Allen-Bradley Power Supply Reference Manual
Allen-Bradley Power Supply is a cost-optimized solution for industrial control, office, communication, and instrumentation equipment. It offers high efficiency, electronic inrush current limitation, active PFC, and a wide operational temperature range, ensuring reliability and performance. The compact design with synchronous rectification and advanced technological features makes it suitable for various applications. Key features include a 20% power reserve, adjustable voltage output, and a DC-OK relay contact. The power supply is designed for convection cooling and can be mounted on a DIN-rail.
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Reference Manual Bulletin 1606 Switched Mode Power Supplies Catalog Number: 1606-XLE480EP, 1606-XLE480EPC Index 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. Intended Use Installation Requirements AC-Input DC-Input Input Inrush Current Output Hold-up Time DC-OK Relay Contact Efficiency and Power Losses Lifetime Expectancy and MTBF Functional Diagrams Terminals and Wiring Front Side and User Elements EMC Environment Protection Features Safety Features Dielectric Strength Certifications Standards Compliance 3 3 4 5 5 6 7 7 8 9 9 10 11 12 13 14 14 14 15 15 21. 22. 22.1 22.2 23. 23.1 23.2 23.3 23.4 23.5 23.6 23.7 23.8 23.9 23.10 23.11 23.12 Dimensions and Weight Accessories Wall Mounting Bracket Redundancy Modules Application Notes Peak Current Capability Back-feeding Loads External Input Protection Output Circuit Breakers Parallel Use to Increase Output Power Parallel Use for Redundancy Series Operation Inductive and Capacitive Loads Charging of Batteries Operation on Two Phases Use in a Tightly Sealed Enclosure Mounting Orientations 16 17 17 18 19 19 20 20 20 21 21 22 22 22 23 23 24 Terminology and Abbreviations • • • • • • • • • PE and symbol—PE is the abbreviation for Protective Earth and has the same meaning as the symbol . Earth, Ground—This document uses the term “earth” which is the same as the U.S. term “ground”. T.b.d.—To be defined, value or description will follow later. AC 230V—A figure displayed with the AC or DC before the value represents a nominal voltage with standard tolerances (usually ±15%) included. E.g.: DC 12V describes a 12V battery disregarding whether it is full (13.7V) or flat (10V) 230Vac—A figure with the unit (Vac) at the end is a momentary figure without any additional tolerances included. 50Hz vs. 60Hz—As long as not otherwise stated, AC 230V parameters are valid at 50Hz mains frequency. may—A key word indicating flexibility of choice with no implied preference. shall—A key word indicating a mandatory requirement. should—A key word indicating flexibility of choice with a strongly preferred implementation. Bulletin 1606 Switched Mode Power Supplies Power Supply • • • • • AC 100-240V Wide-range Input Width only 65mm Efficiency up to 94.0% Excellent Partial Load Efficiency 20% Output Power Reserves • Safe HiccupPLUS Overload Mode • Easy Fuse Breaking due to High Overload Current (typ. 80A for 15ms) • Active Power Factor Correction (PFC) • Minimal Inrush Current Surge • Full Power Between -25°C and +60°C • DC-OK Relay Contact • Current Sharing Feature for Parallel Use • 3 Year Warranty General Description Specifications The Allen-Bradley Bulletin 1606-XLE power supplies are cost optimized without compromising quality, reliability and performance. Cat. No. 1606-XLE480EP offers high efficiency, electronic inrush current limitation, active PFC, and a wide operational temperature range. The small size is achieved by a synchronous rectification and further technological design details. Output voltage Adjustment range Output current The Bulletin 1606-XLE line of power supplies includes all the essential basic functions. The devices have a power reserve of 20% included, which may even be used continuously at temperatures up to +45°C. Additionally, Cat. No. 1606-XLE480EP can deliver approximately 4 times the nominal output current for 15ms which helps to trip fuses on faulty output branches. Output ripple AC Input voltage Mains frequency AC Input current Power factor AC Inrush current Efficiency Losses Temperature range Derating High immunity to transients and power surges as well as low electromagnetic emission, a DC-OK relay contact and a large international approval package for a variety of applications makes this unit suitable for nearly every situation. CATALOG NUMBERS Power Supply 1606-XLE480EP 24-28V Standard unit 1606-XLE480EPC Conformal coated Accessories 1606-XLC Wall Mount Bracket 1606-XLSRED40HE Redundancy Module 1606-XLSREDS40HE Redundancy Module 1606-XLSRED40 Redundancy Module 2 Output power Hold-up time Dimensions Weight DC 24V 24 - 28V 20A at 24V, amb <60°C 24A at 24V, amb <45°C 17.1A at 28V, amb <60°C 20.6A at 28V, amb <45°C 480W ambient <60°C 576W ambient <45°C < 50mVpp 20Hz to 20MHz AC 100-240V -15%/+10% 50-60Hz ±6% 4.36 / 2.33A at 120 / 230Vac 0.99 / 0.95 at 120 / 230Vac typ. 9 / 7A peak at 120 / 230Vac 92.7 / 94.0% at 120 / 230Vac 37.8 / 30.6W at 120 / 230Vac -25°C to +70°C operational 12W/°C +60 to +70°C between 100-85Vac, see chapter 15, Environment on page 13 typ. 26 / 26ms at 120 / 230Vac 65x124x127mm WxHxD 1000g / 2.2lb Certifications IND. CONT. EQ. UL 508 Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 UL 60950-1 EMC, LVD, RoHS Bulletin 1606 Switched Mode Power Supplies 1.Intended Use This device is designed for installation in an enclosure and is intended for the general professional use such as in industrial control, office, communication, and instrumentation equipment. Do not use this power supply in equipment, where malfunction may cause severe personal injury or threaten human life. This device is designed for use in non-hazardous, ordinary or unclassified locations. 