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Brochure 08/2014
Uninterruptible 24 V DC Power Supply
High-performance, communicative and integrated in TIA
If a power failure occurs, not only the AC power goes out
but also the 24 V DC supply and thus the complete automation system as well. Costly downtime and undefined
system states can be the result. The new DC UPS modules
prevent this scenario by providing reliable backup of the
24 volts for hours. They also offer new possibilities for
diagnostics and system integration. The SITOP UPS1600
offers comprehensive functions, open communication via
USB or Ethernet/PROFINET and is the first UPS that is fully
integrated in TIA.
The DC UPS modules complement 24 V power supplies from
SITOP for uninterrupted rated currents up to 40 A from the
UPS1100 battery modules based on maintenance-free lead batteries or more temperature-resistant batteries of pure lead. Via
the integrated electronics, the UPS1600 automatically detects
the type of battery and charges it at the optimal, temperaturecontrolled charging characteristics. The intelligent battery management system monitors all relevant data, including battery
modules connected in parallel. The battery status and various
values, such as the voltage, current or residual capacity, are
output via the Ethernet/PROFINET interface. Even remote diagnostics by means of a secure network is possible thanks to an
integrated web server. The device status of the UPS1600 along
with the network connection can be easily monitored in the
SINEMA Server network management software.
The slim UPS1600 DC UPS module features dynamic overload
response, which can be used to activate industrial PCs, for
example. The high charging current quickly restores the buffering capacity following a power failure. For use in stand-alone
mode, the UPS can be activated from the battery, for example,
to start generators.
The benefits at a glance
◾◾ Compact DC UPS modules SITOP UPS1600 24 V / 10 A,
20 A and 40 A with digital inputs and outputs, optionally
with USB or Ethernet/PROFINET interface with 2 ports
◾◾ SITOP UPS1100 battery modules with integrated electronics comprising
–– 24 V / 1.2 Ah, 3.2 Ah, 7 Ah and 12 Ah lead batteries
–– 24 V / 2.5 Ah pure lead batteries for low and high
◾◾ Intelligent battery management with automatic detection of battery modules and selection of optimal, temperature-controlled charging characteristics. Monitoring of operational readiness, battery feed and charge
◾◾ All diagnostic data and alarms available via USB and
◾◾ High dynamic overload capacity:
3 times rated current for 30 ms and 1.5 times rated
current for 5 sec per minute
◾◾ High charging currents
◾◾ Battery module starting when mains voltage is
◾◾ Remote monitoring with integrated web server
◾◾ SITOP UPS Manager (free software download) supports configuration and monitoring with PC-based
◾◾ Full integration in TIA: Convenient engineering in the
TIA Portal, S7 function blocks for integration in user
programs and WinCC faceplates
Answers for industry.
SITOP UPS1600 – the first open...
Whether open or system-integrated, the communicative DC UPS can be integrated into any automation solution. Fully
flexible data communication is performed via USB or Industrial Ethernet/PROFINET. Special configuration and visualization
software makes it easy to integrate the DC UPS in both PC and PLC based systems.
This means you benefit from the high performance of the SITOP UPS1600 in any case.
The advantages of SITOP UPS1600 through
integration in PC-based systems
Open communication
Control, configuring / monitoring
Industrial PC
Industrial PC
◾◾ Easy configuration and monitoring via
SITOP UPS Manager, runs on all common Windows
◾◾ Comprehensive diagnostic capabilities using the
UPS status and the connected
energy storage
◾◾ Connection via USB or Ethernet
Industrial Ethernet
24 V DC
◾◾ Closing of software applications
Energy Storage Link
◾◾ Targeted shutdown of multiple PCs
(master-slave principle)
Uninterruptible 24 V DC power supply
◾◾ Integrated OPC server (available soon)
◾◾ Remote monitoring via integrated UPS web
server, access to device configuration information
and operating data, for example, mains/buffer mode,
output power, charging current and battery status
SITOP UPS1600 in PC-based
automation system:
Configuration and monitoring takes place via
SITOP UPS Manager PC software. If a power failure occurs,
the 24 V buffer and the integration of the DC UPS in Industrial Ethernet enable controlled shutdown of
multiple PCs in master-slave mode.
Remote monitoring via the web server:
The integrated web server provides access to all
relevant power supply data; of course, only with appropriate user credentials.
Configuration and monitoring with the
SITOP UPS Manager:
The free software tool supports easy configuration of the
UPS in the PC system as well as visualization of a wide variety of UPS states, even in the form of trend charts.
