SIEMENS PLC SM331 6ES7331-7KF02-0AB0

About SIEMENS PLC SM331 6ES7331-7KF02-0AB0

Manufacturer SeriesS7 300Communication Protocols Profibus Mounting Type Rack Mount Output Type Analog SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, Resolution 9/12/14 bits, U/I/ the rmo couple/resistor, alarm, diagnostics, 1x 20-pole Removing/inserting with active back plane bus

Data Sheet 6ES7331-7KF02-0AB0

Product: 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: 4

• 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

• Constant measurement current for resistance-type transmitter, typ.: 1.67 mA

Input Ranges

Voltages

• 0 to +10 V: No

• 1 V to 5 V: Yes; Input resistance 100 k

• 1 V to 10 V: No

• -1 V to +1 V: Yes; Input resistance 10 M

• -10 V to +10 V: Yes; Input resistance 100 k

• -2.5 V to +2.5 V: Yes; Input resistance 100 k

• -250 mV to +250 mV: Yes; Input resistance 10 M

• -5 V to +5 V: Yes; Input resistance 100 k

• -50 mV to +50 mV: No

• -500 mV to +500 mV: Yes; Input resistance 10 M

• -80 mV to +80 mV: Yes; Input resistance 10 M

Currents

• 0 to 20 mA: Yes; Input resistance 25

• -10 mA to +10 mA: Yes; Input resistance 25

• -20 mA to +20 mA: Yes; Input resistance 25

• -3.2 mA to +3.2 mA: Yes; Input resistance 25

• 4 mA to 20 mA: Yes; Input resistance 25

Thermocouples

• Type E: Yes; Input resistance 10 M

• Type J: Yes; Input resistance 10 M

• Type K: Yes; Input resistance 10 M

• Type L: Yes; Input resistance 10 M

• Type N: Yes; Input resistance 10 M

• Type B, C, R, S, T, U, TXK/TXK(L) to GOST: No

Resistance Thermometers

• Ni 100: Yes; Standard; Input resistance 10 M

• Pt 100: Yes; Standard; Input resistance 10 M

• Cu 10, Ni 1000, LG-Ni 1000, Ni 120/200/500, Pt 1000/200/500: No

Resistors

• 0 to 150 : Yes; Input resistance 10 M

• 0 to 300 : Yes; Input resistance 10 M

• 0 to 600 : Yes; Input resistance 10 M

• 0 to 6000 : No

Thermocouple (TC)

• Temperature compensation: Parameterizable Yes; internal Yes; external with compensation socket Yes; definable comparison point Yes

• Characteristic linearization: Parameterizable Yes; for Types E, J, K, L, N; for resistance thermometers Pt100/Ni100

Cable Length

• Shielded, max.: 200 m; 50 m at 80 mV and thermocouples

Analog Value Generation

• Resolution with overrange: Max. 15 bit; Unipolar 9/12/12/14 bit; Bipolar 9/12/12/14 bit + sign

• Integration time, parameterizable: Yes; 2.5 / 16.67 / 20 / 100 ms

• Basic conversion time (ms): 3 / 17 / 22 / 102 ms

• Interference voltage suppression for frequency f1 (Hz): 400 / 60 / 50 / 10

Encoder

• Voltage measurement: Yes

• Current measurement as 2-wire/4-wire transducer: Yes

• Resistance measurement 2/3/4-wire connection: Yes

Errors/Accuracies

• Operational error limit (overall temperature range):

  • Voltage: 1 %; 1% (80 mV); 0.6% (250 mV1 000 mV); 0.8% (2.5 V10 V)

  • Current: 0.7 %; 3.220 mA

  • Resistance: 0.7 %; 150/300/600

  • Resistance thermometer: 0.7 % Pt100/Ni100; 0.8 % Pt100 climate

  • Thermocouple: 1.1 %; Types E, J, K, L, N

• Basic error limit (operational at 25 C):

  • Voltage: 0.6 %; 0.4 % (250 mV1 000 mV); 0.6 % (2.510 V); 0.7 % (80 mV)

  • Current: 0.5 %; 3.220 mA

  • Resistance: 0.5 %; 150/300/600

  • Resistance thermometer: 0.6 %; 0.5% Pt100/Ni100; 0.6% Pt100 climate

  • Thermocouple: 0.7 %; Types E, N, J, K, L

Interrupts/Diagnostics/Status Information

• Diagnostics function: Yes; Parameterizable

• Diagnostic alarm: Yes; Parameterizable, channels 0 and 2

• Limit value alarm: Yes; Parameterizable

• Diagnostic information readable: Yes

• Diagnostics LED: Group error SF (red) Yes

Potential Separation

• Between analog channels: No

• Between channels and backplane bus: Yes

• Between channels and power supply of electronics: Yes

Isolation

• Isolation tested with 500 V DC

Connection Method

• Required front connector: 20-pin

Dimensions

• Width: 40 mm

• Height: 125 mm

• Depth: 117 mm

Weight

• Approx. 250 g 

Technical Details