Technical Summary
| Product type designation | AI 8xU/R/RTD/TC HF |
|---|---|
| Based on | 6ES7531-7PF00-0AB0 |
| Number of analog inputs | 8; Plus one additional RTD (reference) channel |
| Resolution | 16-bit resolution |
| Accuracy | 0.1% |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range | 19.2 V to 28.8 V |
| Reverse polarity protection | Yes |
| Current consumption, max. | 55 mA; with 24 V DC supply |
| Power consumption from the backplane bus | 0.85 W |
| Power loss, typ. | 1.9 W |
| Diagnostics function | Yes |
Key Features
Analog input module
AI 8xU/R/RTD/TC HF with 8 channels in groups of 1.
AI 8xU/R/RTD/TC HF with 8 channels in groups of 1.
Conformal coating
Designed with conformal coating and a 0…+60 °C temperature range.
Designed with conformal coating and a 0…+60 °C temperature range.
Measurement and diagnostics
16-bit resolution, accuracy 0.1%, diagnostics, and hardware interrupts.
16-bit resolution, accuracy 0.1%, diagnostics, and hardware interrupts.
Thermocouple and RTD support
Supports voltage, resistance/resistance thermometer, and thermocouple measurement.
Supports voltage, resistance/resistance thermometer, and thermocouple measurement.
Supply and installation details
Rated value 24 V DC supply, reverse polarity protection, and included shielding bracket and shield terminal.
Rated value 24 V DC supply, reverse polarity protection, and included shielding bracket and shield terminal.
Applications
Analog signal acquisition
Measures voltage, resistance/resistance thermometer, and thermocouple signals through 8 channels.
Measures voltage, resistance/resistance thermometer, and thermocouple signals through 8 channels.
RTD reference and thermocouple compensation
Uses the 9th reference channel for RTD use or compensation during TC measurement.
Uses the 9th reference channel for RTD use or compensation during TC measurement.
Frequently Asked Questions
What is Siemens 6AG1531-7PF00-4AB0?
It is a SIPLUS S7-1500 AI 8xU/R/RTD/TC HF analog input module.
How many analog inputs does 6AG1531-7PF00-4AB0 have?
It has 8 analog inputs plus one additional RTD reference channel.
What supply voltage does 6AG1531-7PF00-4AB0 use?
Rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
What resolution and accuracy are specified for this module?
The module has 16-bit resolution and 0.1% accuracy.
Which measurement types are supported by 6AG1531-7PF00-4AB0?
It supports voltage measurement, resistance/resistance thermometer measurement, and thermocouple measurement.
