Key Features
- Analog input module: AI 8xU/I HS with 8 analog inputs for voltage and current measurement.
- Measurement performance: 16-bit resolution, 0.3% accuracy, and common mode voltage 10 V.
- Diagnostics and interrupts: Diagnostics function and hardware interrupts for 8 channels in 0.0625 ms.
- Selection and supply data: 24 V DC supply, reverse polarity protection, and current consumption, max. 240 mA.
- SIPLUS extreme design: Conformal coating, -40…+70 °C, OT4 with ST1/2 (+85 °C for 10 minutes).
Applications
- Voltage signal acquisition: Acquiring analog voltage signals on the 8 input channels.
- Current signal acquisition: Acquiring analog current signals on the 8 input channels.
- 2-wire transducer connection: Connecting current measurement as 2-wire transducers.
- 4-wire transducer connection: Connecting current measurement as 4-wire transducers.
Technical Summary
| Product type designation | AI 8xU/I HS |
|---|---|
| Based on | 6ES7531-7NF10-0AB0 |
| Number of analog inputs | 8; > +60 °C max. 4x ±20 mA or 4x ±10 V permissible |
| Resolution with overrange (bit including sign), max. | 16 bit |
| Accuracy | 0.3% |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range | 19.2 V to 28.8 V |
| Current consumption, max. | 240 mA; with 24 V DC supply |
| Power consumption from the backplane bus | 1.15 W |
| Basic execution time of the module (all channels released) | 62.5 μs; independent of number of activated channels |
| Diagnostics function | Yes |
Frequently Asked Questions
What is Siemens 6AG2531-7NF10-4AB0?
It is a SIPLUS S7-1500 AI 8xU/I HS analog input module.
How many analog inputs does 6AG2531-7NF10-4AB0 have?
It has 8 analog inputs.
What are the key electrical and performance specs of this module?
Rated supply is 24 V DC, the permissible range is 19.2 V to 28.8 V, resolution is 16 bit, and accuracy is 0.3%.
What interfaces or signal types does the AI 8xU/I HS support?
It supports voltage measurement and current measurement, and current measurement as 2-wire transducer or 4-wire transducer.
What should be checked before selecting this module?
Check the 8 input channels, the 24 V DC supply range, the 16-bit resolution, and the mounting dimensions 35 mm x 147 mm x 129 mm.
