Sequencing Logic
Page
B-2
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
7
E
Principle State Machine
Main Sequencing States
The main sequencing state of the unit is indicated by an enumerated value given by the parameter
SEQUENCER STATE under SEQUENCING LOGIC menu.
Enumerated
Value
Main Seq State
Standard Name
Description
0
START DISABLED
Switch On Disabled
The Drive will not accept a switch on
command
1
START ENABLED
Ready To Switch On The Drive will accept a switch on
command
2
SWITCHED ON
Switched On
The Drive’s stack is enabled
3
READY
Ready
Waiting for Contactor to be closed
4
ENABLED
Enabled
The Drive is enabled and operational
5 F-STOP
ACTIVE
Fast-Stop
Active
Fast stop is active
6
TRIP ACTIVE
Trip Active
The Drive is processing a trip event
7
TRIPPED
Tripped
The Drive is tripped awaiting trip reset
Table B-1 Enumerated Values for the SEQUENCING LOGIC Function Block