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20-750-PBUS

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The Allen-Bradley 20-750-PBUS is a PROFIBUS DPV1 option module designed to provide a communication interface between PowerFlex 750-series drives and PROFIBUS DPV0/DPV1 networks. The 20-750-PBUS enables structured network connectivity with configurable communication and data exchange functions.
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Technical specifications for 20-750-PBUS

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    20-750-PBUS
  • Product Family:
    PowerFlex
  • Product Type:
    Profibus DPV1 Option Module
  • Network Protocol:
    PROFIBUS
  • Network Data Rates:
    9.6K, 19.2K, 45.45K, 93.75K, 187.5K, 500K, 1.5M, 3M, 6M, and 12M.The Option Module has auto baud rate detection.
  • Network Media:
    The Option Module has auto baud rate detection.PROFIBUS Cable with DB9 connector
  • Drive Protocol:
    DPI
  • Drive Data Rates:
    500k
  • Consumption Drive:
    250 mA at 14 VDC supplied by the host drive
  • Consumption Network:
    None
  • Operating Temperature:
    -5...65 °C (30...149 °F)
  • Storage Temperature:
    -40...85 °C (-40...185 °F)
  • Relative Humidity:
    5...80% non condensing (Operating), 5...95% non condensing (Non-Operating)
  • Shock (Operating):
    15 g peak acceleration
  • Vibration:
    2.0 g at 55...512 Hz (Operating), 5 g at 5 Hz...2 kHz (Non-Operating)
  • Weight:
    0.06 kg
  • Estimated shipping dimensions:
    15x8.2x2.3cm
  • Tariff Code:
    8414592000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Scenarios Compatibility Environment

Features:

  • Provides PROFIBUS DPV1 communication interface for PowerFlex 750-series drive integration.
  • Supports auto baud rate detection across multiple PROFIBUS network speeds.
  • Enables configurable 32-bit data link structure with bidirectional drive and network data exchange.
The Allen-Bradley 20-750-PBUS is designed to connect PowerFlex 750-series drives to PROFIBUS DPV0/DPV1 networks, enabling structured communication between industrial drives and control systems. The Allen-Bradley 20-750-PBUS operates as a communication interface module that supports both network and drive-level data exchange. Its integration within drive systems allows parameter-based configuration and flexible network setup.

In operation, the Allen-Bradley 20-750-PBUS supports multiple PROFIBUS data rates ranging from 9.6K to 12M with automatic baud rate detection. The module enables bidirectional data handling through configurable read and write data links, ensuring structured communication flow between the drive and network. The Allen-Bradley 20-750-PBUS also supports non-cyclic messaging and master-slave hierarchy configuration for data management.

From an installation and configuration perspective, the Allen-Bradley 20-750-PBUS uses PROFIBUS cable with DB9 connector and is compatible with various configuration tools including HIM modules and software such as DriveExplorer and DriveExecutive. The Allen-Bradley 20-750-PBUS also supports third-party PROFIBUS configuration tools and RSLogix 5000 integration. Status indicators and fault response settings provide system-level communication monitoring and configurable operational behavior.

The 20-750-PBUS Allen-Bradley Profibus DPV1 Option Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 20-750-PBUS Profibus DPV1 Option Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Allen-Bradley 20-750-PBUS Profibus DPV1 Option Module Specs

