Product Overview
Technical Summary
| Product | SIMATIC S7-300 analog input SM 331 |
|---|---|
| Inputs | 8 isolated analog inputs |
| Input type | Thermocouple type B, E, J, K, L, N, R, S, T, TXK/TXK (L) according to GOST |
| Resolution | 16 bit; Two's complement |
| Rated load voltage | 24 V DC |
| Front connector | 40-pin |
| Lifecycle | Product cancellation |
Key Features
- Product designation: SIMATIC S7-300 analog input SM 331; spare part.
- Thermocouple inputs: 8 isolated analog inputs for thermocouples type B, E, J, K, L, N, R, S, T, and TXK/TXK (L) according to GOST.
- Resolution and conversion: 16 bit resolution with overrange and Two's complement; integration time is parameterizable.
- Supply and protection: 24 V DC rated load voltage L+ with reverse polarity protection.
- Connection: Required front connector: 40-pin; 1x 40-pole connection.
- Module dimensions: 40 mm width, 125 mm height, 120 mm depth; approximate weight 272 g.
Frequently Asked Questions
Which specifications distinguish Siemens 6ES7331-7PF11-0AB0?
Check the SIMATIC S7-300 SM 331 designation, 8 isolated thermocouple inputs, 16 bit resolution, 24 V DC rated load voltage, and 40-pin front connector.
What should be checked against the nameplate for this module?
Check the complete order number 6ES7331-7PF11-0AB0 and confirm the 8 thermocouple inputs, input types, 16 bit resolution, and 1x 40-pole connection.
What information is needed to request a quotation?
Provide the complete order number, required quantity, and destination.
