52
(3)
Setting melt glue position is bigger than system max value.
(4)
Injection valve fault. Please change and clean cushion rubber.
9.
Motor speed is not enough or not stable in injection and glue melt process.
(1) Increase FB79 and FB80.
(2) Adjust F817 little by little.
10.
Heavy noise or oil pump has vibration, system pressure is insufficient.
Pump or pump bearing is badly worn. Normal pump speed for holding max pressure is lower than 70 rpm
.
High speed predicts oil pump is damaged and inner leakage is increasing.
11.
Oil pump and motor rotates in reverse
(1)
Pressure sensor is damaged.
In normal status, when preesure sensor has no command, feedback voltage between AI2 and GND is
about 0V, it is 7Vwhen feedback pressure is 175bar. When pressure sensor is damaged, feedback voltage
may exceed 10V or even reach 25V. Servo drive determines system pressure is bigger than given pressure
causing control pump to run in reverse for pressure relief.
(2)
Motor U, V, W terminal sequence is wrong. Please exchange the sequence referring to remark and check
commutation again.
(3)
FA19 is set too low.
12.
With no action, system base pressure is large, motor has vibration.
(1)
Reduce FA29 and FB52.
(2)
Reduce FA19.
(3)
Pressure sensor is damaged, no feedback pressure .
13.
System pressure relief is slow.
Increase FB14 and FB15.
14.
Braking resistor is heating or AL14 occurs.
(1)
System voltage is high. If DC voltage
u***
is detected higher than required value, please reduce power
supply.
(2)
Energy feedback is too high, please increase F115.
(3)
Braking unit circuit fault.
(4)
Increase F611 properly, higher than servo detected voltage u** 80V and lower than 750V.
15.
PP-2 pump reverse fault
(1)
Motor U, V, W terminals sequence is wrong. Please exchange cable sequence and check commutation
again.
(2)
Pressure sensor fault. Feedback pressure is higher than given pressure, causing motor to rotate in reverse
for pressure relief.
(3)
Motor runs in forward direction, pressure sensor is normal, but drive trips into PP-2. Exchange Resolver
cable
SIN+/-,
study motor pole position again.
16.
Servo drive brings serious disturbance to system. Pressure, rotation speed, detection signal is not
stable.
(1)
Loop servodrive input and output cable on ring by 2 turns in the same direction. Loop analog signal
cable and pressure sensor cable by 2 turns in the same direction.
(2)
Add filter, ferrite core and safety capacitor to disturbed signal and its power source.
(3)
Large motor leakage voltage leads to charged machine, which disturbs the system. Check whether
resistance and isolation between servo motor U, V, W terminals and housing is normal.
17.
Leakage protector trips
(1)
Servo motor has large leakage voltage. Check whether resistance and isolation of servo motor U, V, W
terminals and housing is normal.
(2)
Servo drive has large leakage current. Check and replace safety capacitor or mounting position.
(3)
Replace leakage protector. Raise residual non-operating current of leakage protector( above 200mA).
18.
PGo error
(1)
Servo motor resolver plug or socket has soldering mistake. Check bonding wire, whether RE1\RE2 is
37
Ω
, SIN
±
is 42
Ω
, COS
±
is 42
Ω
.
Содержание IM20 Series
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