Installation Instructions
UPS output
In order to maintain a screen display for the PC in the event of a power
failure, the power supply unit is equipped with a UPS output for connecting
a Control Panel. The maximum load for the output is 1.4 A (max. 2.5 A
from 2016 and later).
UPS output function
• The 27 V DC connection at the UPS output is live even after a power
failure. The maximum load is 1.4 A (max. 2.5 A from 2016 and later).
• Once the PC has been de-energized via the UPS software, the UPS
output is switched to 0 V. Any connected panel is thus switched off,
and total discharge of the rechargeable battery is prevented.
Wiring diagram
Wiring according to the wiring diagram (the circuit of PC_ON and Power-
Status is symbolical):
Wiring diagram external
switch and power supply
Connection of the Battery Pack and UPS Output
Note
Connection of the Battery Pack and UPS Output only in combination with
integrated UPS (order option).
18 C6930
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