Hach SC4500 User Manual page 8

Figure 4 EtherNet/IP or PROFINET module slot
1 Module slot
Configure the controller with 1 or 2 Industrial Ethernet ports based on the network configuration. For
star topologies, configure the controllers with 1 Ethernet port. Refer to
topologies, configure the controller with 2 Ethernet ports. Refer to
Figure 5 Controller with 1 Ethernet port—LAN + PROFINET or Ethernet/IP
6 English
Figure 5. For chain or ring
Figure 6.