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SKU:6ES7431-1KF20-0AB0
6ES7431-1KF20-0AB0 | SM 431 8 AI 14 Bit 0.416ms Siemens
Manufacturer: Siemens
Product No.: 6ES7431-1KF20-0AB0
Product Type: Analog Input Module
Product Origin: DE
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
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Penerangan
Siemens 6ES7431-1KF20-0AB0 SIMATIC S7-400 Analog Input Module
Product Overview
Siemens 6ES7431-1KF20-0AB0 is a SIMATIC S7-400 analog input module SM 431 with 8 isolated analog inputs. Features 14 bit resolution with ultra-fast 0.416 ms cycle time. Supports voltage, current, and resistor input ranges. Isolated between channels and backplane bus. Designed for high-speed analog signal acquisition applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Model | 6ES7431-1KF20-0AB0 |
| Series | SIMATIC S7-400 |
| Type | Analog Input SM 431 |
| Analog Inputs | 8 isolated (4 for resistance) |
| Resolution | 14 bit |
| Cycle Time | 0.416 ms |
| Load Voltage | 24V DC |
| Input Current from L+ | 200 mA max |
| Backplane Current | 1000 mA max at 5V DC |
| Power Loss | 4.9 W typical |
| Voltage Ranges | ±1V, ±10V, 1 to 5V |
| Current Ranges | ±20mA, 4 to 20mA |
| Resistor Range | 0 to 600 Ohm |
| Basic Conversion Time | 52 µs |
| Input Filter Time Constant | 15 µs |
| Module Execution Time | 0.42 s (all channels) |
| Shielded Cable Length | 200m max |
| Isolation | 2120V DC bus to analog section |
| Dimensions W x H x D | 25 x 290 x 210 mm |
| Weight | 500 g |
Installation
Install module in SIMATIC S7-400 rack. Connect 24V DC load voltage for 2 wire transmitters. Wire analog signals to front connector. Use shielded cable maximum 200m. Verify potential separation between channels and backplane bus. Configure integration time and filter per application requirements.
Features
8 isolated analog inputs with 14 bit resolution. Ultra-fast 0.416 ms cycle time for high speed applications. Supports voltage (±1V, ±10V, 1 to 5V), current (±20mA, 4 to 20mA), and resistor (0 to 600 Ohm) inputs. Integration time parameterizable with 400/60/50 Hz interference suppression. 15 µs input filter time constant. Potential separation between channels and backplane bus. Compact 25mm width design.
FAQ
Q1: How many analog inputs does this module have?
A1: 8 analog inputs for voltage/current measurement, 4 for resistance measurement. Resolution 14 bit.
Q2: What is the cycle time?
A2: 0.416 ms cycle time. Basic conversion time 52 µs. Module execution time 0.42 s for all channels.
Q3: What is the difference between 1KF10 and 1KF20?
A3: 1KF20 offers faster cycle time (0.416 ms vs 20.1 ms) and supports ±20mA and ±1V ranges but does not support thermocouple or RTD inputs like 1KF10.
Spesifikasi Tambahan
Skalar (V/f)
Vektor
Dikuasakan oleh AC
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