2.Installation Requirements This device may only be installed and put into operation by qualified personnel. This device does not contain serviceable parts. The tripping of an internal fuse is caused by an internal defect. If damage or malfunction should occur during installation or operation, immediately turn power off and send unit to the factory for inspection. Mount the unit on a DIN-rail so that the terminals are located on the bottom of the unit. For other mounting orientations, refer to Mounting Orientations on page 24. This device is designed for convection cooling and does not require an external fan. Do not obstruct airflow and do not cover ventilation grid (e.g. cable conduits) by more than 15%! Keep the following installation clearances: 40mm on top, 20mm on the bottom, 5mm on the left and right sides are recommended when the device is loaded permanently with more than 50% of the rated power. Increase this clearance to 15mm in case the adjacent device is a heat source (e.g. another power supply). SHOCK HAZARD: Do not use the power supply without proper grounding (Protective Earth). Use the terminal on the input block for earth connection and not one of the screws on the housing. - Turn power off before working on the device. Protect against inadvertent re-powering - Make sure that the wiring is correct by following all local and national codes - Do not modify or repair the unit - Do not open the unit as high voltages are present inside - Use caution to prevent any foreign objects from entering the housing - Do not use in wet locations or in areas where moisture or condensation can be expected - Do not touch during power-on, and immediately after power-off. Hot surfaces may cause burns. WARNING: EXPLOSION HAZARDS! Substitution of components may impair suitability for this environment. Do not disconnect the unit or operate the voltage adjustment or S/ P jumper unless power has been switched off or the area is known to be non-hazardous. A suitable enclosure must be provided for the end product which has a minimum protection of IP54 and fulfills the requirements of the EN 60079-15:2010. Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 3 Bulletin 1606 Switched Mode Power Supplies 3.AC-Input AC input AC input range Allowed voltage L or N to earth Input frequency Turn-on voltage Shut-down voltage Input current Power factor*) Crest factor**) Start-up delay Rise time Turn-on overshoot AC 100-240V 100-264Vac 85-100Vac suitable for TN-, TT- and IT mains networks continuous operation short term or with output derating (1%/V) or with reduced ambient temperature, see Figure 15-1 on page 13, no damage between 0 and 100Vac < 500ms continuous, IEC 62103 ±6% steady-state value, see Figure 3-1 steady-state value at 5A load, see Figure 3-1 steady-state value at 10A load, see Figure 3-1 steady-state value at 20A load see Figure 3-1 min. max. nom. typ. typ. typ. typ. 264-300Vac 300Vac 50–60Hz 84Vac 39Vac 53Vac 74Vac typ. typ. typ. typ. typ. AC 100V 5.25A 0.99 1.5 850ms 85ms AC 120V 4.36A 0.99 1.5 850ms 85ms AC 230V 2.33A 0.95 1.65 650ms 85ms typ. 150ms 150ms 150ms max. 200mV 200mV 200mV The power factor is the ratio of the true (or real) power to the apparent power in an AC circuit. The crest factor is the mathematical ratio of the peak value to RMS value of the input current waveform. Fig. 3-1: Input voltage range Rated input range Fig. 3-2: Turn-on behaviour, definitions Input Voltage max. 500ms Turn-on Shut -dow n POUT 85V Start-up delay 6A Fig. 3-4: Power factor vs. output load a Power Factor, typ. a, b 1.0 b 5 3 c 0.95 a) 100Vac b) 120Vac c) 230Vac 4 Rise Time 264V 300Vac Fig. 3-3: Input current vs. output load at 24V Input Current, typ. - 5% Output Voltage VIN 0.9 c a) 100Vac b) 120Vac c) 230Vac 0.85 2 1 0.8 Output Current 0 2 4 at 24V, 20A, see Figure 3-3 at 24V, 20A, see Figure 3-4 at 24V, 20A see Figure 3-2 at 24V, 20A const. current load, 0mF load capacitance, see Figure 3-2 at 24V, 20A const. current load, 20mF load capacitance, see Figure 3-2 see Figure 3-2 Overshoot *) **) nom. min. min. 4 6 8 10 12 14 16 18 20 22 24A Output Current 0.75 2 4 6 8 10 12 14 16 18 20 22 24A Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 Bulletin 1606 Switched Mode Power Supplies 4. DC-Input Do not operate this power supply with DC-input voltage. Use Cat. No. 1606-XLE480EP-D instead. 5. Input Inrush Current An active inrush limitation circuit limits the input inrush current after turn-on of the input voltage and after short input voltage interruptions. The charging current into EMI suppression capacitors is disregarded in the first microseconds after switch-on. Inrush current*) max. typ. max. typ. Inrush energy*) Inrush delay *) AC 100V 13Apeak 11Apeak AC 120V 13Apeak 9Apeak AC 230V 13Apeak 7Apeak 2A2s 935ms 2.5A2s 935ms 0.5A2s 735ms temperature independent temperature independent temperature independent start-up delay plus rise time Mains interruptions > 500ms Fig. 5-1: Typical input inrush current behavior at nominal load and 25°C ambient Input Current 5A / DIV Input 230Vac 24Vdc Output 100mS/DIV Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 5 Bulletin 1606 Switched Mode Power Supplies 6. Output Output voltage Adjustment range nom. min. max. typ. typ. typ. max. max. 24V 24-28V 30V****) 24.1V 24.1V 25.1V 10mV 100mV typ. 1000mV Ripple and noise voltage Output current max. nom. nom. nom. nom. typ. 50mVpp 20A 24A*) 17.1A 20.6A*) 80A Output power nom. nom. 480W 576W*) cont. current HiccupPLUS mode**) 35A***) 45A***) 15A***) 70A 100A 7 000μF Factory settings Line regulation Load regulation Overload behaviour Short-circuit current min. max. max. min. typ. typ. Output capacitance guaranteed at clockwise end position of potentiometer ±0.2%, at full load, cold unit, in “single use” mode ±0.2%, at full load, cold unit, in “parallel use” mode at no load, cold unit, in “parallel use” mode 85-300Vac in “single use” mode: static value, 0A 20A; see Figure 6-1 in “parallel use” mode: static value, 0A 20A, see Figure 6-2 20Hz to 20MHz, 50Ohm at 24V, ambient temperature <60°C, see Figure 6-1 at 24V, ambient temperature <45°C, seeFigure 6-1 at 28V, ambient temperature <60°C, see Figure 6-1 at 28V, ambient temperature <45°C, see Figure 6-1 up to 15ms, output voltage stays above 20V, see Figure 6-4, This peak current is available once every five seconds. Refer to Peak Current Capability on page 19 for more peak current measurements. continuously available Power Boost® *) output voltage > 13Vdc, see Figure 6-1 output voltage < 13Vdc, see Figure 6-1 load impedance <10mOhm, see Figure 6-3 load impedance <10mOhm, see Figure 6-1 average (R.M.S.) current, load impedance 50mOhm, see Figure 6-3 up to 15ms, load impedance <10mOhm, see Figure 6-4 up to 15ms, load impedance <10mOhm, see Figure 6-4 included inside the power supply *) Power Boost This power/ current is continuously allowed up to an ambient temperature of 45°C. Above 45°C, do not use this power/ current longer than a duty cycle of 10% and/ or not longer than 1 minute every 10 minutes. **) HiccupPLUS Mode At heavy overloads (when output voltage falls below 13V), the power supply delivers continuous output current for 2s. After this, the output is switched off for approx. 