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DSOP24V
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5.6. Technical Inputs/outputs EPS, PSU, APS, ALARM, and EXTi.
The power supply is fitted with relay indication outputs changing state upon the occurrence of a specific
event:
Fig. 21. Technical outputs/inputs of the power supply.
EPS
– output of 230V AC power failure indication
.
Output indicating 230V AC power failure.
CAUTION!
In Fig.21 the set of contacts shows a potential-free status of the relay, which
corresponds to AC power failure.
PSU
– output of power supply failure indication.
Output indicating PSU failure. Failure can be triggered by the following events:
- Battery voltage below 26V
- Battery voltage higher than 29.2V
- Failure of the battery charging circuit
-
Fuse failure OUT1…9
- Router output fuse failure
- Overload of the PSU
- Too high battery temperature
- Temperature sensor failure
- Internal damage of the power supply
CAUTION!
In Fig. 21 the set of contacts shows a potential-free status of the relay, which
corresponds to a failure of the PSU.
APS - output of battery failure indication
Output indicating failure in the battery circuit. Failure can be triggered by the following events:
- Undercharged batteries
- Unplugged batteries
- High resistance of the battery circuit
- Battery voltage below 23V during battery-assisted operation
- Fuse failure in the battery circuit
- No continuity in the battery circuit
CAUTION!
In Fig. 21 the set of contacts shows a potential-free status of the relay which
corresponds to a battery failure.