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