The SST SST-PFB3-VME-2 is a high-performance VMEbus interface card that provides PROFIBUS DP connectivity for VME-based industrial control systems. This card enables VME processor boards to communicate as PROFIBUS masters or slaves, integrating VME systems into PROFIBUS networks widely used in manufacturing automation.
The SST-PFB3-VME-2 supports both PROFIBUS DP master and slave operation modes. As a master, the card can manage up to 126 PROFIBUS slave devices, handling cyclic data exchange and acyclic parameterization services. In slave mode, the VME system can be configured as a PROFIBUS slave, allowing it to be controlled by any PROFIBUS master on the network.
The card implements a full VMEbus interface compliant with the VME64 standard. It supports A16, A24, and A32 addressing modes, as well as D08, D16, and D32 data transfers. The card can operate as a VMEbus slave, responding to access from VMEbus masters, or can initiate VMEbus cycles when configured as a bus master.
Bus Interface: VME64 compliant (A16/A24/A32, D08/D16/D32)
Network Protocol: PROFIBUS DP (master and slave modes)
Supported Baud Rates: 9.6 kbps to 12 Mbps
Maximum Slave Nodes: 126 when operating as master
DP-V1 Support: Acyclic data exchange for parameterization
Isolation: Galvanic isolation between PROFIBUS and VMEbus
Form Factor: 6U VME (single slot)
Operating Temperature: 0°C to +55°C

The card fully implements the PROFIBUS DP-V1 standard, supporting both cyclic I/O data exchange and acyclic services for parameterization and diagnostics. The onboard processor handles the real-time requirements of the PROFIBUS protocol, offloading communication tasks from the VME host processor. Configuration is accomplished through GSD files or an API for custom applications.
This interface card is designed for VME-based systems used in industrial control, defense applications, and test equipment that require connectivity to PROFIBUS networks. It is particularly suitable for integrating legacy VME systems into modern PROFIBUS networks or for developing new VME-based controllers with PROFIBUS capability.



