Key Features
- Analog input module: SIMATIC S7-300 analog input SM 331 with 8 AI.
- Thermocouple input support: Supports thermocouples type B, E, J, K, L, N, R, S, T TXK/TXK (L) according to GOST.
- Isolated channels: Isolation between the channels and between the channels and the backplane bus and electronics supply.
- 16 bit acquisition: Resolution with overrange up to 16 bit; Two's complement, with a 50 ms conversion time in the collected description.
- 40-pin connection: Requires a 40-pin front connector.
Technical Summary
| Product type | SIMATIC S7-300 analog input SM 331 |
|---|---|
| Spare part status | spare part |
| Analog inputs | 8 |
| Input range | Thermocouple |
| Supported thermocouples | type B, E, J, K, L, N, R, S, T TXK/TXK (L) according to GOST |
| Resolution with overrange | 16 bit; Two's complement |
| Conversion time | 50 ms |
| Potential separation | between the channels |
| Isolation test voltage | 500 V DC |
| Load voltage L+ | 24 V |
| Power loss, typ. | 3 W |
| Required front connector | 40-pin |
Applications
- Thermocouple temperature signal acquisition: Collects temperature signals from thermocouples for analog input processing.
Frequently Asked Questions
What is the exact model of this Siemens analog input module?
6ES7331-7PF11-0AB0.
How many analog inputs does 6ES7331-7PF11-0AB0 have?
It has 8 analog inputs.
Which signal type does this S7-300 SM 331 module accept?
It accepts thermocouple inputs.
What connection hardware is required for 6ES7331-7PF11-0AB0?
A 40-pin front connector is required.
