Fieldbus control with embedded fieldbus 335
Status words
The following tables describe the Status word content for the DCU profile.
27 REF_CONST 1 Constant speed reference request.
This is an internal control bit. Only for supervision.
0 No operation
28 REF_AVE 1 Average speed reference request.
This is an internal control bit. Only for supervision.
0 No operation
29 LINK_ON 1 Master detected on fieldbus link.
This is an internal control bit. Only for supervision.
0 Fieldbus link is down.
30 REQ_STARTIN
H
1 Start inhibit
0 No start inhibit
31 Reserved
DCU profile Status word, parameter 0303 FB STS WORD 1
Bit Name Value Status
0 READY 1 Drive is ready to receive start command.
0 Drive is not ready.
1 ENABLED 1 External Run enable signal received.
0 No external Run enable signal received.
2 STARTED 1 Drive has received start command.
0 Drive has not received start command.
3 RUNNING 1 Drive is modulating and following reference.
0 Drive is not running.
4 ZERO_SPEED 1 Drive is at zero speed.
0 Drive has not reached zero speed.
5 ACCELERATE 1 Drive is accelerating.
0 Drive is not accelerating.
6 DECELERATE 1 Drive is decelerating.
0 Drive is not decelerating.
7 AT_SETPOINT 1 Drive is at setpoint. Actual value equals reference
value (ie, is within tolerance limits).
0 Drive has not reached setpoint.
DCU profile Control word, parameter 0302 FB CMD WORD 2
Bit Name Value Information