6ES7 331-7KB02-0AB0

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SIMATIC S7-300, analog input SM 331, isolated, 2 AI, resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole, removing/inserting with active backplane bus More

Code: 6ES7 331-7KB02-0AB0

Total in stock: 1 pcs External stock 1 pcs

Condition

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SIMATIC S7-300, analog input SM 331, isolated, 2 AI, resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole, removing/inserting with active backplane bus More

Code: 6ES7 331-7KB02-0AB0

Part Sales 1

Condition	Code	Warranty	Availability	Delivery Express?	Price excl. VAT
Used (U)	6ES7 331-7KB02-0AB0 U	3 months	In external stock 1 pcs	Within 2-4 days / Express	On request	Get a quote

Repair of the part

Name	Code	Delivery	Warranty	Price excl. VAT
Complete part repair	6ES7 331-7KB02-0AB0 O	3-6 weeks	24 months	On request	Enquire a repair

6ES7331-7KB02-0AB0 – SM 331

SIMATIC S7-300, analog input SM 331, isolated, 2 AI, resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole, removing/inserting with active backplane bus

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24 VSupply voltage / Load voltage L+ / Rated value (DC)

YesSupply voltage / Load voltage L+ / Reverse polarity protection

2Analog inputs / Number of analog inputs

Application and selection

Compare the complete order number and specifications below with the original part and machine wiring. Check the design, interfaces, supply voltage or connection method as applicable to this product.

