I-Gard mGARD-100, Быстрый старт

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Table 3.1 mGARD-100 Trip Levels vs. Turns through ZSCS.
30mA (L, L, L, L) 30mA 15mA 10mA 2.5mA 2mA
40mA (L, L, L, R) 40mA 20mA 14.3mA 5mA 4mA
60mA (L, L, R, L) 60mA 30mA 20mA 7.5mA 6mA
90mA (L, L, R, R) 90mA 45mA 30mA 12.5mA 10mA
150mA (L, R, L, L)
150mA 75mA 50mA 25mA 20mA
250mA (L, R, L, R)
250mA 125mA 83.3mA 30mA 24mA
400mA (L, R, R, L)
400mA 200mA 133.3mA 37.5mA 30mA
600mA (L, R, R, R) 600mA 300mA 200mA 52.5mA 42mA
900mA (R, L, L, L) 900mA 450mA 300mA 75mA 60mA
1500mA (R, L, L, R) 1500mA 750mA 500mA 125mA 100mA
2500mA (R, L, R, L) 2500mA 1250mA 833.3mA 150mA 120mA
4A (R, L, R, R)
4A 2A 1.33A 250mA 200mA
6A (R, R, L, L)
6A 3A 2A 600mA 480mA
9A (R, R, L, R)
9A 4.5A 3A 750mA 600mA
10A (R, R, R, L)
10A 5A 3.33A 1.05A 840mA
12A (R, R, R, R) 12A 6A 4A 1.5A 1.2A
dip setting 1 turn 2 turns 3 turns 4 turns
-Applies to both internal and external CT
5 turns
3.3 INDICATION
There is one green LED on the front of the mGARD-100:
LED Off: No control voltage or mGARD-100 defective
LED Slow Flashing: Normal, control voltage on
LED Fast Blinking: Ground Fault Trip
LED Steady On: Control voltage too low or mGARD-100 defective
MGARD-SYM REMOTE INDICATOR
The mGARD-SYM is a remote display indicator that is used in conjunction with I-Gard relays. The indicator has the
capability to interconnect and work with up to 50 relays including the mGARD-100 relay in a bus network topology
and provides detailed device status information.
As shown in Figure 3.0, the display has a 4-line screen that shows a list of connected devices. A device can be
selected and viewed in detail. The relay mode, delay and trip level settings can be viewed (but not altered). The reset
and test functions can also be performed directly from the display.
Fault levels are displayed as a percentage of the selected pickup (trip) current level. If the trip level is 1 Amp
and there is a 500 mA fault current, the reading on the display will appear as 50%. Screen navigation is done
using a 4-button interface. The menus are displayed on the right side of the LCD; the left side is reserved for
viewing relay information.
To properly display current levels on the mGARD-SYM, the trip levels can be set to match to a 100:1 or 1000:1
interposing ZSCS using the mGARD-SYM interface.