Hitachi FL.NET User Manual page 26

Figure 1-1 FA Control Network Configuration Example ........................................................ 1-2
Figure 1-2 FL-net Protocol Basis Structure ............................................................................. 1-3
Figure 2-1 FA Control Network Configuration Example ........................................................ 2-2
Figure 3-1 Mounting the Option Module ................................................................................. 3-2
Figure 3-2 Setting the MAIN/SUB Selector Switch ................................................................ 3-4
Figure 4-1 100BASE-TX Communication Cable Wiring ........................................................ 4-2
Figure 4-2 Hub and Connected Devices ..................................................................................
Figure 4-3 A Sample Configuration Using a 100-Mbps Hub of Class 1 ................................. 4-5
Figure 4-4 A Sample Configuration Using 100-Mbps Hubs of Class 2 ..................................
Figure 4-5 A Sample Configuration Using 100-Mbps Switching Hubs ..................................
Figure 4-6 Unit Ground Wiring ............................................................................................... 4-6
Figure 5-1 FL-net Concept ....................................................................................................... 5-2
Figure 5-2 FA Link Protocol .................................................................................................... 5-3
Figure 5-3 FL-net IP Address .................................................................................................. 5-4
Figure 5-4 FL-net Connection Capacity and Node Numbers .................................................. 5-4
Figure 5-5 Data Communication Types Supported by FL-net................................................. 5-5
Figure 5-6 Typical Common Memory and Cyclic Transmission ............................................ 5-5
Figure 5-7 Typical Message Transmission ..............................................................................
Figure 5-8 Data Amount of Cyclic Transmission ....................................................................
Figure 5-9 Data Amount of Message Transmission ................................................................
Figure 5-10 Typical Refresh Cycle Time Limit ......................................................................... 5-7
Figure 5-11 Data Area and Memory .......................................................................................... 5-8
Figure 5-12 Token Rotation and Cyclic Transmission 1 ......................................................... 5-12
Figure 5-13 Token Rotation and Cyclic Transmission 2 ......................................................... 5-12
Figure 5-14 Cyclic Transmission Common Memory Area Example 1 ................................... 5-13
Figure 5-15 Cyclic Transmission Common Memory Area Example 2 ................................... 5-14
Figure 5-16 Common Memory Area 1 and 2 ........................................................................... 5-14
Figure 5-17 Data Synchronicity Assurance ............................................................................. 5-15
Figure 5-18 Message Transmission Overview ......................................................................... 5-16
Figure 5-19 Byte Block Read ...................................................................................................
Figure 5-20 Byte Block Write .................................................................................................. 5-19
Figure 5-21 Word Block Read ................................................................................................. 5-20
Figure 5-22 Word Block Write ................................................................................................ 5-21
Figure 5-23 Network Parameter Read...................................................................................... 5-22
Figure 5-24 Network Parameter Write ..................................................................................... 5-23
Figure 5-25 Run/Stop Directive ...............................................................................................
FIGURES
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4-5
4-5
5-6
5-6
5-6
5-18
5-24