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SIEMENS 6ES7197-1LB00-0XA0 SIMATIC S7 Y-Coupler Hardware Module

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SIMATIC S7

REDUNDANT COMMUNICATION LINK

6ES7197-1LB00-0XA0

Y Coupler

Coupling element for building a Y-Link between redundant controller-side paths and one subordinate fieldbus segment.

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Y-LINK

Redundant controller architecture

2 TO 1

Dual paths to one segment

0.245 kg

Approximate net weight

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Miya zheng

EMAIL / sales@amikon.cn

PHONE / WHATSAPP / 86-18020776792

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Product Details

SIEMENS / Y-LINK COUPLER

SIMATIC S7 / REDUNDANT COMMUNICATION

6ES7197-1LB00-0XA0

Y COUPLER

This SIMATIC S7 Y coupler is used to assemble a Y-Link for redundant controllers. It provides the coupling point where two redundant upper communication paths converge into a subordinate fieldbus segment for compatible downstream devices.

2 PATHS

Redundant controller-side connection

1 SEGMENT

Downstream fieldbus transition

Y-LINK

High-availability communication role

Application fit: Use the Y coupler only within a correctly engineered Y-Link. Confirm controller family, adjacent modules, bus type, baud rate, addresses, cable, connectors and termination before purchase.

01	Product function Y coupler for redundant controllers

02	Architecture Part of a complete Y-Link assembly

03	Upper connection Receives the redundant communication paths

04	Lower connection Feeds the subordinate bus segment

05	Net weight Approximately 0.245 kg

06	Package size Approximately 13.2 x 15.1 x 5.1 cm

07	Origin Germany

08	Selection focus Adjacent link modules, bus settings, connectors and termination

HOW THE PRODUCT FITS THE CONTROL PATH

Redundant side

The Y-Link receives two controller-side communication paths so the subordinate segment can remain accessible through the available path.

Downstream side

Compatible fieldbus devices connect below the Y-Link through one subordinate segment. Addressing, transmission rate and termination must form one valid network.

Coupling role

The Y coupler is an active architectural element, not a passive connector. It must be selected together with the required link modules and bus accessories.

ENGINEERING AND COMMISSIONING CHECKS

01 Confirm the redundant controller and bus architecture.	02 Match adjacent Y-Link modules and hardware levels.
03 Verify lower-segment baud rate and station addresses.	04 Inspect cable type, connectors and termination.
05 Reserve correct DIN-rail space and power arrangement.	06 Test both paths and downstream communication after replacement.

Need an exact match?CONTACT MIYA

SYSTEM RELATIONSHIP

Where the Redundant Paths Converge

A Y-Link receives the two redundant controller-side paths and provides the transition to the subordinate bus segment. The Y coupler is one element of that assembly; the upstream interface modules, lower-level bus devices, addresses, transmission settings and termination must all match the planned architecture.

6ES7197-1LB00-0XA0

Y coupler

Core coupling element for a Y-Link in redundant controller systems

Redundant controller interfaces

Two upper-level communication paths

Provide the paired paths that feed the Y-Link

Downstream bus devices

Single lower-level segment

Connected through the Y-Link rather than directly to both controllers

Bus connectors and termination

Physical network completion

Must match cable type, baud rate, segment rules and topology

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DIRECT PURCHASE SUPPORT

One Contact, Clear Follow-Through

Sales manager
Miya zheng

EMAIL / SALES@AMIKON.CN

WHATSAPP / 86-18020776792

Returns and replacement: Contact us within 7 days after delivery if a concern arises. Keep the item in its original condition and state the reason. A refund or replacement is arranged after the returned item arrives and is checked. Return shipping costs are borne by the buyer.

PURCHASE DECISION QUESTIONS

FAQ for 6ES7197-1LB00-0XA0

01	Can 6ES7197-1LB00-0XA0 create redundancy by itself? No. It is the Y coupler within a complete Y-Link. Redundant controllers, the required link modules, connectors, cables, configured addresses and downstream bus devices are also required.
02	What topology details are needed before ordering 6ES7197-1LB00-0XA0? Confirm the controller family, both redundant bus paths, adjacent Y-Link modules, lower bus type, transmission rate, station addresses, connector style, termination and available mounting space.
03	Can 6ES7197-1LB00-0XA0 replace an ordinary bus connector? No. It is an active system component for a Y-Link architecture, not a passive cable connector or terminator. The complete topology must be reviewed before substitution.
04	What should be inspected on a replacement 6ES7197-1LB00-0XA0? Check the complete label, connector pins, housing, rail latch and mating surfaces. Confirm that the article number and hardware state are suitable for the installed Y-Link.
05	How should a 6ES7197-1LB00-0XA0 replacement be verified? After safe installation, check both redundant paths, downstream communication, station diagnostics and switchover behavior. Keep process outputs in a controlled state until the entire link is stable.

EXTENDED INDUSTRIAL SELECTION

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