable measured values. Delivery includes an infeed element, shield bracket, and shield terminal; the front connector is ordered separately.
Applications
- Analog measurement: Measures voltage and current signals through the supported analog input ranges.
- In-run calibration: Supports calibration and measuring-range adjustment while in RUN.
- Diagnostic monitoring: Provides diagnostics, diagnostic alarms, limit value alarms, and supply-voltage monitoring.
Frequently Asked Questions
Which specifications distinguish Siemens 6ES7531-7NF00-0AB0?
Check the AI 8xU/I HF designation, 8 analog inputs, up to 24 bit resolution, 0.1% accuracy, supported voltage and current ranges, and V1.1.0 firmware.
What connection and supply details should be checked for this module?
Check the 24 V DC rated supply, 19.2 V to 28.8 V DC permissible range, supported signal connections, and the front connector, which is ordered separately.
What quantity and destination are needed for a quotation?
Provide the required quantity and destination together with the complete order number 6ES7531-7NF00-0AB0.
