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ABB DCS 400 - Page 80

ABB DCS 400
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II K 4-56
Overview of Software
ParNo. Parameter name and significance Min Max Default Unit (1)
custom.
setting
Grp 5 Speed Controller (continued)
Long Parameter Menu
5.12 Ramp Shape
0 = linear
>0 = ramp shape time
Setting the ramp shape:
This parameter adds a filter to the output of the
ramp generator to create a ramp shape. The value
of this parameter defines the ramp shape time
which can be set between 0.08 and 10.00 s. A value
< 0.08 but > 0.00 s is set to 0.08 s. The value 0.00
disables the ramp shape time.
Operating mode with ramp shape time:
The selected ramp shape time will be effective for
every reference value change, i.e. for the motor
potentiometer function, the constant speeds 1 and 2
and during switching on and off with the RUN
command. If a communication fault occurs and if the
parameter Comm Fault Mode (2.07) = Ramp the
ramp shape time will be effective, too.
Operating modes without ramp shape time:
A selected ramp shape time command will not be
effective during switching off with the RUN
command if the parameter Stop Mode (2.03) =
Torque Lim or Coast. The same applies in case of
a communication fault. In case of emergency stop
by means of the digital input DI5 the ramp shape
time will be ineffective, too even if the parameter
Eme Stop Mode (2.04) = Ramp.
0.00 10.00 0.00 s x
5.13 Fixed Speed 1
Fixed speed value 1 in revolutions/minute.
Parameter specifying a constant speed reference
value. Can activated with parameter Speed Ref Sel
(5.01) or by a macro. The applicable ramp times are
set with the parameters Jog Accel Ramp (5.19)
and Jog Decel Ramp (5.20). Is used as jogging
and/or constant speed in the macros 1 / 2 / 3 / 4 / 5
/ 6 / 7.
-6500 6500 0 rpm
5.14 Fixed Speed 2
Fixed speed value 2 in revolutions/minute.
Parameter specifying a second constant speed
reference value. Can be activated with parameter
Speed Ref Sel (5.01) or by a macro. The applicable
ramp times are set with the parameters Jog Accel
Ramp (5.19) and Jog Decel Ramp (5.20). Is used
as jogging and/or constant speed in the macros 1 /
2 / 5.
-6500 6500 0 rpm
(1) no chan
g
es possible if the drive is in ON-status

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