Product Overview
Technical Summary
| Product designation | SIMATIC S7-400, analog input SM 431 |
|---|---|
| Analog inputs | 16 isolated analog inputs |
| Resolution | 16 bit |
| Measurement types | Voltage, current, resistance, thermocouple, and resistance thermometer |
| Load voltage L+ | 24 V DC; only required for supplying 2-wire transmitters |
| Power loss | 4.5 W typ. |
| Diagnostics and alarms | Diagnostics, diagnostic alarms, limit value alarms, and hardware interrupts; parameterizable |
| Product lifecycle | Announcement of product phase-out |
Key Features
- Product designation: SIMATIC S7-400, analog input SM 431 with 16 isolated analog inputs.
- Resolution and measurements: Resolution: 16 bit. The module supports voltage, current, resistance, thermocouple, and resistance thermometer measurements.
- Input ranges: Supported ranges include 1 V to 5 V, 0 to 20 mA, 4 mA to 20 mA, thermocouple Types B, E, J, K, L, N, R, S, T, U, and resistance thermometer types Ni 100, Ni 1000, Pt 100, Pt 1000, Pt 200, and Pt 500.
- Diagnostics and alarms: Diagnostics, diagnostic alarms, limit value alarms, and hardware interrupts are parameterizable. Diagnostic information is readable.
- Supply and power loss: Load voltage L+: rated value (DC) 24 V, only required for supplying 2-wire transmitters. Power loss, typ.: 4.5 W.
- Dimensions and weight: Dimensions: 25 mm width, 290 mm height, and 210 mm depth. Weight, approx.: 500 g.
Frequently Asked Questions
What product does Siemens 6ES7431-7QH00-0AB0 identify?
It identifies a SIMATIC S7-400 analog input SM 431 module with 16 isolated analog inputs and 16-bit resolution.
Which specifications distinguish this exact module variant?
Check the complete order number 6ES7431-7QH00-0AB0, 16 isolated analog inputs, 16-bit resolution, supported measurement types, and the supplied input ranges.
What should be checked before requesting a quotation?
Check the complete order number and nameplate details, then provide the required quantity and destination for quotation.
