ABB ACS880-x04, Firmware Manual

Page: 217 / 604

Parameters 217
22.51 Critical speed
function 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 (page 43 ).
0000b
0000b…0011b Critical speeds configuration word. 1 = 1
22.52 Critical speed 1 low 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 .
0.00 rpm
-30000.00 …
30000.00 rpm Low limit for critical speed 1. See par.
46.01
22.53 Critical speed 1
high 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 .
0.00 rpm
-30000.00 …
30000.00 rpm High limit for critical speed 1. See par.
46.01
22.54 Critical speed 2 low 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 .
0.00 rpm
-30000.00 …
30000.00 rpm Low limit for critical speed 2. See par.
46.01
22.55 Critical speed 2
high 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 .
0.00 rpm
-30000.00 …
30000.00 rpm High limit for critical speed 2. See par.
46.01
22.56 Critical speed 3 low 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 .
0.00 rpm
-30000.00 …
30000.00 rpm Low limit for critical speed 3. See par.
46.01
22.57 Critical speed 3
high 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 .
0.00 rpm
-30000.00 …
30000.00 rpm High limit for critical speed 3. See par.
46.01
22.71 Motor
potentiometer
function Activates and selects the mode of the motor potentiometer.
See section
Motor potentiometer (page 69 ).
Disabled
Disabled Motor potentiometer is disabled and its value set to 0. 0
No. Name/Value Description Def / FbEq16
Bit Name Information
0 Enable 1 = Enable: Critical speeds enabled.
0 = Disable: Critical speeds disabled.
1 Sign mode 1 = Signed: The signs of parameters 22.52 … 22.57 are taken into
account.
0 = Absolute: Parameters
22.52 … 22.57 are handled as absolute values.
Each range is effective in both directions of rotation.
2…15 Reserved