
Manual
ibaPQU-S
22
Issue 1.3
7.6
Voltage supply
7.6.1
Voltage supply X14
The external voltage supply is connected with a 2-pin connector.
Caution!
Only connect the device to an external voltage supply 24 V DC (±10 % unregulated)!
Observe the correct polarity!
7.6.2
Backup voltage X30
The X30 terminal (bottom side of the unit) can be used to connect a backup voltage. In
the dead state, the following device function can be backed up:
FO cable: incoming optical fiber telegrams are forwarded; the FO cable is not inter-
rupted.
A backup voltage of typ.
12 V DC (6 V … 60 V) is connected to X30 for this purpose. The
current demand when backed up is approx. 70 mA for 12 V.
Содержание PQU-S
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Страница 94: ...Manual ibaPQU S 94 Issue 1 3 Mounting plate 19 Dimensions in mm Figure 64 Dimensions of 19 mounting plate...
Страница 113: ...Manual Issue 1 3 113 Figure 74 Example of 1 phase measuring with a Rogowski coil or a current clamp...
Страница 115: ...Manual Issue 1 3 115 15 Certificate...