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B&R X20BB57 X20 Compact-S PLC Bus Base

 
B&R · X20 COMPACT-S PLCBUS BASE · RS232 · CAN
COMPACT-S CONTROLLER BACKPLANE

X20BB57

B&R X20BB57 is the bus base for X20 Compact-S controllers, combining the controller backplane with RS232 and CAN connections plus an integrated CAN terminating resistor.

ROLECompact-S base
SERIAL1 × RS232
FIELDBUS1 × CAN
BASE ROUTEController and power-supply foundation with onboard interfaces
PLCCAN
Backplane, serial service and CAN connectivity
SELECTION NOTEConfirm Compact-S controller, power supply and CAN termination plan
Brand New OriginalFast DeliveryWorldwide ShippingINQUIRE NOW
  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer B&R
Item number X20BB57
Country of Origin Austria
Lead Time 2-3 DAYS
After-Sales Support One Year Warranty
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
01 / DATA DESKBB
OFFICIAL TECHNICAL PROFILE

Backplane and interface data for X20BB57

Official power, interface, isolation and installation limits organized for Compact-S cabinet design.

BACKPLANE, INTERFACES & POWER
Module functionX20 Compact-S PLC base
Backplane supportCompact-S PLC and power supply module
Serial interface1 × RS232
CAN interface1 × CAN bus
CAN terminationIntegrated terminating resistor
B&R ID code0xEB09
Bus power consumption0.55 W
I/O supply voltage24 VDC
Permissible contact load10 A
Electrical isolationBus, CAN and RS232 are not isolated from each other
Horizontal mountingYes — horizontal orientation
Vertical mountingYes — vertical orientation
MOUNTING, ENVIRONMENT & APPROVALS
Installation elevation0 to 2000 m without limitation
High-altitude deratingReduce ambient limit 0.5°C per 100 m above 2000 m
Degree of protectionIP20 per EN 60529
Operating temperature-25 to 60°C horizontal; -25 to 50°C vertical
Storage / transport temperature-40 to 85°C
Internal I/O powerNot applicable
Relative humidity5 to 95%, non-condensing
Pitch37.5 +0.2 mm
Included partsLeft and right X20 end cover plates
ConformityCE and UKCA
UL approvalcULus E115267
Marine approvalsDNV, CCS, LR, KR, ABS and BV
SELECTION DOSSIERBuild the X20BB57 Compact-S controller station
Compact-S CPUCompact-S power supplyCAN network termination
02 / COMPACT-S FOUNDATION

How X20BB57 anchors a Compact-S controller station

Mechanical base, controller backplane, 24 VDC distribution and communication interfaces shown as one assembly path.

START24 VDC Compact-S station

Confirm controller and power-supply combination.

 
CONTROLLER BACKPLANEX20BB57Seat · secure · connect
 
RS232CANSet CAN termination correctly
USE 01Controller foundation

Provide the physical and electrical base for an X20 Compact-S controller.

USE 02Power-supply support

Carry the matching Compact-S PLC power-supply module in the same base assembly.

USE 03CAN network access

Connect the controller station to a supported CAN bus segment.

USE 04Serial service path

Expose the integrated RS232 connection for supported serial communication tasks.

USE 05Termination endpoint

Use the integrated resistor when the station occupies a terminated CAN endpoint.

USE 06Compact cabinet build

Combine controller, communication and power-distribution functions in a narrow assembly.

03
BUYER GUIDANCE

Questions buyers ask about X20BB57

01
What hardware mounts on B&R X20BB57?

B&R defines X20BB57 as the base for X20 Compact-S controllers and the associated Compact-S PLC power-supply module.

02
Are the RS232 and CAN connections on B&R X20BB57 electrically isolated?

No. The official technical data states that the bus, CAN bus and RS232 interface are not isolated from one another.

03
How is CAN termination handled on B&R X20BB57?

The bus base includes a CAN terminating resistor. Confirm the physical network position and enable termination only where the CAN topology requires an endpoint.

