• Allen-Bradley 1794-APBDPV1
  • Allen-Bradley 1794-APBDPV1
  • Allen-Bradley 1794-APBDPV1
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Allen-Bradley 1794-APBDPV1 PROFIBUS DP-V1 Communication Adapter

Allen-Bradley 1794-APBDPV1 PROFIBUS DP-V1 Communication Adapter

The Allen-Bradley 1794-APBDPV1 is a high-performance communication adapter designed for the FLEX I/O 1794 platform. This module functions as a PROFIBUS DP-V1 slave node, facilitating seamless integration between a PROFIBUS...

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SKU: 1794-APBDPV1
Vendor: Allen-Bradley
Category: Communication Adapter
Related Series:

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The Allen-Bradley 1794-APBDPV1 is a high-performance communication adapter designed for the FLEX I/O 1794 platform. This module functions as a PROFIBUS DP-V1 slave node, facilitating seamless integration between a PROFIBUS master controller and up to 8 local FLEX I/O modules. It is engineered for demanding industrial environments, supporting both standard cyclic I/O data and advanced acyclic DP-V1 data exchange for diagnostics and parameterization.

Features

  • PROFIBUS DP-V1 Support: Enables acyclic data communication, allowing for the transmission of device parameters and diagnostic information without interrupting the primary control loop.
  • High-Speed Communication: Supports network data rates up to 12 Mbps.
  • FLEXbus Power Management: Converts 24 VDC input to a regulated 5 VDC backplane output, providing up to 640 mA to support connected I/O modules.
  • Robust Diagnostics: Features onboard LED indicators for module status and network link activity, simplifying troubleshooting and maintenance.
  • Flexible Configuration: Utilizes manual thumbwheel switches for node address assignment and requires standard GSD files for network integration.

Applications

The 1794-APBDPV1 is suitable for distributed control architectures in sectors such as oil and gas processing, chemical manufacturing, and water treatment. It is ideal for applications requiring centralized control of remote field instrumentation and complex diagnostic data handling.

Technical Specifications

Model 1794-APBDPV1
Communication Protocol PROFIBUS DP-V1
Input Voltage 24 VDC (19.2 to 31.2 VDC range)
Power Consumption 9.6 W at 24 VDC
Backplane Output 5 VDC @ 640 mA
Network Interface 1 x 9-pin D-shell (DB9)
Operating Temperature 0 to 55 degC
Vibration Rating 5 g at 10 to 500 Hz
Weight 0.14 kg

Installation Guidelines

  • Mounting: Install on a 35 mm DIN rail or via direct panel mounting. Use zinc-plated yellow-chromate steel DIN rail to ensure a low-impedance path to earth ground.
  • Power Wiring: Ensure the 24 VDC supply is within the specified range. Limit power source wiring to a maximum length of 10 meters with one conductor per terminal.
  • Environment: Maintain ambient conditions within 0 to 55 degC and 5 to 95 percent non-condensing humidity. Ensure adequate ventilation to manage thermal dissipation.
  • Handling: Observe standard ESD precautions when handling the module. Always disconnect power before installing or removing the adapter from the FLEX I/O base.

FAQ

Q: Does this module require a specific configuration file?
A: Yes, the 1794-APBDPV1 requires the appropriate device-specific GSD file to be imported into your PROFIBUS configuration software for proper network integration.

Q: How many I/O modules can I connect to this adapter?
A: This adapter supports a maximum of 8 standard FLEX I/O functional modules.

Q: What is the purpose of the DP-V1 designation?
A: The DP-V1 designation indicates support for extended PROFIBUS features, specifically acyclic data exchange, which allows for advanced diagnostics and parameter configuration of field devices.