Key Features
- AI 8xU/I HF module: Analog input module with 8 channels in groups of 1 for voltage and current measurement.
- Signal and diagnostics functions: Supports diagnostics, hardware interrupts, limit value alarm, monitoring of the supply voltage, and wire break detection for 1 … 5 V and 4 … 20 mA.
- Electrical and measurement data: Rated value (DC): 24 V, with 19.2 V to 28.8 V permissible range, 16-bit resolution, and 0.1% accuracy.
- Ruggedized SIPLUS design: Conformal coating with operating range -40…+70 °C and start up -25 °C.
- Supplied mounting parts: Including infeed element, shielding bracket, and shield terminal.
Technical Summary
| Product type designation | AI 8xU/I HF |
|---|---|
| Based on | 6ES7531-7NF00-0AB0 |
| Analog inputs | 8 |
| Rated value (DC) | 24 V |
| Permissible range, lower limit (DC) | 19.2 V |
| Permissible range, upper limit (DC) | 28.8 V |
| Resolution with overrange (bit including sign), max. | 24 bit; When using the function "Scaling of the measured values" or "Measuring range adaptation" (32 bit REAL format); 16 bit when using the S7 format (16 bit INTEGER) |
| Accuracy | 0.1% |
| Supply voltage | Reverse polarity protection: Yes |
| Diagnostics function | Yes |
| Conformal coating | Yes; Class 2 for high reliability |
Applications
- Voltage and current signal acquisition: Acquires voltage and current signals through 8 analog input channels.
Frequently Asked Questions
What is Siemens 6AG1531-7NF00-7AB0?
It is a SIPLUS S7-1500 AI 8xU/I HF analog input module.
How many analog inputs does 6AG1531-7NF00-7AB0 have?
It has 8 analog inputs.
What supply voltage does the module use?
Rated value (DC): 24 V, with a permissible range of 19.2 V to 28.8 V.
What measurement resolution and accuracy are specified for 6AG1531-7NF00-7AB0?
The module has 16-bit resolution and 0.1% accuracy.
Which mounting parts are included with the module?
It includes an infeed element, shielding bracket, and shield terminal.
