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SIMATIC S7-300 – SM 331 Analog Input Modules – Siemens Analog Modules

$ 391.00$ 1,653.70

SKU N/A Category

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

Siemens Analog Input Modules SIMATIC S7-300 Product Specifications:

Article number 6ES7331-7KF02-0AB0 6ES7331-7HF01-0AB0 6ES7331-1KF02-0AB0 6ES7331-7KB02-0AB0
SM331, 8AI, 9/12/14Bit SM331, 8AI, 14BIT, 0,052MS/channel SM331, 8AI, 13bit SM331, 2AI, 9/12/14Bit
Supply voltage
Load voltage L+
● Rated value (DC) 24 V 24 V 24 V
● Reverse polarity protection Yes Yes Yes
Input current
from load voltage L+ (without load), max. 30 mA 50 mA 30 mA
from backplane bus 5 V DC, max. 50 mA 100 mA 90 mA 50 mA
Power loss
Power loss, typ. 1 W 1.5 W 0.4 W 1 W
Analog inputs
Number of analog inputs 8 8 8 2
● For resistance measurement 4 8 1
permissible input voltage for voltage input (destruction limit), max. 20 V; continuous; 75 V for max. 1 s (mark to space ratio 1:20) 20 V; 20 V DC permanent, 75 V DC for max. 1 s (duty factor 1:20) 30 V; 12 V continuous, 30 V for max. 1 s 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 40 mA 40 mA 40 mA
Constant measurement current for resistance-type transmitter, typ. 1.67 mA 1.67 mA
Input ranges
● Voltage Yes Yes Yes Yes
● Current Yes Yes Yes Yes
● Thermocouple Yes No No Yes
● Resistance thermometer Yes No Yes Yes
● Resistance Yes No Yes Yes
Input ranges (rated values), voltages
● 0 to +10 V No No Yes No
— Input resistance (0 to 10 V) 100 kΩ
● 1 V to 5 V Yes Yes Yes Yes
— Input resistance (1 V to 5 V) 100 kΩ 100 kΩ 100 kΩ 100 kΩ
● 1 V to 10 V No No No
● -1 V to +1 V Yes Yes Yes Yes
— Input resistance (-1 V to +1 V) 10 MΩ 10 MΩ 100 kΩ 10 MΩ
● -10 V to +10 V Yes Yes Yes Yes
— Input resistance (-10 V to +10 V) 100 kΩ 100 kΩ 100 kΩ 100 kΩ
● -2.5 V to +2.5 V Yes No Yes
— Input resistance (-2.5 V to +2.5 V) 100 kΩ 100 kΩ
● -250 mV to +250 mV Yes No Yes
— Input resistance (-250 mV to +250 mV) 10 MΩ 10 MΩ
● -5 V to +5 V Yes Yes Yes Yes
— Input resistance (-5 V to +5 V) 100 kΩ 100 kΩ 100 kΩ 100 kΩ
● -50 mV to +50 mV No Yes No
— Input resistance (-50 mV to +50 mV) 100 kΩ
● -500 mV to +500 mV Yes Yes Yes Yes
— Input resistance (-500 mV to +500 mV) 10 MΩ 100 kΩ 10 MΩ
● -80 mV to +80 mV Yes Yes No Yes
— Input resistance (-80 mV to +80 mV) 10 MΩ 10 MΩ
Input ranges (rated values), currents
● 0 to 20 mA Yes Yes Yes Yes
— Input resistance (0 to 20 mA) 25 Ω 50 Ω 100 Ω 25 Ω
● -10 mA to +10 mA Yes No Yes
— Input resistance (-10 mA to +10 mA) 25 Ω 25 Ω
● -20 mA to +20 mA Yes Yes Yes Yes
— Input resistance (-20 mA to +20 mA) 25 Ω 50 Ω 100 Ω 25 Ω
● -3.2 mA to +3.2 mA Yes No Yes
— Input resistance (-3.2 mA to +3.2 mA) 25 Ω 25 Ω
● 4 mA to 20 mA Yes Yes Yes Yes
— Input resistance (4 mA to 20 mA) 25 Ω 50 Ω 100 Ω 25 Ω
Input ranges (rated values), thermocouples
● Type B No No No
● Type C No No
● Type E Yes No Yes
— Input resistance (Type E) 10 MΩ 10 MΩ
● Type J Yes No Yes
— Input resistance (type J) 10 MΩ 10 MΩ
