Siemens 6ES7431-7KF10-0AB0 Analog Input Module | SIMATIC S7-400 SM 431
The 6ES7431-7KF10-0AB0 is an analog input module for Siemens S7-400. It supports 8 AI channels, 16-bit resolution, PT and NI sensor ranges, isolation, alarms, and diagnostics. Warranty: 12 months. Shipping: FedEx, UPS, DHL.
Contact: info@oiltechcontrols.com | +86 158 8020 0923
Core Features
- Model: 6ES7431-7KF10-0AB0
- Series: SIMATIC S7-400 / SM 431
- 8 analog inputs, isolated
- 16-bit conversion resolution
- 20 ms conversion, parameter based
- Resistor/PT100/NI100 support
- Diagnostics and alarm support
Technical Data
- Backplane supply: 5 V DC, 650 mA max
- Power loss: 3.3 W typ
- Sensor support: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000
- Input resistance > 10,000 ohms
- Integration time: 20 ms at 50 Hz
- Isolation tested: 500 V DC
- Basic execution time: 8 / 23 / 25 ms
Environmental Ratings
- Shielded cable length: up to 200 m
- Thermocouple cable: up to 50 m
- Error limit: ±1°C operational, ±0.2°C basic
- Potential separation analog/backplane
Build & Size
- Width: 25 mm
- Height: 290 mm
- Depth: 210 mm
- Approx. weight: 650 g
Product Selling Points
- Fast installation for field upgrades
- Stable isolation for plant safety
- Good match for temp feedback systems
- Reduced noise impact on long cable runs
- Designed for real-time monitoring
Professional FAQ
Can I use PT100 in 3-wire mode?
Yes, the module accepts 3-wire and 4-wire sensor wiring.
Is it ready for noise-heavy workshops?
Yes, isolation and suppression help reduce interference.
Should I adjust integration time on install?
Yes, shorter timing helps if you need faster values.
Can I replace older SM 431 cards with this?
Yes, it drops into standard S7-400 racks for upgrades.
Is this good for slow temperature loops?
Yes, stable conversion supports longer cycle process loops.
Warranty & Delivery
- 12-month warranty period
- FedEx / UPS / DHL worldwide delivery
- Units packed for export protection
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