DO821 Interface Controller

Product parameters

Model: DO821

Brand: ABB

Size: 10cm x 10cm x 30cm

Weight: 1.2KG

Color: White Black

Working voltage: 5V

Working temperature: -10 ℃ to 50 ℃

Communication interface: RS232, RS485, CAN

Product specifications

Support for MODBUS protocol

Support hardware flow control

Using high-speed CMOS devices

Support for data caching

application area

DO821 is mainly used in the field of industrial automation, such as DCS PLCs, industrial controllers, robots, etc.

DO821 is mainly used in steel manufacturing, thermal power generation, hydroelectric power generation, glass manufacturing, paper mills, cement factories, petrochemicals

Chemical fiber, pharmaceutical manufacturing, rubber, plastics, ferrous metal food, machine tools, specialized equipment, transportation vehicles, mechanical equipment

Electronic communication equipment, instruments and beverages, tobacco processing, clothing, textiles, leather, wood processing, furniture, printing, etc

Model: DO821 Brand: ABB Archive Function: Communication Function Product Certification: Qualified

Working voltage: 24V Internal variable: No pattern Type: Vector diagram Applicable range: Industrial type

Number of screens: 4 Imported or not: Yes Customized for processing: No

Alarm function: Product name: Module Input voltage: 24V Rated current: 5A

Special service: including postage. Remarks: one-year warranty. Operation method: remote control

Applicable motor: servo motor system memory: 8MB Display color: 99.9 color gamut

Power voltage: 220V Input method: Current Input Material code: 65218

Communication interface: HDMI interface Working temperature: 60 Material number 26854 Other functions Analog communication

Output frequency: 50HZ Rated voltage: 24V Alarm type: Light alarm

Disconnect capacity: 0.01 Vector graph support: Minimum number of packages supported: 1

Display type: IPS USB interface quantity: 2 interfaces Memory card slot: 2

Panel protection level: 3 Memory expansion capacity: 128MB User script support: supported

Speed response frequency: 1MS Working environment temperature: -40 to 100 Insulation withstand voltage test: Passed

Third party communication products: ABB controllers available for sale in: nationwide

Product Instructions

Please install DO821 correctly on the device and connect the communication interface cable properly.

Please refer to the user manual for operating DO821 to ensure proper use.

Product Introduction

DO821 is a high-performance industrial automation communication module that uses high-speed CMOS devices, supports MODBUS protocol, and supports
hardware flow control. It is an ideal choice in the field of industrial automation.

Mobile Phone Radio Frequency Devices 0 7 “Radio Frequency Devices: The embarrassment of relying on people”s mobile phones” (Science and Technology Daily, May 7)

On a mobile phone motherboard, 1/3 of the space is radio frequency circuitry. The development trend of mobile phones is to be thinner and lighter, consume less
power, have more frequency bands, and have larger bandwidth, which poses a challenge to radio frequency chips. Radio frequency chips convert digital signals into
electromagnetic waves. 4G mobile phones must support more than a dozen frequency bands and information bandwidths of tens of megabytes. In 2018, the RF chip
market was US$15 billion; the high-end market was basically monopolized by Skyworks, Qorvo and Broadcom, with Qualcomm also occupying a place. Another key
component of RF devices – filters, the gap between domestic and foreign countries is even greater. The multi-billion-dollar market for high-end filters used in mobile
phones belongs entirely to foreign RF device giants such as Qorvo. China is the world”s largest mobile phone manufacturer, but it cannot manufacture high-end mobile
phone radio frequency components. This requires solid accumulation of materials, processes and design experience.

Heavy-Duty Gas Turbine 0 8 “”The Mingmen Fire Decline”, the Disaster of the Blades of Heavy-Duty Gas Turbine” (Science and Technology Daily, May 9)

Gas turbines are widely used in ships, trains and large power stations. Our country has the ability to automate light-duty gas turbines; however, it still
basically relies on introduction. There are four major international rekindling manufacturers: GE from the United States, Mitsubishi from Japan,
Siemens from Germany, and Ansaldo from Italy. Cooperation with China comes with stringent conditions: design technology will not be transferred,
core hot-end component manufacturing technology will not be transferred, and local manufacturing of non-core components will only be permitted
through a license. The lack of independent capabilities means that an important part of my country”s energy security is still controlled by others, and there is a risk of being “stuck.”

Excitation system ABB module DSTD150A
Excitation system ABB module DSTD150A
Excitation system ABB module DSTD150
Excitation system ABB module DSTD150
Excitation system ABB module DSTD120
Excitation system ABB module DSTD110A
Excitation system ABB module DSTD110A
Excitation system ABB module DSTD110
Excitation system ABB module DSTD108P
Excitation system ABB module DSTD108 ABB
Excitation system ABB module DSTD108
Excitation system ABB module DSTD108
Excitation system ABB module DSTC456
Excitation system ABB module DSTC456
Excitation system ABB module DSTC454
Excitation system ABB module DSTC190
Excitation system ABB module DSTC176
Excitation system ABB module DSTC175 57310001-KN
Excitation system ABB module DSTC160
Excitation system ABB module DSTC130
Excitation system ABB module DSTC121
Excitation system ABB module DSTC110
Excitation system ABB module DSTA180
Excitation system ABB module DSTA180
Excitation system ABB module DSTA171
Excitation system ABB module DSTA170
Excitation system ABB module DSTA160
Excitation system ABB module DSTA133I
Excitation system ABB module DSTA131
Excitation system ABB module DSTA131
Excitation system ABB module DSTA-121A57120001
Excitation system ABB module DSTA-121A
Excitation system ABB module DSTA121
Excitation system ABB module DSTA002
Excitation system ABB module DSSS170
Excitation system ABB module DSSR122M
Excitation system ABB module DSSR122 ABB控制器
Excitation system ABB module DSSR122 4899001-NK
Excitation system ABB module DSSR122 48990001-NK
Excitation system ABB module DSSR122 48990001-LH
Excitation system ABB module DSSR122
Excitation system ABB module DSSR122
Excitation system ABB module DSSR121
Excitation system ABB module DSSR120
Excitation system ABB module DSSR116
Excitation system ABB module DSSR115
Excitation system ABB module DSSR110
Excitation system ABB module DSSC-01C
Excitation system ABB module DSSB170
Excitation system ABB module DSSB146
Excitation system ABB module DSSB145
Excitation system ABB module DSSB140 48980001-P
Excitation system ABB module DSSB140
Excitation system ABB module DSSB140
Excitation system ABB module DSSB120
Excitation system ABB module DSSB110
Excitation system ABB module DSSB-01C 3AFE68300746
Excitation system ABB module DSSB-01C
Excitation system ABB module DSSB-01C
Excitation system ABB module DSSB-01C
Excitation system ABB module DSSA165
Excitation system ABB module DSSA165
Excitation system ABB module DSSA165
Excitation system ABB module DSRF197 3BSE019297R1
Excitation system ABB module DSRF182K13