188 • Ethernet/IP (Ethernet/Industrial Protocol)Characteristics of the Ethernet/IP Protocol SoftwareWAGO-I/O-SYSTEM 750ETHERNET TCP/IP7.2 Characteristics of the Ethernet/IP Protocol SoftwareLevel 1 Level 1: Explicit Messages ServerLevel 2 Level 2: Level 1 + I/O Messages Server• Unconnected Message Manager (UCMM) Client and Server• 128 Encapsulation Protocol sessions• 128 Class 3 or Class 1 Connections combinedClass 3 connection – explicit messages (connection oriented,client and server)Class 1 connection – I/O messages (connection oriented, clientand server)
