Key Features
- Analog input module: SIMATIC S7-300 analog input SM 331 with 6 analog inputs.
- Thermocouple and voltage input ranges: Supports thermocouples type B, E, J, K, L, N, R, S, T and voltage inputs from +/-25 mV to +/-1 V.
- Isolation and diagnostics: Single channel isolated 250 V AC with diagnostics function, diagnostic alarm, limit value alarm, hardware interrupt, and Group error SF (red).
- Resolution and conversion: 16 bit resolution with overrange and 50 ms conversion time.
- Connection and installation: Requires a 40-pin front connector and has a width of 40 mm.
Applications
- Thermocouple signal acquisition: For acquiring temperature signals from type B, E, J, K, L, N, R, S, and T thermocouples.
- Voltage signal acquisition: For measuring voltage signals in the +/-25 mV to +/-1 V range.
- Signal diagnostics and alarm handling: For using diagnostics, diagnostic alarms, limit value alarms, and hardware interrupts on analog input channels.
Technical Summary
| Product function | SIMATIC S7-300, analog input SM 331 |
|---|---|
| Number of analog inputs | 6 |
| Input ranges, thermocouples | type B, E, J, K, L, N, R, S, T |
| Input ranges, voltage | +/-25 mV to +/-1 V |
| Resolution with overrange | 16 bit; Two's complement |
| Basic conversion time | 30 / 50 / 60 / 300 ms |
| Isolation tested with | 2 500 V DC |
| Required front connector | 40-pin |
Frequently Asked Questions
What is Siemens 6ES7331-7PE10-0AB0 used for?
It is a SIMATIC S7-300 analog input SM 331 with 6 analog inputs for thermocouples and voltage signals.
Which input signals does 6ES7331-7PE10-0AB0 support?
It supports thermocouples type B, E, J, K, L, N, R, S, T and voltage signals from +/-25 mV to +/-1 V.
What are the key electrical and measurement specifications of this module?
The module has 16 bit resolution with overrange, 50 ms conversion time, and 2 500 V DC isolation testing.
What connection hardware is required for 6ES7331-7PE10-0AB0?
It requires a 40-pin front connector.
What diagnostics functions are available on this analog input module?
It provides diagnostics function, diagnostic alarm, limit value alarm, hardware interrupt, and Group error SF (red).