● Type K Yes No Yes
— Input resistance (Type K) 10 MΩ 10 MΩ
● Type L Yes No No
— Input resistance (Type L) 10 MΩ
● Type N Yes No Yes
— Input resistance (Type N) 10 MΩ 10 MΩ
● Type R No No No
● Type S No No No
● Type T No No No
● Type U No No No
● Type TXK/TXK(L) to GOST No No No
Input ranges (rated values), resistance thermometer
● Cu 10 No No No
● Ni 100 Yes; Standard Yes; Standard/climate Yes
— Input resistance (Ni 100) 10 MΩ 100 MΩ 10 MΩ; Standard
● Ni 1000 No Yes No
— Input resistance (Ni 1000) 100 MΩ
● LG-Ni 1000 No Yes; Standard/climate No
— Input resistance (LG-Ni 1000) 100 MΩ
● Ni 120 No No No
● Ni 200 No No No
● Ni 500 No No No
● Pt 100 Yes; Standard Yes; Standard/climate Yes
— Input resistance (Pt 100) 10 MΩ 100 MΩ 10 kΩ; Standard
● Pt 1000 No No No
● Pt 200 No No No
● Pt 500 No No No
Input ranges (rated values), resistors
● 0 to 150 ohms Yes No Yes
— Input resistance (0 to 150 ohms) 10 MΩ 10 MΩ
● 0 to 300 ohms Yes No Yes
— Input resistance (0 to 300 ohms) 10 MΩ 10 MΩ
● 0 to 600 ohms Yes Yes Yes
— Input resistance (0 to 600 ohms) 10 MΩ 100 MΩ 10 MΩ
● 0 to 6000 ohms No Yes No
— Input resistance (0 to 6000 ohms) 100 MΩ
Thermocouple (TC)
Temperature compensation
— parameterizable Yes No Yes
— internal temperature compensation Yes No Yes
— external temperature compensation with compensations socket Yes No Yes
— for definable comparison point temperature Yes Yes
Characteristic linearization
● parameterizable Yes Yes Yes
— for thermocouples Type E, J, K, L, N No Type E, J, K, L, N
— for resistance thermometer Pt100 (standard, climatic range), Ni100 (standard, climatic range) yes; Pt100 standard/air con.; Ni100 standard/air con.; Ni1000 standard/air con.; LG-Ni1000 standard/air con. Pt100 (standard, climatic range), Ni100 (standard, climatic range)
Cable length
● shielded, max. 200 m; 50 m at 80 mV and thermocouples 200 m 200 m; max. 50 m at 50 mV 200 m; 50 m at 80 mV and thermocouples
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 15 bit; Unipolar: 9/12/12/14 bit; bipolar: 9 bit + sign/12 bit + sign/12 bit + sign/14 bit + sign 14 bit; Unipolar: 14 bit; bipolar: 13 bit + sign 13 bit 15 bit; Unipolar: 9/12/12/14 bit; bipolar: 9 bit + sign/12 bit + sign/12 bit + sign/14 bit + sign
● Integration time, parameterizable Yes; 2,5 / 16,67 / 20 / 100 ms Yes Yes; 60 / 50 ms Yes; 2,5 / 16,67 / 20 / 100 ms
● Basic conversion time (ms) 3 / 17 / 22 / 102 ms 52 µs per channel 66 / 55 ms 3 / 17 / 22 / 102 ms
● Interference voltage suppression for interference frequency f1 in Hz 400 / 60 / 50 / 10 Hz none / 400 / 60 / 50 Hz 50 / 60 Hz 400 / 60 / 50 / 10 Hz
Encoder
Connection of signal encoders
● for voltage measurement Yes Yes Yes
● for current measurement as 2-wire transducer Yes Yes Yes; with external supply Yes
● for current measurement as 4-wire transducer Yes Yes Yes Yes
● for resistance measurement with two-wire connection Yes Yes Yes
● for resistance measurement with three-wire connection Yes Yes Yes
