Omron SYSDRIVE 3G3EV SERIES, Руководство пользователя

Страница: 76 / 88

6-5
H
Protection Functions
Motor protection Electronic thermal protection
Instantaneous
overcurrent protection When 250% of the rated output amperage is exceeded
Overload protection When 150% of the rated output amperage is exceeded for one
minute
Overvoltage protection Stops the system when DC voltage of the main circuit exceeds
approximately 410 V (400-VAC Class approximately 820 V)
Voltage drop protection 3G3EV-A2
jjj
: Stops the system when voltage drops below
approximately 200 V
3G3EV-AB
jjj
: Stops the system when voltage drops below
approximately 160 V
3G3EV-A4
jjj
: Stops the system when voltage drops below
approximately 400 V
Protection from
instantaneous power
interruption Stops the system when a power interruption lasts for 15 ms or
more.
Operation can be continued by setting constant No. 36 as
follows:
•
Operation is continued if a power interruption only lasts for
approximately 0.5 second or less.
•
Operation is continued unconditionally.
Radiation fin overheat
protection Detects a fin temperature of 110
±
10
°
C
Ground protection Overcurrent level protection
Specifications
Chapter 6