Data Sheet

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Data sheet 6ES7331-7KF02-0AB0

SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, Resolution

9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-

pole Removing/inserting with active backplane bus

Supply voltage

Load voltage L+

● Rated value (DC)

24V

● Reverse polarity protection

Yes

Input current

from load voltage L+ (without load), max. 30mA

from backplane bus 5 V DC, max. 50mA

Power loss

Power loss, typ. 1W

Analog inputs

Number of analog inputs 8

● For resistance measurement

permissible input voltage for voltage input

(destruction limit), max.

20V; continuous; 75 V for max. 1 s (mark to space ratio 1:20)

permissible input current for current input (destruction

limit), max.

40mA

6ES7331-7KF02-0AB0 Subject to change without notice

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Summary of content (5 pages)

PAGE 1
Data sheet 6ES7331-7KF02-0AB0 SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20pole Removing/inserting with active backplane bus Supply voltage Load voltage L+ ● Rated value (DC) 24 V ● Reverse polarity protection Yes Input current from load voltage L+ (without load), max. 30 mA from backplane bus 5 V DC, max. 50 mA Power loss Power loss, typ.
PAGE 2
Input ranges ● Voltage Yes ● Current Yes ● Thermocouple Yes ● Resistance thermometer Yes ● Resistance Yes Input ranges (rated values), voltages ● 0 to +10 V No ● 1 V to 5 V Yes ● Input resistance (1 V to 5 V) 100 kΩ ● 1 V to 10 V No ● -1 V to +1 V Yes ● Input resistance (-1 V to +1 V) 10 MΩ ● -10 V to +10 V Yes ● Input resistance (-10 V to +10 V) 100 kΩ ● -2.5 V to +2.5 V Yes ● Input resistance (-2.5 V to +2.
PAGE 3
● 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 No ● Type S No ● Type T No ● Type U No ● Type TXK/TXK(L) to GOST No Input ranges (rated values), resistance thermometer ● Cu 10 No ● Ni 100 Yes; Standard ● Input resistance (Ni 100) 10 MΩ ● Ni 1000 No ● LG-Ni 1000 No ● Ni 120 No ● Ni 200 No
PAGE 4
— external temperature compensation with compensations socket Yes — for definable comparison point temperature Yes Characteristic linearization ● parameterizable Yes — for thermocouples Type E, J, K, L, N — for resistance thermometer Pt100 (standard, climatic range), Ni100 (standard, climatic range) Cable length ● shielded, max.
PAGE 5
● Resistance thermometer, relative to input range, (+/-) 0.6 %; ±0.5% (Pt100/ Ni100), ±0.