Key Features
- SIMATIC S7-300 analog input module: SM 331 spare part for the SIMATIC S7-300 series.
- 8 isolated analog inputs: Provides 8 analog inputs with potential separation between the channels and backplane bus.
- 13 bit conversion resolution: Resolution with overrange is 13 bit including sign.
- Multiple signal types: Supports voltage, current, resistance, and resistance thermometer inputs.
- 40-pin front connector: Connection method requires a 40-pin front connector.
Technical Summary
| Product function | Isochronous mode: No |
|---|---|
| Analog inputs | Number of analog inputs: 8 |
| Input ranges | Voltage: Yes; Current: Yes; Resistance thermometer: Yes; Resistance: Yes |
| Resolution | Resolution with overrange (bit including sign), max.: 13 bit |
| Basic conversion time | 66 / 55 ms |
| Power loss | Power loss, typ.: 0.4 W |
| Input current | from backplane bus 5 V DC, max.: 90 mA |
| Isolation | Isolation tested with: 500 V DC |
| Connection method | required front connector: 40-pin |
Applications
- Analog signal acquisition: For acquiring up to 8 analog input signals.
- Voltage, current, resistance, and RTD input handling: For processing voltage, current, resistance, and resistance thermometer signals.
- S7-300 backplane bus integration: For integrating an isolated analog input module into the SIMATIC S7-300 backplane bus.
Frequently Asked Questions
What is Siemens 6ES7331-1KF02-0AB0?
It is a SIMATIC S7-300 analog input SM 331 spare part.
How many analog inputs does 6ES7331-1KF02-0AB0 provide?
It provides 8 analog inputs.
Which signal types are supported by this analog input module?
Voltage, current, resistance, and resistance thermometer signals are supported.
What connection is required for the module?
A 40-pin front connector is required.
What is the conversion time and resolution of this module?
The basic conversion time is 66 / 55 ms and the resolution with overrange is 13 bit including sign.