Technical specifications – DC UPS modules
DC UPS modules
Article numbers
Input data
SITOP UPS1600 24 V/ 10 A
SITOP UPS1600 24 V/ 20 A
SITOP UPS1600 24 V/ 40 A
without interface
with USB interface
with 2 Ethernet/ PROFINET interfaces
Rated input voltage Uin rated/ Range
Connection threshold for buffering
Input current Iin rated
Mains buffering
Adjustable range using rotary coding switch
24 V DC/ 22 ... 29 V
22.5 V DC ± 3% (factory setting), adjustable:
21 V, 21.5 V, 22 V, 22.5 V, 23 V, 24 V, 25 V DC or via software.
Approx. 14 A for max. charging
Approx. 25 A for max. charging
current (3 A)
current (4 A)
Approx. 46 A for max. charging
current (5 A)
0.5 min, 1 min, 2 min, 5 min, 10 min, 20 min, max. buffering time or via software
Behavior on restoration of input voltage after buffering time Interruption of Uout for the automatic restart of PCs or option of no interruption
On/off control circuit
by opening the circuit the buffer mode is terminated
(via external isolated NO contact)
Starting from battery with input voltage missing
by closing the circuit the buffer mode is started
(by means of external isolated NO contact)
Energy storage units
Connectable batteries
Output data
Output voltage in normal operation
Output voltage in buffering mode
Output +Bat/-Bat in normal operation
End-of-charge voltage
Output current – rated value
– Power boost for 30 ms
– Extra power for 5 s/min
Charging current
Typical efficiency for normal operation and charged
– coded Siemens types SITOP UPS1100 (max. 6 over Energy Storage Link)
– non-coded Siemens types 6EP1935-6M...
– other manufacturers
Rated input voltage Uin - approx. 0.01 x I
27 V DC (no load); 24 V DC (50% battery rated current); 22 V DC (100% battery rated current); 18.5 V DC
(exhaustive discharge protection)
I-U charging characteristic (first constant charging current, then charge retention)
Automatic temperature-specific setting with SITOP UPS1100 battery modules
0 ... 40 A
0 ... 20 A
0 ... 10 A
120 A
60 A
30 A
60 A
30 A
15 A
Max. 5 A
Max. 4A
Max. 3 A
automatic adjustment with
automatic adjustment with
automatic adjustment with
UPS1100; otherwise selectable
UPS1100; otherwise selectable
UPS1100; otherwise selectable
0.8 A, 1.75 A, 5 A
0.8 A, 1.75 A, 4 A
0.3 A, 0.8 A, 3 A
Protection and monitoring
Reverse polarity protection
Against input voltage Uin and against batteries
Overload / short-circuit protection
Yes, restart in normal operation
Normal operation/buffer mode
LED 1 (OK/BAT) green/yellow and isolated changeover switch 1
Charging status (over 85% charged)
LED 2 (BAT>85%) green and isolated changeover switch 3
Alarm (not ready for buffering)
PROFINET interface
LED 3 (Alarm) red and isolated changeover switch 2
LED 4 (BAT.FAULT) red and isolated changeover switch 2: Battery defective,
yellow: selected buffering time not assured, yellow flashing: Overtemperature
LED 5 (SF) green and LED 6 (RUN)
LED 7 (P1) green/yellow and LED 8 (P2) green/yellow, link and activity
Battery status
General data
Radio interference level (EN 55022) / noise immunity Class B / Noise immunity to EN 61000-6-2
Safety class
Class III (ext. circuit and power supply unit: SELV voltage to EN 60950 required)
Degree of protection (EN 60529)
Ambient temperature during operation
with natural convection
Transport/storage temperature
-25 ... +70 °C (derating from 60 °C)
Dimensions (W x H x D) in mm
-40 ... +85 °C
50 x 125 x 125
0.39 kg without interface,
0.38 kg without interface,
0.41 kg with USB,
0.4 kg with USB,
0.44 kg with Ethernet/PROFINET 0.45 kg with Ethernet/PROFINET
Snaps onto DIN rail EN 50022-35x15/7.5
CE, cULus, CB, ATEX; available soon: cCSAus Class I Div 2, GL, ABS
70 x 125 x 150
0.65 kg without interface,
0.65 kg with USB,
0.7 kg with Ethernet/PROFINET
CE, cULus; available soon:
CB, ATEX, cCSAus Class I Div 2, GL, ABS
Technical specifications - Battery modules
Battery modules
UPS1100 24 V, 1.2 Ah
UPS1100 24 V, 3.2 Ah
UPS1100 24 V, 7 Ah
UPS1100 24 V, 12 Ah UPS1100 24 V/ 2.5 Ah
high temperature
10 A
10 A and 20 A
10 A and 20 A
20 A and 40 A
10 A
Article number
Recommended end of
charge voltage (set automatically by
26.4…27.3 V DC (> +20 °C), 27.3…29.0 V DC (< +20 °C)
Charging current
Max. 0.3 A
Rated output voltage
24 V DC, 22 ... 27.0 V DC (no load)
Rated output current
Max. 0.8 A
29 V (-10 °C);
28.6 V (0 °C);
28.3 V (+10 °C);
27.9 V (+20 °C); 27.2 V
(+40 °C);
26.8 V (+50 °C);
26.4 V (+60 °C)
Max. 1.75 A
Max. 3 A
Max. 5 A
10 A
20 A
40 A
40 A
20 A
Integral battery fuse
15 A
25 A
2 x 25 A
2 x 25 A
25 A
LED green: Battery OK Flashing green: Error or warning OFF: Battery off, no communication
Degree of protection
(EN 60529)
Ambient temperature
0...+40 °C
-40...+60 °C
Transport/storage temperature
-20…+50 °C
-40 ... +60 °C
Service life (when capacity falls to 50% of
original capacity),
depending on battery
temperature, approx.
