2938853

2938853

  • 厂商:

    PHOENIX(菲尼克斯)

  • 封装:

    -

  • 描述:

    AC/DC CONVERTER 24V 120W

  • 数据手册
  • 价格&库存
2938853 数据手册
1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas QUINT-PS-100-240AC/24DC/5/EX QUINT POWER provides: • Preventive function monitoring through professional signaling • Global use due to a wide range input • A high level of operational safety even in complex global networks • Reliable startup of heavy loads due to POWER BOOST The reliability of a power supply determines the availability of individual components in a system and whether complex systems can function safely. The globalization of markets increases the demands placed on the power supply. A wide range input and a high level of availability are required. These requirements are met by Generation 2 QUINT POWER. 1. Short Description QUINT POWER is the universal 24 V supply of 60 960 W. Output currents of 2.5, 5, 10, 20, 30, and 40 A are available at an adjustable and regulated output voltage of 22.5 - 28.5 V DC. Output currents of 5 A and 10 A are available for use in potentially explosive areas of zone 2. These devices, which are designed as primary switched-mode regulators, operate with a high level of efficiency so that heat loss is kept to a minimum. The high level of operational safety is also ensured in complex global networks. QUINT POWER also operates in applications where static voltage dips, transient power supply failures or phase failure are common. Large capacitors ensure mains buffering of more than 20 ms at full load. All 3-phase QUINT POWER units provide the complete output power even in the event of a continuous phase failure. Reliable startup of heavy loads is ensured by a power reserve of up to 50% - the POWER BOOST. Preventive function monitoring diagnoses an impermissible operating state and minimizes downtimes in your system. An active transistor output and an electrically isolated relay contact are provided for remote monitoring of this state. This signal not only provides information on the device function, but also indicates a system overload at an early stage. 2. Area of Application The power supply corresponds to the EN 50021 standard and may be installed within a potentially explosive area, in which Category 3 equipment is required. The power supply is suitable for use in Class I, Division 2, Groups A, B, C, and D. QUINT POWER can be used globally due to the consistent provision of a wide range input. In this way, your entire system can be tested at any production location in the world and can be delivered to any location in the world without faulty switching of the input voltage. This reduces storage costs and logistical effort. An international approval package including CB Scheme, UL 60950 for IT equipment, and UL 508 for industrial control equipment enables the device to be used globally. Safe operation in adverse conditions is emphasized by the approval of the entire product range by Germanischer Lloyd. Headquarters: © Phoenix Contact GmbH & Co. KG • Flachsmarktstraße 8 • 32825 Blomberg • Germany Phone +49 - 52 35 - 30 0 • Fax +49 - 52 35 - 34 12 00 • www.phoenixcontact.com Local Contact: www.phoenixcontact.com/salesnetwork 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX 3. Technical Data 125 mm (4.921 in.) 130 mm (5.118 in.) L (+) N (–) PE DC OK 13 14 55 mm (2.165 in.) QUINT 24 V DC/5 A /EX 1 AC 7 Input Output Signal solid flexible [mm2] 0.2 - 2.5 0.2 - 2.5 0.2 - 2.5 0.2 - 2.5 0.2 - 2.5 0.2 - 2.5 AWG torque [Nm] [Ib in.] 25 - 14 25 - 14 25 - 14 0.5 - 0.6 4.4 - 5.3 0.5 - 0.6 4.4 - 5.3 0.5 - 0.6 4.4 - 5.3 