Key Features
- 16 isolated analog inputs: Analog input SM 431 with 16 AI and isolated input channels.
- 16 bit resolution: Provides 16 bit resolution for analog signal acquisition.
- Multiple input types: Supports U/I/Resistor/Thermocouple/Pt100 input types.
- Alarm and diagnostics: Includes alarm and diagnostics functions with parameterizable diagnostic alarm, limit value alarm, and hardware interrupt.
Applications
- Analog signal acquisition: For acquiring voltage, current, resistance, thermocouple, and Pt100 signals on a SIMATIC S7-400 controller system.
- Temperature measurement input: For connecting thermocouple and Pt100 signal sources for temperature-related input tasks.
Technical Summary
| Product type | SIMATIC S7-400 analog input SM 431 |
|---|---|
| Number of analog inputs | 16 |
| Resolution | 16 bit |
| Supported input types | U/I/Resistor/Thermocouple/Pt100 |
| Voltage input ranges | 1 V to 5 V; -1 V to +1 V; -10 V to +10 V; -2.5 V to +2.5 V; -25 mV to +25 mV; -250 mV to +250 mV; -5 V to +5 V; -50 mV to +50 mV; -500 mV to +500 mV; -80 mV to +80 mV |
| Current input ranges | 0 to 20 mA; -10 mA to +10 mA; -20 mA to +20 mA; 4 mA to 20 mA; -5 mA to +5 mA |
| Thermocouple types | Type B, E, J, K, L, N, R, S, T, U |
| Resistance thermometer types | Ni 100, Ni 1000, Pt 100, Pt 1000, Pt 200, Pt 500 |
| Load voltage L+ | 24 V |
| Power loss, typ. | 4.5 W |
Frequently Asked Questions
What is Siemens 6ES7431-7QH00-0AB0 used for?
It is a SIMATIC S7-400 analog input SM 431 module with 16 AI for analog signal acquisition.
How many analog inputs does 6ES7431-7QH00-0AB0 provide?
It provides 16 analog inputs.
Which input signal types does the module support?
It supports U/I/Resistor/Thermocouple/Pt100 input types.
What are the key electrical and installation values for this module?
Load voltage L+ is 24 V, typ. power loss is 4.5 W, and the module dimensions are 25 mm wide, 290 mm high, and 210 mm deep.
