Product Overview
Technical Summary
| Product type designation | AI 8xU/I/RTD/TC ST |
|---|---|
| Base module | 6ES7531-7KF00-0AB0 |
| Analog inputs | 8; > +60 °C max. 2x ±20 mA or 4x ±10 V or 4x RTD permissible |
| Resolution with overrange | 16 bit |
| Accuracy | 0.3% |
| Rated supply voltage | 24 V DC |
| Permissible supply range | 19.2 V to 28.8 V DC |
| Supported measurement types | Voltage, current, resistance, resistance thermometer, thermocouple |
| RTD channels | 4 |
| Common mode voltage, max. | 10 V |
| Firmware update possible | Yes |
| Product lifecycle | Active Product |
Key Features
- Product designation: AI 8xU/I/RTD/TC ST analog input module based on 6ES7531-7KF00-0AB0, with conformal coating.
- Analog channels: 8 analog input channels; 4 channels are available for RTD measurement.
- Resolution and accuracy: 16-bit resolution and 0.3% accuracy.
- Measurement types: Supports voltage, current, resistance, resistance thermometer, and thermocouple measurement.
- Supply and protection: 24 V DC rated supply, permissible range 19.2 V to 28.8 V, with reverse polarity protection.
- Diagnostics and connections: Has diagnostics, hardware interrupts, wire-break monitoring for 1 V to 5 V, 4 mA to 20 mA, TC, R, and RTD, plus shielding bracket and shield terminal.
Frequently Asked Questions
Which specifications distinguish the Siemens 6AG1531-7KF00-7AB0 variant?
Check the AI 8xU/I/RTD/TC ST designation, conformal coating, 8 analog inputs, 16-bit resolution, 0.3% accuracy, and 24 V DC rated supply.
What input ranges and measurement types should be checked?
The module supports voltage ranges including 1 V to 5 V, -1 V to +1 V, -10 V to +10 V, and -5 V to +5 V; current ranges 0 to 20 mA, -20 mA to +20 mA, and 4 mA to 20 mA; plus resistance, RTD, and thermocouple measurement.
What should be checked for diagnostics and wiring?
Check diagnostics, hardware interrupts, channel and module LED indications, the supported connection types, and the stated wire-break monitoring ranges.
What quantity and destination are needed for a quotation?
Please provide the required quantity and destination together with the complete order number 6AG1531-7KF00-7AB0.
