Allen-Bradley 1794-ASB is a Flex I/O communication adapter module from Allen-Bradley(also known as A-B or Rockwell).The following is a detailed introduction to the 1794-ASB module:
1.Basic Overview
Brand and Series:Allen-Bradley Flex I/O Series.
Model:1794-ASB.
Function:Remote I/O communication adapter.
Allen-Bradley 1794-ASB
2.Technical Features
Rail Mounting:The 1794-ASB module is designed as a DIN rail mounting device for easy fixation and integration in industrial environments.
Remote I/O Communication Port:The module has a remote I/O(RIO)communication port for connecting the Flex I/O rack to a controller that supports RIO.
Communication Rate:Supports communication rates of 57.6Kbps,115.2Kbps,and 230.4kbps to ensure the efficiency and stability of data transmission.
Input voltage:19.2~31.2VDC is required,with a wide voltage input range.
Module capacity:supports installation of up to 8 Flex I/O modules,providing flexible scalability.
Compatibility:Compatible with Allen-Bradley traditional controllers(such as PLC2,PLC3,PLC5 controllers and SLC500 automation platform)and modern Logix controller platforms,and can also be used for third-party devices.
Data transmission:Send and receive data to the controller through block transfer read(BTR)and block transfer write(BTW)instructions,supporting simultaneous or sequential sending of data packets.
Status indicator:Built-in power indicator,adapter activity indicator,adapter fault indicator and local fault indicator are convenient for monitoring the working status of the module.
Allen-Bradley 1794-ASB
III.Physical and electrical characteristics
Housing:It has an open housing and needs to be installed in an appropriate housing to protect the device from industrial components and pollutants.
Power consumption:Maximum power consumption is 450mA at constant 1794V DC power input;maximum power consumption is 6.31W at 24.4V DC;maximum power consumption is 7.31 BTU/hour at 2.15V DC.
Dimensions and weight:Approximately(length x width x height)1794x4x2 inches(Note:This size may change due to product version or manufacturer update,please refer to the actual product),light weight,easy to install and transport.
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