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Siemens 3RK7243-2AA30-0XB0 CM 1243-2 AS-i Master Communication Module

3RK7243-2AA30-0XB0
3RK7243-2AA30-0XB0
3RK7243-2AA30-0XB0

Siemens 3RK7243-2AA30-0XB0 CM 1243-2 AS-i Master Communication Module

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SIEMENS · SIMATIC S7-1200 / AS-Interface

3RK7243-2AA30-0XB0

CM 1243-2 AS-i Master Communication Module

MANUFACTURERSiemens
MODEL3RK7243-2AA30-0XB0
PART NUMBER3RK7243-2AA30-0XB0
PRODUCT TYPECM 1243-2 AS-i Master Communication Module
SYSTEM FAMILYSIMATIC S7-1200 / AS-Interface
ORDER SUPPORTModel Verification

INDUSTRIAL AUTOMATION SPARE PARTS PARTNER

20 Years of Experience in Industrial Automation Supply

AMIKON supplies industrial automation spare parts to maintenance, engineering and procurement teams worldwide. Our focus includes discontinued and hard-to-find DCS, PLC and TSI components, helping customers identify the correct model, source replacement parts and support urgent maintenance requirements.

Discontinued Parts SourcingModel Identification SupportGlobal Customer SupportIn-Stock Supply Support

  • Item NO.:

    3RK7243-2AA30-0XB0

  • Product Origin:

    Germany

  • Lead Time:

    IN STOCK

  • Brand/Manufature:

    Siemens

  • Product Origin:

    Germany

  • Lead Time:

    IN STOCK

  • Condition:

    Brand New And 100% Original

  • Certificate:

    Coo
Inquire Now

Siemens SIMATIC S7-1200 / AS-Interface

3RK7243-2AA30-0XB0

Price and Availability Inquiry

S7-1200 AS-Interface master communication module supporting AS-i specification V3.0 and up to 62 slaves.

Sales SupportDirect specialist contact
QuotationCurrent commercial details
DeliveryDHL · FedEx · UPS
Fast quotation support Send the model and required quantity directly to Lisa Lin using the contact options on the right.

Your AMIKON Contact

LL Lisa LinSales Specialist
WhatsApp +86 18965423501
Request a Quote on WhatsApp Send Email Inquiry
For faster service, please include the model 3RK7243-2AA30-0XB0 and required quantity in your inquiry.

Siemens 3RK7243-2AA30-0XB0

Technical Specifications

Model-specific technical and ordering data for 3RK7243-2AA30-0XB0.

01Product IdentityExact product identification
ManufacturerSiemens
Article Number3RK7243-2AA30-0XB0
DesignationCM 1243-2 AS-i Master
Host PlatformSIMATIC S7-1200
02AS-i NetworkModel-specific interface and function data
AS-i ConnectionRemovable screw-type terminal
AS-i Cable Current100 mA max.
Supported SlavesUp to 62
Max. Digital I/O496 inputs and 496 outputs
03Performance & PowerElectrical and application data
Transfer RateUp to 167 kbit/s
Cycle Time5 ms (31 slaves); 10 ms (62 slaves)
Backplane Current250 mA max.
Power LossApprox. 2.9 W
04InstallationMechanical and ordering details
Dimensions (W × H × D)30 × 100 × 75 mm
Mounting35 mm DIN rail with S7-1200
Protection RatingIP20
Terminal Block SupplyIncluded with CM 1243-2

Siemens 3RK7243-2AA30-0XB0 Product Support

Frequently Asked Questions

Product-specific configuration, application, installation and ordering guidance for 3RK7243-2AA30-0XB0.

01

Which controller can host the CM 1243-2 AS-i master?

It connects to a SIMATIC S7-1200 CPU through the backplane; Siemens limits the CPU to three communication modules in total.

02

Which AS-Interface generation should the field network follow?

The 3RK7243-2AA30-0XB0 master is specified for AS-Interface V3.0; verify each slave profile against the Siemens manual.

03

How should AS-i cycle time be assessed as the slave count grows?

Siemens cites up to 5 ms for 31 slave addresses; include AS-i cycle time, CPU exchange and program runtime in the application calculation.

