美国恒启－－Extend-A-Bus Series for DeviceNetＢＢ系列
2008/4/28 11:30:05
产品简介：
DeviceNet bus extenders that allow DeviceNet networks to exceed the geographical limits of CAN-based networks. Available in either a fiber optic or coaxial cable backbone
产品分类：工业以太网 其它
品牌：B&B
产品介绍
Features
◆ Extends the length of DeviceNet networks up to 6 km
◆ Fully DeviceNet compliant
◆ Fiber optic or coaxial cabling
◆ Star, bus or distributed star topology
◆ Variable data rate up to 500 kbps
◆ Low voltage AC or DC powered
◆ Panel-mount enclosure
More Information
◆ 957K Data Sheet
◆ 509K User Manual
The EXTEND-A-BUS series of remote communications devices can extend CAN-based device networks such as DeviceNet up to six kilometers, by linking individual DeviceNet subnets together into a single larger network. Each EXTEND-A-BUS creates a DeviceNet subnet and at least two EXTEND-A-BUSes is needed to establish a network. The data rate on each subnet can be different from the other subnets, DeviceNet identifiers or MAC IDs cannot be duplicated on any of the subnets. Each EXTEND-A-BUS pair is best viewed as an extension cord. Each bridge does not consume a permanent MAC ID so it is transparent to the network.
The backbone side of the EXTEND-A-BUS must adhere to standard ARCNET cabling rules. Companion AI ARCNET active hubs are available for extending the backbone cabling up to 6 km using coaxial cabling and ten active hubs. When using a fiber optic backbone, a maximum of 4.8 km can be achieved requiring two active hubs. Hubs are cascaded to reach the required distance.
◆ Extends the length of DeviceNet networks up to 6 km
◆ Fully DeviceNet compliant
◆ Fiber optic or coaxial cabling
◆ Star, bus or distributed star topology
◆ Variable data rate up to 500 kbps
◆ Low voltage AC or DC powered
◆ Panel-mount enclosure
More Information
◆ 957K Data Sheet
◆ 509K User Manual
The EXTEND-A-BUS series of remote communications devices can extend CAN-based device networks such as DeviceNet up to six kilometers, by linking individual DeviceNet subnets together into a single larger network. Each EXTEND-A-BUS creates a DeviceNet subnet and at least two EXTEND-A-BUSes is needed to establish a network. The data rate on each subnet can be different from the other subnets, DeviceNet identifiers or MAC IDs cannot be duplicated on any of the subnets. Each EXTEND-A-BUS pair is best viewed as an extension cord. Each bridge does not consume a permanent MAC ID so it is transparent to the network.
The backbone side of the EXTEND-A-BUS must adhere to standard ARCNET cabling rules. Companion AI ARCNET active hubs are available for extending the backbone cabling up to 6 km using coaxial cabling and ten active hubs. When using a fiber optic backbone, a maximum of 4.8 km can be achieved requiring two active hubs. Hubs are cascaded to reach the required distance.
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