Product Overview
Technical Summary
| Product | SIPLUS S7-300 SM 331 8 AI |
|---|---|
| Based on | 6ES7331-7PF01-0AB0 |
| Analog inputs | 8 |
| Supply | 24 V DC |
| Measurement | Resistance and resistance thermometer |
| Connections | 2-wire without resistance correction, 3-wire, 4-wire |
| Resolution | 16 bit; Two's complement |
| Protection | Conformal coating |
| Isolation test | 500 V DC |
Key Features
- Product designation: SIPLUS S7-300 SM 331 8 AI based on 6ES7331-7PF01-0AB0, with conformal coating.
- Analog inputs: 8 analog inputs for resistance measurement; the analog inputs are not separated between channels and are separated from the backplane bus and electronics power supply.
- Supported measurements: Resistance thermometer inputs include Cu 10, Ni 100/120/200/500/1000, Pt 100/200/500/1000; resistance ranges are 0 to 150 ohms, 0 to 300 ohms, and 0 to 600 ohms.
- Connections: Resistance measurement supports two-wire connection without resistance correction, three-wire connection, and four-wire connection.
- Supply and protection: Rated load voltage L+: 24 V DC. Reverse polarity protection: Yes. Input current from load voltage L+ without load, max.: 240 mA.
- Conversion and diagnostics: Resolution with overrange: 16 bit; Two's complement. Integration time is parameterizable. Diagnostics, diagnostic alarm, limit value alarm, and hardware interrupt are parameterizable.
Frequently Asked Questions
What does Siemens 6AG1331-7PF01-4AB0 identify?
It identifies a SIPLUS S7-300 SM 331 module with 8 analog inputs, based on 6ES7331-7PF01-0AB0, with conformal coating.
Which specifications distinguish this MLFB variant?
The supplied variant has 8 analog inputs, resistance and resistance thermometer measurement, 2/3/4-wire connections, 24 V DC rated load voltage, and conformal coating.
What connection options are available for resistance measurement?
Two-wire, three-wire, and four-wire connections are supported; the two-wire connection is without resistance correction.
What details should be checked before requesting a quotation?
Check the complete order number 6AG1331-7PF01-4AB0, the product designation, and the required quantity and destination.
