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SIMATIC S7-400 SM 431, AI U/I/TC 8x16 bit
SKU: 6ES7431-7KF00-0AB0
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Short Description
Description:
The SIMATIC S7-400 has an analog input of SM 431, 8 AI, resolution of 16 bits, U/I/Thermocouple, isolated with single rooting, diagnostics, alarm, and a conversion time of 20 ms.
Input current:
from backplane bus 5 V DC, max.: 1200 mA.
Power loss:
Power loss, typ.: 4.6 W.
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Analog inputs:
Number of analogue inputs: 8.
For voltage/current measurement: 8.
permissible input voltage for voltage input (destruction limit), max.: 35 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20).
permissible input current for current input (destruction limit), max.: 32 mA.
Input ranges:
Voltage: Yes.
Current: Yes.
Thermocouple: Yes.
Resistance thermometer: No.
Resistance: No.
Cable length:
shielded, max.: 200 m.
Analog value generation for the inputs:
Integration and conversion time/resolution per channel:
Resolution with overrange (bit including sign), max.: 16 bit.
Integration time, parameterizable: Yes.
Basic conversion time (ms): 10 / 16,7 / 20 / 100.
Integration time (ms): 2,5 / 16,7 / 20 / 100.
Interference voltage suppression for interference frequency f1 in Hz: 400 / 60 / 50 / 10 Hz.
Encoder:
Connection of signal encoders:
for voltage measurement: Yes; possible.
for current measurement as 4-wire transducer: Yes.
for resistance measurement with four-wire connection: Yes.
Interrupts/diagnostics/status information:
Diagnostics function: Yes; Parameterizable.
Potential separation:
Potential separation analogue inputs:
Potential separation analogue inputs: Yes; internal/external.
between the channels: Yes.
between the channels and backplane bus: Yes.
Isolation:
Isolation tested with: 1 500 V DC.
Dimensions:
Width: 25 mm.
Height: 290 mm.
Depth: 210 mm.
Weights:
Weight, approx.: 650 g.