Siemens PLCs SIMATIC S7 analog input SM 331 Module 6ES7331-7SF00-0AB0

SIMATIC S7, SM 331 ANALOG INPUT

SIMATIC S7, SM 331 ANALOG INPUT

Supply voltage

Load voltage L+

● Rated value (DC)

24 V

24 V

● 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

● Rated value (DC)

13 V; at 22 mA

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

● Voltage

No

Yes

● Current

Yes

No

● Thermocouple

No

Yes

● Resistance thermometer

No

Yes

● Resistance

No

Yes

Input ranges (rated values), voltages

● -1 V to +1 V

Yes

— Input resistance (-1 V to +1 V)

10 MΩ

● -25 mV to +25 mV

Yes

— Input resistance (-25 mV to +25 mV)

10 MΩ

● -250 mV to +250 mV

Yes

— Input resistance (-250 mV to +250 mV)

10 MΩ

● -50 mV to +50 mV

Yes

— Input resistance (-50 mV to +50 mV)

10 MΩ

● -500 mV to +500 mV

Yes

— Input resistance (-500 mV to +500 mV)

10 MΩ

● -80 mV to +80 mV

Yes

— Input resistance (-80 mV to +80 mV)

10 MΩ

Input ranges (rated values), currents

● 0 to 20 mA

Yes

— Input resistance (0 to 20 mA)

50 Ω

● 4 mA to 20 mA

Yes

— Input resistance (4 mA to 20 mA)

50 Ω

Input ranges (rated values), thermocouples

● Type B

Yes

— Input resistance (Type B)

10 MΩ

● Type E

Yes

— Input resistance (Type E)

10 MΩ

● Type J

Yes

— Input resistance (type J)

10 MΩ

● Type K

Yes

— Input resistance (Type K)

10 MΩ

● Type L

Yes

— Input resistance (Type L)

10 MΩ

● Type N

Yes

— Input resistance (Type N)

10 MΩ

● Type R

Yes

— Input resistance (Type R)

10 MΩ

● Type S

Yes

— Input resistance (Type S)

10 MΩ

● Type T

Yes

— Input resistance (Type T)

10 MΩ

● Type U

Yes

— Input resistance (Type U)

10 MΩ