● for resistance measurement with four-wire connection Yes Yes Yes
Errors/accuracies
Operational error limit in overall temperature range
● Voltage, relative to input range, (+/-) 1 %; ±1% (80 mV); ±0.6% (250 mV to 1 000 mV); ±0.8% (2.5 V to 10 V) 0.4 % 0.6 %; ±0.6 % (±5 V, 10 V, 1 to 5 V, 0 to 10 V); ±0.5 % (±50 mV, 500 mV, 1 V) 1 %; ±1% (80 mV); ±0.6% (250 mV to 1 000 mV); ±0.8% (2.5 V to 10 V)
● Current, relative to input range, (+/-) 0.7 %; From 3.2 to 20 mA 0.3 % 0.5 %; ±20 mA, 0 to 20 mA, 4 to 20 mA 0.7 %; From 3.2 to 20 mA
● Resistance, relative to input range, (+/-) 0.7 %; 150, 300, 600 Ohm 0.5 %; 0 to 6 kohms, 0 to 600 kohms 0.7 %; 150, 300, 600 Ohm
● Resistance thermometer, relative to input range, (+/-) 0.7 %; ±0.7 % (Pt100/ Ni100); ±0.8 % (Pt100 climate) 1 Kelvin (Pt100, Ni100, climatic; Ni1000, LG-Ni1000, standard; Ni1000, LG-Ni1000, climatic); 1.2 Kelvin (Pt100, Ni100, standard) 0.7 %; ±0.7 % (Pt100/ Ni100); ±0.8 % (Pt100 climate)
● Thermocouple, relative to input range, (+/-) 1.1 %; Type E, J, K, L, N 1.1 %; Type E, J, K, L, N
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input range, (+/-) 0.6 %; ±0.4 % (250 mV to 1 000 mV); ±0.6 % (2.5 mV to 10 mV); ±0.7 % (80 mV) 0.25 % 0.4 %; 0.4% (±5 V, 10 V, 1 to 5 V, 0 to 10 V); 0.3% (±50 mV, 500 mV, 1 V) 0.6 %; ±0.6% (80 mV, 2.5 V to 10 V); ±0.4% (250 mV to 1 000 mV)
● Current, relative to input range, (+/-) 0.5 %; 3.2 to 20 mA 0.2 % 0.3 %; ±20 mA, 0 to 20 mA, 4 to 20 mA 0.5 %; 3.2 to 20 mA
● Resistance, relative to input range, (+/-) 0.5 %; 150, 300, 600 Ohm 0.3 %; 0 to 6 kohms, 0 to 600 kohms 0.5 %; 150, 300, 600 Ohm
● Resistance thermometer, relative to input range, (+/-) 0.6 %; ±0.5% (Pt100/ Ni100), ±0.6% (Pt100 climate) 1 Kelvin (Pt100, Ni100, standard); 0.8 Kelvin (Pt100, Ni100, climatic; Ni1000, LG-Ni1000, standard; Ni1000, LG-Ni1000, climatic) 0.6 %; ±0.5% (Pt100/ Ni100), ±0.6% (Pt100 climate)
● Thermocouple, relative to input range, (+/-) 0.7 %; Type E, N, J, K, L 0.7 %; Type E, N, J, K, L
Interrupts/diagnostics/status information
Diagnostics function Yes; Parameterizable Yes No Yes; Parameterizable
Alarms
● Diagnostic alarm Yes; Parameterizable, channels 0 and 2 Yes; Parameterizable No Yes
● Limit value alarm Yes; Parameterizable Yes; Parameterizable, channels 0 and 2 No Yes; Parameterizable, channel 0
Diagnoses
● Diagnostic information readable Yes Yes No Yes
Diagnostics indication LED
● Group error SF (red) Yes Yes No Yes
Potential separation
Potential separation analog inputs
● between the channels No No No No
● between the channels and backplane bus Yes Yes Yes Yes
● between the channels and the power supply of the electronics Yes Yes Yes; Not for 2-wire transmitters
Isolation
Isolation tested with 500 V DC 500 V DC 500 V DC 500 V DC
connection method / header
required front connector 20-pin 20-pin 40-pin 20-pin
Dimensions
Width 40 mm 40 mm 40 mm 40 mm
Height 125 mm 125 mm 125 mm 125 mm
Depth 117 mm 117 mm 117 mm 120 mm
Weights
Weight, approx. 250 g 230 g 250 g 250 g

