Key Features
- 8-channel analog input module: AI 8xU/I/RTD/TC ST with 8 analog inputs.
- Multi-signal measurement: For voltage measurement, current measurement, resistance measurement, resistance thermometer measurement, and thermocouple measurement.
- Diagnostics and alarms: Diagnostics function: Yes, with diagnostic alarm and limit value alarm.
- Industrial supply and protection: Rated value (DC): 24 V, with reverse polarity protection: Yes.
- Selection-relevant data: 16 bit resolution with overrange, accuracy 0.3%, and based on 6ES7531-7KF00-0AB0.
Applications
- Analog signal acquisition: Collects voltage, current, resistance, RTD, and thermocouple signals through 8 analog inputs.
- Channel diagnostics and limit monitoring: Supports diagnostic alarms, limit value alarms, and wire break monitoring for selected signal types.
Technical Summary
| Product type designation | AI 8xU/I/RTD/TC ST |
|---|---|
| Based on | 6ES7531-7KF00-0AB0 |
| Number of analog inputs | 8 |
| Resolution with overrange (bit including sign), max. | 16 bit |
| Rated value (DC) | 24 V |
| Current consumption, max. | 255 mA; with 19.2 V supply |
| Power loss, typ. | 2.7 W |
| Diagnostics function | Yes |
| Diagnostic alarm | Yes |
| Limit value alarm | Yes; two upper and two lower limit values in each case |
| Wire break | Yes; Only for 1 to 5 V, 4 to 20 mA, TC, R, and RTD |
| Isolation tested with | 707 V DC (type test) |
Frequently Asked Questions
What is Siemens 6AG1531-7KF00-7AB0 used for?
It is a SIPLUS S7-1500 analog input module for 8 channels of voltage, current, resistance, RTD, and thermocouple measurement.
How many analog inputs does 6AG1531-7KF00-7AB0 have?
It has 8 analog inputs.
What supply voltage does 6AG1531-7KF00-7AB0 require?
Rated value (DC): 24 V.
What diagnostics are available on the module?
It includes diagnostics function, diagnostic alarm, limit value alarm, and wire break monitoring for selected signal types.