SIPLUS S7-400 SM 431 analog input modules Siemens

Область применения



Analog input modules allow the connection of the controller to analog signals of the process. They are suitable for connection of voltage sensors and current sensors, thermo elements, resistors and resistance thermometers.

Обзор


  • Analog inputs for SIMATIC S7-400
  • For connection of voltage and current sources
  • Resolution 13 to 16 bit

Note:

SIPLUS extreme products are based on SIMATIC standard products. The contents listed here were taken from the respective standard products. SIPLUS extreme specific information was added.

Technical documentation on SIPLUS can be found here:
http://www.siemens.de/siplus-extreme

Дизайн



The analog input modules feature the following mechanical characteristics:

  • Compact design:
    The rugged plastic enclosure contains:
    • Plug-in option for the front connector.
    • Labeling strips.
  • Easy installation.
  • User-friendly wiring:

The modules are wired via a plug-in front connector.

Функции



The analog input modules convert analog signals from the process to digital values for internal processing in the S7-400.

The modules feature:

  • Resolution of 13 to 16 bits
  • Different measurement ranges:
  • Interrupt capability
  • Diagnostics

Технические данные



Order number

6AG1431-0HH00-4AB0

SIPLUS S7-400 SM431 16AE

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.

400 mA; for 16 connected, fully controlled 2-wire transmitters

from backplane bus 5 V DC, max.

100 mA

Power loss

 

Power loss, typ.

2 W

Hardware configuration

 

Slots

 

  • required slots

1

Analog inputs

 

Number of analog inputs

16

  • For voltage/current measurement

16

permissible input voltage for voltage input (destruction limit), max.

20 V; 20 V DC permanent, 75 V DC for max. 1 s (duty factor 1:20)

permissible input current for current input (destruction limit), max.

40 mA

Input ranges (rated values), voltages

 

  • 1 V to 5 V

Yes

  • -1 V to +1 V

Yes

  • -10 V to +10 V

Yes

Input ranges (rated values), currents

 

  • -20 mA to +20 mA

Yes

  • 4 mA to 20 mA

Yes

Cable length

 

  • shielded, max.

200 m

Analog value generation

 

Integration and conversion time/resolution per channel

 

  • Resolution with overrange (bit including sign), max.

13 bit

  • Integration time, parameterizable

Yes

  • Basic conversion time (ms)

55 / 65 ms

  • Integration time (ms)

50 / 60 ms

  • Interference voltage suppression for interference frequency f1 in Hz

50 / 60 Hz

Encoder

 

Connection of signal encoders

 

  • for current measurement as 4-wire transducer

Yes

Errors/accuracies

 

Operational error limit in overall temperature range

 

  • Voltage, relative to input area, (+/-)

0.65 %; 1.0% at 1 to 5 V; 0.65% at +/-1 V, +/-10 V

  • Current, relative to input area, (+/-)

0.65 %

Basic error limit (operational limit at 25 °C)

 

  • Voltage, relative to input area, (+/-)

0.25 %; 0.5% at 1 to 5 V; 0.25% at +/-1 V, +/-10 V

  • Current, relative to input area, (+/-)

0.25 %; at +/-20 mA, 4 to 20 mA

Potential separation

 

Potential separation analog inputs

 

  • Potential separation analog inputs

No

  • between the channels

No

Permissible potential difference

 

between the inputs (UCM)

2 V DC / 2 Vpp AC

Isolation

 

Isolation tested with

500 V DC between bus and local ground

Ambient conditions

 

Ambient temperature during operation

 

  • min.

0 °C; = Tmin

  • max.

60 °C; = Tmax

Extended ambient conditions

 

  • relative to ambient temperature-atmospheric pressure-installation altitude

Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m)

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