Product Overview
Technical Summary
| Product designation | SIMATIC S7-300 analog input SM 331, isolated |
|---|---|
| Analog inputs | 8 |
| Supported voltage ranges | 1 V to 5 V; -10 V to +10 V; -5 V to +5 V |
| Supported current ranges | 0 to 20 mA; -20 mA to +20 mA; 4 mA to 20 mA |
| Resolution | 16 bit with overrange |
| Conversion time | 10 ms (4-channel mode); 95/83/72/23 ms (8-channel mode) |
| Load voltage L+ | 24 V DC |
| Front connector | 40-pin |
| Product lifecycle | Product cancellation |
Key Features
- Product designation: SIMATIC S7-300 analog input SM 331, isolated; product cancellation.
- Analog inputs: 8 analog inputs with voltage and current input ranges; thermocouple, resistance thermometer, and resistance inputs are not supported.
- Supported input ranges: Voltage: 1 V to 5 V, -10 V to +10 V, and -5 V to +5 V. Current: 0 to 20 mA, -20 mA to +20 mA, and 4 mA to 20 mA.
- Resolution and conversion: 16 bit resolution with overrange; basic conversion time is 10 ms in 4-channel mode and 95/83/72/23 ms in 8-channel mode.
- Interfaces and isolation: Required front connector: 40-pin. Analog inputs have potential separation between channels, in groups of 2, and from the backplane bus and electronics power supply.
Applications
- Voltage measurement: Supports connection of signal encoders for voltage measurement.
- Current measurement: Supports current measurement with 2-wire transducers using an external transmitter and current supply, and with 4-wire transducers.
Frequently Asked Questions
Which specifications distinguish 6ES7331-7NF10-0AB0?
It is an isolated SIMATIC S7-300 SM 331 analog input module with 8 AI, 16 bit resolution, selected voltage and current ranges, and 4-channel or 8-channel operation.
What should be checked against the nameplate for this code?
Check the complete order number 6ES7331-7NF10-0AB0, the SM 331 designation, 8 AI, supported input ranges, 40-pin front connector, and product lifecycle.
What quantity and destination are needed for a quotation?
Provide the required quantity and destination together with the complete order number 6ES7331-7NF10-0AB0.
