ACH550 E-Clipse Bypass User’s Manual 2-187
Embedded fieldbus
DCU profile
The following tables describe the
STATUS WORD content for the DCU profile.
10 ABOVE_LIMIT 1 Supervised parameter’s value > supervision high limit.
Bit remains “1” until supervised parameter’s value <
supervision low limit.
See group 32, Supervision
0 Supervised parameter’s value < supervision low limit.
Bit remains “0” until supervised parameter’s value >
supervision high limit.
See group 32, Supervision
11 EXT CTRL LOC 1 External control location 2 (EXT2) selected
0 External control location 1 (EXT1) selected
12 EXT RUN ENABLE 1 External Run Enable signal received
0 No External Run Enable signal received
13… 15 Unused
DCU Profile
STATUS WORD
Bit Name Value Status
0 READY 1 System is ready to receive start command.
0 System is not ready.
1 ENABLED 1 External run enable signal received.
0 No external run enable signal received.
2 STARTED 1 System has received start command.
0 System has not received start command.
3 RUNNING 1 System is modulating.
0 System is not modulating.
4 ZERO_SPEED 1 System is at zero speed.
0 System has not reached zero speed.
5 ACCELERATE 1 System is accelerating.
0 System is not accelerating.
6 DECELERATE 1 System is decelerating.
0 System is not decelerating.
7 AT_SETPOINT 1 System is at setpoint.
0 System has not reached setpoint.
8 LIMIT 1 Operation is limited by Group 20 settings.
0 Operation is within Group 20 settings.
9 SUPERVISION 1 A supervised parameter (Group 32) is outside its limits.
0 All supervised parameters are within limits.
ABB Drives Profile (EFB)
STATUS WORD
Bit Name Value
Description
(Correspond to states/boxes in the state diagram)
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