Key Features
- SIMATIC S7-300 analog input module: SM 331 analog input module for the SIMATIC S7-300.
- 8 analog inputs: Provides 8 AI.
- Signal types: Supports U/I/thermocouple/resistor inputs.
- Diagnostics and alarms: Includes alarm and diagnostics functions.
- Front connector: Uses 1x 20-pole removing/inserting with active backplane bus.
Technical Summary
| Product function | SIMATIC S7-300, analog input SM 331 |
|---|---|
| Number of analog inputs | 8 |
| Supported input types | U/I/thermocouple/resistor |
| Resolution | 9/12/14 bits |
| Load voltage L+ | 24 V |
| Input current from load voltage L+ | 30 mA |
| Input current from backplane bus 5 V DC | 50 mA |
| Power loss, typ. | 1 W |
| Front connector | 1x 20-pole removing/inserting |
| Isolation tested with | 500 V DC |
Applications
- Analog signal acquisition: For reading voltage and current analog signals.
- Temperature and resistance measurement: For measuring thermocouple and resistance thermometer signals, as well as resistance inputs.
Frequently Asked Questions
What is Siemens 6ES7331-7KF02-0AB0?
It is a SIMATIC S7-300 analog input SM 331 module.
How many analog inputs does 6ES7331-7KF02-0AB0 have?
It has 8 analog inputs.
Which signal types does the 6ES7331-7KF02-0AB0 support?
It supports U/I/thermocouple/resistor inputs.
What front connector does the 6ES7331-7KF02-0AB0 use?
It uses a 1x 20-pole removing/inserting front connector with active backplane bus.
