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Siemens 6ES7331-7KB02-0AB0 S7-300 SM331 Analog Input front view
Siemens 6ES7331-7KB02-0AB0 S7-300 SM331 Analog Input side view
Siemens 6ES7331-7KB02-0AB0 S7-300 SM331 Analog Input detail view

Siemens 6ES7331-7KB02-0AB0 S7-300 SM331 Analog Input

Application: Isolated two-channel SM331 for voltage, current, thermocouple, RTD and resistance measurement.

Product familySIMATIC S7-300
Minimum order1 Piece
Applicable ratings2 AI; up to 14-bit plus sign
LifecycleProduct Cancellation
20 years of automation industry experience · Response within 24 hours
Inquire Now
  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer Siemens AG
Item number 6ES7331-7KB02-0AB0
Country of Origin Germany
Lead Time 2-3DAYS
After-Sales Support For after-sales support, please contact May.
HS Code / Commodity code Please confirm the destination before shipping
FAQ

Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.

Yes,we offer one year warranty for all new products.

Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.

Normally 3-5 working days,some remote areas 5-7 days more.

Product information
Order-control reference
6ES7331-7KB02-0AB0
2-CHANNEL UNIVERSAL ANALOG INPUT

Match every character of the complete ordering reference, including its suffix. A visually similar component or nearby model must not be treated as interchangeable unless the installed configuration is confirmed.

Exact-order technical data

6ES7331-7KB02-0AB0 Technical Data

Exact item scope
Analog capacityTwo input channels; one channel available for resistance measurement
Measurement typesVoltage, current, thermocouple, resistance thermometer and resistor
Current ranges0-20 mA, ±10 mA, ±20 mA, ±3.2 mA and 4-20 mA
Input resistance25 Ω on the documented current ranges
Maximum resolution15 bits including sign; selectable 9/12/14-bit measurement modes
Integration times2.5, 16.67, 20 or 100 ms
Power loss1 W typical
Connector and size20-pin front connector; 40 × 125 × 120 mm
Module weightApproximately 250 g
Model-specific application profile

Universal process-signal acquisition

The SM331 accepts several sensor technologies in one isolated S7-300 module. Each channel must be parameterized for its actual signal family and the corresponding wiring method.

Measurement roleAcquires mixed low-level and high-level analog process values
Maintenance featureRemoving and inserting is supported when the station uses an active backplane bus
Engineering checkKeep the configured range, sensor type and reference-junction method with the replacement

Commercial Confirmation

Industrial automation inspection and quotation support
Price and actual availabilityConfirmed for the requested quantity in the written quotation.
Supplied-item conditionIdentified in the quotation and order documents before purchase.
Warranty termsStated in the written quotation for the item being supplied.
Lead time and shippingPLC Autocontroller reference: 2–3 days. Actual timing is quoted by quantity, destination and required date.
Quote Preparation

Four details keep the quotation concise

ab@mooreplc.com
01Full item number
02Quantity
03Destination
04Required date
Product-Specific FAQ
Model-specific scope, verified data and ordering boundaries.
01

What measurement current is used for resistance-type transmitters?

The Siemens record gives a typical constant measurement current of 1.67 mA.

02

Can thermocouple temperature compensation be configured?

Yes. Internal compensation, an external compensation socket and a definable comparison-point temperature are listed.

03

What are the input destruction limits?

The voltage input permits 20 V continuously or 75 V for one second at the stated duty ratio; the current-input limit is 40 mA.

04

Which interference frequencies correspond to the selectable integration modes?

The published suppression frequencies are 400, 60, 50 and 10 Hz.

Additional Catalog References

Additional Automation Models

20 selected brand-model pairs
Brand Model Brand Model
OMRON C200H-MR833 Pro-face PS3650A-TY2-S
Lenze EL9800 MKS 0190-07970
Q-SWITCH 120065-002 KINT 3402121100 640-34021210XD-1BA 640-34021210XD-2BA
BERGER LAHR TLD012F 63401200001 HITACHI LPA302P-1
OPTO 22 001818K AC24 AT FAIVELEY 74030000 E2333
NIKON 4S018-659 PROVIBTECH TM0182-A50-B01-C00
RELIANCE 57C420 JENAER ANTRIEBSTECHNIK ECOSTEP 100-AJ-000-000
SANYO SDN-DR1-025 OPTO22 SNAP-AIMA-I
KULICKE & SOFFA AS-261-0-02 ENTEK 18605
MKS CDN500R-10 0190-37771 FISHER CL6821X1-A5 41B5222X422
Email InquiryRequest a quotation by emailSend the required brand, model and quantity for quotation.
ab@mooreplc.com

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