+20 °C: 4 years, +30 °C: 2 years, +40 °C: 1 year, +50 °C: 0.5 years
+20 °C: 10 years,
+30 °C: 7 years,
+40 °C: 3 years,
+50 °C: 1.5 years,
+60 °C: 1 year
DIN rail or
wall mounting
DIN rail or
wall mounting
Wall mounting
Wall mounting
DIN rail or
wall mounting
Dimensions (W x H x D)
in mm
89 x 130 x 107
190 x 169 x 79.5
186 x 186 x 110.5
253 x 168 x 110
265 x 115 x 63
Weight, approx.
1.9 kg
3.8 kg
6.1 kg
9.3 kg
3.7 kg
CE, cULus, C-Tick; KCC; GL, ABS, ATEX
Buffer times
Load current
34.5 min
2.6 h
5.4 h
15.5 min
2.6 h
4.6 h
9 min
39.3 min
1.6 h
2.9 h
37.5 min
6.5 min
27.1 min
1.2 h
2.2 h
27 min
3.5 min
17.5 min
41 min
1.2 h
17.6 min
2 min
12.1 min
28.6 min
53.3 min
12.5 min
10 A
1 min
9 min
21.8 min
43.5 min
8.8 min
12 A
7 min
17.3 min
33.3 min
6.8 min
14 A
5 min
15.1 min
27.5 min
5.1 min
16 A
4 min
12.5 min
23.8 min
4.3 min
20 A
1 min
9.1 min
20.1 min
25 A
12.6 min
30 A
9.1 min
35 A
17.1 min (2 x 12 Ah)
40 A
13.5 min (2 x 12 Ah)
Unless otherwise specified, technical specifications apply for rated input voltage and +25 °C ambient temperature. Determination of the buffering times is based
on the discharge period of new and completely charged battery modules until shutdown of the DC UPS.
...and system-integrated DC UPS
Integration in TIA and TIA Portal
Panel PC/ PC
TIA Portal,
24 V DC
Engineering in the TIA Portal:
Integration of the DC UPS into PROFINET is simple and reliable.
Energy Storage Link
Uninterruptible 24 V DC power supply
SITOP UPS1600 in Totally Integrated Automation:
Engineering takes place via the TIA Portal.
If a power failure occurs, the 24 V DC buffer and the integration of the DC UPS in PROFINET enables the PLCs to be
brought to a defined state independent of one another.
Function blocks for SIMATIC S7-300, 400, 1200 and 1500
are available for this purpose. The comprehensive diagnostic data of the power supply can be visualized by various devices, for example, via UPS faceplates.
Engineering in the TIA Portal:
The UPS configuration is also extremely user-friendly. This
is because the configuration data of UPS1600 and
UPS1100 are stored in the TIA Portal.
Advantages of the SITOP UPS1600
system integration
◾◾ Full integration in TIA saves time and money
in planning and operation
◾◾ Convenient engineering of SITOP DC UPS in the TIA
◾◾ Fast selection of products and network integration in
◾◾ Comprehensive device configuration
◾◾ Comprehensive diagnostic capabilities using the
power supply status
◾◾ Easy integration in STEP 7 user programs with function blocks for S7-300, 400, 1200 and 1500, free
◾◾ Fast integration in the HMI with “UPS faceplates” for
SIMATIC Panels and SIMATIC WinCC (free download)
Faceplates for diagnostics in WinCC:
Monitoring is quickly provided with ready-to-use
SITOP UPS1600 faceplates. All relevant operating and
diagnostic data of the DC UPS and the battery can be seen
at a glance. Even alarm messages, such as missing buffer
readiness are generated without time-consuming programming.
Industrial Security
Get more information
Siemens provides products and solutions with
industrial security functions that support the
secure operation of plants, solutions, machines,
equipment and/or networks. They are important
components in a holistic industrial security
concept. With this in mind, our products and
solutions undergo continuous development.
Siemens recommends strongly that you regularly
check for product updates.
The information provided in this brochure contains merely general
descriptions or characteristics of performance which in case of actual
use do not always apply as described, or which may change as a result
of further development of the products. An obligation to provide the
respective characteristics shall only exist if expressly agreed in the
terms of contract. Availability and technical specifications are subject
to change without prior notice.
All product designations may be trademarks or product names of
Siemens AG or supplier companies whose use by third parties for their
own purposes could violate the rights of the owners.
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