04
What must be retained when replacing B&R X20BB57 in an existing station?

Record the Compact-S controller and power-supply types, 24 VDC wiring, RS232 pinout, CAN cabling, termination state and installed orientation before removing the base.

05
Does B&R X20BB57 require separate end covers?

No. B&R states that left and right X20 end cover plates are included with the bus module.

06
Which details should accompany a B&R X20BB57 quotation request?

Send the controller and power-supply labels, station photographs, CAN topology, required quantity, condition preference and delivery destination so configuration and current supply can be checked.

04 / COMPANYCompany profile

About Company

Global automation sourcing supported by experienced people, broad product access and dependable communication.

01
GLOBAL EXPERIENCE20+Years of Global Experience

With 20+ years of industry experience, we serve customers worldwide and have built long-term relationships across the UK, Russia, UAE, India, Venezuela, and more.

GLOBAL SERVICE TEAM · XIAMENPeople, experience and responsive sourcing support.
Professional Support Team

Our experienced team provides reliable pre-sales and after-sales support, helping customers select suitable products and resolve purchasing concerns.

Wide Range of Brands

We supply leading automation brands covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.

Large In-Stock Inventory

A wide range of products is available from stock, including discontinued, obsolete, and hard-to-find parts, helping reduce sourcing time.

Honesty & Trust

We value long-term cooperation and treat every customer with honesty, respect, responsibility, and care.

Your Trusted Automation Partner

From a single replacement part to complete automation projects, we are ready to support your needs and build a long-term partnership.

Warehouse staff verifying industrial automation inventory02
INVENTORY VERIFICATION · ORGANIZED SOURCING
05 / CUSTOMER JOURNEYS

Sincere Cooperation, Long-Term Trust

CASES
 
CUSTOMER VISITTrust grows through clear, face-to-face cooperation.

Technical questions, order details and long-term sourcing needs are discussed directly with international customers.

International customer visit and automation sourcing meeting
INTERNATIONAL CUSTOMER VISIT · XIAMEN
CASE 01Germany –

A German customer sent a mixed list of automation modules and required careful confirmation of revisions, condition, interfaces and delivery. Our team organized every item, checked the model labels and inspection photos, and replied point by point. The clear technical communication simplified approval and developed into repeat sourcing requests.

CASE 02India –

An Indian customer still had doubts after initial online communication with us, so they visited our company in person for a face-to-face meeting and product inspection. This visit increased the customer's trust and led to the successful placement of their first order. Over the next few years, we completed multiple orders and established a stable, long-term partnership.

CASE 03Malaysia –

A Malaysian customer needed several industrial control components for a maintenance project and compared multiple sourcing options. We confirmed the exact model labels, supplied inspection photos and packing details, and coordinated a consolidated shipment. After commissioning, the customer confirmed stable operation and continued requesting support for later maintenance needs.

06 / REFERENCE DIRECTORY

Other automation references

A curated selection of automation products for maintenance, modernization and global sourcing.

REFERENCE MODEL DIRECTORYSend your complete list for consolidated model review.
01CLM400
02HD500
03CONTREXGRP/1/PV2122-01077-1
04AL600XB220
05CP81
063RH1911-1FA40
07HDP5000
08ICP11D0350000
09IC694MDL754-HD
10IA-MM-TMP-10
11AUH-01
12MA1479A
13DALIKNX2CH
14PC-E984-265
15PH300
16METSEPM5560
17EGX100MG
18SHO100-T
19LBB1946/00
20SB-9in1T-CL
21CHDIM4
22LOP5-2
23PG4
24VC7936ZZ11/U
25CRT341
26ICM-20100
27KFD2-HMM-16
2815B10861G1
29UE4740-22H0000
30SSA61
318L501-101
32517-0147-06B-334107
33RRPAE00
34KN703-C
35DM-TX-4K-302-C
36ATV320U04N4C
37DIO32-C
383216I
39ASI2314-B3
DIRECT CONTACTStart your X20BB57 inquiryShare the complete label, application details, quantity and delivery destination.
SALES MANAGERMay

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