ABB ACS880 - Page 306

Def / Type
FbEq 16b / 32b
DescriptionName / Range /
Selection
No.
- / real32Defines a safe speed reference value that is used with
supervision functions such as
• 12.3 AI supervision function
• 49.5 Communication loss action
• 50.2 FBA A comm loss func
• 50.32 FBA B comm loss func
• 58.14 Communication loss action.
Speed ref safe22.41
- / -Safe speed reference. For scaling, see parameter 46.1.-30000.00 ...
30000.00 rpm
0.00 rpm / real32Defines the speed reference for jogging function 1. For
more information on jogging, see page 99.
Jogging 1 ref22.42
- / -Speed reference for jogging function 1. For scaling, see
parameter 46.1.
-30000.00 ...
30000.00 rpm
0.00 rpm / real32Defines the speed reference for jogging function 2. For
more information on jogging, see page 99.
Jogging 2 ref22.43
- / -Speed reference for jogging function 2. For scaling, see
parameter 46.1.
-30000.00 ...
30000.00 rpm
- / uint16Enables/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 85).
Critical speed
function
22.51
1 = Enable: Critical speeds enabled.
0 = Disable: Critical speeds disabled.
Enableb0
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.
Sign modeb1
Reservedb2…15
1 = 10000h…FFFFh
0.00 rpm / real32Defines 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.
Critical speed 1 low22.52
- / -Low limit for critical speed 1. For scaling, see parameter
46.1.
-30000.00 ...
30000.00 rpm
0.00 rpm / real32Defines 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.
Critical speed 1 high22.53
- / -High limit for critical speed 1. For scaling, see parameter
46.1.
-30000.00 ...
30000.00 rpm
306 Parameters