Valpes VR-Serie Installations- Und Bedienungsanleitung Seite 36

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FAILSAFE: description
Following a power failure, the Failsafe unit will reset after 3 minutes.
Failsafe actuators integrate battery pack monitored by electronic board in the actuator. Its function is to relay in case of power
supply failure on terminal PIN 1, 2 and 3 of the actuator. The failsafe actuators can be set on different position like normally
open (NO) or normally close (NC) depends on customer application.
Failsafe option required ON/OFF mode.
FAILSAFE: electronic board
D
B
C
FAILSAFE: led meaning
Led
Red
Green
Red
Green
Red
Green
Red
Green
Red
Green
36
E
Blinks/off/Blinks...
Off
Blinks
On
Off
On
Off
Blinks rapidly
Blinks rapidly
Off
Rep. Designation
A 24V DC terminal strip
B Block battery terminal strip
State feedback terminal
C
strip (load or battery failure)
D Green LED
E Red LED
Maximal current 2,4A
A
Initial loading time 14h max.
Load state feedback relay
Battery disconnected or out of service
Battery loading cycle in progress (max 14h)
Battery loading cycle finished
Actuator electrical supply during 3 minutes (failure mode)
Microcontroller failure
DSBA3400 • Rév. 24/01/2019
Voltage 24V DC
Rates current 0,8A
24V DC -
1A max
-10°C to
Temperature
+40°C