Siemens S7-400PLC Specifikace stáhnout pdf (Strana 252)

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101

Analog modules

5.19 Analog input module SM 431; AI 8 x 13 Bit (6ES7431-1KF00-0AB0)

S7-400 Automation System Module Data

252 Reference Manual, Edition 09/2009, A5E00850736-06

Noise suppression, error limits

Noise suppression at F = n (f1 ± 1%)

(f1 = interference frequency) n = 1, 2, ...

 Common-mode interference (UCM <30 V)

> 100 dB

 Series-mode interference (peak value of

disturbance < nominal input range)

> 40 dB

Crosstalk between inputs > 50 dB

Operational limit (across temperature range, relative to input range)

 Voltage input

– ± 1 V

– ± 10 V

– 1 to 5 V

± 1,0 %

± 0,6 %

± 0,7 %

 Current input

– ± 20 mA

– 4 to 20 mA

± 1,0 %

 Resistance measurement 0 to 500 Ω;

4-conductor measurement (in the range of 600Ω)

± 1,25 %

Basic error limit (operational error limit at 25° C, relative to input range)

 Voltage input

– ± 1 V

– ± 10 V

– 1 to 5 V

± 0,7 %

± 0,4 %

± 0,5 %

 Current input

– ± 20 mA

– 4 to 20 mA

± 0,7 %

 Resistance measurement 0 to 500 Ω; 4-conductor

measurement (in the range of 600Ω)

± 0,8 %

Temperature error with reference to the input range

 In the resistance measurement range

± 0.02 % K

 In all the other measurement ranges

± 0.007 % K

Linearity error (with reference to the input range) ± 0.05 % K

Repetition accuracy (in transient state at 25° C,

relative to input range)

± 0,1 %

Status, interrupts, diagnostics

Interrupts None

Diagnostic functions None

Injection of substitution values No

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