Technical specifications

Manufacturer	Siemens
Order number	6ES7331-7KB02-0AB0
General information / Product function / Isochronous mode	No
Supply voltage / Load voltage L+ / Rated value (DC)	24 V
Supply voltage / Load voltage L+ / Reverse polarity protection	Yes
Input current / from load voltage L+ (without load), max.	30 mA
Input current / from backplane bus 5 V DC, max.	50 mA
Power loss / Power loss, typ.	1 W
Analog inputs / Number of analog inputs	2
Analog inputs / For resistance measurement	1
Analog inputs / permissible input voltage for voltage input (destruction limit),	20 V; continuous; 75 V for max. 1 s (mark to space ratio 1:20)
Analog inputs / permissible input current for current input (destruction limit),	40 mA
Analog inputs / Constant measurement current for resistance-type transmitter,	1.67 mA
Analog inputs / Input ranges / Voltage	Yes
Analog inputs / Input ranges / Current	Yes
Analog inputs / Input ranges / Thermocouple	Yes
Analog inputs / Input ranges / Resistance thermometer	Yes
Analog inputs / Input ranges / Resistance	Yes
Analog inputs / Input ranges (rated values), voltages / 0 to +10 V	No
Analog inputs / Input ranges (rated values), voltages / 1 V to 5 V	Yes
Analog inputs / Input ranges (rated values), voltages / Input resistance (1 V to 5 V)	100 kΩ
Analog inputs / Input ranges (rated values), voltages / 1 V to 10 V	No
Analog inputs / Input ranges (rated values), voltages / -1 V to +1 V	Yes
Analog inputs / Input ranges (rated values), voltages / Input resistance (-1 V to +1 V)	10 MΩ
Analog inputs / Input ranges (rated values), voltages / -10 V to +10 V	Yes
Analog inputs / Input ranges (rated values), voltages / Input resistance (-10 V to +10 V)	100 kΩ
Analog inputs / Input ranges (rated values), voltages / -2.5 V to +2.5 V	Yes
Analog inputs / Input ranges (rated values), voltages / Input resistance (-2.5 V to +2.5 V)	100 kΩ
Analog inputs / Input ranges (rated values), voltages / -250 mV to +250 mV	Yes
Analog inputs / Input ranges (rated values), voltages / Input resistance (-250 mV to +250 mV)	10 MΩ
Analog inputs / Input ranges (rated values), voltages / -5 V to +5 V	Yes
Analog inputs / Input ranges (rated values), voltages / Input resistance (-5 V to +5 V)	100 kΩ
Analog inputs / Input ranges (rated values), voltages / -50 mV to +50 mV	No
Analog inputs / Input ranges (rated values), voltages / -500 mV to +500 mV	Yes
Analog inputs / Input ranges (rated values), voltages / Input resistance (-500 mV to +500 mV)	10 MΩ
Analog inputs / Input ranges (rated values), voltages / -80 mV to +80 mV	Yes
Analog inputs / Input ranges (rated values), voltages / Input resistance (-80 mV to +80 mV)	10 MΩ
Analog inputs / Input ranges (rated values), currents / 0 to 20 mA	Yes
Analog inputs / Input ranges (rated values), currents / Input resistance (0 to 20 mA)	25 Ω
Analog inputs / Input ranges (rated values), currents / -10 mA to +10 mA	Yes
Analog inputs / Input ranges (rated values), currents / Input resistance (-10 mA to +10 mA)	25 Ω
Analog inputs / Input ranges (rated values), currents / -20 mA to +20 mA	Yes
Analog inputs / Input ranges (rated values), currents / Input resistance (-20 mA to +20 mA)	25 Ω
Analog inputs / Input ranges (rated values), currents / -3.2 mA to +3.2 mA	Yes
Analog inputs / Input ranges (rated values), currents / Input resistance (-3.2 mA to +3.2 mA)	25 Ω
Analog inputs / Input ranges (rated values), currents / 4 mA to 20 mA	Yes
Analog inputs / Input ranges (rated values), currents / Input resistance (4 mA to 20 mA)	25 Ω
Analog inputs / Input ranges (rated values), thermocouples / Type B	No
Analog inputs / Input ranges (rated values), thermocouples / Type E	Yes
Analog inputs / Input ranges (rated values), thermocouples / Input resistance (Type E)	10 MΩ
Analog inputs / Input ranges (rated values), thermocouples / Type J	Yes
Analog inputs / Input ranges (rated values), thermocouples / Input resistance (type J)	10 MΩ
Analog inputs / Input ranges (rated values), thermocouples / Type K	Yes
Analog inputs / Input ranges (rated values), thermocouples / Input resistance (Type K)	10 MΩ
Analog inputs / Input ranges (rated values), thermocouples / Type L	No
Analog inputs / Input ranges (rated values), thermocouples / Type N	Yes
Analog inputs / Input ranges (rated values), thermocouples / Input resistance (Type N)	10 MΩ
Analog inputs / Input ranges (rated values), thermocouples / Type R	No
Analog inputs / Input ranges (rated values), thermocouples / Type S	No
Analog inputs / Input ranges (rated values), thermocouples / Type T	No
Analog inputs / Input ranges (rated values), thermocouples / Type U	No
Analog inputs / Input ranges (rated values), thermocouples / Type TXK/TXK(L) to GOST	No
Analog inputs / Input ranges (rated values), resistance thermometer / Cu 10	No
Analog inputs / Input ranges (rated values), resistance thermometer / Ni 100	Yes
Analog inputs / Input ranges (rated values), resistance thermometer / Input resistance (Ni 100)	10 MΩ; Standard
Analog inputs / Input ranges (rated values), resistance thermometer / Ni 1000	No
Analog inputs / Input ranges (rated values), resistance thermometer / LG-Ni 1000	No
Analog inputs / Input ranges (rated values), resistance thermometer / Ni 120	No
Analog inputs / Input ranges (rated values), resistance thermometer / Ni 200	No
Analog inputs / Input ranges (rated values), resistance thermometer / Ni 500	No
Analog inputs / Input ranges (rated values), resistance thermometer / Pt 100	Yes
Analog inputs / Input ranges (rated values), resistance thermometer / Input resistance (Pt 100)	10 kΩ; Standard
Analog inputs / Input ranges (rated values), resistance thermometer / Pt 1000	No
Analog inputs / Input ranges (rated values), resistance thermometer / Pt 200	No
Analog inputs / Input ranges (rated values), resistance thermometer / Pt 500	No
Analog inputs / Input ranges (rated values), resistors / 0 to 150 ohms	Yes
Analog inputs / Input ranges (rated values), resistors / Input resistance (0 to 150 ohms)	10 MΩ
Analog inputs / Input ranges (rated values), resistors / 0 to 300 ohms	Yes
Analog inputs / Input ranges (rated values), resistors / Input resistance (0 to 300 ohms)	10 MΩ
Analog inputs / Input ranges (rated values), resistors / 0 to 600 ohms	Yes
Analog inputs / Input ranges (rated values), resistors / Input resistance (0 to 600 ohms)	10 MΩ
Analog inputs / Input ranges (rated values), resistors / 0 to 6000 ohms	No
Analog inputs / Thermocouple (TC) / Temperature compensation / Parameterizable	Yes
Analog inputs / Thermocouple (TC) / Temperature compensation / internal temperature compensation	Yes
Analog inputs / Thermocouple (TC) / Temperature compensation / external temperature compensation with	Yes
Analog inputs / Thermocouple (TC) / Temperature compensation / for definable comparison point temperature	Yes
Analog inputs / Thermocouple (TC) / Characteristic linearization / Parameterizable	Yes
Analog inputs / Thermocouple (TC) / Characteristic linearization / for thermocouples	Type E, J, K, L, N
Analog inputs / Thermocouple (TC) / Characteristic linearization / for resistance thermometer	Pt100 (standard, climatic range), Ni100 (standard, climatic range)
Analog inputs / Thermocouple (TC) / Cable length / shielded, max.	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
Analog value generation for the inputs / Integration and conversion time/resolution per channel / Integration time, parameterizable	Yes; 2,5 / 16,67 / 20 / 100 ms
Analog value generation for the inputs / Integration and conversion time/resolution per channel / Basic conversion time (ms)	3 / 17 / 22 / 102 ms
Analog value generation for the inputs / Integration and conversion time/resolution per channel / Interference voltage suppression for interference	400 / 60 / 50 / 10 Hz
Encoder / Connection of signal encoders / for voltage measurement	Yes
Encoder / Connection of signal encoders / for current measurement as 2-wire transducer	Yes
Encoder / Connection of signal encoders / for current measurement as 4-wire transducer	Yes
Encoder / Connection of signal encoders / for resistance measurement with two-wire connection	Yes
Encoder / Connection of signal encoders / for resistance measurement with three-wire connection	Yes
Encoder / Connection of signal encoders / for resistance measurement with four-wire connection	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)
Errors/accuracies / Operational error limit in overall temperature range / Current, relative to input range, (+/-)	0.7 %; From 3.2 to 20 mA
Errors/accuracies / Operational error limit in overall temperature range / Resistance, relative to input range, (+/-)	0.7 %; 150, 300, 600 Ohm
Errors/accuracies / Operational error limit in overall temperature range / Resistance thermometer, relative to input range, (+/-)	0.7 %; ±0.7 % (Pt100/ Ni100); ±0.8 % (Pt100 climate)
Errors/accuracies / Operational error limit in overall temperature range / Thermocouple, relative to input range, (+/-)	1.1 %; Type E, J, K, L, N
Errors/accuracies / Basic error limit (operational limit at 25 °C) / Voltage, relative to input range, (+/-)	0.6 %; ±0.6% (80 mV, 2.5 V to 10 V); ±0.4% (250 mV to 1 000 mV)
Errors/accuracies / Basic error limit (operational limit at 25 °C) / Current, relative to input range, (+/-)	0.5 %; 3.2 to 20 mA
Errors/accuracies / Basic error limit (operational limit at 25 °C) / Resistance, relative to input range, (+/-)	0.5 %; 150, 300, 600 Ohm
Errors/accuracies / Basic error limit (operational limit at 25 °C) / Resistance thermometer, relative to input range, (+/-)	0.6 %; ±0.5% (Pt100/ Ni100), ±0.6% (Pt100 climate)
Errors/accuracies / Basic error limit (operational limit at 25 °C) / Thermocouple, relative to input range, (+/-)	0.7 %; Type E, N, J, K, L
Interrupts/diagnostics/status information / Diagnostics function	Yes; Parameterizable
Interrupts/diagnostics/status information / Alarms / Diagnostic alarm	Yes
Interrupts/diagnostics/status information / Alarms / Limit value alarm	Yes; Parameterizable, channel 0
Interrupts/diagnostics/status information / Diagnoses / Diagnostic information readable	Yes
Interrupts/diagnostics/status information / Diagnostics indication LED / Group error SF (red)	Yes
Potential separation / Potential separation analog inputs / between the channels	No
Potential separation / Potential separation analog inputs / between the channels and backplane bus	Yes
Potential separation / Potential separation analog inputs / between the channels and the power supply of the	Yes; Not for 2-wire transmitters
Isolation / Isolation tested with	500 V DC
Connection method / required front connector	20-pin
Dimensions / Width	40 mm
Dimensions / Height	125 mm
Dimensions / Depth	120 mm
Weights / Weight, approx.	250 g
Product type designation	SM 331
Number of poles	20

