Willowglen Systems Inc. offers a full-featured SCADA software package for the high communication processing requirements of SCADA systems with large numbers of serial communications lines. The Willowglen VISTA-II™ FEP (Front End Processor) is ideally suited to offloading the serial communications load from the main SCADA processors and thereby providing a quicker, more economical and more efficient distributed processing system. The FEP connects to the SCADA host computers over standard 10/100 Mbps Ethernet Local Area Network connections and communicates on the LAN using TCP/IP. The FEP is equipped with serial communication expansion cards with RISC processors and each FEP can support up to 224 serial communication lines.
The FEP is available in single or completely fault tolerant dual redundant configurations where under normal circumstances, both FEPs will simultaneously communicate with the RTUs. If one FEP fails, then Willowglen's Changeover Switch Rack can be used to automatically switch the communication lines to the other unit without any interruption to the system.
Willowglen provides a number of modem and radio options including high-density modem racks which can multi-drop a number of 2400 to 33.6k baud modems to a single RS-232 communication line.
Not only can the VISTA-™II FEP handle all of the communications to the RTUs, it can also
Ethernet, Reflective Memory, Fibre Channel and InfiniBand technology, supported by a variety of systems and management solutions.
Product Family
Embedded Switches
A broad selection of embedded Ethernet switches based on VME, CompactPCI� and PMC open standards, available unmanaged or with management software and support for a variety of applications.
Ethernet Solutions
A wide selection of Network Interface Cards (NICs) including 10/100/1000Base Ethernet with single, dual, quad and octal ports on a single card, broad OS and Bus support and additional features for high performance interconnection.
Reflective Memory
A full range of Reflective Memory products providing localized sharing of data for each node of high speed, real-time network, supporting PMC, PCI or VME interfaces.
Infiniband
Unique technology providing a PCI to PCI bridge Serial Fiber link for transparency of I/O devices and for controlling remote chassis systems.
Serial I/O
Versatile serial I/O interfaces with a broad selection of features and unique designs to fit specific requirements, supporting a full range of Ethernet options and all the popular operating systems.
Multifunctional I/O
Single and multi-port Serial I/O interfaces to reduce host processor overhead as well as units for conversion and application configuration functions.
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