Key Features
- AI 8xU/R/RTD/TC HF: Product type designation: AI 8xU/R/RTD/TC HF.
- 8 analog inputs: 8 channels in groups of 1, with one additional RTD reference channel.
- 16-bit resolution and 0.1% accuracy: Analog input module with 16-bit resolution and accuracy 0.1%.
- Conformal coating: SIPLUS version with conformal coating and 0…+60 °C.
- Diagnostics and hardware interrupts: Diagnostics are supported, including hardware interrupts.
Technical Summary
| Product type designation | AI 8xU/R/RTD/TC HF |
|---|---|
| Based on | 6ES7531-7PF00-0AB0 |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range, lower limit (DC) | 19.2 V |
| Supply voltage, permissible range, upper limit (DC) | 28.8 V |
| Number of analog inputs | 8; Plus one additional RTD (reference) channel |
| Resolution with overrange (bit including sign), max. | 21 bit; For measuring mode RTC and TC when using the function "Scalable temperature measuring range" (32 bit REAL format); 16 bit for measuring mode R and U; 16 bit for all measuring modes when using the S7 format (16 bit INTEGER) |
| Accuracy | 0.1% |
| Diagnostics function | Yes |
| Potential separation channels, between the channels | Yes |
| Common mode voltage, max. | 60 V DC/30 V AC |
Applications
- Voltage measurement input: Analog input for voltage measurement.
- Resistance and RTD measurement input: Analog input for resistance and resistance thermometer measurement.
- Thermocouple measurement input: Analog input for thermocouple measurement.
Frequently Asked Questions
What is the exact Siemens model and product type?
The exact model is 6AG1531-7PF00-4AB0, and the product type designation is AI 8xU/R/RTD/TC HF.
How many analog inputs does this module have?
It has 8 analog inputs, plus one additional RTD reference channel.
What supply voltage does the module require?
Rated supply voltage is 24 V DC, with a permissible range of 19.2 V DC to 28.8 V DC.
Which measurement types are supported by the analog inputs?
The module supports voltage measurement, resistance and resistance thermometer measurement, and thermocouple measurement.
What diagnostics and signal-separation details are provided?
Diagnostics function is Yes, and potential separation between the channels is Yes.
