User manual

SITOP UPS1600 / UPS1100
Operating Instructions, 05.2014, C98130-A7628-A1-4-7629
11
Description, device design, dimension drawing
2
2.1
Device description
2.1.1
UPS1600
The UPS1600 10 A and 20 A are built-in devices of the SITOP series for installation on DIN
EN 50022-35x15/7.5 standard mounting rails. The relevant DIN/VDE regulations or country-
specific specifications (e.g. VDE 0510 Part 2 / EN 50272-2) must be observed for the
installation of the UPS1600 devices and the UPS1100 battery modules.
See Section Installation (Page 107)
In combination with the SITOP UPS1100 battery modules, it is used to buffer the load
current from the 24 V load power supplies of the SITOP series.
With their high dynamic overload capability up to the 3-fold rated current over 30 ms or up to
the 1.5-fold rated current over 5 seconds per minute, they are suitable for applications with
programmable logic controllers (PLCs) and industrial PCs, because they permit high switch-
on currents even in buffer operation.
The input of the UPS1600 DC-UPS module must be connected with the output of the
supplying 24 VDC power unit. The UPS1100 battery module is connected to the Bat
terminals. The loads to be buffered are supplied via the output of the UPS1600 DC-UPS
module with the voltage connected at the input.
The so-called Energy Storage Link, an additional two-wire connection between the SITOP
UPS1600 base device and the coded SITOP UPS1100 battery modules, is new.
Furthermore, the base device detects and manages as many as six battery modules and
selects the optimum, temperature-controlled charging characteristic curve. The latter
provides the basis for a long service life of the battery modules. Energy Storage Link also
monitors the operational readiness as well as the supply cables (wire breakage), aging
(service life) and the charging state (voltage, current, residual capacity) of the accumulators.
The connection to the UPS1100 battery modules is checked every 20 seconds (for voltage
and incorrect polarity protection). A test with a defined loading of the lead accumulators is
also performed automatically every four hours.
Battery modules of other type series and manufacturers can also be deployed, although with
limited diagnostic functions, such as the display of the charging current or the end-of-charge
voltage and without the possibility of temperature-controlled charging.
In the event of failure of the 24 VDC supply voltage or voltage dip below the set switch-in
threshold, the loads are supplied from the battery module that is kept full charged in parallel,
ready for operation. The buffering is performed in accordance with the backup time set using
the rotary coding switch or until the maximum backup time (shutdown after reaching the
exhaustive discharge threshold).
There are two possibilities:
a.) Power restoration only after expiration of the backup time: On absence of the input
voltage at the DC-UPS module, the battery immediately assumes the supply so that the Ua
output voltage remains absolutely interruption-free until the end of the backup time.