State Machine For The Abb Drives Communication Profile - ABB ACS800 Firmware Manual

252

State Machine for the ABB Drives communication profile

MAINS OFF
Power ON
A B C D
(CW Bit3=0)
OPERATION
INHIBITED
operation
inhibited
from any state
OFF1 (CW Bit0=0)
OFF1
ACTIVE
n(f)=0 / I=0
(CW Bit4=0)
(CW Bit5=0)
(CW Bit6=0)
Fieldbus control
SWITCH-ON
INHIBITED
NOT READY
TO SWITCH ON
READY TO
SWITCH ON
(SW Bit2=0)
READY TO
OPERATE
(SW Bit1=0)
(CW Bit3=1
and
SW Bit12=1)
B C D
OPERATION
C D
ENABLED
A
(CW=xxxx x1xx xxx1 1111)
RFG: OUTPUT
D
ENABLED
B
(CW=xxxx x1xx xx11 1111)
RFG: ACCELERATOR
ENABLED
C
(CW=xxxx x1xx x111 1111)
OPERATING
D
(SW Bit6=1)
(CW Bit0=0)
(SW Bit0=0)
(CW=xxxx x1xx xxxx x110)
(SW Bit0=1)
(CW=xxxx x1xx xxxx x111)
(SW Bit1=1)
(CW=xxxx x1xx xxxx 1111
and SW Bit12=1)
from any state
Emergency Stop
OFF3 (CW Bit2=0)
OFF3
ACTIVE
(SW Bit5=0)
n(f)=0 / I=0
(SW Bit2=1)
(SW Bit8=1)
ABB Drives
Communication
Profile
CW = Control Word
SW = Status Word
n = Speed
I = Input Current
RFG = Ramp Function Generator
f = Frequency
from any state
Fault
FAULT
(SW Bit3=1)
(CW Bit7=1)
from any state
Emergency OFF
OFF2 (CW Bit1=0)
OFF2
ACTIVE
(SW Bit4=0)