ABB ACQ580, Руководство по прошивке

Страница: 161 / 422

Parameters 157
22.21 Constant speed
function Determines how constant speeds are selected, and whether
the rotation direction signal is considered or not when
applying a constant speed. 0001b
0000h…FFFFh Constant speed configuration word. 1 = 1
22.22 Constant speed
sel1 When bit 0 of parameter 22.21 Constant speed function is 0
(Separate), selects a source that activates constant speed 1.
When bit 0 of parameter
22.21 Constant speed function is 1
(Packed), this parameter and parameters 22.23 Constant
speed sel2 and 22.24 Constant speed sel3 select three
sources whose states activate constant speeds as follows:
DI3
Not selected 0 (always off). 0
Selected 1 (always on). 1
DI1 Digital input DI1 ( 10.02 DI delayed status , bit 0). 2
DI2 Digital input DI2 ( 10.02 DI delayed status , bit 1). 3
DI3 Digital input DI3 ( 10.02 DI delayed status , bit 2). 4
DI4 Digital input DI4 ( 10.02 DI delayed status , bit 3). 5
DI5 Digital input DI5 ( 10.02 DI delayed status , bit 4). 6
No. Name/Value Description Def/FbEq16
Bit Name Information
0 Constant speed
mode 1 = Packed: 7 constant speeds are selectable using the three sources
defined by parameters
22.22 , 22.23 and 22.24 .
0 = Separate: Constant speeds 1, 2 and 3 are separately activated by
the sources defined by parameters
22.22 , 22.23 and 22.24 respectively.
In case of conflict, the constant speed with the smaller number takes
priority.
1 Direction
enable 1 = Start dir: To determine running direction for a constant speed, the
sign of the constant speed setting (parameters
22.26 … 22.32 ) is
multiplied by the direction signal (forward: +1, reverse: -1). This
effectively allows the drive to have 14 (7 forward, 7 reverse) constant
speeds if all values in
22.26 … 22.32 are positive.
WARNING: If the direction signal is reverse and the active
constant speed is negative, the drive will run in the forward
direction.
0 = Accord Par: The running direction for the constant speed is
determined by the sign of the constant speed setting (parameters
22.26 … 22.32 ).
2…15 Reserved
Source defined
by par. 22.22
Source defined
by par. 22.23
Source defined
by par. 22.24
Constant speed active
0 0 0 None
1 0 0 Constant speed 1
0 1 0 Constant speed 2
1 1 0 Constant speed 3
0 0 1 Constant speed 4
1 0 1 Constant speed 5
0 1 1 Constant speed 6
1 1 1 Constant speed 7