ABB ACS355 User Manual page 322

322 Fieldbus control with embedded fieldbus
DCU profile Control word, parameter
Bit Name
28 REF_AVE
29 LINK_ON
30 REQ_STARTINH 1
31 Reserved
Status words
The following tables describe the Status word content for the DCU profile.
Bit Name
0 READY
1 ENABLED
2 STARTED
3 RUNNING
4 ZERO_SPEED
5 ACCELERATE
6 DECELERATE
7 AT_SETPOINT
8 LIMIT
9 SUPERVISION
10 REV_REF
11 REV_ACT
Value Information
1 Average speed reference request.
This is an internal control bit. Only for supervision.
0 No operation
1 Master detected on fieldbus link.
This is an internal control bit. Only for supervision.
0 Fieldbus link is down.
Start inhibit
0 No start inhibit
DCU profile Status word, parameter
Value Status
1 Drive is ready to receive start command.
0 Drive is not ready.
1 External Run enable signal received.
0 No external Run enable signal received.
1 Drive has received start command.
0 Drive has not received start command.
1 Drive is modulating.
0 Drive is not modulating.
1 Drive is at zero speed.
0 Drive has not reached zero speed.
1 Drive is accelerating.
0 Drive is not accelerating.
1 Drive is decelerating.
0 Drive is not decelerating.
1 Drive is at setpoint. Actual value equals reference
value (ie is within tolerance limits).
0 Drive has not reached setpoint.
1 Operation is limited by group
0 Operation is within group
1 A supervised parameter (group
outside its limits.
0 All supervised parameters are within limits.
1 Drive reference is in reverse direction.
0 Drive reference is in forward direction.
1 Drive is running in reverse direction.
0 Drive is running in forward direction.
0302 FB CMD WORD 2
0303 FB STS WORD 1
20 LIMITS
20 LIMITS
32 SUPERVISION) is
settings.
settings.