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B&R 5AC901.I485-00 RS232 RS422 RS485 Interface Option

 
B&R · INDUSTRIAL PC INTERFACERS232 / RS422 / RS485
GALVANICALLY ISOLATED SERIAL OPTION

5AC901.I485-00

B&R 5AC901.I485-00 is a galvanically isolated RS232, RS422 and RS485 interface option with automatic operating-mode selection for supported Automation PC and Panel PC systems.

INTERFACE3 serial standards
CONNECTOR9-pin DSUB male
MAX. RATE115 kbit/s
SERIAL ROUTEOne port with connection-selected operating mode
HOSTCOM
Electrical connection selects RS232, RS422 or RS485
SELECTION NOTEConfirm computer family, IF option slot and Automation Studio support
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 5AC901.I485-00
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 DESKCOM
OFFICIAL TECHNICAL PROFILE

Serial-interface data for 5AC901.I485-00

Official interface, electrical, environmental and mechanical data arranged in two balanced fields.

SERIAL INTERFACE & ELECTRICAL
Material number5AC901.I485-00
Interface standardsRS232 / RS422 / RS485
Electrical isolationGalvanically isolated
ConnectorDSUB, 9-pin, male
UART16550-compatible, 16-byte FIFO
Maximum baud rate115 kbit/s
Operating-mode selectionAutomatic from electrical connection
Terminating resistorSlide switch, on or off
Default terminationOff
Power consumption1 W
B&R ID code0xD84A
INSTALLATION, ENVIRONMENT & APPROVALS
Pollution degree2 per EN 61131-2
Operating temperature0 to 55°C
Storage / transport temperature-20 to 60°C
Operating humidity5 to 90%, non-condensing
Storage / transport humidity5 to 95%, non-condensing
Compatible systemsAPC910/PPC900 and APC3100/PPC3100
Module weightApprox. 34 g
UL approvalcULus E115267
HazLoc approvalcULus HazLoc E180196
Marine approvalsDNV, CCS, LR, KR, ABS and BV
ConformityCE and UKCA
SELECTION DOSSIERMatch 5AC901.I485-00 to the installed industrial PC
Computer product familyAvailable IF option slotAutomation Studio package
02 / SERIAL SIGNAL PATH

How 5AC901.I485-00 adapts one serial connection

Host compatibility, wiring-selected mode, termination and software support shown as one commissioning path.

STARTSupported APC or PPC

Verify the exact system and option position.

 
CONNECTION-SELECTED MODE5AC901.I485-00Install · wire · set termination
 
RS422RS485Use the correct pin assignment
USE 01Legacy device link

Connect serial peripherals that still depend on RS232 signaling.

USE 02Differential serial channel

Use RS422 for robust point-to-point communication in electrically demanding installations.

USE 03Multidrop communication

Apply RS485 where several supported devices share a serial network.

USE 04Industrial PC expansion

Add a galvanically isolated COM interface to a supported APC or PPC platform.

USE 05Service migration

Retain established serial equipment during an industrial computer upgrade.

USE 06Termination control

Switch the onboard terminating resistor only when the network position requires it.

03
BUYER GUIDANCE

Questions buyers ask about 5AC901.I485-00

01
How does B&R 5AC901.I485-00 select between RS232, RS422 and RS485?

B&R states that the operating mode is selected automatically from the electrical connection. The wiring and pin assignment therefore determine the serial standard used.

02
Which industrial PCs accept B&R 5AC901.I485-00?

The official product page lists APC910/PPC900 and APC3100/PPC3100 compatibility. Current B&R hardware upgrades also add support for later APC/PPC families, so confirm the exact computer and software version before ordering.

03
When should the terminating resistor on B&R 5AC901.I485-00 be enabled?

Use the slide switch only when RS422 or RS485 network topology requires termination at that physical endpoint. The factory default is off.

04
What must be checked before replacing a B&R 5AC901.I485-00 interface option?

Verify the installed computer family, IF option position, connector wiring, serial mode, termination setting and Automation Studio hardware package. Do not transfer the old wiring without checking the new host configuration.

05
Is B&R 5AC901.I485-00 still supported by current engineering software?

B&R publishes current V4.0 and V6.0 hardware-upgrade packages for this material number. Stock condition and delivery timing remain quotation items rather than an OEM availability promise.

06
Which documents and photos help quote B&R 5AC901.I485-00 correctly?

Send the computer nameplate, interface label, option-slot location, cable pinout, required serial standard, quantity and destination. These details allow the correct manual, hardware package and revision to 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.
011746-OB32
02PXC001.D
03LIN52V
04RS900GP-D-FG03-XX
05CES-A-UEA-04B
06PGDT04000F020
07PCSA-B768S
08DAD4-CBL-OBD-01
0982007-802N0,CEIA431B
10RS20-0800T1T1SDAPHH05.0.02
113915100422-s
12BSS-310A
131073922V3
14VLC-12CH-10A
1519A3716X022
16Luna-TFT43
17176F9170
18SIM-CNR04E
193005A
20HWIC-1GE-SFP
21250PSI/0-60PSI
22700-HN125
23CVS-9911MN
24ITRR832-001
25QSNE-2DAL-D
26476M-624
27FF20-S33
28U539
29077671L
30OAW-AP1201H-RW
31D320DIM1624D
32001-PCOUT-000
33LMUC-100-2
34BZMB1-A63-BT
352W-B
36EX1N32ER
37MF1CTJ0056
38SPCW111.000
39C-OR-0011M-800
DIRECT CONTACTStart your 5AC901.I485-00 inquiryShare the complete label, application details, quantity and delivery destination.
SALES MANAGERMay

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  B&R · INDUSTRIAL PC INTERFACERS232 / RS422 / RS485 GALVANICALLY ISOLATED SERIAL OPTION 5AC901.I485-00 B&R 5AC901.I485-00 is a galvanically isolated RS232, RS422 and RS485 interface option with automatic operating-mode selection for supported Automation PC and Panel PC systems. INTERFACE3 serial standards CONNECTOR9-pin DSUB male MAX. RATE115 kbit/s SERIAL ROUTEOne port with connection-selected operating mode HOSTCOM Electrical connection selects RS232, RS422 or RS485 SELECTION NOTEConfirm computer family, IF option slot and Automation Studio support Brand New OriginalFast DeliveryWorldwide ShippingINQUIRE NOW

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