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Siemens 6ES7431-1KF10-0AB0

SIMATIC S7-400, analog input SM 431, isolated 8 AI, resolution 14 bit, U/I/Resistor/Thermocouple/Pt100

SiemensMFR # 6ES7431-1KF10-0AB0SKU # CEY-937FC77FE389

Reverse polarity protectionYes

from backplane bus 5 V DC, max.600 mA

Power loss, typ.3.5 W

Number of analog inputs8

For voltage/current measurement8

For resistance measurement4

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About This Product

SIMATIC S7-400, analog input SM 431, isolated 8 AI, resolution 14 bit, U/I/Resistor/Thermocouple/Pt100

Siemens 6ES7431-1KF10-0AB0

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

Load voltage L+

Rated value (DC)24 V; Only required for supplying 2-wire transmitters

Reverse polarity protectionYes

Input current

from load voltage L+ (without load), max.200 mA; for 8 connected, fully controlled 2-wire transmitters

from backplane bus 5 V DC, max.600 mA

Power loss

Power loss, typ.3.5 W

Analog inputs

Number of analog inputs8

For voltage/current measurement8

For resistance measurement4

permissible input voltage for voltage input (destruction limit), max.18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)

permissible input current for current input (destruction limit), max.40 mA; Permanent

Constant measurement current for resistance-type transmitter, typ.1.67 mA

Input ranges

VoltageYes

CurrentYes

ThermocoupleYes

Resistance thermometerYes

ResistanceYes

Input ranges (rated values), voltages

1 V to 5 VYes

— Input resistance (1 V to 5 V)1 MΩ

-1 V to +1 VYes

— Input resistance (-1 V to +1 V)1 MΩ

-10 V to +10 VYes

— Input resistance (-10 V to +10 V)1 MΩ

-2.5 V to +2.5 VYes

— Input resistance (-2.5 V to +2.5 V)1 MΩ

-250 mV to +250 mVYes

— Input resistance (-250 mV to +250 mV)1 MΩ

-5 V to +5 VYes

— Input resistance (-5 V to +5 V)1 MΩ

-500 mV to +500 mVYes

— Input resistance (-500 mV to +500 mV)1 MΩ

-80 mV to +80 mVYes

— Input resistance (-80 mV to +80 mV)1 MΩ

Input ranges (rated values), currents

0 to 20 mAYes

— Input resistance (0 to 20 mA)50 Ω

4 mA to 20 mAYes

— Input resistance (4 mA to 20 mA)50 Ω

Input ranges (rated values), thermocouples

Type BYes

— Input resistance (Type B)1 MΩ

Type EYes

— Input resistance (Type E)1 MΩ

Type JYes

— Input resistance (type J)1 MΩ

Type KYes

— Input resistance (Type K)1 MΩ

Type LYes

— Input resistance (Type L)1 MΩ

Type NYes

— Input resistance (Type N)1 MΩ

Type RYes

— Input resistance (Type R)1 MΩ

Type SYes

— Input resistance (Type S)1 MΩ

Type TYes

— Input resistance (Type T)1 MΩ

Type UYes

— Input resistance (Type U)1 MΩ

Input ranges (rated values), resistance thermometer

Ni 100Yes

— Input resistance (Ni 100)1 MΩ

Ni 1000Yes

— Input resistance (Ni 1000)1 MΩ

Pt 100Yes

— Input resistance (Pt 100)1 MΩ

Pt 1000Yes

Pt 10000Yes

Pt 200Yes

— Input resistance (Pt 200)1 MΩ

Pt 500Yes

— Input resistance (Pt 500)1 MΩ

Input ranges (rated values), resistors

0 to 48 ohmsYes

— Input resistance (0 to 48 ohms)1 MΩ

0 to 150 ohmsYes

— Input resistance (0 to 150 ohms)1 MΩ

0 to 300 ohmsYes

— Input resistance (0 to 300 ohms)1 MΩ

0 to 600 ohmsYes

— Input resistance (0 to 600 ohms)1 MΩ

0 to 6000 ohmsYes; Usable up to 5000 Ohm

— Input resistance (0 to 6000 ohms)1 MΩ

Temperature compensation

— ParameterizableYes

— internal temperature compensationNo

— external temperature compensation with Pt100Yes

— external temperature compensation with compensations socketYes

— dynamic reference temperature valueYes