18s before a new start attempt is automatically performed. This cycle is repeated as long as the overload exists. If the overload has been cleared, the device will operate normally. See Figure 6-3 ***) Discharge current of output capacitors is not included. ****) This is the maximum output voltage which can occur at the clockwise end position of the potentiometer due to tolerances. It is not guaranteed value which can be achieved. The typical value is about 28.5V (in “single use” mode). Fig. 6-1: Output voltage vs. output current, typ. Output Voltage (Single Use, typ.) 28V Continuous current 24 Factory setting 20 16 Adjustment Range Adjustment Range 29V 28V 27V 26V 25V 12 8 Hiccup mode 4 0 Output Current 0 5 10 15 20 25 30 35 40A Fig. 6-3: Short-circuit on output, HiccupPLUS mode, typ. 6 Fig. 6-2: Output voltage in “parallel use” mode, typ. Output Voltage (Parallel Use, typ.) Factory setting 24V 23V 22V Output Current 0 4 8 12 16 20 Fig. 6-4: Dynamic overcurrent capability, typ. Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 24A Bulletin 1606 Switched Mode Power Supplies Output Current Output Voltage (dynamic behavior, < 15ms) Normal operation Normal operation Short -circuit 28V 24 42A Adjustment Range 20 16 t 0 2s 18s 2s 2s 18s 18s 12 8 4 0 Output Current 0 10 20 30 40 50 60 70 80 90 100A 7. Hold-up Time Hold-up Time AC 100V 65ms 54ms 26ms 21ms typ. min. typ. min. Fig. 7-1: Hold-up time vs. input voltage AC 120V 65ms 54ms 26ms 21ms AC 230V 65ms 54ms 26ms 21ms Fig. 7-2: Shut-down behavior, definitions Hold-up Time 80ms 70 60 50 40 30 20 10 0 90 at 24V, 10A, see Figure 7-1 at 24V, 10A, see Figure 7-1 at 24V, 20A, see Figure 7-1 at 24V, 20A, see Figure 7-1 Zero Transition 24V, 10A, typ. Input Voltage 24V, 10A, min. 24V, 20A, typ. 24V, 20A, min. - 5% Output Voltage Hold-up Time Input Voltage 120 155 190 230Vac 8. DC-OK Relay This feature monitors the output voltage, which is produced by the power supply itself. It is independent of a back-fed voltage from a unit connected in parallel to the power supply output. Contact closes Contact opens As soon as the output voltage reaches 90% of the adjusted output voltage level. As soon as the output voltage dips more than 10% below the adjusted output voltage. Short dips will be extended to a signal length of 100ms. Dips shorter than 1ms will be ignored. max. 60Vdc 0.3A, 30Vdc 1A, 30Vac 0.5A resistive load min. 1mA at 5Vdc min. permissible load Refer to Dielectric Strength on page 14. Contact ratings Isolation voltage Fig. 8-1: DC-ok relay contact behavior VOUT = VADJ 10% < 1ms open closed > 1ms 0.9* VADJ 100ms open closed Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 7 Bulletin 1606 Switched Mode Power Supplies 9. Efficiency and Power Losses Efficiency Average efficiency*) Power losses *) typ. typ. typ. AC 100V 92.0% 91.6% 91.3% AC 120V 92.7% 92.4% 92.0% AC 230V 94.0% 94.0% 93.3% typ. typ. typ. typ. 6.5W 21.1W 41.7W 52.8W 3.9W 20.1W 37.8W 47.4W 2.6W 17.0W 30.6W 36.8W The average efficiency is an assumption for a typical application where the power supply is loaded with 25% of the nominal load for 25% of the time, 50% of the nominal load for another 25% of the time, 75% of the nominal load for another 25% of the time and with 100% of the nominal load for the rest of the time. Fig. 9-1: Efficiency vs. output current at 24V, typ Efficiency Fig. 9-2: Losses vs. output current at 24V, typ. Power Losses 230Vac 94% 93 92 91 90 89 88 87 86 120Vac 100Vac 60W 100Vac 50 120Vac 40 30 230Vac 20 10 Output Current 4 6 Output Current 0 8 10 12 14 16 18 20 22 24A 0 2 4 6 8 10 12 14 16 18 20 22 24A Fig. 9-3: Efficiency vs. input voltage at 24V, 20A, typ. Fig. 9-4: Losses vs. input voltage at 24V, 20A, typ. Efficiency Power Losses 95% 50W 94 45 93 40 92 35 91 30 90 25 Input Voltage 89 100 120 8 at 24V, 20A at 24V, 24A (Power Boost) 25% at 5A, 25% at 10A, 25% at 15A. 25% at 20A at 24V, 0A at 24V, 10A at 24V, 20A at 24V, 24A (Power Boost) 180 Input Voltage 20 230 264Vac 100 120 Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 180 230 264Vac Bulletin 1606 Switched Mode Power Supplies 10. Lifetime Expectancy and MTBF Lifetime expectancy*) MTBF**) SN 29500, IEC 61709 MTBF**) MIL HDBK 217F *) **) AC 100V AC 120V AC 230V 145 000h*) 410 000h*) 64 000h 180 000h*) 38 000h 109 000h*) 468 000h 770 000h 254 000h 150 000h*) 425 000h*) 70 000h 198 000h*) 46 000h 130 000h*) 484 000h 796 000h 261 000h 168 000h*) 475 000h*) 88 000h 249 000h*) 61 000h 171 000h*) 537 000h 882 000h 290 000h 355 000h 361 000h 395 000h 56 000h 57 000h 64 000h 75 000h 77 000h 86 000h at 24V, 10A and 40°C at 24V, 10A and 25°C at 24V, 20A and 40°C at 24V, 20A and 25°C at 24V, 24A and 40°C at 24V, 24A and 25°C at 24V, 20A and 40°C at 24V, 20A and 25°C at 24V, 20A and 40°C; Ground Benign GB40 at 24V, 20A and 25°C; Ground Benign GB25 at 24V, 20A and 40°C; Ground Fixed GF40 at 24V, 20A and 25°C; Ground Fixed GF25 The Lifetime expectancy shown in the table indicates the minimum operating hours (service life) and is determined by the lifetime expectancy of the built-in electrolytic capacitors. Lifetime expectancy is specified in operational hours and is calculated according to the capacitor’s manufacturer specification. The manufacturer of the electrolytic capacitors only guarantees a maximum life of up to 15 years (131 400h). Any number exceeding this value is a calculated theoretical lifetime which can be used to compare devices. MTBF stands for Mean Time Between Failure, which is calculated according to statistical device failures, and indicates reliability of a device. It is the statistical representation of the likelihood of a unit to fail and does not necessarily represent the life of a product. The MTBF figure is a statistical representation of the likelihood of a device to fail. A MTBF figure of e.g. 1 000 000h means that statistically one unit will fail every 100 