SST SST-PFB3-VME

Product Name

PROFIBUS DP VME Bus Communication Interface Module

Product Introduction

The SST-PFB3-VME is a high-performance PROFIBUS DP communication module purpose-built for VME bus-based industrial control systems. It enables seamless bidirectional data exchange between VME backplane systems and PROFIBUS DP field devices, with configurable master/slave operation to adapt to diverse automation network architectures.

Category:
Description

Technical Specifications

  • Bus Interface: VME64 compliant 32-bit parallel backplane bus
  • Fieldbus Protocol: PROFIBUS DP (fully compliant with EN 50170 standard)
  • Data Transfer Rate: 9.6 kbps to 12 Mbps with automatic baud rate detection
  • Galvanic Isolation: 500 VDC isolation between PROFIBUS port and VME logic circuitry
  • Fieldbus Connector: 9-pin D-sub female connector (IEC 61158 compliant)
  • Power Supply: Powered directly from VME backplane, 5 V DC input
  • Operating Temperature: 0°C to +60°C under full rated load
  • Storage Temperature: -40°C to +85°C
  • Form Factor: Standard VME single-slot card

Functional Features

  • Supports PROFIBUS DP-V0 and DP-V1 protocol versions
  • Controls up to 122 slave devices when configured as DP master
  • Handles both cyclic process data exchange and acyclic parameter communication
  • Integrated diagnostic LEDs for power, system status and communication activity
  • Hardware watchdog timer detects application freezing and triggers system recovery
  • Software-configurable VMEbus interrupt levels 1 through 7

Application Scenarios

  • VME bus-based industrial computers and DCS/PLC control platforms
  • Factory automation production lines and material handling systems
  • Process control systems in chemical, power generation and manufacturing industries
  • Industrial robotics and motion control systems
  • Legacy VME system modernization and fieldbus expansion

Installation Requirements

  • Installs in standard VME card slots within industrial chassis
  • Requires full VME system power shutdown before installation or removal (non-hot-swappable)
  • Secure module with chassis mounting screws
  • PROFIBUS network must have proper termination resistors at both bus ends

Usage Notes

  • Use shielded PROFIBUS cable compliant with EN 50170 specifications
  • Maintain minimum separation from high-voltage power cables to reduce electromagnetic interference
  • Perform network configuration via dedicated PROFIBUS configuration software prior to commissioning
  • Inspect connectors and cable integrity periodically to maintain stable communication
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