CB Scheme U uFB Description Type Order No. Power Supply Primary switch mode for potentially explosive areas QUINT-PS-100-240AC/24DC/5/EX 29 38 85 3 Technical Data Input Data 1 Nominal input voltage Input voltage range Frequency Current consumption (for nominal values) Inrush current limiting/I2t (+25°C [+77°F]) Mains buffering for a nominal load (typical) Switch-on time after applying the mains voltage Transient surge voltage protection Input fuse, internal Recommended fuse 100 - 240 V AC (wide range input) 85 - 264 V AC 90 - 250 V DC 45 - 65 Hz 0 Hz 1.9 A (120 V AC)/0.8 A (230 V AC), approximately 20 A, approximately/2.5 A2s, approximately > 20 ms (120 V AC)/> 100 ms (230 V AC) 0.9 x UN = high signal) DC OK (electrically isolated) 4 (Uout > 0.9 x UN = contact closed) LED 6 (Uout < 0.9 x UN = LED flashing) 24 V DC ±1% 22.5 - 28.5 V DC 7.5 A (Uout = 24 V DC) 5.0 A (Uout = 24 V DC) IBOOST ≈ 7.5 A, approximately Unlimited < 1%, typical < 2%, typical < 0.1%, typical 2.7 W/18 W, approximately > 87% (for 230 V AC and nominal values) < 2 ms, typical < 100 mVpp (for nominal values) To increase redundancy and power Yes, limited to 35 V DC, approximately 35 V DC +24 V DC signal (with regard to the device weight) 40 mA, maximum 30 V AC/DC, maximum; 1 A, maximum, ohmic load Green LED PHOENIX CONTACT page 2 of 10 Pcs. Pkt. 1 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX General Data Insulation voltage: Input/output Input/PE Output/PE Approval package Electrical equipment of machines Safety transformers for switched-mode power supply units Electrical safety (of IT equipment) Industrial control equipment Shipbuilding Equipping high voltage installations with electronic equipment Safety extra-low voltage EN 50 178 (VDE 0160) PELV (EN 60 204) SELV (EN 60 950) VDE 0100-410 DIN 57100-410 DIN VDE 0106-101 According to EN 61000-3-2 TÜV 03 ATEX 2047X X II 3G EEx nAC IIC T4 UL/c-UL Recognized UL 1604 Class I, Division 2, Groups A, B, C, D On horizontal NS 35 DIN rail according to EN 50022 Vertical with ≥ 5 cm (1.969 in.)/horizontal 0 cm IP 20 Ι, with PE connection > 500 000 h according to IEC 1709 (SN 29 500) AluNox (AlMg1), closed Default upon delivery: Rotated 90°: (55 x 130 x 125 mm( 122 x 130 x 58 mm [2.165 x 5.118 x 4.921 in.]) [4.803 x 5.118 x 2.283 in.]) 1 kg, approximately Weight Operation Storage Humidity Vibration Shock Degree of pollution Climatic category B EN 60 204 (Surge Voltage Category III) EN 61 558-2-17 EN 60950/VDE 0805, UL/C-UL Recognized UL 60 950 u UL/C-UL Listed UL 508 U Germanischer Lloyd F LISTED Safe isolation Protection against electric shock Protection against dangerous shock currents, basic requirements for safe isolation in electrical equipment Limitation of harmonic line currents Conformance mark according to EN 50021 Electrical equipment for explosion-protected areas Mounting position Can be mounted with spacing Degree of protection Class of protection MTBF Housing version Dimensions (W x H x D) + DIN rail Climatic Data Ambient temperature 4 kV AC (type test)/2 kV AC (routine test) 3.5 kV AC (type test)/2 kV AC (routine test) 707 V DC (routine test) according to IEC 68-2-6 according to IEC 68-2-27 -25°C to +60°C/+40°C (-13°F to +140°F/104°F) -40°C to +85°C (-40°F to +185°F) Up to 100% at +25°C (+77°F), condensation permitted < 15 Hz, amplitude ±2.5 mm/15 Hz - 150 Hz, 2.3 g, 90 minutes 30 g all space directions 2 (according to EN 50 178) 3K3 (according to EN 60 721) c Conforms to the EMC Directive 89/336/EEC and the Low Voltage Directive 73/23/EEC EMC (Electromagnetic Compatibility) Noise Immunity According to EN 