Routine Maintenance and Inspection
‑
138
‑
Inspection Item
Description
Solution
Checked
Peripheral devices such
as electromagnetic
contactor
●
Check devices for loose connection
and abnormal noise during
operation.
●
Check peripheral devices for short
circuit, water stains, swelling, and
cracks.
Replace abnormal peripheral
devices.
Ventilation
●
Check whether ventilation and
heatsink are clogged.
●
Check whether the fan is damaged.
●
Clean the ventilation.
●
Replace the fan.
Control circuit
●
Check control elements for loose
contact.
●
Check for loose terminal screws.
●
Check control cables for cracked
insulation.
●
Clear foreign matters on the
surface of control cables and
terminals.
●
Replace damaged or corroded
control cables.
8.2
Main Circuit Insulation Test
Danger
Do not conduct high voltage (> 500 V) tests, which are already done before delivery.
Before testing, remove the VDR screw and disconnect the VDR.
Before measuring insulation resistance with a megameter (500 VDC megameter
recommended), disconnect the main circuit from the AC drive first. Do not measure
the control circuit insulation resistance with an insulation resistance meter.
The insulation resistance measured must be greater than 5 MΩ.
Содержание MD520 Series
Страница 1: ......
Страница 16: ...Components 15 Figure 2 2 Components of T5 to T6 models...
Страница 19: ...Components 18 Figure 2 5 Components of T10 to T12 models with AC output reactor...
Страница 27: ...System Structure 26 Figure 3 9 Control circuit terminals...
Страница 43: ...Options 42 Figure 5 2 Dimensions of MD500 AZJ A1T2 through hole mounting bracket and holes mm...
Страница 44: ...Options 43 Figure 5 3 Dimensions of MD500 AZJ A1T3 through hole mounting bracket and holes mm...
Страница 45: ...Options 44 Figure 5 4 Dimensions of MD500 AZJ A1T4 through hole mounting bracket and holes mm...
Страница 46: ...Options 45 Figure 5 5 Dimensions of MD500 AZJ A1T5 through hole mounting bracket and holes mm...
Страница 47: ...Options 46 Figure 5 6 Dimensions of MD500 AZJ A1T6 through hole mounting bracket and holes mm...
Страница 49: ...Options 48 Figure 5 8 Dimensions of MD500 AZJ A1T8 through hole mounting bracket and holes mm...
Страница 54: ...Options 53 The following figures shows the installed copper busbar...
Страница 115: ...Options 114 Figure 5 48 Dimension drawing of ferrite clamp...
Страница 120: ...Expansion Cards 119 Figure 6 1 Installation position of expansion cards...