ABB ACS880 Firmware Manual page 254

254 Parameters
No. Name/Value
22.51 Critical speed
function
Bit Name
0 Enable
1 Sign mode 1 = Signed: The signs of parameters
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
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.
account.
0 = Absolute: Parameters
values. 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
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
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
High limit for critical speed 3.
Activates and selects the mode of the motor potentiometer.
See section Scalar motor control
Motor potentiometer is disabled and its value set to 0.
(page 84).
22.52...22.57
22.52...22.57 are handled as absolute
low.
low.
low.
(page 99).
Def/FbEq16
0000b
are taken into
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