Bender NGRM700 - Page 62

Initial commissioning
62
NGRM7xx_D00292_07_M_XXEN/02.2022
Timing diagram device start
Fig. 8.3: Timing diagram device start
Supply
Power
Trip relay
non-fail-safe
Trip relay
fail-safe
Ground fault/
NGR fault
Normal
operation
Initial
Measurement
4…6 s
Boot Time
9…11 s
t
GF Trip
or
t
NGR Trip
de-energized
de-energized
de-energized
energized
energized
OFF ON