STEP-UPS/24DC/24DC/3 Uninterruptible power supply Data sheet 105623_en_00 1 © PHOENIX CONTACT 2013-06-07 Description Uninterruptible power supply units continue to deliver power even in the event of mains breakdowns or failures. Features The product described here is an uninterruptible power supply (UPS) with integrated battery module. In the event of mains breakdowns or failures, it switches to battery operation without interruption so that connected loads continue to be consistently supplied.
STEP-UPS/24DC/24DC/3 2 Table of contents 1 Description .............................................................................................................................. 1 2 Table of contents ..................................................................................................................... 2 3 Ordering data .......................................................................................................................... 3 4 Technical data ....................
STEP-UPS/24DC/24DC/3 3 Ordering data Description Type Order No. Pcs. / Pkt. Uninterruptible power supply with integrated battery module. The STEPBAT/LIPO/18.5 DC/1.4 AH battery module can be re-ordered separately. STEP-UPS/24DC/24DC/3 2868703 1 Accessories Type Order No. Pcs. / Pkt. Replacement battery module, lithium polymer, 18.5 V DC, 1.4 Ah. STEP-BAT/LIPO/18.5DC/1.4AH 2320364 1 DIN rail power supply unit 24 V DC/4.2 A, primary switched-mode, 1phase. STEP-PS/ 1AC/24DC/4.
STEP-UPS/24DC/24DC/3 4 Technical data Input data Nominal input voltage 24 V DC Nominal input voltage range 22.5 V DC ... 29.5 V DC Max. current consumption (IIN = ICHARGE + IBOOST) No load (ICHARGE = 0, IOUT = 0) Charging process (ICHARGE = max., IOUT = 0) 4.7 A < 30 mA < 0.5 A Fixed connect threshold < 22.5 V Variable connect threshold 1V/1s Typical response time < 0.
STEP-UPS/24DC/24DC/3 Battery module Nominal voltage UN 18.5 V DC Memory medium Lithium polymer End-of-charge voltage 18.5 V DC ... 21 V DC Nominal capacity 1400 Ah Charge current 400 mA Battery presence check (time interval) 60 s Quality check of battery Yes, every time it is charged and cyclically once a month Deep discharge protection < 15 V DC Buffer period 50 min (1 A) 25 min (2 A) 17 min (3 A) Rotary selector switch Service 5 min. 10 min. 20 min.
STEP-UPS/24DC/24DC/3 Security Degree of protection IP20 Protection class III Input connection data Connection method Screw connection Conductor cross section, solid 0.2 mm² ... 2.5 mm² Conductor cross section, stranded 0.2 mm² ... 2.5 mm² Conductor cross section AWG/kcmil 24 ... 12 Stripping length 6.5 mm Screw thread M3 Tightening torque 0.6 Nm ... 0.8 Nm Output connection data Connection method Screw connection Conductor cross section, solid 0.2 mm² ... 2.
STEP-UPS/24DC/24DC/3 Conformance with EMC Directive 2004/108/EC Noise immunity according to EN 61000-6-2 EN 61000-6-2 requirement Tested Electrostatic discharge EN 61000-4-2 Housing contact discharge 4 kV (Test intensity 2) 6 kV (Test intensity 3) Housing air discharge 8 kV (Test intensity 3) 8 kV (Test intensity 3) Comments Criterion B Criterion A Electromagnetic HF field EN 61000-4-3 Frequency range 80 MHz ... 1 GHz Test field strength 10 V/m Frequency range 1.4 GHz ...
STEP-UPS/24DC/24DC/3 5 Intended use The uninterruptible power supply features IP20 protection and is intended for installation in housing. It is suitable for the uninterruptible power supply of industrial applications. The technical specifications must therefore be taken into consideration and observed.
STEP-UPS/24DC/24DC/3 6 Structure 6.1 Device elements 1 2 Input DC 3 Output DC 24V 24V 3A 5 6 7 8 9 10 11 12 Bat.Mode Bat.Charge R2 R1 4 tmax [min] 10 Service 11 No. 1 2 3 5 ∞ 5 20 GND Alarm Service/Bat.-Error OFF ON Figure 1 4 Bat.-Mode Bat.
STEP-UPS/24DC/24DC/3 6.2 Block diagram Input DC 24V Output DC 24V tmax [min] mC Alarm Bat.- Mode Bat.
STEP-UPS/24DC/24DC/3 7 Assembly 7.1 Unpacking Before mounting the uninterruptible power supply, it must be checked for damage: – Take the device out of its packaging. – Check the device for any damage sustained during transport. – Retain the package slip for future use. – Dispose of packaging in an environmentally-friendly way. 7.2 Mounting the uninterruptible power supply The uninterruptible power supply is intended for installation in a distributor box or control cabinet.
STEP-UPS/24DC/24DC/3 Please note the following before mounting the uninterruptible power supply: – The minimum distance from other devices that must be observed in order to ensure convection cooling is: 30 mm vertically, 0 mm horizontally 30 108 Input DC Output DC 24V 24V 3A Power in OK Overload tmax [min] 5 ∞ 10 GND R1 R2 30 Bat.Mode ON OFF 20 Bat.Charge Service Alarm 90 STEP DC-UPS Bat.-Mode Bat.-Charge Alarm Service/Bat.
