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166 Parameters
12
Configuration of standard analog inputs.
The true readings of the analog inputs can be overridden for
eg. testing purposes. A forced value parameter is provided for
each analog input, and its value is applied whenever the
corresponding bit in this parameter is 1.
Note:
AI filter times (parameters
and
) have no effect on forced AI values
(parameters
Note:
Boot and power cycle reset the force selections
(parameters
and
).
0000h
0000h…FFFFh
Forced values selector for analog inputs AI1 and AI2.
1 = 1
Selects how the drive reacts when an analog input signal
moves out of the minimum and/or maximum limits specified
for the input.
The inputs and the limits to be observed are selected by
parameter
.
No action
No action taken.
0
Fault
Drive trips on
.
1
Warning
Drive generates an
warning.
2
Last speed
Drive generates a warning (
) and freezes
the speed (or frequency) to the level the drive was operating
at. The speed/frequency is determined on the basis of actual
speed using 850 ms low-pass filtering.
WARNING!
Make sure that it is safe to continue
operation in case of a communication break.
3
Speed ref safe
Drive generates a warning (
) and sets the
speed to the speed defined by parameter
(or
when frequency reference
is being used).
WARNING!
Make sure that it is safe to continue
operation in case of a communication break.
4
Specifies the analog input limits to be supervised. See
parameter
.
0000h
0000h…FFFFh
Activation of analog input supervision.
1 = 1
No.
Name/Value
Description
Def/FbEq16
Bit
Value
0
1 = Force AI1 to value of parameter
.
1
1 = Force AI2 to value of parameter
.
2…15
Reserved
Bit
Name
Description
0
AI1 < MIN
1 = Minimum limit supervision of AI1 active.
1
AI1 > MAX
1 = Maximum limit supervision of AI1 active.
2
AI2 < MIN
1 = Minimum limit supervision of AI2 active.
3
AI2 > MAX
1 = Maximum limit supervision of AI2 active.
4…15
Reserved
ACS580 FW.book Page 166 Wednesday, September 21, 2016 9:48 PM
Содержание ACS580 Series
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Страница 146: ...142 Program features ACS580 FW book Page 142 Wednesday September 21 2016 9 48 PM ...
Страница 444: ...440 Fieldbus control through a fieldbus adapter ACS580 FW book Page 440 Wednesday September 21 2016 9 48 PM ...
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