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Allen-Bradley 20-750-MCTRLBUS-CONN2


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All Parts Come with 12 Month Warranty

New, Surplus, and Refurbished Available

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

Shipping Information

We offer free standard shipping. Products located in the U.S. are eligible for expedited shipping, including next day air.

Payment Methods

We only accept online payments such as Visa, Mastercard, American Express, Discover, etc. All payments are fully secured.

Product Specifications

brand name Allen-Bradley

The part number 20-750-MCTRLBUS-CONN2 is related to the PowerFlex 750-Series AC Drives, specifically the Profibus DPV1 Option Module. This module is designed for network communications and is used with PowerFlex 750-Series drives and PowerFlex 755T drive products. It provides a Profibus DPV1 interface for communication with other devices on the network.

Technical Specifications

The module is designed to operate within specific technical specifications, including:

  • Operating Temperature: -20°C to 60°C (-4°F to 140°F)

Alarm/Error Codes

The module can generate various alarm and error codes depending on the conditions it detects. These codes are used to indicate potential issues or malfunctions in the system. Some examples of these codes include:

  • OverVoltage: The DC bus voltage exceeded the maximum value
  • Motor Overload: The motor is overloaded
  • DC Bus Open: The DC bus is open, indicating a fault in the DC bus connections
  • Phase Loss: An AC input phase is lost, indicating an imbalance in the AC line-to-line voltages

User Manuals

The user manual for the 20-750-MCTRLBUS-CONN2 provides detailed information on how to install, configure, and operate the module. It includes instructions on how to set up the module for use with PowerFlex 750-Series drives and PowerFlex 755T drive products.


Troubleshooting the module involves identifying and addressing potential issues that may arise during operation. This includes checking for loose connections, verifying proper installation, and resetting the module if necessary.


The module can be programmed using the recommended tools, including DriveExplorer and DriveExecutive software, as well as the Studio 5000 Logix Designer application.


The module is installed in the PowerFlex 750-Series drives and PowerFlex 755T drive products. It is connected to the drives using the Profibus DPV1 interface and is powered by the drives.

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