Principle State Machine; Main Sequencing States - Parker AC890 Product Manual

Sequencing Logic

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
0
1
2
3
4
5
6
7
Table B-1 Enumerated Values for the SEQUENCING LOGIC Function Block
B-2
Page
Main Seq State Standard Name
START DISABLED Switch On Disabled
START ENABLED Ready To Switch On
SWITCHED ON Switched On
READY Ready
ENABLED Enabled
F-STOP ACTIVE Fast-Stop Active
TRIP ACTIVE Trip Active
TRIPPED Tripped
Description
The Drive will not accept a switch on
command
The Drive will accept a switch on
command
The Drive's stack is enabled
Waiting for Contactor to be closed
The Drive is enabled and operational
Fast stop is active
The Drive is processing a trip event
The Drive is tripped awaiting trip reset
890SD (Standalone) Drive: Frame G, H & J