Required Power, Fuses, Led, Terminals And Switches; Required Power; External Fuses; Internal Fuses - gefran BUy-1020 Manuel D'utilisation

3.2. Required Power, Fuses, LED, Terminals and Switches

3.2.1. Required Power

The braking unit power supply is derived directly from the DC Link; the maximum consump-
tion is 15W.

3.2.2. External Fuses

The inverter power supply, which the BUy braking unit is connected to, must be protected
via F1 external fuses (see figure. 3.4.1 and 3.4.2).
No fuses are needed on the wiring connection between drive and braking
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ote
unit.

3.2.3. Internal Fuses

Denomination
+24V supply (terminals 1 and 2)
F2
Master output command (terminals 5 and 6)
The F2 fuse resets itself after the short has been removed.
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ote
Replacement vendor source: RAYCHEM, code SMD030

3.2.4. LEDs

Denomination Colour
24 V
MASTER
BR
OK
AL
Protection for
verde
giallo
giallo
verde
rosso
—————— Braking Unit ——————
Function
It shows the presence of the power supply
The braking unit is set as master
The braking unit is active (braking)
OK relay status (closed = OK)
It shows the alarm condition
Fuse
0,3 A
Autoresettable
tbu0015g
tbu0020g
42-GB