Siemens S7-400PLC Specifikace stáhnout pdf (Strana 288)

100

101

Analog modules

5.22 Analog input module SM 431; AI 16 x 13 Bit (6ES7431-0HH00-0AB0)

S7-400 Automation System Module Data

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

Formation of analog values

Measuring principle Integrating

Integration/conversion time/resolution (per channel) (Does not go into the response time)

 Programmable

Yes

 Noise suppression f1 in Hz

60 / 50

 Integration time in ms

50 / 60

 Basic conversion time in ms

55 / 65

 Resolution (including overshoot range)

13 bits

Measured value smoothing Not supported

Basic execution time of the module, in ms (all

channels enabled)

880 / 1040

Noise suppression, error limits

Noise suppression for f = nx (f1 ±1%), (f1 = interference frequency) n = 1, 2, ...

 Common-mode interference (UCM <2 V)

> 86 dB

 Series-mode interference (peak value of

disturbance < nominal input range)

> 60 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

± 0,65 %

± 1 %

 Current input

– ± 20 mA

– 4 to 20 mA

± 0,65 %

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

 Voltage input

– ± 1 V

– ± 10 V

– 1 to 5 V

± 0,25 %

± 0,5 %

 Current input

– ± 20 mA

– 4 to 20 mA

± 0,25 %

Temperature error (relative to input range) ± 0,01 %

Linearity error (relative to input range) ± 0,05 %

Repetition accuracy (in transient state at 25° C,

relative to input range)

± 0,01 %

Status, interrupts, diagnostics

Interrupts None

Diagnostic functions None

Injection of substitution values No

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