61000-6-2: Electrostatic discharge (ESD) EN 61000-4-23) Electromagnetic HF field EN 61000-4-32) Fast transients (burst) EN 61000-4-43) Surge current loads EN 61000-4-53) Requirements EN 61 000-6-2 Housing Contact discharge: Air discharge: Housing Frequency: Field strength: Input: Output: Signal: Input: Output: Signal: Conducted interference EN 61000-4-62) Voltage dips EN 61000-4-113) Simulation of radiophone EN 50204 I/O/S: Frequency: U0: Input: Frequency: Field strength: QUINT-PS-100-240AC/24DC/5/ EX 4 kV 8 kV 80 - 1000 MHz 10 V/m 2 kV 2 kV 1 kV 2 kV 1 kV 0.5 kV 0.5 kV 1 kV asymmetrical5) asymmetrical5) asymmetrical5) asymmetrical5) symmetrical4) asymmetrical5) symmetrical4) asymmetrical5) asymmetrical5) 0.15 - 80 MHz 10 V 30% reduction of the input voltage for 0.5 periods Not required Level 4 8 kV 15 kV Level 3 80 - 1000 MHz/1.4 - 2.0 GHz 10 V/m 4 kV (Level 4) 2 kV (Level 3) 1 kV (Level 2) 4 kV (Level 4) 2 kV (Level 4) 0.5 kV (Level 1) 0.5 kV (Level 1) 1 kV (Level 2) Level 3 0.15 - 80 MHz 10 V See input data: Mains buffering > 20 ms 900 MHz/1800 MHz 20 V/m Noise Emission According to EN 50081-2: Radio interference Radio interference EN 55011 Class A6) EN 55011 (EN 55022) Class B7) EN 55011 6) EN 55011 (EN 55022) Class B7) Class A EN 55011 corresponds to CISPR11/EN 55022 corresponds to CISPR22 EN 61000 corresponds to IEC 1000 2) Criterion A: Normal operating characteristics within the specified limits. 3) Criterion B: Temporary adverse effects on the operating characteristics that the device corrects independently. 4) symmetrical: 5) Cable to cable asymmetrical: Cable to ground 6) Class 7) A: Class B: Industrial application Industrial and domestic applications PHOENIX CONTACT page 3 of 10 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX 4. Device View, Connections, and Control Elements 7 O 14 D C ut OK pu + tD C + – +– 2 4V – 13 – 5A 13 14 D OKC + 1 + – + DC + – 2 4V DC DC – D O 4 OC ut K pu t – 5A O K DC OK X /5/E DC .8A /24 .9-0 AC 40 3 Hz/1AC -2 00 8 850-60 64V -1 3 -2 S 9 /5 5 T-P 2 AC e 8 IN No.: 40V ag QU er- 0-2 Volt l C Ord.: 10ona VD 0 A Inperati -35 C/5 x Op .: 904VD xx Inptp.:2 Ou x x xx V x RE + x … xx P 5 0 95 60 04 -17 EN 602 8-2 5 EN 615 EN -2 0-6 00 -1 1 6 81 EN 500 EN B ns io s ct r u a in st in o m t n t io in g a a ll e c t st in o n n ad c R ef o r e be 6 5 U F D 1 5 G A RIA II 3V03 ST L TÜ DU RO NT IN NT ME COUIP EQD4 1X TE AC In 1 pu L 00-2t N 40V –2 4 LS C .T .. VA x nA X L RO EE TE AP 2 5 + -2 … 3 -1 x xx 22 A .5- dju 28 st .5V C 0°   6 °F 0 14 www.interface.phoenixcontact.com 3 13 14 D OKC + QUINT POWER 4 QUINT T POWER 13 LIS Figure 04 1 AC input: Input voltage 85 - 264 V AC/90 - 250 V DC Frequency 45 - 65 Hz (0.2 mm2 to 2.5 mm2 solid) (0.2 mm2 to 2.5 mm2 flexible) (25 - 14 AWG) Internal fuse 5 AT Recommended fuse 6 A, 10 A or 16 A c.b./Characteristic B 2 DC output: Output voltage 24 V DC (default), can be set from 22.5 - 28.5 V DC using a potentiometer 5 (0.2 mm2 to 2.5 mm2 solid) (0.2 mm2 to 2.5 mm2 flexible) (25 - 14 AWG) The device is idling-proof and short-circuit-proof. 3 DC OK output active 4 DC OK output electrically isolated 5 Potentiometer (covered) 22.5 - 28.5 V DC 6 DC OK LED 7 Universal DIN rail adapter UTA 107 5. Safety Notes and Warning Instructions To ensure safe operation of the device, please read these instructions carefully. Installation, startup, and maintenance must only be carried out by qualified personnel. The relevant country-specific safety rules and regulations for the prevention of accidents must also be observed. When installing and operating electrical equipment, the applicable