hours if 10 000 units are installed in the field. However, it can not be determined if the failed unit has been running for 50 000h or only for 100h. 11. Functional Diagrams Fig. 11-1: Functional Diagram L N Input Fuse Input Filter Input Rectifier Active Inrush Limiter PFC Converter Power Converter Output Filter Output Voltage Regulator Temperature Shutdown Output Power Manager Output OverVoltage Protection Output Voltage Monitor + + Single / Parallel VOUT DC-ok LED DC-ok Relay Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 DC-ok Contact 9 Bulletin 1606 Switched Mode Power Supplies 12. Terminals and Wiring The terminals are IP20 Finger safe constructed and suitable for field- and factory wiring. Input and output screw terminals Type Solid wire 0.5-6mm2 Stranded wire 0.5-4mm2 American Wire Gauge AWG20-10 Max. wire diameter 2.8mm (including ferrules) Wire stripping length 7mm / 0.28inch Screwdriver 3.5mm slotted or cross-head No 2 Recommended tightening torque 1Nm, 9lb.in Instructions: a) Use appropriate copper cables that are designed for minimum operating temperatures of: 60°C for ambient up to 45°C and 75°C for ambient up to 60°C minimum 90°C for ambient up to 70°C minimum. b) Follow national installation codes and installation regulations! c) Ensure that all strands of a stranded wire enter the terminal connection! d) Do not use the unit without PE connection. e) Unused terminal compartments should be securely tightened. f) Ferrules are allowed. DC-OK-Signal spring-clamp terminals 0.15-1.5mm2 0.15-1.5mm2 AWG26-14 1.5mm (including ferrules) 7mm / 0.28inch 3.5mm slotted (to open the spring) not applicable Daisy chaining: Daisy chaining (jumping from one power supply output to the next) is allowed as long as the average output current through one terminal pin does not exceed 25A. If the current is higher, use a separate distribution terminal block as shown in Figure 12-2. Fig. 12-1: Daisy chaining of outputs Power Supply Power Supply + + - + + - Output - - Output Load + - Fig. 12-2: Using distribution terminals Distribution Terminals Power Power Supply Supply + +- - Output + +- max 25A! continuous 10 - Output Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 Load + - Bulletin 1606 Switched Mode Power Supplies 13. Front Side and User Elements Fig. 13-1: Fig. 13-1 Front side A Input Terminals (screw terminals) N, L Line input PE (Protective Earth) input C B Output Terminals (screw terminals, two pins per pole) + Positive output – Negative (return) output C Output voltage potentiometer Open the flap to adjust the output voltage. Factory set: 24.1V D DC-OK LED (green) On, when the output voltage is >90% of the adjusted output voltage E DC-OK Relay Contact (quick-connect spring-clamp terminals) The DC-OK relay contact is synchronized with the DC-OK LED. See DC-OK Relay on page 7 for details. F “Parallel Use” “Single Use” selector Set jumper to “Parallel Use” when power supplies are connected in parallel to increase the output power. In order to achieve a sharing of the load current between the individual power supplies, the “parallel use” regulates the output voltage in such a manner that the voltage at no load is approx. 4% higher than at nominal load. See Parallel Use to Increase Output Power on page 21. A missing jumper is equal to a “Single Use” mode. D F E A B Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 11 Bulletin 1606 Switched Mode Power Supplies 14. EMC The power supply is suitable for applications in industrial environment as well as in residential, commercial and light industry environment without any restrictions. A detailed EMC report is available on request. EMC Immunity Electrostatic discharge Electromagnetic RF field Fast transients (Burst) Surge voltage on input Surge voltage on output Surge voltage on DC-OK Conducted disturbance Mains voltage dips Voltage interruptions Voltage sags Powerful transients According generic standards: EN 61000-6-1 and EN 61000-6-2 EN 61000-4-2 contact discharge 8kV air discharge 15kV EN 61000-4-3 80MHz-2.7GHz 20V/m EN 61000-4-4 input lines 4kV output lines 2kV DC-OK signal (coupling clamp) 2kV EN 61000-4-5 LN 2kV L PE, N PE 4kV EN 61000-4-5 +1kV + / - PE 2kV EN 61000-4-5 DC-OK signal PE 2kV EN 61000-4-6 0.15-80MHz 20V 0Vac, 20ms EN 61000-4-11 0% of 100Vac 40Vac, 200ms 40% of 100Vac 70Vac, 500ms 70% of 100Vac 0Vac, 20ms 0% of 200Vac 80Vac, 200ms 40% of 200Vac 140Vac, 500ms 70% of 200Vac EN 61000-4-11 0% of 200Vac (=0V) 5000ms SEMI F47 0706 dips on the input voltage according to SEMI F47 standard 1000ms 80% of 120Vac (96Vac) 500ms 70% of 120Vac (84Vac) 200ms 50% of 120Vac (60Vac) VDE 0160 over entire load range 750V, 1.3ms Criterion A Criterion A Criterion A Criterion A Criterion A Criterion A Criterion A Criterion A Criterion A Criterion A Criterion A Criterion A Criterion A Criterion C Criterion A Criterion A Criterion A Criterion A Criterion C Criterion A Criterion A Criterion A Criterion C Criterions: A: Power supply shows normal operation behavior within the defined limits. C: Temporary loss of function is possible. Power supply may shut-down and restarts by itself. No damage or hazards for the power supply will occur. EMC Emission Conducted emission input lines Conducted emission According generic standards: EN 61000-6-3 and EN 61000-6-4 EN 55011, EN 55022, FCC Part 15, CISPR 11, CISPR 22 Class B IEC/CISPR 16-1-2, IEC/CISPR 16-2-1 limits for DC power port according EN 61000-6-3 fulfilled output lines**) Radiated emission EN 55011, EN 55022 Class B Harmonic input current EN 61000-3-2 fulfilled for class A equipment Voltage fluctuations, flicker EN 61000-3-3 fulfilled*) This device complies with FCC Part 15 rules. Operation is subjected to following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. *) tested with constant current loads, non pulsing **)for information only, not mandatory for EN 61000-6-3 Switching Frequencies Switching frequency 1 Switching frequency 2 12 The power supply has two converters with two different switching frequencies included. 