Product Overview
Technical Summary
| Product type designation | AI 8xU/I/RTD/TC ST |
|---|---|
| Analog inputs | 8 |
| Resolution with overrange | 16 bit |
| Operational error limit, voltage/current/resistance | ±0.3% relative to input range |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 19.2 V to 28.8 V DC |
| Input signal ranges | 1 V to 5 V; -1 V to +1 V; -10 V to +10 V; -2.5 V to +2.5 V; 0 to 20 mA; -20 mA to +20 mA; 4 mA to 20 mA |
| Firmware version | V2.0.0 |
| Communication engineering | PROFIBUS from GSD version V1.0 / GSD revision V5.1; PROFINET from GSD version V2.3 / GSD revision – |
| Protection and diagnostics | Reverse polarity protection; diagnostics; hardware interrupts; wire-break monitoring |
Key Features
- Product designation: AI 8xU/I/RTD/TC ST analog input module for SIMATIC S7-1500.
- Analog inputs: 8 analog inputs: 8 for current measurement, 8 for voltage measurement, 4 for resistance or resistance thermometer measurement, and 8 for thermocouple measurement.
- Resolution and accuracy: Resolution with overrange: 16 bit. Operational error limit for voltage, current, and resistance relative to the input range: ±0.3%.
- Supported input ranges: Supported rated input ranges include 1 V to 5 V, -1 V to +1 V, -10 V to +10 V, -2.5 V to +2.5 V, 0 to 20 mA, -20 mA to +20 mA, and 4 mA to 20 mA.
- Supply and diagnostics: Rated supply: 24 V DC; permissible range: 19.2 V to 28.8 V. Diagnostics, hardware interrupts, wire-break monitoring, diagnostic alarms, and limit value alarms are available.
- Delivery and connection: Delivery includes an infeed element, shield bracket, and shield terminal. The front connector with screw terminals or push-in is ordered separately.
Frequently Asked Questions
What does Siemens 6ES7531-7KF00-0AB0 identify?
It identifies the SIMATIC S7-1500 AI 8xU/I/RTD/TC ST analog input module.
Which specifications distinguish this exact module variant?
The distinguishing supplied specifications include 8 analog inputs, 16 bit resolution, 0.3% operational error limit for voltage, current, and resistance, and 24 V DC rated supply.
What should be checked for the connection configuration?
Check that the front connector is selected separately; it is available with screw terminals or push-in, while the delivery includes the infeed element, shield bracket, and shield terminal.
What details are needed to request a quotation?
Provide order number 6ES7531-7KF00-0AB0 together with the required quantity and destination.