 

Article number 6ES7331-7PF01-0AB0 6ES7331-7PF11-0AB0 6ES7331-7PE10-0AB0 6ES7331-7NF00-0AB0 6ES7331-7NF10-0AB0
SM331, 8AI, resistor, PT100/200/1000, . SM331, 8AI, 16BIT, Thermocouples SM331, 6AI, 16bit, Thermocouple SM331,8AI,+/-5/10V,1-5V,+/-20mA,0/4-20mA SM331,8AI,+/-5/10V,1-5V,+/-20mA,0/4-20mA
Supply voltage
Load voltage L+
● Rated value (DC) 24 V 24 V 24 V 24 V
● Reverse polarity protection Yes Yes Yes Yes
Input current
from load voltage L+ (without load), max. 240 mA 240 mA 150 mA 200 mA
from backplane bus 5 V DC, max. 100 mA 100 mA 100 mA 130 mA 100 mA
Power loss
Power loss, typ. 4.6 W 3 W 2.2 W 0.6 W 3 W
Analog inputs
Number of analog inputs 8 8 6 8 8
● For resistance measurement 8
permissible input voltage for voltage input (destruction limit), max. 75 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20) 75 V; 20 V DC permanent, 75 V DC for max. 1 s (duty factor 1:20) 35 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20) 50 V; Permanent 75 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20)
permissible input current for current input (destruction limit), max. 32 mA 40 mA
Constant measurement current for resistance-type transmitter, typ. 0.7 mA 0.7 mA
Input ranges
● Voltage No No Yes Yes Yes
● Current No No No Yes Yes
● Thermocouple No Yes Yes No No
● Resistance thermometer Yes No No No No
● Resistance Yes No No No No
Input ranges (rated values), voltages
● 0 to +10 V No No No No No
● 1 V to 5 V No No No Yes Yes
— Input resistance (1 V to 5 V) 2 MΩ 10 MΩ
● 1 V to 10 V No No No No No
● -1 V to +1 V No No Yes No No
— Input resistance (-1 V to +1 V) 10 MΩ
● -10 V to +10 V No No No Yes Yes
— Input resistance (-10 V to +10 V) 2 MΩ 10 MΩ
● -2.5 V to +2.5 V No No No No No
● -250 mV to +250 mV No No Yes No No
— Input resistance (-250 mV to +250 mV) 10 MΩ
● -5 V to +5 V No No No Yes Yes
— Input resistance (-5 V to +5 V) 2 MΩ 10 MΩ
● -50 mV to +50 mV No No Yes No No
— Input resistance (-50 mV to +50 mV) 10 MΩ
● -500 mV to +500 mV No No Yes No No
— Input resistance (-500 mV to +500 mV) 10 MΩ
● -80 mV to +80 mV No No Yes No No
— Input resistance (-80 mV to +80 mV) 10 MΩ
Input ranges (rated values), currents
● 0 to 20 mA No No No Yes Yes
— Input resistance (0 to 20 mA) 250 Ω 250 Ω
● -10 mA to +10 mA No No No No No
● -20 mA to +20 mA No No No Yes Yes
— Input resistance (-20 mA to +20 mA) 250 Ω 250 Ω
● -3.2 mA to +3.2 mA No No No No No
● 4 mA to 20 mA No No No Yes Yes
— Input resistance (4 mA to 20 mA) 250 Ω 250 Ω
Input ranges (rated values), thermocouples
● Type B No Yes Yes No No
— Input resistance (Type B) 10 MΩ
● Type C No Yes Yes No No
— Input resistance (Type C) 10 MΩ
● Type E No Yes Yes No No
— Input resistance (Type E) 10 MΩ
● Type J No Yes Yes No No
— Input resistance (type J) 10 MΩ
● Type K No Yes Yes No No
— Input resistance (Type K) 10 MΩ
● Type L No Yes Yes No No
— Input resistance (Type L) 10 MΩ
● Type N No Yes Yes No No
— Input resistance (Type N) 10 MΩ
● Type R No Yes Yes No No
— Input resistance (Type R) 10 MΩ
