ABB DCS550 - Page 220

220
Signal and parameter list
3ADW000379R0501 DCS550 Manual e e
Signal / Parameter name
min.
max.
def.
unit
30.29 AI Mon4mA (analog input 4 mA fault selector)
AI Mon4mA
(30.29) determines the reaction to an undershoot of one of the analog inputs under 4 mA / 2 V -
if
it is configured to this mode:
0 =
NotUsed
1 =
Fault the drive stops according to FaultStopMode (30.30) and trips with F551 AIRange
[FaultWord4 (9.04) bit 2], default
2 =
LastSpeed the drive continues to run at the last speed and sets A127 AIRange [AlarmWord2 (9.07)
bit 10]
3 =
FixedSpeed1 the drive continues to run with FixedSpeed1 (23.02) and sets A127 AIRange
[AlarmWord2 (9.07) bit 10]
Int. Scaling: 1 == 1 Type: C Volatile: N
NotUsed
FixedSpeed1
Fault
-
30.30 FaultStopMode (fault stop mode)
FaultStopMode (30.30)
determines the reaction to a fault of trip level 4:
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
Note:
FaultStopMode (30.30)
does not apply to communication faults.
Int. Scaling: 1 == 1 Type: C Volatile: N
RampStop
DynBraking
RampStop
-
30.31 ExtFaultSel (external fault selector)
The drive trips with
F526 ExternalDI [FaultWord2 (9.02) bit 9] if a binary input for an external fault is selected
and 1:
0 =
NotUsed default
1 =
DI1 1 = fault, 0 = no fault
2 =
DI2 1 = fault, 0 = no fault
3 =
DI3 1 = fault, 0 = no fault
4 =
DI4 1 = fault, 0 = no fault
5 =
DI5 1 = fault, 0 = no fault
6 =
DI6 1 = fault, 0 = no fault
7 =
DI7 1 = fault, 0 = no fault
8 =
DI8 1 = fault, 0 = no fault
9 =
DI9 1 = fault, 0 = no fault, Only available with digital extension board
10 =
DI10 1 = fault, 0 = no fault, Only available with digital extension board
11 =
DI11 1 = fault, 0 = no fault, Only available with digital extension board
12 =
MCW Bit11 1 = fault, 0 = no fault, MainCtrlWord (7.01) bit 11
13 =
MCW Bit12 1 = fault, 0 = no fault, MainCtrlWord (7.01) bit 12
14 =
MCW Bit13 1 = fault, 0 = no fault, MainCtrlWord (7.01) bit 13
15 =
MCW Bit14 1 = fault, 0 = no fault, MainCtrlWord (7.01) bit 14
16 =
MCW Bit15 1 = fault, 0 = no fault, MainCtrlWord (7.01) bit 15
Int. Scaling: 1 == 1 Type: C Volatile: N
NotUsed
MCW Bit15
NotUsed
-