~ 13 ~
NOVATEK-ELECTRO
UBZ-304
ARS is enabled.
Table 3.6 (Continued)
Settings and readings
Parameter
on LCD
Min.
value
Max.
value
Factory
setting
Message on LCD, actions
Address
Frequency protection
Minimum value of
voltage frequency, Hz
Frequency
Min
35
60
49.7
189
Tripping delay for
minimum voltage
frequency, s
FreqMin
delay
1
300
10
190
Permit for protection
operation for minimum
voltage frequency
FreqMin
prot
0
2
0
0
–
"Off"
–
protection is off,
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable,
2
–
"On AR"
–
protection is on,
ARS is enabled;
191
Maximum value of
voltage frequency, Hz
Frequency
Max
50
65
51
192
Tripping delay for
maximum voltage
frequency, s
FreqMax
delay
1
300
10
193
Permit for protection
operation for maximum
voltage frequency
FreqMax
prot
0
2
0
0
–
"Off"
–
protection is off;
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable;
2
–
"On AR"
–
protection is on,
ARS is enabled.
194
Motor control and ARS
ARS time after
protection operation at
minimum current, s
AR time
Imin
1
900
600
195
ARS time, s
AR time
1
900
5
196
Disabled ARS for all
faults (except voltage
faults)
AR
0
1
1
0
–
"Off"
–
ARS is disabled;
1
–
"On"
–
ARS is enabled.
AR parameter value covers all
197
types of faults except voltage
faults. To disable AR in case of
voltage fault it is necessary to use
the parameters "Umin protec",
"Umax protec", "Uimbal protec".
Permit for motor
operation after UBZ
energizing
Start>Power
0
2
1
0
–
"StOff"
–
motor starting
manually on UBZ front panel;
1
–
"St>AR"
–
motor starting after
ARS time;
2
–
"St>2s"
–
motor start after 2s.
198
Motor control on UBZ
front panel
MotorOp
UBZ
0
3
0
0
–
"Off"- it is disabled;
1
–
"Start"
–
motor star is enabled;
2
–
"Stop"
–
motor emergency
shutdown is enabled;
3
–
"St<>"
–
motor start-up and
shutdown is enabled. See it.5.7
199