national safety standards and the general technical regulations (e.g., EN 60 079-14 VDE 0165 Part 1) must be observed. It is particularly important to ensure that: – The mains have been connected correctly and protection is provided against electric shock. – The device can be switched off outside the power supply according to EN 60950 regulations (e.g., by the line protection on the primary side). – The protective conductor is connected. – All supply lines and outgoing cables have sufficient fuse protection and are the correct size for the current flow. – Installation is carried out following the instructions provided. – The specified mechanical or thermal limits are not exceeded during operation. – At least IP 54 protection according to EN60529 is achieved after installation. – If dust is present, the device must be installed in suitable housing. – Only devices, which are suitable for operation in potentially explosive areas of zone 2 and are suited to the conditions at the installation location can be connected to supply and signal circuits in zone 2. – When using a DC input voltage of more than 120 V, a suitable fuse must be fitted. Caution: Never carry out work when the power is turned on, this is highly dangerous. The circuits inside the device must not be accessed during operation. PHOENIX CONTACT page 4 of 10 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX 6. Installation 6.1. Mounting The power supply can be snapped onto all DIN rails according to EN 50022-35 and should be mounted horizontally (input terminal blocks facing downwards). Installation Dimensions QUINT POWER 13 14 D OKC + + – 13 1 D O 4 OC ut K pu tD X /5/E DC .8A /24 .9-0 AC 40 3 Hz/1AC -2 00 8 85 -60 64V S-19 3 /50 5-2 T-P 2 AC e 8 IN No.: 40V g QU er- 0-2 Volta l C 0 Ord.: 1 na VD 0 A Inperatio-35 C/5 x Op .: 904VD xx Inptp.:2 Ou °C x xx V xx 60 RE +    0 °F x … 14 xx – + +– C 2 4V DC O – 5A K 22 A .5-2dju 8.5st V DC x ED ST 5 5 0 95 60 04 -17 EN 602 8-2 5 EN 615 EN -2 0-6 00 61 81-1 EN 500 EN B ns ti o s u c in s tr m a in to n ti o g ll a c ti n s ta e in o n n ad c R efo re be U F LI N 40V –2 4 LS C T ... VA x nA X L EEATE RIA II 3G V03 USTOL T TÜ D R N IN NT ME COUIP EQD4 1X RO P AP AC In 1 pu L 00-2t 5 + -2 … 3 -1 OK xx www.interface.phoenixcontact.com To ensure sufficient convection, we recommend a minimum spacing of 5 cm (1.969 in.) to other modules above and below the device. No minimum spacing to other modules at the sides is required for proper operation of the device. The housing temperature can reach high values depending on the ambient temperature and the load of the device. Figure 05 Narrow mounting position: Installation depth 125 mm (4.921 in.) (+ DIN rail) 122 mm (4.803 in.) DC 13 14 OK ++– – Output DC 24V 5A DC OK Adjust 22.5-28.5V Input AC 100-240V L N 130 mm (5.118 in.) QUINT POWER 50 mm (1.969 in.) 115 mm (4.528 in.) 230 mm (9.055 in.) 55 mm (2.165 in.) Flat mounting position: Installation depth 58 mm (2.283 in.) (+ DIN rail) 5 Figure 06 PHOENIX CONTACT page 5 of 10 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX 6.2. Narrow Mounting Position The device is supplied ex works for a narrow mounting position. Mounting: Place the module with the DIN rail guideway on the top edge of the DIN rail and then snap it downwards. Removal: Release the snap-on catch using a screwdriver and then detach the module from the bottom edge of the DIN rail. 6.3. Flat Mounting Position A flat mounting position can be achieved by mounting the module onto the DIN rail at a 90° angle. To do this, mount the DIN rail adapter (UTA 107) 7 as shown in Figure 