Product Overview
Technical Summary
| Product designation | SIMATIC S7-400, analog input SM 431 |
|---|---|
| Analog input count | 16 |
| Isolation between analog inputs | No |
| Resolution with overrange | 13 bit |
| Voltage input ranges | 1 V to 5 V; -1 V to +1 V; -10 V to +10 V |
| Current input ranges | -20 mA to +20 mA; 4 mA to 20 mA |
| Load voltage L+ | 24 V; only required for supplying 2-wire transmitters |
| Basic conversion time | 55 / 65 ms |
| Integration time | 50 / 60 ms |
| Diagnostics function | No |
Key Features
- Product designation: SIMATIC S7-400, analog input SM 431.
- Analog inputs: 16 analog inputs for voltage/current measurement; the analog inputs are non-isolated.
- Resolution and conversion: Resolution with overrange: 13 bit. Basic conversion time: 55 / 65 ms; integration time: 50 / 60 ms.
- Input ranges: Voltage: 1 V to 5 V, -1 V to +1 V, and -10 V to +10 V. Current: -20 mA to +20 mA and 4 mA to 20 mA.
- Supply voltage: Load voltage L+: 24 V; only required for supplying 2-wire transmitters. Reverse polarity protection: Yes.
- Signal encoder connections: Voltage measurement: Yes; possible. Current measurement as 4-wire transducer: Yes.
Frequently Asked Questions
What product does Siemens order number 6ES7431-0HH00-0AB0 identify?
It identifies a SIMATIC S7-400 analog input SM 431 with 16 non-isolated analog inputs.
Which specifications distinguish this exact module variant?
It has 13-bit resolution, 1 V to 5 V, -1 V to +1 V, and -10 V to +10 V voltage ranges, plus -20 mA to +20 mA and 4 mA to 20 mA current ranges.
What should be checked when verifying the code and nameplate?
Check the complete order number 6ES7431-0HH00-0AB0 and confirm 16 analog inputs, non-isolated inputs, and the stated voltage and current ranges.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number.
