MelsecQnA - Wiring Diagram 1
- Last UpdatedAug 04, 2025
- 1 minute read
The following functional/layout diagrams illustrate the connection between Plant SCADA and the Melsec-QnA Ethernet interface module type AJ71QE7. In these configurations, the primary QnA Series PLC itself is connected to a MELSECNET/10 network. The nodes which are marked as remote can be occupied by a Plant SCADA Workstation.
The following diagram shows connection using 10BASE5 Ethernet cabling:
