Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
официальный партнер Сименс
Каталог СА01 2018
(4872) 700-366
skenergo@mail.ru

Article number

6ES7331-7RD00-0AB0

6ES7331-7SF00-0AB0

SIMATIC S7, SM 331 ANALOG INPUT

SIMATIC S7, SM 331 ANALOG INPUT

Supply voltage

 

 

Load voltage L+

 

 

  • в—Џ Rated value (DC)

24 V

24 V

  • в—Џ Reverse polarity protection

Yes

Input current

 

 

from load voltage L+ (without load), max.

250 mA

from backplane bus 5 V DC, max.

60 mA

120 mA

Output voltage

 

 

Power supply to the transmitters

 

 

  • в—Џ Rated value (DC)

13 V; at 22 mA

  • в—Џ No-load voltage (DC)

25.2 V

Power loss

 

 

Power loss, typ.

3 W

0.6 W

Analog inputs

 

 

Number of analog inputs

4

8; 8x thermocouples; 4x RTD thermoresistors

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

40 mA

Input ranges

 

 

  • в—Џ Voltage

No

Yes

  • в—Џ Current

Yes

No

  • в—Џ Thermocouple

No

Yes

  • в—Џ Resistance thermometer

No

Yes

  • в—Џ Resistance

No

Yes

Input ranges (rated values), currents

 

 

  • в—Џ 0 to 20 mA

Yes

  • в—Џ Input resistance (0 to 20 mA)

50 в„¦

  • в—Џ 4 mA to 20 mA

Yes

  • в—Џ Input resistance (4 mA to 20 mA)

50 в„¦

Input ranges (rated values), thermocouples

 

 

  • в—Џ Type B

Yes

  • в—Џ Input resistance (Type B)

10 MΩ

  • в—Џ Type E

Yes

  • в—Џ Input resistance (Type E)

10 MΩ

  • в—Џ Type J

Yes

  • в—Џ Input resistance (type J)

10 MΩ

  • в—Џ Type K

Yes

  • в—Џ Input resistance (Type K)

10 MΩ

  • в—Џ Type L

Yes

  • в—Џ Input resistance (Type L)

10 MΩ

  • в—Џ Type N

Yes

  • в—Џ Input resistance (Type N)

10 MΩ

  • в—Џ Type R

Yes

  • в—Џ Input resistance (Type R)

10 MΩ

  • в—Џ Type S

Yes

  • в—Џ Input resistance (Type S)

10 MΩ

  • в—Џ Type T

Yes

  • в—Џ Input resistance (Type T)

10 MΩ

  • в—Џ Type U

Yes

  • в—Џ Input resistance (Type U)

10 MΩ

Input ranges (rated values), resistance thermometer

 

 

  • в—Џ Ni 100

Yes

  • в—Џ Input resistance (Ni 100)

10 MΩ

  • в—Џ Pt 100

Yes

  • в—Џ Input resistance (Pt 100)

10 MΩ

  • в—Џ Pt 200

Yes

  • в—Џ Input resistance (Pt 200)

10 MΩ

Cable length

 

 

  • в—Џ shielded, max.

200 m

200 m; TC: 50 m

Analog value generation for the inputs

 

 

Measurement principle

Sigma Delta

Sigma Delta

Integration and conversion time/resolution per channel

 

 

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

16 bit; 10 bit to 15 bit + sign

16 bit; 10 bit to 15 bit + sign

  • в—Џ Integration time, parameterizable

Yes; 2.5 to 100 ms

Yes; 2.5 to 100 ms

  • в—Џ Interference voltage suppression for interference frequency f1 in Hz

10 to 400 Hz

10 to 400 Hz

Encoder

 

 

Connection of signal encoders

 

 

  • в—Џ for current measurement as 2-wire transducer

Yes

Yes

  • в—Џ for current measurement as 4-wire transducer

Yes

Yes

Errors/accuracies

 

 

Temperature error (relative to input range), (+/-)

0.001 %/K; Temperature error: 0.001 to 0.002 %/K

Operational error limit in overall temperature range

 

 

  • в—Џ Current, relative to input range, (+/-)

0.45 %

  • в—Џ Resistance thermometer, relative to input range, (+/-)

0.04 %; 0.09 to 0.04%

Basic error limit (operational limit at 25 °C)

 

 

  • в—Џ Current, relative to input range, (+/-)

0.1 %

  • в—Џ Resistance thermometer, relative to input range, (+/-)

0.008 %; 0.018 ... 0.008%

Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency

 

 

  • в—Џ Series mode interference (peak value of interference < rated value of input range), min.

60 dB

60 dB

  • в—Џ Common mode interference, min.

130 dB

130 dB

Interrupts/diagnostics/status information

 

 

Diagnostic functions

Yes

Yes

Diagnostic messages

 

 

  • в—Џ Diagnostic information readable

Yes

Yes

  • в—Џ Overrange

Yes

Yes

  • в—Џ Wire-break in signal transmitter cable

Yes

Yes

  • в—Џ Short-circuit of the signal encoder cable

Yes

Yes

Diagnostics indication LED

 

 

  • в—Џ Group error SF (red)

Yes

Yes

  • в—Џ Channel fault indicator F (red)

Yes

Yes

Ex(i) characteristics

 

 

Module for Ex(i) protection

Yes

Yes

Maximum values of input circuits (per channel)

 

 

  • в—Џ Co (permissible external capacity), max.

90 nF

43 µF

  • в—Џ Io (short-circuit current), max.

68.5 mA

28.8 mA

  • в—Џ Lo (permissible external inductivity), max.

7.5 mH

40 mH

  • в—Џ Po (power of load), max.

431 mW

41.4 mW

  • в—Џ Ri, max.

50 в„¦

  • в—Џ Uo (output no-load voltage), max.

25.2 V

5.9 V

Potential separation

 

 

Potential separation analog inputs

 

 

  • в—Џ Potential separation analog inputs

Yes

Yes

Permissible potential difference

 

 

between the inputs (UCM)

60 V DC/30 V AC when used in the hazardous area; 400 V DC/250 V AC when used in NON-hazardous area

60 V DC/30 V AC when used in the hazardous area; 400 V DC/250 V AC when used in NON-hazardous area

Between the inputs and MANA (UCM)

60 V DC/30 V AC when used in the hazardous area; 400 V DC/250 V AC when used in NON-hazardous area

60 V DC/30 V AC when used in the hazardous area; 400 V DC/250 V AC when used in NON-hazardous area

Use in hazardous areas

 

 

  • в—Џ Type of protection acc. to EN 50020 (CENELEC)

[EEx ib] IIC

[EEx ib] IIC

  • в—Џ Type of protection acc. to FM

Class I, Division 2, Group A, B, C, D T4

Class I, Division 2, Group A, B, C, D T4

  • в—Џ Test number PTB

Ex-96.D.2092X

Ex-96.D.2108X

Ambient conditions

 

 

Ambient temperature during operation

 

 

  • в—Џ max.

60 °C

60 °C

Connection method

 

 

required front connector

20-pin

20-pin

Weights

 

 

Weight, approx.

290 g

210 g


















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