Siemens S7-400PLC Specifikace Strana 324

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Analog modules
5.25 Analog input module SM 431; AI 8 x 16 Bit (6ES7431-7KF00-0AB0)
S7-400 Automation System Module Data
324 Reference Manual, Edition 09/2009, A5E00850736-06
Specifications of the SM 431; AI 8 x 16 Bit
Dimensions and weight
Dimensions W x H x D (mm) 25 x 290 x 210
Weight Approx. 650 g
Module-specific data
Number of inputs 8
Length of cable
Shielded
200 m
Voltages, currents and potentials
Electrical isolation
Between channels and the backplane bus
Yes
Between channels
Yes
In groups of 1
Permissible potential difference
Between inputs (U
CM
)
120 VAC
Between M
ANA
and M
internal
(V
iso
)
120 VAC
Isolation test voltage 1500 VDC
Current consumption
From the backplane bus (5 V)
Max. 1200 mA
Power loss of the module Typ. 4.6 W
Formation of analog values
Measuring principle Integrating
Integration/conversion time/resolution (per channel)
Programmable
Yes
Integration time in ms
2,5 16,7 20 100
Basic conversion time in ms
10 16,7 20 100
Resolution, including sign
16 bits
Noise suppression
For interference frequency f1 in Hz
400 60 50 10
Measured value smoothing
Parameters can be assigned to 4 levels
Basic response time of the module (all channels
enabled)
40 67 80 400
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