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B&R X20CM8281 Universal Mixed I/O Module

B&R / X20 UNIVERSAL I/OMIXED SIGNAL MODULE
COMPACT I/O COMBINATION

X20CM8281

B&R X20CM8281 combines four digital inputs, two protected outputs, one analog input and one analog output in a mixed X20 I/O module.

BEFORE INSTALLATIONConfirm signal ranges, digital load current, event-counter assignment and the required X20 terminal and bus modules.
PRODUCT STATUSOfficial record available
SELECTION CONTROLRANGE + TB CHECK
One Year WarrantyTop Quality24/7 Service
INQUIRE 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 X20CM8281
Country of Origin Austria
Lead Time 2-3 DAYS
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
01
FIELD JOURNAL

X20CM8281 Mixed-Signal Channel Parameters

Official B&R digital, analog, timing, protection and accessory data for the exact X20 universal I/O slice.

DIGITAL CHANNELS & FAST FUNCTIONS
DIGITAL INPUT NOMINAL VOLTAGE24 VDC
INPUT CHARACTERISTICType 1 per EN 61131-2
INPUT CURRENT AT 24 VDCTypically 3.3 mA
HARDWARE INPUT FILTER≤2 µs
SOFTWARE INPUT FILTER0 to 25 ms in 0.2 ms steps
COUNTER FUNCTIONS20 kHz event counting and gate measurement
DIGITAL OUTPUTS2 current-sourcing FET
NOMINAL OUTPUT CURRENT0.5 A per output
TOTAL NOMINAL OUTPUT CURRENT1 A
OUTPUT PROTECTIONThermal, short-circuit, inductive-load and reverse-polarity
ANALOG INPUTS1 single-ended
ANALOG, POWER & INSTALLATION
ANALOG INPUT RANGES±10 V or 0/4 to 20 mA
ANALOG CONVERSION TIME400 µs, asynchronous to X2X Link
ANALOG INPUT FILTERSecond-order low-pass, 1 kHz
ANALOG INPUT INSULATION500 Veff between channel and bus
ANALOG OUTPUTS1 voltage or current output
BUS POWER CONSUMPTION0.01 W
INTERNAL I/O POWER1.75 W
OPERATING TEMPERATURE-25 to 60°C horizontal mounting
PROTECTION RATINGIP20
REQUIRED TERMINAL BLOCKX20TB12
REQUIRED BUS MODULEX20BM11
02
FIELD JOURNAL

How X20CM8281 Consolidates Machine Signals

A commissioning route from field-signal classification to range assignment, protected outputs and process-data mapping.

USE 01

Consolidate a small machine cell

Combine discrete sensors, actuators and two analog process signals in one compact X20 position.

USE 02

Count fast field events

Assign supported digital inputs to production pulses or gated event measurements that exceed normal scan-rate needs.

USE 03

Acquire process feedback

Wire a voltage or current transmitter to the selected analog-input terminals and scale the integer process value.

USE 04

Command an analog actuator

Use the configurable analog output for a matching speed, position or process reference input.

USE 05

Protect switched loads

Drive suitable 24 VDC loads through the monitored transistor outputs while retaining built-in fault protection.

USE 06

Reduce cabinet slice count

The mixed channel set can replace several single-function slices when the machine signal list fits one module.

03
FIELD JOURNAL

Common buyer questions about X20CM8281

Practical purchasing guidance for clearer, more confident decisions.

01BUYER QUESTION

How does B&R X20CM8281 select between voltage and current on the analog input?

The official data lists separate terminal connections for ±10 V and 0/4 to 20 mA. The field wiring and configured input range must therefore be matched together.

02BUYER QUESTION

Which B&R X20CM8281 inputs can be planned for fast event counting?

B&R specifies 20 kHz event counting and gate measurement as special digital-input functions. Confirm the assigned channels and Automation Studio configuration for the application.

03BUYER QUESTION

What protection is built into the two outputs of B&R X20CM8281?

The current-sourcing outputs include thermal shutdown for overcurrent or short circuit, integrated inductive-load protection and reverse-polarity protection, with output-error diagnostics.

04BUYER QUESTION

Is the analog circuitry of B&R X20CM8281 isolated from the X20 bus?

