Product Overview
Technical Summary
| Product designation | AI 8xU/I HS |
|---|---|
| Base module | 6ES7531-7NF10-0AB0 |
| Analog inputs | 8; in groups of 8 |
| Resolution | 16 bit |
| Accuracy | 0.3 % |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 19.2 V to 28.8 V DC |
| Supported voltage ranges | 1 V to 5 V; -10 V to +10 V; -5 V to +5 V |
| Supported current ranges | 0 to 20 mA; -20 mA to +20 mA; 4 mA to 20 mA |
| Diagnostics | Diagnostics function, diagnostic alarm and limit value alarm |
| Horizontal installation temperature | -40 °C to 70 °C; +85 °C for 10 min under OT4, ST1/ST2 according to EN 50155 |
Key Features
- Product designation: AI 8xU/I HS analog input module based on 6ES7531-7NF10-0AB0.
- Analog input capacity: 8 analog input channels in groups of 8; above +60 °C, a maximum of 4x ±20 mA or 4x ±10 V is permissible.
- Resolution and accuracy: 16-bit resolution with 0.3% accuracy.
- Supply and protection: 24 V DC rated supply, permissible from 19.2 V to 28.8 V, with reverse polarity protection.
- Railway temperature conditions: Horizontal installation: -40 °C to 70 °C, with +85 °C for 10 minutes under OT4, ST1/ST2 according to EN 50155; vertical installation: -40 °C to 40 °C.
Frequently Asked Questions
What product does Siemens order number 6AG2531-7NF10-4AB0 identify?
It identifies the SIPLUS S7-1500 AI 8xU/I HS TX rail-based analog input module.
Which specifications distinguish this MLFB variant?
The supplied variant has 8 analog input channels in groups of 8, 16-bit resolution, 0.3% accuracy, conformal coating and railway temperature conditions.
What supply details should be checked?
Check the 24 V DC rated supply and the permissible 19.2 V to 28.8 V DC range.
What code and nameplate details should be verified before inquiry?
Verify the complete 6AG2531-7NF10-4AB0 order number and the AI 8xU/I HS designation.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number.
