ABB ACH580-BDR - Page 187

178 ACH580 E-Clipse bypass and packaged drive user manual
Fieldbus adapter
The state diagram below describes the start-stop function of CONTROL WORD
(CW) and STATUS WORD (SW) bits.
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)
n(f)=0 / l=0
(SW Bit0=0)
n(f)=0 / l=0
Power ON
(CW Bit3=0)
(SW Bit2=0)
(SW Bit0=1)
(CW xxxx x1xx xxxx x110)
(CW= xxxx x1xx xxxx x111)
(CW Bit4=0)
(CW Bit3=1 and
SW Bit12=1)
(CW Bit6=0)
(SW Bit2=1)
(SW Bit8=1)
MAINS OFF
(SW Bit1=1)
OPERATING
ACD
CD
A
D
C
D
KEY
State
CW = CONTROL WORD
SW = STATUS WORD
l = Param. 0104 CURRENT
f = Param. 0103 OUTPUT FREQ
n = Speed
OFF3
ACTIVE
OFF2
ACTIVE
FAULT
SWITCH-ON
INHIBITED
OPERATION
INHIBITED
READY TO
OPERATE
READY TO
SWITCH ON
NOT READY
TO SWITCH ON
OPERATION
ENABLED
B
OFF1
ACTIVE
(SW Bit1=0)
B
OPERATION INHIBITED
C
(CW Bit5=0)
RFG OUTPUT
ENABLED
(CW=xxxx x1xx xxx1 1111)
(CW=xxxx x1xx xx11 1111)
(CW=xxxx x1xx x111 1111)
B
D
State change
RFG = Ramp Function Generator
RFG: ACCELERATOR
ENABLED