6ES7431-1KF20-0AB0 SIMATIC S7-400, SM 431

6ES7431-1KF20-0AB0 SIMATIC S7-400, SM 431

Product Code: 6ES7431-1KF20-0AB0

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Artikelnummer 6ES7431-1KF20-0AB0
SIMATIC S7-400, SM 431 ANALOG INPUT MODULE OPTIC. ISOLATED, 8 AI, 14 BIT RESOLUTION, U/I/RESIST. 0.416 MS SCAN TIME
Supply voltage
Load voltage L+
● Rated value (DC) 24 V; Only required for supplying 2-wire transmitters
● Reverse polarity protection Yes
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. 1 000 mA
Power losses
Power loss, typ. 4.9 W
Hardware configuration
Slots
● Required slots 1
Analog inputs
Number of analog inputs 8
Number of analog inputs for voltage/current measurement 8
Number of analog inputs for resistance measurement 4
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
Input ranges
● Voltage Yes
● Current Yes
● Thermocouple No
● Resistance thermometer No
● Resistance Yes
Input ranges (rated values), voltages
● 1 to 5 V Yes
● Input resistance (1 to 5 V) 10 MΩ
● -1 V to +1 V Yes
● Input resistance (-1 V to +1 V) 10 MΩ
● -10 V to +10 V Yes
● Input resistance (-10 V to +10 V) 100 kΩ
Input ranges (rated values), currents
● -20 to +20 mA Yes
● Input resistance (-20 to +20 mA) 50 Ω
● 4 to 20 mA Yes
● Input resistance (4 to 20 mA) 50 kΩ
Input ranges (rated values), resistors
● 0 to 600 ohms Yes
Cable length
● Cable length, shielded, max. 200 m
Analog value creation
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 14 bit; 14 / 14 / 14
● Integration time, parameterizable Yes
● Basic conversion time, ms 52 µs
● Interference voltage suppression for interference frequency f1 in Hz none / 400 / 60 / 50 Hz
Encoder
Connection of signal encoders
● for current measurement as 2-wire transducer Yes
● for current measurement as 4-wire transducer Yes
● for resistance measurement with two-wire connection Yes; Line resistances are also measured
● for resistance measurement with three-wire connection Yes; Line resistances are also measured
● for resistance measurement with four-wire connection Yes
Errors/accuracies
Operational limit in overall temperature range
● Voltage, relative to input area, (+/-) 0.7 %; +/-0.7% at +/-1 V; +/-0.9% at +/-10 V, 1 to 5 V
● Current, relative to input area, (+/-) 0.8 %; at +/-20 mA, 4 to 20 mA
● Resistance, relative to input area, (+/-) 1 %
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input area, (+/-) 0.6 %; 0.6% at +/-1 V; 0.75% at +/-10 V, 1 to 5 V
● Current, relative to input area, (+/-) 0.7 %; at +/-20 mA, 4 to 20 mA
● Resistance, relative to input area, (+/-) 0.7 %; 0 to 600 ohms
Galvanic isolation
Galvanic isolation analog inputs
● Galvanic isolation analog inputs Yes; internal/external
● between the channels No
Permissible potential difference
between the inputs (UCM) 8 V AC
Isolation
Isolation checked with 2120 V DC between bus and analog part; 500 V DC between bus and local ground; 707 V DC between analog part and L+/M; 2120 V DC between analog part and local ground; 2120 V DC between L+/M and local ground
Dimensions
Width 25 mm
Height 290 mm
Depth 210 mm
Weights
Weight, approx. 500 g
last modified: 25.09.2014

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