Key Features
- Analog input module: AI 8xU/I/RTD/TC ST with 8 analog inputs for voltage, current, resistance thermometer, and thermocouple signals.
- Measurement performance: 16-bit resolution with 0.3% accuracy and common mode voltage 10 V.
- Diagnostics and interrupts: Diagnostics function, diagnostic alarm, limit value alarm, monitoring of the supply voltage, wire break detection, and hardware interrupts.
- SIPLUS extreme design: Conformal coating, -40…+70 °C, and OT4 with ST1/2 (+85 °C for 10 minutes).
- Installation items: Includes infeed element, shielding bracket and shield terminal.
Applications
- Acquisition of analog process signals: Used for voltage, current, RTD, and thermocouple signal acquisition on 8 channels.
Technical Summary
| Product type designation | AI 8xU/I/RTD/TC ST |
|---|---|
| Based on | 6ES7531-7KF00-0AB0 |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range | 19.2 V to 28.8 V |
| Number of analog inputs | 8; > +60 °C max. 2x ±20 mA or 4x ±10 V or 4x RTD permissible |
| Resolution with overrange (bit including sign), max. | 16 bit |
| Accuracy | 0.3% |
| Power consumption from the backplane bus | 0.7 W |
| Power loss, typ. | 2.7 W |
| Isolation tested with | 750 V DC (type test) and according to EN 50155 (routine test) |
Frequently Asked Questions
What is Siemens 6AG2531-7KF00-4AB0?
It is a SIPLUS S7-1500 AI 8xU/I/RTD/TC ST analog input module.
How many analog inputs does 6AG2531-7KF00-4AB0 have?
It has 8 analog inputs.
What signal types does the 6AG2531-7KF00-4AB0 support?
It supports voltage, current, resistance thermometer, and thermocouple signals.
What power supply does 6AG2531-7KF00-4AB0 use?
The rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
What mounting or installation items are included with 6AG2531-7KF00-4AB0?
It includes an infeed element, shielding bracket and shield terminal.
