222 Fieldbus control through the embedded fieldbus interface (EFB)Connecting the fieldbus to the driveConnect the fieldbus to terminal slot, which is attached on the control unit of the drive.The connection diagram is shown below.The AC500 PLC has a free version library called ‘PS553 drives’ which help user tocommunicate and control between PLC and drives easily.DriveONTERMONBIASSLOT 1TERM ON 1)BIAS ON 2)DriveONTERMONBIASTERM OFFBIAS OFF ...Process I/O (cyclic)Service messages (acyclic)Data flowControl Word (CW)Status Word (SW)Actual valuesParameter R/Wrequests/responsesFieldbus controllerFieldbusDriveONTERMONBIASSLOT 1TERM OFFBIAS OFFTermination ON 1)1) The device at both ends on the fieldbus must have termination on.2) One device, preferably at the end on the fieldbus must have bias on.SLOT 1
