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QUINT-BUFFER/24DC/20
Output
All loads that, in the event of a failure of the supply voltage, are to be supplied with power stored in the buffer module, ("Buff-
ered Load"), are connected to the "+" and "-" of the DC output.
We recommend that all other loads not requiring buffering in the event of a failure of the supply voltage ("Unbuffered Load")
should be connected parallel to the power supply unit. This extends the buffer time, as it depends on the output current (see
figure).
The internal diode guarantees that the buffered loads are decoupled from the unbuffered loads.
Output voltage
The output voltage of the buffer module is equal to the supply voltage connected. If the input voltage falls within 0.1 s by
more than 1 V, the buffer is connected and the output voltage is regulated to this value. This dynamic detection can be
disabled with switch "DYNAMIC ON/OFF". The minimum connect threshold is 22 V.
The device is electronically protected against short circuit and idling. In the event of a malfunction, the output voltage is
limited to 35 V DC.
Signaling
For function monitoring, there is the active signal output and an LED "Power Good".
The signal output is connected via the "Power Good" and "GND" screw connections. The 24 V DC signal can carry up to
20 mA.
State 1
State 2
LED "Power Good"
ON
Flashing
Active signal output "Power Good"
U = +24 V (in reference to "-") U = 0 V (in reference to "-")
Meaning
1. Supply voltage is present
2. Buffer module is charged
3. Buffer module is ready
1. There is supply voltage, buffer module is
being charged
Or
2. There is no supply voltage, the power store
in the buffer module will be provided at the out-
put (as long as is available)
102035_03_en
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