Technical Summary
| Product type | Analog input SM 331 |
|---|---|
| Series | SIMATIC S7-300 |
| Number of analog inputs | 8 |
| Isolation tested with | 500 V DC |
| Resolution with overrange (bit including sign), max. | 13 bit |
| Basic conversion time (ms) | 66 / 55 ms |
| Integration time, parameterizable | Yes; 60 / 50 ms |
| Input ranges | Voltage; Current; Resistance thermometer; Resistance |
| Required front connector | 40-pin |
Key Features
SIMATIC S7-300 analog input module
Analog input SM 331 for the SIMATIC S7-300 series.
Analog input SM 331 for the SIMATIC S7-300 series.
8 analog inputs
Provides 8 AI.
Provides 8 AI.
Isolated design
Isolation tested with 500 V DC, with potential separation between the channels and backplane bus.
Isolation tested with 500 V DC, with potential separation between the channels and backplane bus.
13 bit resolution
Resolution with overrange up to 13 bit including sign.
Resolution with overrange up to 13 bit including sign.
Signal input support
Supports voltage, current, resistance, and resistance thermometer inputs, including Pt100, NI100, NI1000, LG-NI1000, and PTC/KTY.
Supports voltage, current, resistance, and resistance thermometer inputs, including Pt100, NI100, NI1000, LG-NI1000, and PTC/KTY.
40-pole front connector
Requires a 40-pin front connector and has 1x 40-pole connection.
Requires a 40-pin front connector and has 1x 40-pole connection.
Applications
Analog signal acquisition in S7-300 systems
Used for 8-channel analog input acquisition in SIMATIC S7-300 setups.
Used for 8-channel analog input acquisition in SIMATIC S7-300 setups.
Voltage and current measurement
Used for measuring voltage and current input signals.
Used for measuring voltage and current input signals.
Resistance and resistance thermometer input handling
Used for resistance measurement and for Pt100, NI100, NI1000, and LG-NI1000 input signals.
Used for resistance measurement and for Pt100, NI100, NI1000, and LG-NI1000 input signals.
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 have?
It has 8 analog inputs.
What is the resolution and conversion time of 6ES7331-1KF02-0AB0?
The module has 13 bit resolution with overrange and a basic conversion time of 66 / 55 ms.
Which signal types does 6ES7331-1KF02-0AB0 support?
It supports voltage, current, resistance, and resistance thermometer signals, including Pt100, NI100, NI1000, LG-NI1000, and PTC/KTY.
What front connector does 6ES7331-1KF02-0AB0 require?
It requires a 40-pin front connector.