70kHz to 130kHz PFC converter, input voltage and output power dependent 80kHz to 140kHz Main converter, output power dependent Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 Bulletin 1606 Switched Mode Power Supplies 15. Environment Operational temperature*) Storage temperature Output de-rating Humidity**) Vibration sinusoidal -25°C to +70°C (-13°F to 158°F) -40 to +85°C (-40°F to 185°F) 6.4W/°C 12W/°C 5 to 95% r.h. 2-17.8Hz: ±1.6mm; 17.8-500Hz: 2g 2 hours / axis 30g 6ms, 20g 11ms 3 bumps / direction, 18 bumps in total 0 to 2000m (0 to 6 560ft) 2000 to 6000m (6 560 to 20 000ft) Shock Altitude Altitude de-rating Over-voltage category Degree of pollution LABS compatibility Audible noise reduce output power according to Figure 15-1 for storage and transportation 45°C to 60°C (113°F to 140°F) 60°C to 70°C (140°F to 158°F) IEC 60068-2-30 IEC 60068-2-6 IEC 60068-2-27 without any restrictions reduce output power or ambient temperature, see Figure 15-2 IEC 62103, EN 50178, overvoltage category II 30W/1000m or 5°C/1000m > 2000m (6500ft), see Figure 15-2 III IEC 62103, EN 50178, altitudes up to 2000m II altitudes from 2000m to 6000m 2 IEC 62103, EN 50178, not conductive The unit does not release any silicone or other LABS-critical substances and is suitable for use in paint shops. At load currents below 2A some audible noise will be emitted from the power supply *) Operational temperature is the same as the ambient temperature and is defined as the air temperature 2cm below the unit. **) Do not energize while condensation is present Fig. 15-1: Output current vs. ambient temp. Fig. 15-2: Output current vs. altitude short term short term See AC-Input on page 4 for de-rating requirements for input voltages between 85Vac and 100Vac. Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 13 Bulletin 1606 Switched Mode Power Supplies 16. Protection Features Electronically protected against overload, no-load and short-circuits*) typ. 30.5Vdc In case of an internal power supply defect, a redundant circuit limits the maximum max. 32Vdc output voltage. The output shuts down and automatically attempts to restart. IP 20 EN/IEC 60529 > 5mm e.g. screws, small parts yes Output shut-down with automatic restart MOV (Metal Oxide Varistor) included not user replaceable Output protection Output over-voltage protection Degree of protection Penetration protection Over-temperature protection Input transient protection Internal input fuse *) In case of a protection event, audible noise may occur. 17. Safety Features Input / output separation*) SELV PELV double or reinforced insulation I > 5MOhm < 0.1Ohm typ. 0.14mA / 0.37mA typ. 0.20mA / 0.55mA typ. 0.35mA / 0.87mA max. 0.17mA / 0.46mA max. 0.26mA / 0.67mA max. 0.46mA / 1.08mA Class of protection Isolation resistance PE resistance Touch current (leakage current) IEC/EN 60950-1 IEC/EN 60204-1, EN 50178, IEC 62103, IEC 60364-4-41 PE (Protective Earth) connection required input to output, 500Vdc 100Vac, 50Hz, TN-,TT-mains / IT-mains 120Vac, 60Hz, TN-,TT-mains / IT-mains 230Vac, 50Hz, TN-,TT-mains / IT-mains 110Vac, 50Hz, TN-,TT-mains / IT-mains 132Vac, 60Hz, TN-,TT-mains / IT-mains 264Vac, 50Hz, TN-,TT-mains / IT-mains *) double or reinforced insulation 18. Dielectric Strength The output voltage is floating and has no ohmic connection to the ground. Type and factory tests are conducted by the manufacturer. Field tests may be conducted in the field using the appropriate test equipment which applies the voltage with a slow ramp (2s up and 2s down). Connect all inputterminals together as well as all output poles before conducting the test. When testing, set the cut-off current settings to the value in the table below. Fig. 18-1: Dielectric strength Input DC-ok B L N B A D Output Earth, PE C + - 14 A B C D Type test 60s 2500Vac 3000Vac 1500Vac 500Vac Factory test 5s 2500Vac 2500Vac 1000Vac 500Vac Field test 5s 2000Vac 2000Vac 1000Vac 500Vac Cut-off current setting > 15mA > 15mA > 20mA > 1mA To fulfil the PELV requirements according to EN60204-1 § 6.4.1, we recommend that either the + pole, the – pole or any other part of the output circuit shall be connected to the protective earth system. This helps to avoid situations in which a load starts unexpectedly or can not be switched off when unnoticed earth faults occur. Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 Bulletin 1606 Switched Mode Power Supplies 19. Certifications EC Declaration of Conformity UL 508 IND. CONT. EQ. UL 60950-1 2nd Edition The CE mark indicates conformance with the - EMC directive 2004/108/EC, - Low-voltage directive (LVD) 2006/95/EC and - RoHS directive 2011/65/EU. Listed for use as Industrial Control Equipment; U.S.A. (UL 508) and Canada (C22.2 No. 107-1-01); E-File: E56639 Recognized for use as Information Technology Equipment, Level 5; U.S.A. (UL 60950-1) and Canada (C22.2 No. 60950-1); E-File: E168663 20. Standards Compliance EN 61558-2-17 EN/IEC 60204-1 EN/IEC 61131-2 EN 50178, IEC 62103 SEMI F47-0706 Safety of Power Transformers Safety of Electrical Equipment of Machines Programmable Controllers Electronic Equipment in Power Installations Ride-through compliance for the semiconductor industry Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 15 Bulletin 1606 Switched Mode Power Supplies 21. Dimensions and Weight Weight DIN-Rail Installation Clearances 1000g / 2.2lb Use 35mm DIN-rails according to EN 60715 or EN 50022 with a height of 7.5 or 15mm. The DIN-rail height must be added to the unit depth (127mm) to calculate the total required installation depth. See Installation Requirements on page 3 Fig. 21-1: Front view 16 Fig. 21-2: Side view Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 Bulletin 1606 Switched Mode Power Supplies 22. Accessories 22.1 Wall Mounting Bracket (Cat. No. 1606-XLS) This bracket is used to mount the power supply onto a flat surface without utilizing a DIN-Rail. Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 17 Bulletin 1606 Switched Mode Power Supplies 22.2 Redundancy Modules 1606-XLSRED40HE – (2x 20A Inputs, 1x 40A output) The redundancy modules in the HE-series are specially designed for power supplies, which feature the HiccupPLUS overload behavior. The1606XLSRED40HE is the preferred redundancy module for the 1606-XLE480EP power supply. It is equipped with two input channels, which are individually decoupled by utilizing mosfet technology. Using mosfets instead of diodes reduces the heat generation and the voltage drop between input and output. The1606-XLSRED40HE does not require an additional auxiliary voltage and is self-powered even in case of a short circuit across the output. Due to the low power losses, the unit is very slender and only requires 36mm width on the DIN-rail. 1606-XLSRED40– (2x 20A Inputs, 1x 40A output) The1606-XLSRED40 redundancy module is a unit, that is also suitable in combination with power supplies, which have a continuous current overload behavior. Size and performance are the same as the1606-XLSRED40HE. The 1606-XLSRED40 is more complex than the 1606-XLSRED40HE units and therefore higher in cost. The terminal arrangement of the 1606-XLSRED40 are different then the 1606-XLSRED40HE. The output terminal is located on top and the input terminals are on the bottom of the unit in order for a better match to the power supplies of the XLS series that do not feature the HiccupPLUS overload behavior. 1606-XLSREDS40HE – (1x 40A input, 1x 40A output) The single channel redundancy modules in the HE-series are specially designed for power supplies, which feature the HiccupPLUS overload behavior. The 1606-XLSREDS40HE is a 40A single channel redundancy module, which is equipped with a plug connector on the output. The plug connector allows replacing the power supply or the redundancy module while the system is running. The plug connector avoids that the output wires can touch and short the load circuit. The 1606-XLSREDS40HE is very slender and only requires 46mm width on the DIN-rail. It also utilizes mosfet technology instead of diodes for low heat generation and a minimal voltage drop between input and output. It does not require an additional auxiliary voltage and is self-powered even in case of a short circuit across the output. Typical 1+1 Redundant Configuration for 20 A with a dual redundancy module. 24V 20A Load 1606-XLE480EP 24-28V 480W Power Supply + AC Input L N PE I L N PE 18 - 1606-XLE480EP 24-28V 480W Power Supply DCOK DCOK Redundancy Module -- Input Input 1 2 AC Input + - + - L N PE I 24V 20A Load Failure Monitor 1606-XLE480EP 24-28V 480W Power Supply 1606-XLSREDS40HE *) Output 24V 20A ++ Failure Monitor Output DCOK Typical N+1 or 1+1 Redundant Configuration for 20 A with multiple 1606XLSREDS40HE redundancy modules. Output 24V 20A ++ AC Input -- L N PE *) 1606-XLSRED40HE also possible + 1606-XLSREDS40HE -- Input AC Input + - I L N PE Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 + L N PE 1606-XLSREDS40HE I Redundancy Module Output 24V 20A ++ - Output DCOK Redundancy Module Output 24V 20A ++ 1606-XLE480EP 24-28V 480W Power Supply - Output -- Input + - Bulletin 1606 Switched Mode Power Supplies 23. Application Notes 23.1 Peak Current Capability The power supply can deliver peak currents (up to several milliseconds) which are higher than the specified short term currents. This helps to start current demanding loads. Solenoids, contactors and pneumatic modules often have a steady state coil and a pick-up coil. The inrush current demand of the pick-up coil is several times higher than the steady-state current and usually exceeds the nominal output current (including the PowerBoost). The same situation applies when starting a capacitive load. The peak current capability also ensures the safe operation of subsequent circuit breakers of load circuits. The load branches are often individually protected with circuit breakers or fuses. In case of a short or an overload in one branch circuit, the fuse or circuit breaker need a certain amount of overcurrent to open in a timely manner. This avoids voltage loss in adjacent circuits. The extra current (peak current) is supplied by the power converter and the built-in large sized output capacitors of the power supply. The capacitors get discharged during such an event, which causes a voltage dip on the output. The following two examples show typical voltage dips: Fig. 23-1: - Peak load with 2x the nominal current for 50ms, typ. 15ms 24V Output Voltage 24V Fig.23-2: - Peak load with 5x the nominal current for 5ms, typ. Output Voltage 18V 100A 16V 40A Output Current Output Current 0A 0A 10ms/DIV 40A Peak load (resistive) for 50ms Output voltage dips from 24V to 16V. 1ms/DIV 100A Peak load (resistive) for 5ms Output voltage dips from 24V to 18V. Fig.23-3: - 90A Peak load, typ. Please note: The DC-OK relay triggers when the voltage dips more than 10% for longer than 1ms. 90A peak Output Current 24V Output Voltage 18V 15ms 0A 10ms/DIV High Overload Current (typ. >90A for 15ms) enables easy fuse tripping Peak current voltage dips typ. typ. typ. from 24V to 16V from 24V to 18.5V from 24V to 18V at 40A for 50ms, resistive load at 100A for 2ms, resistive load at 100A for 5ms, resistive load Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 19 Bulletin 1606 Switched Mode Power Supplies 23.2 Back-feeding Loads Loads such as decelerating motors and inductors can feed voltage back to the power supply. This feature is also called return voltage immunity or resistance against Back- E.M.F. (Electro Magnetic Force). This power supply is resistant and does not show malfunctioning when a load feeds back voltage to the power supply. It does not matter whether the power supply is on or off. The maximum allowed feed-back-voltage is 35V DC. 23.3 External Input Protection The unit is tested and approved for branch circuits up to 30A (UL) and 32A (IEC). An external protection is only required if the supplying branch has an ampacity greater than this. Check also local codes and local requirements. In some countries local regulations might apply. If an external fuse is necessary or utilized, minimum requirements need to be considered to avoid nuisance tripping of the circuit breaker. A minimum value of 10A B- or C-Characteristic breaker should be used. 23.4 Output Circuit Breakers Standard miniature circuit breakers (MCB’s or UL 1077 circuit breakers) are commonly used for AC-supply systems and may also be used on 24V branches. MCB’s are designed to protect wires and circuits. If the ampere value and the characteristics of the MCB are adapted to the wire size that is used, the wiring is considered as thermally safe regardless of whether the MCB opens or not. To avoid voltage dips and under-voltage situations in adjacent 24V branches which are supplied by the same source, a fast (magnetic) tripping of the MCB is desired. A quick shutdown within 10ms is necessary corresponding