Supported signals and ranges

Supply voltage / Load voltage L+ / Rated value (DC): 24 V
Supply voltage / Load voltage L+ / Reverse polarity protection: Yes
Input current / from load voltage L+ (without load), max.: 30 mA
Analog inputs / For resistance measurement: 1
Analog inputs / permissible input voltage for voltage input (destruction limit),: 20 V; continuous; 75 V for max. 1 s (mark to space ratio 1:20)
Analog inputs / Constant measurement current for resistance-type transmitter,: 1.67 mA
Analog inputs / Input ranges / Voltage: Yes
Analog inputs / Input ranges / Current: Yes

Scope of supply

We will confirm the exact version, package contents and related accessories before ordering. Package information in the technical table applies to the stated order number.

Frequently asked questions

Is the same product family enough to identify a replacement?

The complete order number is essential. If the type changes, compare the electrical and mechanical design, connections and requirements of the original application.

What information is needed to check connections and accessories?

Send a nameplate photo, the designations of related modules and connectors and, where needed, a wiring diagram. We will check the specific version for your application.

Can you assess a faulty part?

Yes. Send the complete order number and a description of the fault. We will check the diagnostic and professional repair options for your specific unit.

Why buy from FOXON

Replacement part availability

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New original and refurbished parts

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Parts with a warranty

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Diagnostics and repairs

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More than 3,500customers

We deliver tomore than 100 countries

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Part conditions available for sale

Part conditions and warranty

New, sealed (NC): Brand-new, unused part in unopened original packaging. 12-month warranty.
New, opened (NO): Brand-new and unused part, but the original packaging has been opened. 12-month warranty.
New, without packaging (NW): Brand-new and unused part, supplied without original packaging. 12-month warranty.
New (N): New and unused part, typically smaller components supplied in multi-packs in one original package. 12-month warranty.
Refurbished (R): Part has been removed from service, cleaned, inspected and tested to meet original functionality and quality. 12-month warranty.
Used, tested (T): Functional used part that has passed full testing. 6-month warranty.
Used (U): Functional used part. 3-month warranty.

Sales, repairs and buyback of automation parts

We supply replacement parts for industrial automation and assess faulty units for diagnostics and repair. We also buy surplus parts. Send the exact designation and required quantity.

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