ABB ACS560 Firmware Manual page 223

No. Name/Value
22.51 Critical speed
function
Bit Name
0 Enable
1 Sign mode
2...15 Reserved
0b000...0b1111
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
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 Speed compensated stop
Motor potentiometer is disabled and its value set to 0.
(page 44).
22.52...22.57
22.52...22.57 are handled as absolute values.
(page 76).
Parameters 223
Def/FbEq16
0b0000
are taken into
1 = 1
0.00
See par.
46.01
0.00
See par.
46.01
0.00
See par.
46.01
0.00
See par.
46.01
0.00
See par.
46.01
0.00
See par.
46.01
Disabled
0