588System overview .................................................................................................
588Connecting the fieldbus to the drive ...................................................................
589Setting up the embedded fieldbus interface .......................................................
590Setting the drive control parameters ...................................................................
592Basics of the embedded fieldbus interface .........................................................
593Control word and Status word ......................................................................
594References ...................................................................................................
594Actual values ................................................................................................
594Data input/outputs ........................................................................................
594Control of drive outputs through EFB ...............................................
594Sending process PID feedback and setpoint values through EFB ....
595Register addressing .....................................................................................
595About the control profiles ....................................................................................
596The ABB Drives profile ........................................................................................
596Control Word ................................................................................................
598Status Word .................................................................................................
599State transition diagram ...............................................................................
601References ...................................................................................................
602Actual values ................................................................................................
603Modbus holding register addresses .............................................................
603The Transparent profile .......................................................................................
604Modbus function codes .......................................................................................
605Exception codes ..................................................................................................
605Coils (0xxxx reference set) .................................................................................
607Discrete inputs (1xxxx reference set) .................................................................
608Error code registers (holding registers 400090…400100) ..................................
9 Fieldbus control through a fieldbus adapter
609What this chapter contains .................................................................................
609System overview .................................................................................................
611Basics of the fieldbus control interface ...............................................................
612Control word and Status word ......................................................................
612Debugging the network words ..........................................................
613References ...................................................................................................
613Debugging the network words ..........................................................
613Scaling of references ........................................................................
614Actual values ................................................................................................
614Debugging the network words ..........................................................
614Scaling of actual values ....................................................................
615Contents of the fieldbus Control word (ABB Drives profile) .........................
617Contents of the fieldbus Status word (ABB Drives profile) ...........................
618The state diagram (ABB Drives profile) .......................................................
619Setting up the drive for fieldbus control ..............................................................
620Parameter setting example: FPBA (PROFIBUS DP) ...................................
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