3
6053/6055 Modbus Plus Communications Interface
Comms
Option
Feedback
Option
Speed
Speed
Option
Comms
Option
Feedback
690+ Frame D illustrated
590+ Frame 1 illustrated
Figure 3. 690+ frames C - J, and 590+ all frame sizes
Cable Specifications
Shielded twisted pair.
Initial Power-on Checks
With the correct connections to the active PLC/SCADA supervisor, the MODULE LED will be
ON continuously. The NETWORK LED will flash to indicate the No Connection State.