● Type S No Yes Yes No No
— Input resistance (Type S) 10 MΩ
● Type T No Yes Yes No No
— Input resistance (Type T) 10 MΩ
● Type U No Yes Yes No No
— Input resistance (Type U) 10 MΩ
● Type TXK/TXK(L) to GOST No Yes Yes No No
— Input resistance (Type TXK/TXK(L) to GOST) 10 MΩ
Input ranges (rated values), resistance thermometer
● Cu 10 Yes No No No No
● Ni 100 Yes No No No No
● Ni 1000 Yes No No No No
● LG-Ni 1000 Yes No No No No
● Ni 120 Yes No No No No
● Ni 200 Yes No No No No
● Ni 500 Yes No No No No
● Pt 100 Yes No No No No
● Pt 1000 Yes No No No No
● Pt 200 Yes No No No No
● Pt 500 Yes No No No No
Input ranges (rated values), resistors
● 0 to 150 ohms Yes No No No No
● 0 to 300 ohms Yes No No No No
● 0 to 600 ohms Yes No No No No
● 0 to 6000 ohms No No No No
Thermocouple (TC)
Temperature compensation
— parameterizable Yes Yes
— internal temperature compensation Yes Yes
— external temperature compensation with Pt100 Yes Yes
— external temperature compensation with compensations socket Yes Yes
— for definable comparison point temperature Yes Yes
Characteristic linearization
● parameterizable Yes Yes Yes
— for thermocouples Type B, E, J, K, L, N, R, S. T, U, C Type B, E, J, K, L, N, R, S. T, U, C, TXK, XK(L)
— for resistance thermometer Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10; (standard/climate) No
Cable length
● shielded, max. 200 m 100 m 200 m 200 m 200 m
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 16 bit; Two’s complement 16 bit; Two’s complement 16 bit; Two’s complement 16 bit; Unipolar: 15/15/15/15 bit; bipolar: 15 bit + sign/15 bit + sign/15 bit + sign/15 bit + sign 16 bit; Unipolar: 15/15/15/15 bit; bipolar: 15 bit + sign/15 bit + sign/15 bit + sign/15 bit + sign
● Integration time, parameterizable Yes Yes Yes Yes; 10/ 16.67/ 20/ 100 ms Yes; 23 / 72 / 83 / 95 ms
● Basic conversion time (ms) up to 4 channels: 10 ms per module, over 5 channels: 190 ms per module, 8 channels: 80 ms Up to 4 channels: 10 ms per module, 5 channels upwards: 190 ms per module 30 / 50 / 60 / 300 ms 10 ms (4-channel mode); 95/83/72/23 ms (8-channel mode)
● Integration time (ms) 10/ 16.67/ 20/ 100 ms
● Interference voltage suppression for interference frequency f1 in Hz 400 / 60 / 50 Hz 400 / 60 / 50 Hz 10 / 50 / 60 / 400 Hz 400 / 60 / 50 / 10 Hz 400 / 60 / 50 Hz, combinations of 400, 60, 50 Hz
Encoder
Connection of signal encoders
● for voltage measurement Yes Yes Yes
● for current measurement as 2-wire transducer Yes; with external transmitter; possible with separate supply for transmitter Yes; with external transmitter, current supply; possible with separate supply for transmitter
● for current measurement as 4-wire transducer Yes Yes
● for resistance measurement with two-wire connection Yes; without resistance correction
● for resistance measurement with three-wire connection Yes
● for resistance measurement with four-wire connection Yes
Errors/accuracies
Operational error limit in overall temperature range
