
B-5
Sequencing Logic
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
Current State
Next State
Cause (FALSE to TRUE)
6
Ready To Switch On Switched On RUN = TRUE or JOG = 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