Overall Views - Eaton STS Manual De Instalación Y Usuario

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Overall views

Figure 2 shows in detail the front and
rear panels of the various STS versions.
Key to figure 2:
1 voltage indication LEDs for the two
power sources S1 and S2:
green LED: voltage OK, within tolerances,
red LED: voltage NOK, outside ±12 %
tolerances,
2 button used to select the preferred
source:
: source S1 is the preferred source,
: source S2 is the preferred source,
3 status LEDs for the source currently
supplying power:
OFF: source not used.
green: preferred source supplying power,
yellow: alternate source supplying
power,
Note: only one of these LEDs is ON at a
time,
4 red LED indicating a STS fault,
5 buzzer OFF pushbutton,
6 buzzer,
7 connection cables between the
module and the two power sources S1
and S2,
8 connection sockets for the sensitive
equipment.
STS 16
: 6 IEC-type sockets 10 A and 1
z
IEC-type socket 16 A,
STS 1400
: 6 NEMA-type sockets,
z
9 output protection circuit breakers on
STS 16,
10 SUB-D 9-pin connector, for
communication (UPS S1 type) from
source 1,
11 SUB-D 9-pin connector, for
communication (UPS S2 type) from
source 2,
12 SUB-D 9-pin connector, for outgoing
communication (Basic type),
13 SUB-D 9-pin connector, for outgoing
communication (STS COM type, i.e. dry
contacts),
14 STS input voltage selector (European
versions),
15 protection circuit breakers on the
inputs from the two sources,
16 "sources out of synchronisation"
indication LED.
Presentation
51027617EN/AI - Page 5

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