Chapter 7 - Options
163
7.4 Communication option boards
7.4.1 F-Net (Needed for Communication with LS GLOFA PLC)
Open network system protocol based on IEC/ISA FieldBus
² Specification
l Topology: Linear Bus Topology
l Band Method: Baseband
l Protocol: Fnet Protocol
l Media Access Method: Token
l Drive link: Fiber optics
l Number of nodes: up to 64 nodes/Bus
l Max. Data transmission size: 256byte
l Baud rate: 1Mbps
l Transmission distance: 750m Max.
l Error check: CRC-16
l Encoding method: Menchester Biphase-L
l Station: 0 – 63 (Setting via Keypad. Dip-switch not provided)
7.4.2 Device-Net (Field bus)
² Features
l Topology: Linear Bus Topology
l Band Method: Baseband
l Protocol: DeviceNet Protocol
l Media Access Method: CSMA/CD-NBA
l (Carrier Sense Multiple Access / Collision Detection – Nondestructive Bitwise Arbitration)
l Drive link: 5-wire Cable (Twisted Pair)
l Number of nodes: 64 nodes/Bus Max
l Max. Data transmission size: max 8 bytes (64bits)
l Data rates and Max. Cable length (thick): 125kbps (500m/1640ft), 250kbps (250m/820ft), 500kbps
(100m/328ft)
² Specification
l Device type: AC Drive
l Communication control method:
① Explicit Peer to Peer Messaging
② Master/Scanner (Predefined M/S Connection)
③ I/O Slave Messaging: Polling Connection
l Baud rate: 125kbps, 250kbps, 500kbps
l Supply voltage: 11 - 25V
l Faulted Node Recovery
l Station: 0 – 63 (Setting via Keypad, Dip-switch not provided)
l Output Assembly Instance: 20, 21(100, 101 vendor specific)
l Input Assembly Instance: 70, 71(110, 111 vendor specific)
l Open Style Connector
l Interface: DPRAM
l Supports EDS files
* Refer to communication option manuals for details.
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