Industrial Communication Networks


Types of Communication

  • EthetNet/IP
  • ControlNet
  • DeviceNet
  • ProfiBus
  • ProfiNet
  • Sercos
  • Modbus
  • CCLink

 1.EthetNet/IP

  • Maximum Communication Length 100 meters
  • Maximum Communication Speed 100 Mbps
  • Developer Intel 

 2.ControlNet  

  • Maximum Nodes 99, 48 Nodes without Repeater
  • Maximum communication Length 1000 meters (coax) @ 5Mbps (1000 meters with two nodes, 250 meters with 48 nodes)
  • Maximum Communication speed 5Mbps
  • Developer Allen Bradley

3.DeviceNet   

  • Maximum Communication Nodes 63 
  • Communication Speed
            500 meters @ 125 Kbps
            250 meters @ 250 Kbps
            100 meters @ 500 Kbps
  •  Developer Allen Bradley

4.ProfiBus  

  • Maximum Nodes 126
  • The cable length between two repeaters is limited from 100 meters to 1200 meters.
  • Maximum communication speed 9.6 Kbps to 12 Mbps
  • Developer Siemens

5.ProfiNet  

  • Maximum Nodes 1024
  • Maximum Communication Length 100 meters
  • Maximum Communication Speed 100 Mbps
  • Developer Siemens

6.Sercos 

  • Maximum Nodes 254
  • Maximum Communication Speed 100 Mbps or Gbps
  • Plastic Fiber - POF (1 mm diameter) - 40 meters
  • Glass Fiber - HCS  (200 µm diameter) - 40 meters

7.Modbus RTU  


  • Maximum Nodes 254, 0 Node reserved
  • Maximum Communication Speed 1.25 Mbps 
  • Maximum Communication Length 1200 meters
  • Developer Modicon (Now Schneider Electric) 

 8.CC-Link  

  • Maximum Nodes 64
  • Maximum Communication Speed 10 Mbps
  • Maximum Communication Length 100 meters
  • Developer Mitsubishi Electric

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