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6.2.2 Operating modes
Table. 6.2.2 - 26. Arc quenching device's operating modes and their definitions.
Mode
Mode
De
Definition
finition
Charging
In C
Char
harging
ging mode the device charges its energy storage with enough energy to move the contacts
to the "Closed" position.
During normal operation, charging occurs several times in an hour as the charged energy level is
constantly monitored and adjusted.
When the device is charging, the "Charging" LED on the device's front panel is on.
Ready
In R
Read
eadyy mode the device's energy storage is charged to a sufficient energy level and the device is
ready to operate.
Trip
In TTrip
rip mode the device has operated and its energy storage is empty. The "Trip" and ""Closed" LED
indicators are on.
Blocked
Block
Blocked
ed mode occurs when the binary input BI4 is energized. During blocking the movement of the
arc quenching contacts is prevented.
Discharging
D
Dischar
ischarging
ging mode occurs when the device's auxiliary power is disconnected. In this mode the
energy storage is safely discharged. The "Discharging" LED stays on until the device has reached a
safe voltage level. For discharging time specifications see Chapter 11.2.2 ("Technical data"
→
"Device ratings").
Figure. 6.2.2 - 16. Operating mode "Ready".
A
AQ 100 (Siemens)
Q 100 (Siemens)
Instruction manual
Version: 1.00
© Arcteq Relays Ltd
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