Omron RX - 2, Руководство пользователя

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2 Design
2 - 48 High-function General-purpose Inverter RX2 Series User’s Manual
Precautions for Safe Use
Even when the inverter is in an input phase lost state, built-in capacitors are charged, which
may result in an electric shock or injury.

Power Supply Environment
In the following cases, the internal converter module (rectifier) may be damaged.
Take countermeasures such as installing an AC reactor on the main circuit input side of the inverter.
• The power supply voltage unbalance factor is 3% or more.
• The power supply capacity is at least 10 times larger than the inverter capacity and, at the same
time, 500 kVA or more.
• Rapid change in the power supply voltage occurs.
Example: the phase advance capacitor is turned on/off
 Installing Input Surge Absorber
When using an inductive load (such as a magnetic contactor, magnetic relay, magnetic valve, sole-
noid, or electromagnetic brake), use a surge absorber or diode together.
 Installing Input Noise Filter
The inverter performs high-speed output switching, which may cause the noise flow from the
inverter to power supply lines that negatively affects on peripheral equipment. Therefore, it is recom-
mended to use an input noise filter to reduce noise flowing out to power supply lines. This also helps
to reduce noise that enters the inverter from power supply lines.
Do not remove the terminal cover during the power supply and 15 minutes
*1*2
after the power shut
off. Doing so may result in a serious injury dueto an electric shock.
*1. 10 minutes: For models 3G3RX2-A2004 to A2220 and 3G3RX2-A4007 to A4220
*2. 15 minutes: For models 3G3RX2-A2300 to A2550 and 3G3RX2-A4300 to B413K
WARNING
M
Noise filter
3G3RX2 series
Inverter
CS/CJ series
Other control equipment
Input noise filter for inverter
for general: 3GAX-NFI
for EMC: 3GAX-EFI
3-phase 200 VAC
3-phase 400 VAC
Power supply
MC MCCB