● Voltage, relative to input range, (+/-) ±1 K Operating error at 0 … 60 °C: ±0.12% @ ±25 mV, ±0.08% @ ±50 mV, ±0.6% @ ±80 mV, ±0.05% @ ±250 mV, ±0.05% @ 500 mV, ±0.05% @ ±1 V 0.1 %; At Ucm = 0 V or ±0.7 % at Ucm = 50 V 0.1 %
● Current, relative to input range, (+/-) 0.3 %; At Ucm = 0 V or ±0.9 % at Ucm = 50 V 0.1 %
● Resistance, relative to input range, (+/-) 0.1 %
● Resistance thermometer, relative to input range, (+/-) ±1 K
● Thermocouple, relative to input range, (+/-) Type T: ±0.18%, Type U: ±0.15%, Type E: ±0.12%, Type J: ±0.12%, Type L: ±0.17%, Type K: ±0.15%, Type N: ±0.17%, Type R: ±0.08%, Type S: ±0.10%, Type B: ±0.13%, Type C: ±0.10%, TXK/XK(L): ±1.00% accuracy in the lower range of the characteristic curve See manual for details
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input range, (+/-) See manual for details 0.05 % 0.05 %
● Current, relative to input range, (+/-) 0.05 % 0.05 %
● Resistance, relative to input range, (+/-) 0.05 %
● Resistance thermometer, relative to input range, (+/-) ±0.5 K
● Thermocouple, relative to input range, (+/-) Type T: ±0.13%, Type U: ±0.08%, Type E: ±0.05%, Type J: ±0.04%, Type L: ±0.06%, Type K: ±0.04%, Type N: ±0.04%, Type R: ±0.03%, Type S: ±0.03%, Type B: ±0.05%, Type C: ±0.02%, TXK/XK(L): ±0.67 % accuracy in the lower range of the characteristic curve See manual for details
Interrupts/diagnostics/status information
Diagnostics function Yes; Parameterizable Yes; Parameterizable Yes; Parameterizable Yes; Parameterizable Yes; Parameterizable
Alarms
● Diagnostic alarm Yes; Parameterizable per group Yes; Parameterizable per group Yes; channel by channel Yes; Parameterizable Yes; Parameterizable
● Limit value alarm Yes; Parameterizable Yes; Parameterizable Yes; Parameterizable Yes; Parameterizable, channels 0 and 2 Yes; Parameterizable all channels (end of cycle interrupt is also supported across modules)
● Hardware interrupt Yes; Parameterizable, channels 0 to 7 Yes; Parameterizable, channels 0 to 7 Yes; Parameterizable Yes; Parameterizable, channels 0 to 7 (on exceeding limit value), at end of cycle
Diagnoses
● Diagnostic information readable Yes Yes Yes Yes Yes
Diagnostics indication LED
● Group error SF (red) Yes Yes Yes Yes Yes
Potential separation
Potential separation analog inputs
● between the channels Yes Yes Yes No Yes
● between the channels, in groups of 2 2 1 2 2
● between the channels and backplane bus Yes Yes Yes Yes Yes
● between the channels and the power supply of the electronics Yes Yes Yes Yes
Isolation
Isolation tested with 500 V DC 500 V DC 2 500 V DC 500 V DC 500 V AC
connection method / header
required front connector 40-pin 40-pin 40-pin 40-pin 40-pin
Dimensions
Width 40 mm 40 mm 40 mm 40 mm 40 mm
Height 125 mm 125 mm 125 mm 125 mm 125 mm
Depth 120 mm 120 mm 120 mm 117 mm 117 mm
Weights
Weight, approx. 272 g 272 g 272 g 272 g 272 g

 

Additional information

Weight N/A
Dimensions N/A

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