Characteristic linearization

ParameterizableYes

— for thermocouplesType B, E, J, K, L, N, R, S, T, U

— for resistance thermometerPt100, Pt200, Pt500, Pt1000, Ni100, Ni1000

Cable length

shielded, max.200 m; 50 m with thermocouples and input ranges ≤ 80 mV

Integration and conversion time/resolution per channel

Resolution with overrange (bit including sign), max.14 bit; with activated filtering: 16 bit

Integration time, parameterizableYes

Basic conversion time (ms)20.1 / 23.5 ms

Integration time (ms)16,7 / 20 ms

Interference voltage suppression for interference frequency f1 in Hz50 / 60 Hz

Basic execution time of the module (all channels released)161 ms; 161 / 188 ms

Connection of signal encoders

for voltage measurementYes; possible

for current measurement as 2-wire transducerYes

for current measurement as 4-wire transducerYes

for resistance measurement with two-wire connectionYes; Line resistances are also measured

for resistance measurement with three-wire connectionYes

for resistance measurement with four-wire connectionYes

Errors/accuracies

Temperature error (relative to input range), (+/-)0.004 %/K

Operational error limit in overall temperature range

Voltage, relative to input range, (+/-)0.38 %; ±0.38 % at ±80 mV; ±0.35 % at ±250 mV, ±500 mV, ±1 V, ±2,5 V, ±5 V, 1 to 5 V, ±10 V

Current, relative to input range, (+/-)0.35 %; ±20 mA, 0 to 20 mA, 4 to 20 mA

Resistance, relative to input range, (+/-)0.5 %

Resistance thermometer, relative to input range, (+/-)0.5 %

Thermocouple, relative to input range, (+/-)TC Type B (±14.8 K), TC Type R (±9.4 K), TC Type S (±10.6 K), TC Type T (±2.2 K), TC Type E (±4.0 K), TC Type J (±5.2 K), TC Type K (±7.6 K), TC Type U (±3.5 K), TC Type L (±5.1 K), TC Type N (±5.5 K)

Basic error limit (operational limit at 25 °C)

Voltage, relative to input range, (+/-)0.15 %; ±0.15 % (±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 to 5 V, ±10 V); ±0.17% (±80 mV)

Current, relative to input range, (+/-)0.15 %; ±20 mA, 0 to 20 mA, 4 to 20 mA

Resistance, relative to input range, (+/-)0.15 %; ±0.15 % at 0 to 48 ohms (4-conductor measurement), 0 to 150 ohms (4-conductor measurement), 0 to 300 ohms (4-conductor measurement), 0 to 600 ohms (4-conductor measurement), 0 to 5000 ohms (4-conductor measurement, in range of 6000 ohms); ±0.3 % at 0 to 300 ohms (3-conductor measurement), 0 to 600 ohms (3-conductor measurement), 0 to 5000 ohms (3-conductor measurement, in range of 6000 ohms)

Resistance thermometer, relative to input range, (+/-)0.3 %

Thermocouple, relative to input range, (+/-)TC Type B (±8.2 K), TC Type R (±5.2 K), TC Type S (±5.9 K), TC Type T (±1.2 K), TC Type E (±1.8 K), TC Type J (±2.3 K), TC Type K (±3.4 K), TC Type U (±1.8 K), TC Type L (±2.3 K), TC Type N (±2.9 K)

Interrupts/diagnostics/status information

Diagnostics functionNo

Potential separation analog inputs

Potential separation analog inputsYes; internal/external

between the channelsNo

between the channels and backplane busYes

Between the channels and load voltage L+Yes

Isolation

Isolation tested with2 120 V DC between bus and L+/M; 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog section and L+/M; 2 120 V DC between analog section and local ground; 2 120 V DC between L+/M and local ground

Dimensions

Width25 mm

Height290 mm

Depth210 mm

Weights

Weight, approx.500 g

Accessories 1

Genuine accessories that can be used with the Siemens 6ES7431-1KF10-0AB0 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.