Product Short Description
Product Name: SST-PB3-VME-2-E PROFIBUS DP VMEbus Dual Channel Interface Card
Product Overview:
SST-PB3-VME-2-E is a VME form factor industrial communication card, originally ProSoft technology, later acquired by Molex Woodhead. It provides dual independent PROFIBUS DP channels for VME embedded control systems.
Description
- Bus Interface: VMEbus
- Network Protocol: PROFIBUS DP
- Channel Quantity: 2 independent PROFIBUS channels with separate processors
- Supported Baud Rates: 9.6 kbps up to 12 Mbps
- Isolation: 1000 V galvanic isolation per channel
- Operating Temperature: -40°C ~ +85°C
- Form Factor: Standard 6U VME card
Function Features:
- Each channel can operate as PROFIBUS DP Master or DP Slave
- Independent 32-bit embedded CPU for each communication channel
- Shared memory data exchange between VME host and PROFIBUS network
- Flash memory for firmware local upgrade
Application Scenarios:
VME-based industrial controllers, railway vehicle control systems, military embedded automation, large-scale factory distributed I/O networking.
Material Composition:
FR4 industrial PCB; metal front panel; D-SUB PROFIBUS connectors.
Structural Characteristics:
Standard 6U VME card structure, compatible with VME 64x backplane chassis. Front panel with status LED indicators and two PROFIBUS ports.
Working Principle:
Onboard dual CPUs handle PROFIBUS protocol stack independently. Data between VME host CPU and PROFIBUS devices is transmitted via shared memory window defined by address configuration registers.
Installation Requirements:
Insert into standard VME chassis slot. Configure memory mapping address via hardware jumpers or software parameters. Terminate PROFIBUS bus at both physical ends.
Usage Notes:
Match PROFIBUS baud rate across all network nodes. Maintain proper EMC grounding of VME chassis.
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