Product Description
Key Features
- Exact product identity: SIPLUS S7-1500 AI 8xU/I/RTD/TC TX rail based on 6ES7531-7KF00-0AB0; product type designation: AI 8xU/I/RTD/TC ST.
- Analog input capacity: 8 analog inputs; 8 channels for current measurement, 8 for voltage measurement, 4 for resistance or resistance thermometer measurement, and 8 for thermocouple measurement.
- Resolution and accuracy: 16-bit resolution with overrange including sign; collected data lists 0.3% accuracy, while the supplied basic error limits are 0.1% at 25 °C.
- Supply and protection: Rated supply: 24 V DC, permissible range 19.2 V to 28.8 V; reverse polarity protection and encoder-supply short-circuit protection.
- Input and diagnostic functions: Supports voltage, current, resistance, resistance thermometer and thermocouple input ranges; diagnostics, diagnostic alarms, limit value alarms and wire-break monitoring are supported.
- Environmental and lifecycle data: Conformal coating; -40…+70 °C, OT4 with ST1/2 (+85 °C for 10 minutes); lifecycle: Active Product.
Applications
- Analog voltage and current measurement: The module supports analog voltage measurement and analog current measurement on 8 channels.
- Resistance and temperature measurement: The module supports resistance, resistance thermometer and thermocouple measurement.
Technical Summary
| Product type | AI 8xU/I/RTD/TC ST |
|---|---|
| Based on | 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 | 24 V DC |
| Permissible supply range | 19.2 V to 28.8 V DC |
| Input interfaces | Voltage, current, resistance, resistance thermometer and thermocouple |
| Firmware update possible | Yes |
| Installation variant | TX rail |
| Lifecycle | Active Product |
Frequently Asked Questions
What exact Siemens model should be confirmed for this analog input module?
Confirm order number 6AG2531-7KF00-4AB0 and product type designation AI 8xU/I/RTD/TC ST.
What supply voltage does the 6AG2531-7KF00-4AB0 use?
The rated supply is 24 V DC, with a permissible range of 19.2 V to 28.8 V DC.
How many input channels does this module have?
It has 8 analog input channels. At temperatures above +60 °C, the supplied restriction is max. 2x ±20 mA or 4x ±10 V or 4x RTD permissible.
Which input signal types are supported?
The supplied data supports voltage, current, resistance, resistance thermometer and thermocouple measurement.
