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"UniVert 2" inverter
Page 25 of 42 8000012364 BAL, en
With SBS ready:
"U=230.0V" Load voltage
" ready" Operating status
With SBS blocked:
"U=230.0V" Load voltage
"blocked" Operating status
With SBS Power Up:
" " (nothing displayed)
"PowerUp" Operating status
With SBS fault:
" " (nothing displayed)
" fault" Operating status
The busbar voltage and current values are displayed with three
decimals before and one decimal after the decimal point. The display
accuracy corresponds to class 1 with respect to the rated output
value of the unit.
Remote signalling is carried out by means of potential-free contacts
via a Combicon connector on the front of the unit.
Assignment of the signal terminals:
SBS fault:
In the event of a signal, X4.2 – X4.3 close, no fault: X4.2 – X4.1
• When the SBS is disconnected from the power supply (no mains /
INV supply), a fault is signalled!
INV operation:
In the event of a signal, X4.4 – X4.5 close
The remote signals are designed for safe isolation. The minimum load
should not be below 12 V and 0.1 A.
4.13 Operating modes
Two operating modes can be selected using the DIL switches
(see chapter 4.11).
Switchover without gap:
The switchover from INV to SBS is always carried out without
interruption. If the INV and SBS circuit are not synchronous, the SBS
blocks. If the INV is switched off due to asynchronism or if it fails, the
load is not supplied by the SBS.
This operating mode is set ex works and is recommended.
i
NOTE:
If the mains are poor or the SBS circuit is supplied by a diesel
generator for example, the SBS can be temporarily blocked due to
frequency deviations.