State Machine - ABB FENA-01 User Manual

State machine

The state machine for the ABB Drives communication profile is
shown below.
MAINS OFF
Power ON
A B C D
(CW Bit3=0)
OPERATION
INHIBITED
(SW Bit2=0)
operation
inhibited
from any state
OFF1 (CW Bit0=0)
OFF1
ACTIVE
(SW Bit1=0)
n(f)=0 / I=0
B C D
(CW Bit4=0)
C D
(CW Bit5=0)
(CW Bit6=0)
Modbus/TCP – Communication profiles
SWITCH-ON
INHIBITED
(CW Bit0=0)
NOT READY TO
SWITCH ON
(CW=xxxx x1xx xxxx x110)
READY TO
SWITCH ON
(CW=xxxx x1xx xxxx x111)
READY TO
OPERATE
(CW=xxxx x1xx xxxx 1111
and SW Bit12=1)
from any state
(CW Bit3=1
and
SW Bit12=1)
OPERATION
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)
OPERATION
D
(SW Bit6=1)
communication
(SW Bit0=0)
CW
SW
n
I
RFG = Ramp function
f
(SW Bit0=1)
from any state
FAULT
(SW Bit1=1)
from any state
Emergency stop
OFF3 (CW Bit2=0)
OFF3 OFF2
(SW Bit5=0)
ACTIVE ACTIVE
n(f)=0 / I=0
(SW Bit2=1)
(SW Bit8=1)
95
ABB Drives
profile
= Control word
= Status word
= Speed
= Input current
generator
= Frequency
Fault
(SW Bit3=1)
(CW Bit7=1)
Emergency OFF
OFF2 (CW Bit1=0)
(SW Bit4=0)
state
condition
rising edge
of the bit