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CBL-000-F5-003 Dataheets PDF



Part Number CBL-000-F5-003
Manufacturers General Electric Company
Logo General Electric Company
Description Ultrahigh Speed Fiber-Optic Reflective Memory
Datasheet CBL-000-F5-003 DatasheetCBL-000-F5-003 Datasheet (PDF)

GE Fanuc Automation VMIVME-5565 Specifications www.DataSheet4U.com Ultrahigh Speed Fiber-Optic Reflective Memory with Interrupts Features: • High speed, easy to use fiber-optic network (2.12 Gbaud • • • • • • serially) Data written to memory in one node is also written to memory in all nodes on the network Up to 256 nodes Connection with multimode fiber up to 300m, single mode fiber up to 10km Dynamic packet size, 4 to 64 bytes of data Network transfer rate 43 Mbyte/s (4 byte packets) to 174 M.

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GE Fanuc Automation VMIVME-5565 Specifications www.DataSheet4U.com Ultrahigh Speed Fiber-Optic Reflective Memory with Interrupts Features: • High speed, easy to use fiber-optic network (2.12 Gbaud • • • • • • serially) Data written to memory in one node is also written to memory in all nodes on the network Up to 256 nodes Connection with multimode fiber up to 300m, single mode fiber up to 10km Dynamic packet size, 4 to 64 bytes of data Network transfer rate 43 Mbyte/s (4 byte packets) to 174 Mbyte/s (64 byte packets) VMEbus transfer rate 40 Mbyte/s • 64 Mbyte or 128 Mbyte SDRAM Reflective Memory • Two independent DMA channels • Any node on the network can generate an interrupt in any • • • • • • other node on the network or in all network nodes with a single command Error detection Redundant transfer mode for extra error suppression No processor overhead No processor involvement in the operation of the network VMISFT-RFM2G network and shared memory driver included ® ® Operating system support for Windows NT , Windows 2000, ® ® VxWorks , and Linux VMIVME-5565 Ultrahigh Speed Fiber-Optic Reflective Memory with Interrupts involvement of the processors on any node. Using this system, all nodes on the network have a local copy of shared data available for immediate access. Product Overview: The Reflective Memory concept provides a very fast and efficient way of sharing data across distributed computer systems. GE Fanuc Embedded Systems’ VMIVME-5565 Reflective Memory interface allows data to be shared between up to 256 independent systems (nodes) at rates up to 174 Mbyte/s. Each Reflective Memory board can be configured with either 64 Mbyte or 128 Mbyte of onboard SDRAM. The local SDRAM provides fast Read access times to stored data. Writes are stored in local SDRAM and broadcast over a high speed fiberoptic data path to other Reflective Memory nodes. The transfer of data between nodes is software transparent, so no I/O overhead is required. Transmit and Receive FIFOs buffer data during peak data rates to optimize processor and bus performance to maintain high data throughput. The Reflective Memory also allows interrupts to one or more nodes by writing to a byte register. These interrupt (four levels, each user definable) signals may be used to synchronize a system process, or used to follow any data. The interrupt always follows the data to ensure the reception of the data before the interrupt is acknowledged. Each node on the system has a unique identification number between 0 and 255. The node number is established during hardware system integration by a series of onboard switches. This node number can be read by software by accessing an onboard register. In some applications, this node number would be useful in establishing the function of the node. Link Arbitration: The VMIVME-5565 system is a fiber-optic daisy chain ring as shown in Figure 1. Each transfer is passed from node-to-node until it has gone all the way around the ring and reaches .


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