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圖1 斷線備援: 使用 RS-405 可以在100ms(可調)內讓備援路逕(Backup path)變成運作路徑(Active path)，並讓整個區域網路正常運作。
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圖2 多種的網路拓樸: RS-405專用的STP協定，可以讓使用者做出除了基本的環狀外的多種其它的網路拓樸。
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圖3 節費的環狀斷線備援乙太網路: 利用一個RS-405 配上數個價格比較低廉的一般非管理型乙太網路交換器(例如: NS-205/208 系列)，連成環狀，這樣的區域網也可以具備斷線備援的能力。
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節費環狀斷線備援乙太網路架構的RS-405，使用兩個網路埠(Ring Pair)連接至一般非管理型乙太網路交換器，
剩餘網路埠需保持空接，不可以連接至其他網路裝置。 |
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圖4 繼電器輸出: RS-405 的繼電器輸出(Relay output)可以在其中一組電源失效時，或斷線時對外界發出警告訊號。
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圖5 Modbus/TCP: RS-405支持 Modbus/TCP協定，透過它，網路管理者可以隨時取得當前的網路連線狀態，也可以跟SCADA做整合，讓SCADA可以知道它所處的網路的連線資訊。
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Features
- Plug and Play
- Provide redundant path to Ethernet LAN
- Support various ring Topologies
- Real-time performance
- Certified for harsh industrial environments
- Support Modbus/TCP protocol to read port status
- Relay output for link lose alarm
- Support redundant power input |
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Specifications:
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Ethernet switch type |
Intelligent store & forward |
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RJ45 ports (shielded) |
10/100BaseT(x) |
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RJ45 speed (auto-negotiating) |
10 Mbps or 100 Mbps |
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RJ45 auto-mdi/mdi-x |
All 5 ports |
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Ethernet protocols supported |
All standard IEEE 802.3 |
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Memory bandwidth |
3.2 Gbps |
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Completely compliant |
IEEE 802.3, IEEE 802.3u, IEEE802.3x |
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Full or half duplex operation |
Auto-sensing |
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MAC addresses supported |
2K |
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Ethernet isolation |
1500 VRMS 1 minute |
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Required supply voltage |
+10 ~ +30 VDC |
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Power input isolation |
1KV |
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Power consumption
(Redundant input terminals)
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5 W
(typical - all ports active at 100 Mbps)
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Operating temperature |
-30 ~ +75°C |
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Storage temperature |
-40 ~ +85°C |
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Vibration |
EN 50155 and EN11373. |
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EMC immunity |
EN61326-1 (EN61000-4-2, 3, 4, 5, 6) |
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Dimensions
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Ordering Information
RS-405: 5 port Real-time-ring Switch
RSM-405: 5 port Real-time-ring Switch with metal case |
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