ABB ACS355 - Page 23

Actual signals and parameters 23
SMOOTH
START
Smooth start ramp time will be effect in ramp time according
to settings of parameter 2621...2624.
11
DI1(INV) Inverted digital input DI1. 0 = ramp pair 2, 1 = ramp pair 1. -1
DI2(INV) See selection DI1(INV).-2
DI3(INV) See selection DI1(INV).-3
DI4(INV) See selection DI1(INV).-4
DI5(INV) See selection DI1(INV).-5
25 CRITICAL
SPEEDS
Speed bands within which the drive is not allowed to
operate.
2502 CRIT SPEED 1
LO
Defines the minimum limit for critical speed/frequency range
1.
0.0 Hz /
1rpm
0.0…1400.0 Hz
/ 0…32000 rpm
Limit in rpm. Limit in Hz if parameter 9904 MOTOR CTRL
MODE setting is SCALAR: FREQ. The value cannot be
above the maximum (parameter 2503 CRIT SPEED 1 HI).
1 = 0.1 Hz
/ 1 rpm
2503 CRIT SPEED 1
HI
Defines the maximum limit for critical speed/frequency
range 1.
0.0 Hz /
1rpm
0.0…1400.0 Hz
/ 0…32000 rpm
Limit in rpm. Limit in Hz if parameter 9904 MOTOR CTRL
MODE setting is SCALAR: FREQ. The value cannot be
below the minimum (parameter 2502 CRIT SPEED 1 LO).
1 = 0.1 Hz
/ 1 rpm
2504 CRIT SPEED 2
LO
See parameter 2502 CRIT SPEED 1 LO. 0.0 Hz /
1rpm
0.0…1400.0 Hz
/ 0…32000 rpm
See parameter 2502.1 = 0.1Hz
/ 1 rpm
2505 CRIT SPEED 2
HI
See parameter 2503 CRIT SPEED 1 HI. 0.0 Hz /
1rpm
0.0…1400.0 Hz
/ 0…32000 rpm
See parameter 2503.1 = 0.1Hz
/ 1 rpm
2506 CRIT SPEED 3
LO
See parameter 2502 CRIT SPEED 1 LO. 0.0 Hz /
1rpm
0.0…1400.0 Hz
/ 0…32000 rpm
See parameter 2502.1 = 0.1Hz
/ 1 rpm
2507 CRIT SPEED 3
HI
See parameter 2503 CRIT SPEED 1 HI. 0.0 Hz /
1rpm
0.0…1400.0 Hz
/ 0…32000 rpm
See parameter 2503.1 = 0.1Hz
/ 1 rpm
26 MOTOR
CONTROL
Motor control variables
2611 USER
DEFINED F1
Defines the first frequency point of the custom U/f curve. 10.0 Hz
0.0…1400.0 Hz Frequency 1 = 0.1 Hz
2613 USER
DEFINED F2
Defines the second frequency point of the custom U/f curve. 20.0 Hz
All parameters
No. Name/Value Description Def/FbEq