Parker ac890 - Page 211

8-12
Operating the Drive
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
8
9
10
11
A
B
C
D
1
2
3
4
5
6
E
Forced Coast Stop
Using the Not Coast Stop mode immediately disables the power stack, causing the load to coast to a stop.
The drive gives priority to the NOT COAST STOP signal. The NOT FAST STOP signal is therefore
ignored while NOT COAST STOP is active.
POWER CIRCUIT DISABLED
SPEED DEMAND
REMOTE SETPOINT
Speed 0%
SPEED TRIM
NOT COAST STOP
Figure 8.8 Forced Coast Stop example