Sequencing Logic
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D Page B-5
8
9
10
11
B
C
D
1
2
3
4
5
6
7
E
Current State Next State Cause (FALSE to TRUE)
7 Switched On Trip Active
Trip (includes CONTACTOR CLOSED = FALSE after
10 seconds)
8 Switched On
Switch On
Disabled
NOT COAST STOP = FALSE or NOT FAST STOP =
FALSE
9 Switched On
Ready To
Switch On
RUN = FALSE and JOG = FALSE
10 Switched On Ready CONTACTOR CLOSED = TRUE and defluxed
11 Ready Trip Active Trip (includes CONTACTOR CLOSED = FALSE)
12 Ready
Switch On
Disabled
NOT COAST STOP = FALSE or NOT FAST STOP =
FALSE
13 Ready
Ready To
Switch On
RUN = FALSE and JOG = FALSE
14 Ready Enabled ENABLE = TRUE
15 Enabled Trip Active Trip (includes CONTACTOR CLOSED = FALSE)
16 Enabled
Switch On
Disabled
NOT COAST STOP = FALSE
17 Enabled
Fast Stop
Active
NOT FAST STOP = FALSE
18 Enabled
Ready To
Switch On
RUN = FALSE, JOG = FALSE and stopping
complete
19 Enabled Ready ENABLE = FALSE