Product Overview
Technical Summary
| Product designation | SM 331 analog input module |
|---|---|
| Analog inputs | 6 |
| Supported signal types | Voltage and thermocouple |
| Thermocouple types | B, E, J, K, L, N, R, S, T, U, C, TXK, XK(L) |
| Resolution | 16 bit; Two's complement |
| Supported voltage ranges | -1 V to +1 V; -250 mV to +250 mV; -50 mV to +50 mV; -500 mV to +500 mV; -80 mV to +80 mV |
| Input resistance | 10 MΩ for listed voltage ranges and thermocouple inputs |
| Front connector | 40-pin |
Key Features
- SIMATIC S7-300 analog input: SM 331 analog input module with 6 analog inputs and isolated channels.
- Thermocouple inputs: Supports thermocouple types B, E, J, K, L, N, R, S, T, U, C, TXK, and XK(L).
- Voltage input ranges: Supported rated ranges include -1 V to +1 V, -250 mV to +250 mV, -50 mV to +50 mV, -500 mV to +500 mV, and -80 mV to +80 mV.
- 16 bit resolution: Resolution with overrange is 16 bit including sign, with Two's complement.
- Connection and isolation: Requires a 40-pin front connector; isolation is tested with 2 500 V DC.
- Product lifecycle: Product cancellation.
Frequently Asked Questions
What does Siemens 6ES7331-7PE10-0AB0 identify?
It identifies a SIMATIC S7-300 analog input SM 331 module with 6 isolated analog inputs for voltage and thermocouples.
Which specifications distinguish this MLFB variant?
Check the 6 analog inputs, supported thermocouple types, listed voltage ranges, 16 bit resolution, 40-pin front connector, and isolated channels.
What code and nameplate details should be checked before inquiry?
Check the complete order number 6ES7331-7PE10-0AB0 and confirm the module designation, 6 inputs, signal types, connector, and product lifecycle.
What information is needed for a quotation?
Provide the complete order number, required quantity, and destination.