04

Does this module provide a separate PROFINET or Ethernet socket?

No. Its field interface is AS-i and it communicates with the S7-1200 over the backplane.

05

How should an AS-i Power24V network be planned?

Siemens supports AS-i Power24V with this master; verify the power and any DCM 1271 arrangement against the network design.

06

Where can commissioning faults be checked?

Use the AS-i, PF, CM, CER and DIAG indicators and review the STEP 7 configuration and connected slaves.

07

Which parts should accompany a replacement order?

Specify 3RK7243-2AA30-0XB0 and check whether the removable screw terminal and any DCM accessory are also needed.

Order Fulfilment

Payment and Worldwide Delivery

AMIKON coordinates product verification, commercial confirmation, packing and international shipment for industrial automation parts. Each order is handled according to the confirmed model, quantity and delivery destination.

01

Order Confirmation

Model, part number, quantity, availability, lead time and payment terms are confirmed in the formal quotation or proforma invoice.

02

Product Preparation

The item reference is checked before dispatch. Packaging is selected to protect industrial components during international transport.

03

International Shipping

Shipment can be arranged through DHL, FedEx or UPS according to the destination, parcel size and confirmed order requirements.

04

Dispatch and Tracking

Dispatch information and the available tracking reference are shared after the shipment has been collected by the selected carrier.

AMIKON Service Standards

Support at Every Stage of Your Order

Clear assistance from initial product identification through dispatch and after-sales communication.

01
Product IdentificationThe manufacturer, complete model and part-number details are reviewed before quotation.
02
Dedicated Sales ContactLisa Lin provides quotation and order communication through email and WhatsApp.
03
Order DocumentationCommercial, packing and shipment details are supplied according to the confirmed order.
04
After-Sales CommunicationFor support, provide the order reference, product label, fault description and clear photos.
05
Pre-Dispatch VerificationThe product label, model reference, quantity and visible condition are checked against the confirmed order before packing.
06
Global Logistics CoordinationInternational express or freight arrangements are coordinated according to the destination, shipment size and confirmed delivery terms.
Important delivery information

Product availability, dispatch date, freight cost and delivery time depend on the confirmed order and destination. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order. Please contact AMIKON for current commercial and shipping details.

AMIKON Professional Services

Warranty, Sourcing and Global Export Support

With 20 years of experience in industrial automation, AMIKON supplies discontinued and hard-to-find DCS, PLC and TSI spare parts to customers worldwide.

01 · WARRANTY

12-Month Product Warranty

Products supplied by AMIKON include a standard 12-month warranty. Warranty handling is based on the confirmed order, product label, fault information and supporting photos or videos.

02 · SPECIALIST SOURCING

Discontinued and Hard-to-Find Parts

Our sourcing service focuses on industrial automation DCS, PLC and TSI spare parts, including obsolete, discontinued and scarce models required for maintenance and replacement projects.

03 · GLOBAL EXPORT LOGISTICS

One-Stop International Shipping

AMIKON can coordinate domestic export customs procedures and arrange international express or sea freight. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order.

04 · TECHNICAL INFORMATION

Model and Specification Support

We assist customers with model identification, specification review, compatibility checks and Datasheet or manual searches. Support also includes distinguishing earlier and later model versions and checking whether a submitted model reference is complete and correctly written.

05 · PRE-DISPATCH CHECK

Product Verification Before Shipment

The product label, complete model, part number, quantity and visible condition are reviewed against the confirmed order before packing.

06 · INDUSTRIAL PACKAGING

Secure Packing for International Transit

Packaging is selected according to the component type, shipment size and transport method to support safe international handling.

07 · ORDER DOCUMENTATION

Commercial and Shipping Documents

Commercial invoices, packing lists and available origin information can be prepared according to the confirmed order and destination requirements.

08 · AFTER-SALES SUPPORT

Responsive Order Follow-Up

For order support, customers can provide the order reference, product label, issue description and clear photos for review by the AMIKON team.

Need help identifying a spare part?Send the complete manufacturer, model, part number and clear product-label photos to Lisa Lin.

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