roughly to the ride-through time of PLC's. This requires power supplies with high current reserves and large output capacitors. Furthermore, the impedance of the faulty branch must be sufficiently small in order for the current to actually flow. The best current reserve in the power supply does not help if Ohm’s law does not permit current flow. The following table has typical test results showing which B- and C-Characteristic MCBs magnetically trip depending on the wire cross section and wire length. Fig.23-4 Test circuit Power Supply AC MCB + + Wire length DC S1... Fault simulation switch *) 20 Load S1 - Maximal wire length*) for a fast (magnetic) tripping: 0.75mm² 1.0mm² C-2A 29m 40m C-3A 26m 35m C-4A 21m 28m C-6A 8m 10m C-8A 4m 7m C-10A 1m 2m B-6A 17m 24m B-10A 12m 16m B-13A 9m 13m B-16A 4m 7m B-20A 1m 1m Don’t forget to consider twice the distance to the load (or cable length) when calculating the total wire length (+ and – wire). Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 1.5mm² 56m 50m 36m 14m 11m 3m 35m 23m 20m 9m 2m 2.5mm² 82m 77m 53m 25m 18m 6m 53m 32m 29m 17m 2m Bulletin 1606 Switched Mode Power Supplies 23.5 Parallel Use to Increase Output Power Unit A The 1606-XLE480EP power supplies can be paralleled to increase the output power. The output voltage of all power supplies shall be adjusted to the same value (±100mV) in “Single use” mode with the same load conditions on all units, or the units can be left with the factory settings. After the adjustments, the jumper on the front of the unit shall be moved from “Single use” to “Parallel use”, in order to achieve load sharing. The “Parallel use” mode regulates the output voltage in such a manner that the voltage at no load is approx. 4% higher than at nominal load. See Output on page 6. If no jumper is plugged in, the unit is in “Single use” mode. Factory setting is “Single use” mode. AC DC + + Unit B AC DC Load + - - If more than three units are connected in parallel, a fuse or circuit breaker with a rating of 30A or 32A is required on each output. Alternatively, a diode or redundancy module can also be utilized. Energize all units at the same time to avoid the overload HiccupPLUS mode. It also might be necessary to cycle the input power (turn-off for at least five seconds), if the output was in HiccupPLUS mode due to overload or short circuits and the required output current is higher than the current of one unit. Keep an installation clearance of 15mm (left / right) between two power supplies and avoid installing the power supplies on top of each other. Do not use power supplies in parallel in mounting orientations other than the standard mounting orientation (terminals on bottom of the unit) or in any other condition where a derating of the output current is required (e.g. altitude, above 60°C, …). Pay attention that leakage current, EMI, inrush current, harmonics will increase when using multiple power supplies. 23.6 Parallel Use for Redundancy Power supplies can be paralleled for redundancy to gain higher system availability. Redundant systems require a certain amount of extra power to support the load in case one power supply unit fails. The simplest way is to put two power supplies in parallel. This is called a 1+1 redundancy. In case one power supply unit fails, the other one is automatically able to support the load current without any interruption. Redundant systems for a higher power demand are usually built in a N+1 method. E.g. five power supplies, each rated for 20A are paralleled to build a 80A redundant system. For N+1 redundancy the same restrictions apply as for increasing the output power, see also Chapter 23.5, Parallel Use to Increase Output Power. Please note: This simple way to build a redundant system does not cover failures such as an internal short circuit in the secondary side of the power supply. In such a case, the defective unit becomes a load for the other power supplies and the output voltage can not be maintained any more. This can be avoided by utilizing redundancy modules, which have decoupling devices (diodes or mosfets) included. Further information and wiring configurations can be found in chapter 22.3- Redundancy Modules on page 18. Recommendations for building redundant power systems: Use separate input fuses for each power supply. Set the power supply into “Parallel use” mode. Monitor the individual power supply units. Therefore, use the DC-OK relay contact of the XLE480EP power supply. It is desirable to set the output voltages of all units to the same value (± 100mV) or leave it at the factory setting. Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 21 Bulletin 1606 Switched Mode Power Supplies 23.7 Series Operation Unit A AC Power supplies of the same type can be connected in series for higher output voltages. It is possible to connect as many units in series as needed, providing the sum of the output voltage does not exceed 150Vdc. Voltages with a potential above 60Vdc are not SELV any more and can be dangerous. Such voltages must be installed with a protection against touching. DC + + Unit B AC Earthing of the output is required when the sum of the output voltage is above 60Vdc. DC Load + - Earth (see notes) Avoid return voltage (e.g. from a decelerating motor or battery) which is applied to the output terminals. Keep an installation clearance of 15mm (left / right) between two power supplies and avoid installing the power supplies on top of each other. Do not use power supplies in series in mounting orientations other than the standard mounting orientation (terminals on bottom of the unit). Pay attention that leakage current, EMI, inrush current, harmonics will increase when using multiple power supplies. 23.8 Inductive and Capacitive Loads The unit is designed to supply any kind of loads, including capacitive and inductive loads. If extreme large capacitors, such as EDLCs (electric double layer capacitors or “UltraCaps”) with a capacitance > 0.5F are connected to the output, the unit might charge the capacitor in the HiccupPLUS mode (See Output on page 6 ). 