Key Features
- 8 analog inputs: Analog input module with 8 AI.
- Isolated analog input: Analog input isolated.
- 2/3/4-wire connection: Supports 2/3/4-wire connection.
- Resistance thermometer support: Supports Pt100/200/1000, NI100/120/200/500/1000 and CU10.
- Resolution and conversion: Internal 24 bit, 50 ms.
- 1x 40-pole connection: Connection with 1x 40-pole.
Applications
- Resistance measurement: For resistance measurement with 2-wire, 3-wire, or 4-wire connection.
- Temperature input reading: For reading resistance thermometers such as Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000 and CU10.
Technical Summary
| Based on | 6ES7331-7PF01-0AB0 |
|---|---|
| Product function | SM 331 8 AI |
| Number of analog inputs | 8 |
| Analog input isolation | isolated |
| Load voltage L+ | 24 V DC |
| Input current from load voltage L+ (without load), max. | 240 mA |
| Power loss, typ. | 4.6 W |
| Resolution with overrange (bit including sign), max. | 16 bit; Two's complement |
| Basic conversion time | up to 4 channels: 10 ms per module, over 5 channels: 190 ms per module, 8 channels: 80 ms |
| Connection of signal encoders | for resistance measurement with two-wire connection; without resistance correction |
| Connection of signal encoders, three-wire | for resistance measurement with three-wire connection |
| Connection of signal encoders, four-wire | for resistance measurement with four-wire connection |
| Isolation tested with | 500 V DC |
| Diagnostics function | Yes; Parameterizable |
Frequently Asked Questions
What is Siemens 6AG1331-7PF01-4AB0?
It is a SIPLUS S7-300 SM 331 8 AI analog input module.
How many analog inputs does 6AG1331-7PF01-4AB0 have?
It has 8 analog inputs.
What sensor and resistance types does this module support?
It supports resistance thermometers, resistance measurement, and the listed types Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000 and CU10.
What is the load voltage for 6AG1331-7PF01-4AB0?
Load voltage L+ is 24 V DC.
What connection types are supported for the signal encoders?
It supports two-wire, three-wire, and four-wire connection for resistance measurement.
