V-Belt Monitoring - BONFIGLIOLI ACTIVE Cube ACU 201-01 Operating Instructions Manual

A warning limit allows the user to prevent an imminent I²t-fault trip through appro-
priate measures.
Warning limit motor I
100% of thermal capacity.
No.
608 Thermal time constant Motor
609 Thermal time constant Stator
615 Warning Limit Motor I
Output signals
Digital signals indicate the triggering of the function "Motor Protection Switch".
180 -
Warning Motor
Protection
14 -
1)
For linking with inverter functions
2)
For digital output
18.6

V-belt Monitoring

Continuous monitoring of the load behavior and thus of the connection between the
3-phase machine and the load is the task of the V-belt monitoring system. Parameter
Operation Mode
torque-forming current component
below the set
583.
Time
Operation mode
0 - Off
1 - Warning
2 - Error
The error and warning messages can be read out by means of the digital outputs
(signal 22 - "Warning V-Belt") or reported to an overriding control system. The
ger limit Iactive
371 for the application and the possible operating points.
No.
582 Trigger limit Iactive
583 Delay time
250
615 is used to set the warning signal between 6% and
2
t
Parameter
Description
2
t
1)
Triggering of the function "Motor Protection Switch"
according to
2)
581 defines the functional behavior if the
Isq
Trigger Limit Iactive
581
The function is deactivated.
If the active current drops below the threshold value,
the warning "A8000" is displayed.
The unloaded drive is switched off and fault message
"F0402" is displayed.
582 is to be parameterized as a percentage of the
Parameter
Description
Operating Instructions ACU
Settings
Min. Max.
1 min 240 min
1 s 600 s
6% 100%
571 is signalized.
Operation Mode
Active Current
216 (field -orientated control method) drops
582 for a time longer than the set
Function
Settings
Min. Max.
0.1 % 100.0 %
0.1 s 600.0 s
Fact. sett.
30 min
15 s
80%
214 or the
Delay
Trig-
Rated current
Fact. sett.
10.0 %
10.0 s
06/13