ABB ACS880 Firmware Manual page 215

No. Name/Value
22.51 Critical speed
function
Bit Name
0 Enable
1 Sign mode
2...15 Reserved
0000b...0011b
22.52 Critical speed 1 low
-30000.00 ...
30000.00 rpm
22.53 Critical speed 1
high
-30000.00 ...
30000.00 rpm
22.54 Critical speed 2 low
-30000.00 ...
30000.00 rpm
22.55 Critical speed 2
high
-30000.00 ...
30000.00 rpm
22.56 Critical speed 3 low
-30000.00 ...
30000.00 rpm
22.57 Critical speed 3
high
-30000.00 ...
30000.00 rpm
22.71 Motor
potentiometer
function
Disabled
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Description
Enables/disables the critical speeds function. Also determines
whether the specified ranges are effective in both rotating
directions or not.
See also section Critical speeds/frequencies
Information
1 = Enable: Critical speeds enabled.
0 = Disable: Critical speeds disabled.
1 = Signed: The signs of parameters
account.
0 = Absolute: Parameters
Each range is effective in both directions of rotation.
Critical speeds configuration word.
Defines the low limit for critical speed range 1.
Note: This value must be less than or equal to the value of
22.53 Critical speed 1 high.
Low limit for critical speed 1.
Defines the high limit for critical speed range 1.
Note: This value must be greater than or equal to the value of
22.52 Critical speed 1 low.
High limit for critical speed 1.
Defines the low limit for critical speed range 2.
Note: This value must be less than or equal to the value of
22.55 Critical speed 2 high.
Low limit for critical speed 2.
Defines the high limit for critical speed range 2.
Note: This value must be greater than or equal to the value of
22.54 Critical speed 2 low.
High limit for critical speed 2.
Defines the low limit for critical speed range 3.
Note: This value must be less than or equal to the value of
22.57 Critical speed 3 high.
Low limit for critical speed 3.
Defines the high limit for critical speed range 3.
Note: This value must be greater than or equal to the value of
22.56 Critical speed 3 low.
High limit for critical speed 3.
Activates and selects the mode of the motor potentiometer.
See section Motor potentiometer
Motor potentiometer is disabled and its value set to 0.
Parameters 215
(page 43).
22.52...22.57 are taken into
22.52...22.57 are handled as absolute values.
(page 69).
Def/FbEq16
0000b
1 = 1
0.00 rpm
See par.
46.01
0.00 rpm
See par.
46.01
0.00 rpm
See par.
46.01
0.00 rpm
See par.
46.01
0.00 rpm
See par.
46.01
0.00 rpm
See par.
46.01
Disabled
0