ABB DCS550 - Page 219

219
Signal and parameter list
3ADW000379R0501 DCS550 Manual e e
Signal / Parameter name
min.
max.
def.
unit
DCS Control Panel
LocalLossCtrl (30.27)
fixed to 10 s
F546 LocalCmdLoss
A130 LocalCmdLoss
DWL
R-type fieldbus
ComLossCtrl (30.28)
FB TimeOut (30.35)
F528 FieldBusCom
A128 FieldBusCom
SDCS-COM-8
F543 COM8Com
A113 COM8Com
30.27 LocalLossCtrl (local loss control)
LocalLossCtrl (30.27)
determines the reaction to a local loss (DCS Control Panel, DWL).
F546 LocalCmdLoss
[FaultWord3 (9.03) bit 13] is set with:
0 =
RampStop The input of the drives ramp is set to zero. Thus, the drive stops according to E
StopRamp (22.04). When reaching M1ZeroSpeedLim (20.03) the firing pulses are set to
150 degrees to decrease the armature current. When the armature current is zero the
firing pulses are blocked, the contactors are opened, field exciter and fans are stopped.
1 =
TorqueLimit The output of the drives ramp is set to zero. Thus, the drive stops at the active torque
limit. When reaching M1ZeroSpeedLim (20.03) the firing pulses are set to 150 degrees
to decrease the armature current. When the armature current is zero the firing pulses are
blocked, the contactors are opened, field exciter and fans are stopped.
2 =
CoastStop The firing pulses are immediately set to 150 degrees to decrease the armature current.
When the armature current is zero the firing pulses are blocked, the contactors are
opened, field exciter and fans are stopped.
3 =
DynBraking dynamic braking
A130 LocalCmdLoss
[AlarmWord2 (9.07) bit 13] is set with:
4 =
LastSpeed the drive continues to run at the last speed before the warning
5 =
FixedSpeed1 the drive continuous to run with FixedSpeed1 (23.02)
Not
e:
The time out for
LocalLossCtrl (30.27) is fixed to 10 s.
Int. Scaling: 1 == 1 Type: C Volatile: N
RampStop
FixedSpeed1
RampStop
-
30.28 ComLossCtrl (communication loss control)
ComLossCtrl (30.28)
determines the reaction to a communication control loss (R-type fieldbusses) see also
CommandSel (10.01)
.
F528 FieldBusCom
[FaultWord2 (9.02) bit 11] is set with:
0 =
RampStop The input of the drives ramp is set to zero. Thus, the drive stops according to E
StopRamp (22.04). When reaching M1ZeroSpeedLim (20.03) the firing pulses are set to
150 degrees to decrease the armature current. When the armature current is zero the
firing pulses are blocked, the contactors are opened, field exciter and fans are stopped.
1 =
TorqueLimit The output of the drives ramp is set to zero. Thus, the drive stops at the active torque
limit. When reaching M1ZeroSpeedLim (20.03) the firing pulses are set to 150 degrees
to decrease the armature current. When the armature current is zero the firing pulses are
blocked, the contactors are opened, field exciter and fans are stopped.
2 =
CoastStop The firing pulses are immediately set to 150 degrees to decrease the armature current.
When the armature current is zero the firing pulses are blocked, the contactors are
opened, field exciter and fans are stopped.
3 =
DynBraking dynamic braking
A128 FieldBusCom
[AlarmWord2 (9.02) bit 11] is set with:
4 =
LastSpeed the drive continues to run at the last speed before the warning
5 =
FixedSpeed1 the drive continuous to run with FixedSpeed1 (23.02)
Note
:
The time out for
ComLossCtrl (30.28) is set by FB TimeOut (30.35) for all R-type fieldbusses.
Int. Scaling: 1 == 1 Type: C Volatile: N
RampStop
FixedSpeed1
RampStop
-