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Allen Bradley PowerFlex 70 20-COMM-H

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20-COMM-H

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The Allen Bradley 20-COMM-H is a communication adapter designed to interface effectively with various control systems. Operating at a voltage rating of 400 Volts AC, this component is built within a Frame size A and supports multiple communication protocols.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 20-COMM-H

ManufacturerAllen Bradley
Product TypeCommunication Adapter
Product LinePowerFlex 70
Part Number20-COMM-H
UPC820919000256
Weight1.00 lbs (0.45 kg)
Voltage Rating400 Volts AC
Frame SizeFrame size A
Communication ProtocolsModbus RTU, Siemens Building Technologies, and Metasys N2
Drive ProtocolDeep Packet Inspection (DPI) protocol
Baud Rates For Communication Protocols4,800, 9,600, 19,200, or 38,400 bits per second for Modbus RTU, 4800 or 9600 bits per second for Siemens Building Technologies protocol, and 9,600 bits per second for Metasys N2
Baud Rates for Drive Protocol125 kilobits per second or 500 kilobits per second
Current Rating1.3 Amperes
Enclosure RatingNEMA Type 1 (IP20)
Human Interface Module OptionsBlank cover
Input Phase Type3-phase
Drive Current Consumption150 milliamperes at 5 Volts DC
Mounting MethodCaptive screws
Output Power Rating0.37 kilowatts (0.5 horsepower)
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The 20-COMM-H communication adapter by Allen Bradley is engineered for seamless integration within the PowerFlex 70 series. It operates on a voltage rating of 400 Volts AC and is categorized as Frame Size A. This unit facilitates connectivity through several communication protocols, including Modbus RTU, Siemens Building Technologies, and Metasys N2.

Data transfer rates for Modbus RTU vary from 4,800 to 38,400 bits per second, whereas the Siemens Building Technologies protocol supports baud rates of 4,800 or 9,600 bits per second. For the Metasys N2 protocol, the supported speed is 9,600 bits per second. It utilizes the Deep Packet Inspection (DPI) protocol for efficient drive communications, with additional support for baud rates of 125 kilobits per second and 500 kilobits per second.

The unit is equipped with a current rating of 1.3 Amperes, and its power consumption is limited to 150 milliamperes at 5 Volts DC. Its enclosure is rated NEMA Type 1 (IP20), ensuring a degree of protection against environmental factors. Designed for a 3-phase input phase type, it mounts conveniently via captive screws. The maximum output power rating stands at 0.37 kilowatts (0.5 horsepower) making it suitable for various industrial applications. An optional blank cover is available for the human interface module, enhancing its flexibility in configuration.

Revision Part #Also known as
20-COMM-H Ser A20-COMM-H/A, Series A, Rev A
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