STEP-UPS/24DC/24DC/3 7.3 Mounting on a DIN rail The uninterruptible power supply can be installed on all 35 mm DIN rails according to EN 60175. Simply snap the UPS directly onto the DIN rail. If the UPS is to be fixed directly onto an even surface, press the orange base latch upward and down. Place a washer between the pulled out base latch and the even surface (maximum outside diameter of 8.5 m, maximum thickness of 1.3 mm, e.g.
STEP-UPS/24DC/24DC/3 7.4 Mounting positions For the normal mounting position of the UPS, mount the device so that the input terminal blocks are at the bottom and the output terminal blocks at the top. Alternative mounting positions are possible. There is no voltage/position-dependent derating. Inp ut 24DC V Ou tp 24 ut D V3 C A Po we r in Ov OK erl oa B d Ba at.-M t.-C od ha e Se rg rvic e e/B Ala at.
STEP-UPS/24DC/24DC/3 Y Y Z Z X X Figure 7 Rotated mounting position 180° X-axis Figure 9 Rotated mounting position 270° Z-axis 24V Y 24V 3A Z X Figure 8 Rotated mounting position 270° X-axis PHOENIX CONTACT 15
STEP-UPS/24DC/24DC/3 8 Installation 8.1 Safety regulations and installation notes WARNING: risk of electric shock! Only qualified specialist personnel may install, start up, and operate the device. Observe the national safety and accident prevention regulations. Mains connection must be performed by specialist personnel and protection against electric shock ensured. Cover termination area after installation in order to avoid accidental contact with live parts (e.g., by installing in a control cabinet).
STEP-UPS/24DC/24DC/3 8.2 Installation of individual components + + - L - unbuffered DC load N L(+) N (-) Input AC + + - Output DC buffered DC load + + - Output DC + Input DC STEP POWER STEP-UPS Input R1 R2 Alarm Bat.-Mode Bat.-Charge 24 V DC / 20 mA GND + + + GND PLC Digital Input Figure 10 Schematic design The image is a schematic representation of the design and does not contain all parts. Observe the installation instructions. Power supply Use a current-limited source (e.g.
STEP-UPS/24DC/24DC/3 8.3 Connection and protection Input and protection of the primary side Output and protection on the secondary side Connect the supply lines to the input DC +/- screw connections. Connect the output cables to the output DC screw connections. Therefore use a current-limited source (e.g., STEP POWER) or a suitable fuse. All cables must have large cross sections in order to keep voltage drops as small as possible.
STEP-UPS/24DC/24DC/3 9 Operating behavior 9.1 Mains operation In mains operation (DC input voltage present), the load connected to the output of the uninterruptible power supply is supplied by the mains. The output voltage corresponds to the applied input voltage reduced by 0.3 V. The input voltage is monitored and supplied by the UPS. 9.2 Battery operation In battery operation, the load connected to the DC output of the uninterruptible power supply is supplied by the battery module.
STEP-UPS/24DC/24DC/3 10 Signaling Various LED indicators are available for visual function monitoring of uninterruptible power supplies. Moreover, active signal outputs can be used to forward this data to a higherlevel control system. Inp ut 24DC V Ou tp 24 ut D V3 C A Po we r in Ov OK erl oa B d Ba at.-M t.-C od ha e Se rg rvic e e/B Ala at.
STEP-UPS/24DC/24DC/3 LED indicators and signal outputs For UPS signaling and the corresponding states, please refer to the table. Switching output Status LED Yellow Green Red Alarm Bat.-Mode Bat.-Charge (active low) OFF OFF ON System initialization (3 sec.
STEP-UPS/24DC/24DC/3 11 Operation 11.1 Change battery module Insert battery module To change the battery module, select service mode via the rotary selector switch on the front of the UPS. Correctly position and insert the battery module into the UPS until it audibly snaps in. Set the buffer time. Remove battery module Select service mode. Press the locking buttons on the battery module and remove the module.
STEP-UPS/24DC/24DC/3 11.2 Setting the buffer time You can set the time for exiting battery mode via the rotary selector switch on the front of the device. For this purpose use a screwdriver. 5 ∞ 10 Service Figure 19 tmax [min] 20 Buffer time selector switch tmax [min] setting 5, 10, 20 Meaning The UPS switches off after the set buffer time. (unlimited, delivery state) Buffering with the total stored power Using the chart select the resulting values for the buffer time and discharge current.
STEP-UPS/24DC/24DC/3 11.3 Remote control (contact R1, R2) Battery operation of the UPS can be switched on and off via a signal to contacts R1/R2. Shutdown can take place during mains operation or active battery operation. Remote shutdown is deactivated UPS in function (delivery state) – The "R1" and "R2" terminal points are short circuited (delivery with plug-in bridge) OR 24 V DC is present at terminal point "R2". – In the event of a voltage supply failure, the UPS switches over to battery mode.
STEP-UPS/24DC/24DC/3 12 Removal 12.1 Removing the UPS To dismantle from the EN DIN rail, press the orange base latch outward and pull the device off of the DIN rail. In the case of wall mounting, loosen the screws and press the base latch inwards again. A1 A2 A1 Figure 23 Removal Figure 24 Removal 12.2 Notes on disposal Do not dispose of the UPS and battery module with household waste. They should be disposed of in accordance with the currently applicable national regulations.