General

  • Manufacturer Allen-Bradley
  • Model 20-750-PBUS
  • Condition New Original ready stock
  • Product Family 20-750-ENC-1,20-750-1133C-1R2T,20-750-2262C-2R
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Multi-vendor Integration: In factories with Siemens as the main control system, this module connects Rockwell inverters to the PROFIBUS network, enabling unified control of heterogeneous equipment.
  • Remote Parameterization: Utilizing the non-cyclic communication function of DPV1, process parameters such as inverter acceleration time and current limiting can be dynamically modified via a host computer during production operation.
  • Complex process control: Used in fields requiring high-bandwidth data exchange, such as paper mills and steel plants, to transmit frequency commands, torque feedback, and detailed diagnostic alarm information in real time.
  • Large network topology: On long-distance distributed production lines, up to 126 nodes can be connected with repeaters, reducing physical cabling and improving system response speed.
  • Drive Support: Fully compatible with the entire PowerFlex 750 series of inverters (such as PF753 and PF755), directly mounted via the control carrier.
  • Protocol Standard: Supports the standard PROFIBUS DP-V1 protocol, compatible with cyclic data (I/O) exchange and non-cyclic data (parameter read/write) access.
  • Controller Compatibility: Can be integrated with any PLC that supports PROFIBUS DP master functionality (such as Siemens S7 series, ControlLogix with communication modules).
  • Adaptive Baud Rate: Supports a full range of speeds from 9.6 Kbps to 12 Mbps; the module can automatically detect and match the speed based on the bus configuration.
  • Operating Temperature: The module is designed to operate in an ambient temperature range of -10°C to +50°C (14°F to 122°F). Good ventilation for the inverter must be ensured.
  • Storage Environment: When not in operation, the storage temperature range should be maintained between -40°C and +85°C to avoid condensation from extreme temperature differences.
  • Relative Humidity: Suitable for non-condensing industrial environments ranging from 5% to 95%, meeting standard corrosion and moisture protection requirements.
  • Electromagnetic Interference Immunity: Complies with CE industrial standards, possessing anti-electrostatic discharge (ESD) and anti-radio frequency interference (RFI) capabilities to ensure stable communication in high-voltage environments.
Description
The Allen-Bradley 20-750-PBUS option module is engineered for integration with PowerFlex 750-series drives, providing a PROFIBUS DPV1 communication interface. It connects drive systems to PROFIBUS networks using a standard DB9 connector and PROFIBUS cable, supporting structured industrial network communication. The module operates as an adapter within the drive architecture, enabling data exchange between the host drive and the network. The 20-750-PBUS is designed for installation with configuration tools and compatible drive systems.

In terms of network communication, the 20-750-PBUS supports multiple data rates including 9.6K, 19.2K, 45.45K, 93.75K, 187.5K, 500K, 1.5M, 3M, 6M, and 12M, with auto baud rate detection capability. The drive protocol operates at 500k DPI data rate, while network consumption is not required from the module side. The module draws 250 mA at 14 VDC supplied by the host drive. PROFIBUS cable standards such as Belden #3079A or equivalent are recommended for proper installation.

The Allen-Bradley 20-750-PBUS supports 32-bit configurable data links, including 16 links for network-to-drive writing and 16 links for drive-to-network reading. It also supports non-cyclic messaging and configurable master-slave hierarchy settings for data transfer control. Status indicators provide module and network communication status, accessible after removing the drive cover. Node address configuration can be set via onboard switches or parameter settings within the module.

Environmental and mechanical specifications of the 20-750-PBUS include operating temperature from -5°C to 65°C, storage temperature from -40°C to 85°C, and relative humidity from 5% to 80% (operating, non-condensing) and 5% to 95% (non-operating, non-condensing). The module withstands 15 g peak shock acceleration and vibration levels up to 2.0 g at 55–512 Hz and 5 g at 5 Hz–2 kHz. The 20-750-PBUS also supports user-defined fault actions, including responses to communication loss, idle mode conditions, and non-cyclic messaging behavior.
Alternative Names
20-750-PNET2P 20-750-PNET 20-750-20COMM 20-750-DNET 20-750-CNETC 20-750-PNET1P 20-750-ENETR 20-750-ENET2P
Technical notes
The Allen-Bradley 20-750-PBUS PROFIBUS DPV1 option module integrates with PowerFlex 750-series drives to provide PROFIBUS DPV0/DPV1 network communication using DB9 connector and PROFIBUS cable, supports multiple baud rates from 9.6K to 12M with auto detection, operates at 500k DPI drive data rate, consumes 250 mA at 14 VDC from host drive, supports 32-bit configurable data links with 16 read and 16 write channels, operates within -5 to 65°C, stores at -40 to 85°C, and withstands 15 g shock and vibration up to 5 g across 5 Hz–2 kHz.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What does the 20-750-PBUS support in terms of data links?
It supports 32-bit configurable data links, split between network-to-drive and drive-to-network communication.
Why is a configuration tool required for setup?
It is used to configure both the option module and the host drive using compatible software or HIM interfaces.
How does the module handle communication faults?
It allows user-defined fault actions for communication loss, idle mode, and non-cyclic messaging conditions.
What is the function of the 20-750-PBUS module?
It provides a PROFIBUS DPV1 communication interface between PowerFlex 750-series drives and PROFIBUS networks.

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