Mech Brk Control - ABB ACS355 series User Manual

All parameters
No. Name/Value
4231 TRIM SCALE
-100.0...100.0% Multiplier
4232 CORRECTION
SRC
PID2REF
PID2OUTPUT
4233 TRIM
SELECTION
SPEED/FREQ
TORQUE
43 MECH BRK
CONTROL
4301 BRAKE OPEN
DLY
0.00...2.50 s
4302 BRAKE OPEN
LVL
0.0...180.0%
4303 BRAKE
CLOSE LVL
0.0...100.0%
Description
Defines the multiplier for the trimming function. See section
Reference trimming on page 130.
Selects the trim reference. See section
on page 130.
PID2 reference selected by parameter
PID 2 SETPNT value)
PID2 output, ie, signal
Selects whether the trimming is used for correcting the
speed or torque reference. See section
on page 130.
Speed reference trimming
Torque reference trimming (only for REF2 (%))
Control of a mechanical brake. See section
mechanical brake on page 159.
Defines the brake open delay (= the delay between the
internal open brake command and the release of the motor
speed control). The delay counter starts when the motor
current/torque/speed has risen to the level required at brake
release (parameter 4302 BRAKE OPEN LVL
FORCED OPEN LVL) and the motor has been magnetized.
Simultaneously with the start of the counter, the brake
function energizes the relay output controlling the brake and
the brake starts opening.
Delay time
Defines the motor starting torque/current at brake release.
After start the drive current/torque is frozen to the set value,
until the motor is magnetized.
Value as a percentage of the nominal torque T
control) or the nominal current I
The control mode is selected by parameter
CTRL MODE.
Defines the brake close speed. After stop the brake is
closed when drive speed falls below the set value.
Value as a percentage of the nominal speed (in vector
control) or the nominal frequency (in scalar control). The
control mode is selected by parameter
MODE.
Actual signals and parameters 285
Reference trimming
4210
0127 PID 2 OUTPUT
Reference trimming
(in scalar control).
2N
9904 MOTOR CTRL
Def/FbEq
0.0%
1 = 0.1%
PID2REF
(ie, signal 0129 1
value 2
SPEED/F
REQ
0
1
Control of a
0.20 s
or 4304
1 = 0.01 s
100%
(in vector 1 = 0.1%
N
9904 MOTOR
4.0%
1 = 0.1%