154 ACH580 E-Clipse bypass and packaged drive user manual
Embedded fieldbus
The state diagram below describes the start-stop function of CONTROL WORD (CW)
and
STATUS WORD (SW) bits for the ABB Drives profile.
From any state From any state From any state
Emergency Stop
OFF3 (CW Bit2=0)
Emergency Off
OFF2 (CW Bit1=0)
Fault
From any state
(SW Bit5=0)
(SW Bit4=0)
(SW Bit3=1)
(CW Bit7=1)*
(CW Bit0=0)
(SW Bit6=1)
OFF1 (CW Bit0=0)
f=0 / l=0
(SW Bit0=0)
f=0 / l=0
Power ON
(CW Bit3=0)
(SW Bit2=0)
(SW Bit0=1)
(CW xxxx xxxx xxxx x110)
(CW xxxx xxxx xxxx x111)
(CW Bit5=0)
(CW Bit3=1 and
SW Bit12=1)
(CW Bit6=0)
(SW Bit2=1)
(CW Bit5=1)
(CW Bit6=1)
(SW Bit8=1)
MAINS OFF
(SW Bit1=1)
OPERATING
ACD
CD
A
D
C
D
KEY
State
CW = CONTROL WORD
SW = STATUS WORD
Path described in example
l = Param. 0104 CURRENT
f = Param. 0103 OUTPUT FREQ
RFG = Ramp Function Generator
*This state transition also occurs if the fault is reset from any other source (e.g. digital input).
OFF3
ACTIVE
OFF2
ACTIVE
FAULT
SWITCH-ON
INHIBITED
OPERATION
INHIBITED
READY TO
OPERATE
READY TO
SWITCH ON
NOT READY
TO SWITCH ON
RFG: ACCELERATOR
ENABLED
OPERATION
ENABLED
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