Card Overview
The 5136-PFB-VME card can be used as a
- as DP slave
- as DP master
- Send and receive FDL (Layer 2) messages
The card supports simultaneous operation in all these modes.
The card supports the standard ProfiBus baud rates of 9.6K, 19.2K, 93.75K, 187.5K, 500K, and 187.5K,
187.5K, 500K, 750K, 1.5M, 3M, 6M and 12M baud rates.
The card has an onboard Intel i960 processor and 512 Kbytes of local RAM,
The card has an on-board Intel i960 processor and 512 Kbytes of local RAM,
which handles the communication protocols and data formats into shared RAM.
The 5136-PFB-VME includes
a VME bus interface with functions as described in the "Specifications" section of this manual
Five registers in the VME short address space for controlling the card. The card also has a 256 kilobyte RAM that
It is shared with the host in either a single 256-kilobyte block (linear addressing mode) or one of sixteen 16-kilobyte pages (paged mode).
In paged mode, the host decides which page of the shared RAM to map into host memory by writing to a register on the card.
This block of memory contains all the tables and buffers used to pass information between the interface card and the application software running on the host.
Passing information between applications running on the host.
This method ensures a quick and easy connection between the card software.
In addition, the interface card has 512 Kbytes of segmented flash memory for storing program and configuration data.
ProfiBus configuration information can also be stored in the flash memory.
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