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YOKOGAWA

Yokogawa Electric Corporation

Control Network Vnet/IP

Technologies

Vnet/IP Keywords

Real time: world's fastest control network
  - 1 Gbps high-speed Ethernet
Excellent reliability: functionally V net compatible
  - An ideal control network that ensures highly reliable real-time communications
Openness: coexists with general-purpose Ethernet communications
  - An integrated control network platform that can communicate with non-CENTUM components via TCP/IP, enabling the network to be configured with commercially available network equipment.

Overview of Vnet/IP Communications

Vnet/IP Specifications

General specifications
Topology Star/Tree topology
Transmission speed 1 Gbps for Yokogwa Hardware, 100 Mbps for general Ethernet equipment
Access control Full duplex
Scale 64 stations/domain
Bus configuration Dual redundant
Control communication Functionally compatible with V net
Open communication TCP/IP
Network equipment Commercially available switching hubs and routers
Cables CAT5e or higher UTP cables or single-mode fiber optic cables

Quick Review of Vnet/IP Features

- Both Vnet/IP and V net have the highly reliable real-time communications capabilities that are required of control networks.
- Vnet/IP coexists with general-purpose Ethernet communications and thus provides an appropriate platform for the open environments of the future.
- Vnet/IP supports a flexible variety of network configurations and reduces configuration costs by enabling the use of commercially available communication equipment.

 

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