Salicru DC POWER-S DC-36-S User Manual page 36

Auxiliary terminal
reference
Batteries
(9)
(X43)
(9) Battery positive (+)
(X43A)
Battery negative (–)
(9)
(X43B)
(9)
For equipments with floating output:
When the physical protection means a single element (circuit breaker),
there will be one auxiliary contact only, so there will be a single group
of terminals only (X43). If the protection is done by fuses, the will be
two auxiliary contacts, one for each pole, so there will be two groups
of terminals (X43A) and (X43B) for the selective identification, as it is
shown in Fig. 24.
For equipments with the positive or negative output earthed:
In this case, as the protection will be single pole, there will be only one
group of terminals for the auxiliary contact (X43), corresponding to the
alive pole (the one not connected to earth).
Table 3.
Correlation between auxiliary terminals and the function of the
protection or switch, of the battery cabinet.
7.11. Electrolyte level probe option,
terminal (X25A).
•
The communications line (interface) constitutes a very low
safety voltage circuit. To preserve the quality, it must be
installed aside from other lines that have dangerous voltages
(power distribution line).
• Flooded batteries, either PbCa or NiCd are supplied from
factory with the suitable electrolyte level, nevertheless after
a period of time, due to too much charges and discharges,
the ambient temperature or other factors, this level can drop.
Although the electrolyte level of all elements is always con-
trolled in the periodical preventive maintenance services, it
can be considered that the liquid dropping in an equipment
is similar, no to say identical, in all the accumulators. For the
purpose of guaranteeing a higher and permanent control over
this parameter, an electrolyte level probe can be installed in
one of the batteries. This probe is supplied assembled in the
top of the element in one of the batteries.
Conceptually, when the probe is in contact with the electro-
lyte, it acts as a conductor, and an electrical circuit is closed.
In case of liquid dropping the probe does not conduct be-
cause the circuit is opened, therefore an alarm is triggered in
the LCD panel of the equipment.
• Proceed as follows.
ˆ In cabinets sharing the DC Power-S and batteries:
The probe is pre-connected from factory to the com-
–
munication module and bridled to the frame of the
cabinet, at the height of one of the battery shelves and
with the comfortably cable length needed for removing
the battery shelf out. Cut the bridle to release it.
Remove the bolts (BL
–
mode to release the corresponding battery shelf and
remove it out.
Remove the top of one of the accumulators, better
–
from one of the centre of the battery block, and re-
place it by the one with the probe.
For its correct contact with the electrolyte,
check that the top with the probe has been en-
tered till the bottom.
Push the battery shelf in and put the bolts (BL
–
as mechanical locking mode.
36
Protection or switch function of the
battery cabinet
) as mechanical locking
2
) back
2
ˆ In battery cabinets separate from DC Power-S:
In case of systems with more than one cabinet, the
–
electrolyte level probe can be found in the cabinet
that has the terminal (X25A).
The probe is pre-connected from factory to the ter-
–
minal (X25A) and bridled to the frame of the battery
cabinet, at the height of one of the battery shelves and
with the comfortably cable length needed for removing
the battery shelf out. Cut the bridle to release it.
Remove the bolts (BL
–
mode to release the corresponding battery shelf and
remove it out.
Remove the top of one of the accumulators, better
–
from one of the centre of the battery block, and re-
place it by the one with the probe.
For its correct contact with the electrolyte,
check that the top with the probe has been en-
tered till the bottom.
Remove the two wires bundle (MD) from inside of
–
the rectifier cabinet and connected at its oppo-
site end to the communication module (M
through the cable bushing cones (PR) located at its
base and insert it into the battery cabinet through their
respective cable bushing cones (PR) located in its
base.
Connect whatever the wire of the bundle (MD) to ter-
minals 1 and 3 of terminal (X25A).
Push the battery shelf in again and put the bolts (BL
–
back as mechanical locking mode.
Internal connection side
4
2
1
3
Client connection side (cable entry through the base of the cabinet)
Pin-out of the double tier
terminal strip.
Fig. 25. Auxiliary contact terminal strip pinout of the electrolyte level
probe, in the battery cabinet.
) as mechanical locking
2
),
com
)
2
6
4
2
1
3
5
Pin-out of the triple tier
terminal strip.
USER MANUAL