The SST-PB3-VME-1 is a high-performance VMEbus interface module designed for seamless integration of Profibus DP networks into VME-based control systems. This module serves as a critical communication bridge, offloading complex protocol processing from the host controller to its onboard processor. By managing Profibus DP-V0 and DP-V1 messaging independently, it ensures deterministic, low-latency data exchange, which is vital for maintaining stability in demanding industrial environments such as power generation and automated manufacturing.
Features
Supports Profibus DP-V0 and DP-V1 protocols for versatile network integration.
Configurable as either a Profibus Master or Slave node.
High-speed VMEbus interface for rapid memory access and real-time data transfer.
Onboard processor architecture minimizes CPU load on the host VME controller.
Robust industrial design with high EMI resistance for reliable operation in noisy electrical environments.
Supports transmission speeds ranging from 9.6 kbps up to 12 Mbps.
Applications
The SST-PB3-VME-1 is primarily utilized in turbomachinery control systems, power plant automation, and distributed I/O architectures where VMEbus controllers must interface with Profibus-enabled field devices, sensors, and actuators.
Technical Specifications
Parameter
Specification
Model
SST-PB3-VME-1
Brand
Woodward / Molex Woodhead
Module Type
Profibus Communication Module
Bus Interface
VMEbus
Protocol
Profibus DP (DP-V0, DP-V1)
Baud Rate
9.6 kbps to 12 Mbps
Power Consumption
5 W
Operating Temperature
0 to 60 deg C
Installation Guidelines
Ensure the VME rack is powered down before inserting or removing the module to prevent electrical damage.
Verify that the VME backplane slot is configured correctly for the module's address space.
Use shielded Profibus-rated cabling to maintain signal integrity and minimize EMI interference.
Ensure proper grounding of the VME chassis to the plant common ground to protect against surge and noise.
Maintain adequate airflow within the cabinet to stay within the 0 to 60 deg C operating temperature range.
Handle the module by the edges or front panel to avoid electrostatic discharge (ESD) damage to sensitive components.
FAQ
Can this module operate as a Profibus Master?
Yes, the SST-PB3-VME-1 supports both Master and Slave configurations, allowing it to act as a primary controller or a secondary node depending on your system requirements.
What is the maximum data rate supported?
The module supports standard Profibus baud rates up to 12 Mbps, ensuring high-speed communication for time-critical control applications.