23.9 Charging of Batteries The power supply can be used to charge lead-acid or maintenance free batteries. (Two 12V batteries in series) Instructions for charging batteries: a. Set output voltage (measured at no load and at the battery end of the cable) very precisely to the end-of-charge voltage. End-of-charge voltage Battery temperature 27.8V 10°C 27.5V 20°C 27.15V 30°C 26.8V 40°C b. Use a 30A or 32A circuit breaker (or blocking diode) between the power supply and the battery. c. Ensure that the output current of the power supply is below the allowed charging current of the battery. d. Use only matched batteries when putting 12V types in series. e. The return current to the power supply (battery discharge current) is typ. 23mA when the power supply is switched off (except in case a blocking diode is utilized). 22 Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 Bulletin 1606 Switched Mode Power Supplies 23.10 Operation on Two Phases The power supply can also be used on two-phases of a three-phase-system. Such a phase-to-phase connection is Power Supply allowed as long as the supplying voltage is below 240V+10%. Use a fuse or a circuit breaker to protect the N input. The N input is internally not protected and is in this case connected to a hot wire. Appropriate fuses or circuit breakers are specified in section “External Input Protection”. 240V +10% max. L1 L3 23.11 Use in a Tightly Sealed Enclosure L2 AC L Fuse internal fuse N PE DC When the power supply is installed in a tightly sealed enclosure, the temperature inside the enclosure will be higher than outside. In such situations, the inside temperature defines the ambient temperature for the power supply. The following measurement results can be used as a reference to estimate the temperature rise inside the enclosure. The power supply is placed in the middle of the box, no other heat producing items are inside the box Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 23 Bulletin 1606 Switched Mode Power Supplies 23.12 Mounting Orientations Mounting orientations other than all terminals on the bottom require a reduction in continuous output power or a limitation in the maximum allowed ambient temperature. The amount of reduction influences the lifetime expectancy of the power supply. Therefore, two different derating curves for continuous operation can be found below: Curve A1Recommended output current. Curve A2Max allowed output current (results in approximately half the lifetime expectancy of A1). Output Current 24A A1 Fig.23-5: Mounting Orientation A (Standard orientation) 18 Power Supply 12 6 Ambient Temperature 0 INPUT OUTPUT 10 20 30 40 50 60°C Output Current 24A INPUT OUTPUT Fig.23-6: Mounting Orientation B (Upside down) 18 A2 A1 Pow er Supply 12 6 Ambient Temperature 0 10 20 30 40 50 60°C Output Current 24A Fig.23-7: Mounting Orientation C (Table-top mounting) 18 A2 12 A1 6 Ambient Temperature 0 10 20 30 40 50 60°C Output Current 24A 18 Pow er Supply INPUT OUTPUT Fig.23-8: Mounting Orientation D (Horizontal cw) A2 A1 12 6 Ambient Temperature 0 10 20 30 40 50 60°C Output Current INPUT OUTPUT Pow er Supply 24A Fig.23-9: Mounting Orientation E (Horizontal ccw) 18 A2 A1 12 6 Ambient Temperature 0 10 20 30 40 50 60°C Enclosure:Rittal Typ IP66 Box PK 9522 100, plastic, 254x180x165mm Load: 24V, 16A; (=80%) load is placed outside the box Input:230Vac Temperature inside enclosure: 53.5°C (in the middle of the right side of the power supply with a distance of 2cm) Temperature outside enclosure: 25.3°C Temperature rise:28.2K 24 Rockwell Automation Publication 1606-RM001B-EN-P - August 2013 Rockwell Automation Support Rockwell Automation provides technical information on the Web to assist you in using its products. At http://www.rockwellautomation.com/support, you can find technical manuals, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools. You can also visit our Knowledgebase at http://www.rockwellautomation.com/knowledgebase for FAQs, technical information, support chat and forums, software updates, and to sign up for product notification updates. For an additional level of technical phone support for installation, configuration, and troubleshooting, we offer TechConnectSM support programs. For more information, contact your local distributor or Rockwell Automation representative, or visit http://www.rockwellautomation.com/support/. Installation Assistance If you experience a problem within the first 24 hours of installation, review the information that is contained in this manual. You can contact Customer Support for initial help in getting your product up and running. United States or Canada 1.440.646.3434 Outside United States or Canada Use the Worldwide Locator at http://www.rockwellautomation.com/rockwellautomation/support/overview.page, or contact your local Rockwell Automation representative. New Product Satisfaction Return Rockwell Automation tests all of its products to help ensure that they are fully operational when shipped from the manufacturing facility. However, if your product is not functioning and needs to be returned, follow these procedures. United States Contact your distributor. You must provide a Customer Support case number (call the phone number above to obtain one) to your distributor to complete the return process. Outside United States Please contact your local Rockwell Automation representative for the return procedure. Documentation Feedback Your comments will help us serve your documentation needs better. If you have any suggestions on how to improve this document, complete this form, publication RA-DU002, available at http://www.rockwellautomation.com/literature/. Publication 1606-RM001B-EN-P - August 2013 DIR 10000694462(00) Copyright © 2013 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A. ">

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Key features
- High Efficiency
- Active PFC
- Wide Input Voltage
- Adjustable Output Voltage
- Power Reserve
- DC-OK Relay
- Overload Protection
- Convection Cooling
- DIN-Rail Mountable
- Small Size
Frequently asked questions
The output voltage range is 24-28V, with a factory setting of 24.1V. The output voltage can be adjusted using the potentiometer on the front side.
The maximum output current is 24A at 24V and 20.6A at 28V, with an ambient temperature of 45°C. At 60°C, the maximum output currents are 20A and 17.1A respectively.
The input voltage range is AC 100-240V, with a frequency of 50-60Hz. The device is compatible with TN-, TT- and IT mains networks.