B&R specifies 500 Veff insulation between the analog channel and the bus. Channels within the module must still be wired according to the official common and terminal arrangement.

05BUYER QUESTION

Which B&R accessories and official instructions must be matched when replacing X20CM8281?

Use the X20CM8281 product record and X20 system manual, and match the terminal and bus hardware. B&R lists X20TB12 with X20BM11, while X20BM15 is the documented alternative bus-module option.

06BUYER QUESTION

What sourcing details prevent an incorrect B&R X20CM8281 quotation?

The official product record remains available, but supply must be confirmed for the exact label. Send the terminal and bus-module choices, analog ranges, digital load data, quantity, condition requirement and destination.

04
FIELD JOURNAL

Our Company History

A long-term commitment to honest service, dependable support and responsible delivery.

2005 → TODAY

Since our company was founded, we have served every customer with sincerity and professionalism. Our prices may not always be the lowest, but we earn long-term trust through quality products, dependable after-sales support, honest condition reporting, timely communication and responsible delivery. Our goal is to build lasting partnerships rather than pursue one-off transactions.

Our team at work in 2020
OUR TEAM AT WORK IN 2020
2005

The Beginning

Company was founded in Xiamen, Fujian, China, in 2005 with a team of only four people. At that time, we mainly served selected European and North American markets, supplying commonly requested industrial automation products from Siemens, Allen-Bradley and Bently Nevada. Although the business was still developing and we completed relatively few orders, this period helped us build essential product knowledge and international trade experience.

2017

A Period of Growth

By 2017, our team had grown to approximately 30 people, and we had established a warehouse for in-stock automation components. Our business expanded across Europe, North America and Southeast Asia, while our product range grew from popular models to scarce and discontinued industrial automation parts. As our product knowledge and service experience increased, we completed nearly 20 orders per month on average.

TODAY

Serving Customers Worldwide

Today, Company serves customers worldwide with a professional team of approximately 60 people. Our warehouse holds a broad selection of industrial automation components, including popular products, hard-to-find parts and discontinued models. We now complete more than 30 orders per month, with an average monthly transaction value of approximately USD 3 million. We have established long-term partnerships with nearly 30 customers from different countries and welcomed almost 40 international customers to visit our company.

05
FIELD JOURNAL

Transaction Cases

Customer experiences built on careful verification, clear communication and dependable service.

Sincere Cooperation, Long-Term TrustTechnical review · clear evidence · responsible delivery
Russia01

A Russian customer urgently needed a replacement for a discontinued automation component. After reviewing the product label, technical parameters, and application details, our engineers recommended a compatible alternative and provided photos and test videos before shipment. The alternative performed well, enhancing the customer's confidence in our technical capabilities and leading to multiple repeat orders.

India02

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.

Venezuela03

A Venezuelan customer needed a specific automation component and compared products and services from several suppliers online. After nearly three weeks of careful consideration, our sincere communication, professional service, and reliable product quality won the customer's trust. After receiving the product and using it for several weeks without any problems, the customer gave us positive feedback and subsequently placed multiple orders.

06
FIELD JOURNAL

Other automation models

More industrial automation references to support diverse sourcing requirements.

CATALOGUE INDEX 01
01EW300
02C0-E1-11AAR
03Luna-TFT43
04LIN52V 55518810
05Ca-3
06AR-133
07OC485
08ir425-D4-2
09PRG2000RW
10fc010502-b
11FS-67CFR-600
12EM4-111-DR2
13BIP-1300
CATALOGUE INDEX 02
14PS4-101-DD1
15IS-485L
16CP81
17HMT335
18Model2 71900
19873EC-BIXFGZ-5
20CAN-5902
21inbio460
226ED1052-1CC01-0BA8
23JRBS-57-8
24UNC-500
25ANMA213V2
26AT-MC102XL-40 990-000445-40
CATALOGUE INDEX 03
27TSXDSY64T2K
28ZE301
29BIP-5000
30BAS34U24V
31FX-PCG2621-0
32EN54
33SENSUS 04410580
34GDP-CBL-OBD/ETH-02
35D950EF-00
365504RV20P
37PR160
38KHA6-SR2-EX2.W 33804S
39iMC2S-LV-D-1RJ45-1SFP
DIRECT CONTACT

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