08. No additional mounting material is required. Mounting screws: Torx T10 (torque 0.8 - 0.9 Nm/7 - 8 Ib in.). Mounting Removal Figure 07 Figure 08 PHOENIX CONTACT page 6 of 10 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX 6.4. Connection of Various Types of Network: 100 - 240 V AC Networks TN-S network TN-C network TT network L N PE L N PE + – QUINT L N L N PE + – QUINT + – QUINT L1 L2 L3 N PE L1 L2 L3 PEN L N PE L N PE QUINT IT network L PEN L N PE +– QUINT L1 L2 L3 L1 L2 L3 N L N PE L N PE +– QUINT +– QUINT +– Figure 09 Connection Cable: The device is equipped with COMBICON connectors. This reliable user-friendly connection method enables quick device connection and safe isolation of the electrical connection, if required. Only operate connectors when the power is switched off. To maintain UL approvals, use copper cables, which are designed for operating temperatures of 75°C (167°F). To maintain GL approval, unused terminal compartments should be closed. AC In 1 pu L 00-2t 4 The following cable cross sections can be connected: 1 Input: 2 Output: 3 Signal: Solid [mm2] 0.2 - 2.5 0.2 - 2.5 0.2 - 2.5 Flexible [mm2] 0.2 - 2.5 0.2 - 2.5 0.2 - 2.5 N AWG Torque [Nm] [Ib in.] 25 - 14 0.5 - 0.6 4.4 - 5.3 25 - 14 0.5 - 0.6 4.4 - 5.3 25 - 14 0.5 - 0.6 4.4 - 5.3 For reliable and safe-to-touch connection: Strip 7 mm (0.28 in.) from the connector ends. To maintain EN 60 950/UL 60 950, flexible cables require ferrules. 0V 5 7 mm (0.28 in.) Figure 10 6.5. Input (1, Figure 10) The 100 - 240 V AC connection is made using screw connections L, N, and 5. The device can be connected to single-phase AC networks or to two external conductors for threephase networks (TN, TT or IT network according to VDE 0100 T 300/IEC 364-3) with nominal voltages of 100 - 240 V AC. Protecting the Primary Side The device must be installed according to the specifications of EN 60 950. It must be possible to switch off the device using a suitable disconnecting device outside the power supply. Note that an all-pole disconnecting device must be provided for two-phase operation using two external conductors for a threephase network. For example, primary side line protection could be used. Additional device protection is not required, as an internal fuse is present. Recommended Fuse: Circuit breaker 6 A, 10 A or 16 A, Characteristic B (or equivalent). No more than one power supply should be connected to a fuse or a power switch. When using a DC input voltage of more than 120 V, a suitable fuse must be fitted. If the internal fuse is blown, this is most probably due to a device fault. In this case, the device should be checked and/ or repaired in the factory. The power supply unit cannot be repaired by the user and must be replaced by an equivalent device. PHOENIX CONTACT page 7 of 10 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX 6.6. Output (Figure 11) During operation only devices, which are suitable for operation in potentially explosive areas of zone 2, can be connected to the output voltage in zone 2. The 24 V DC connection is made using the "+" and "-" screw connections on the screw connection 2. The output voltage set upon delivery is 24 V DC. The output voltage can be adjusted from 22.5 to 28.5 V DC on the potentiometer 5. The output voltage cannot be adjusted during operation in potentially explosive areas. QUINT POWER 13 Protecting the Secondary Side: The device is electronic short-circuit-proof and idlingproof. In the event of an error, the output voltage is limited to a maximum of 35 V DC. It should be ensured that all output cables are the correct size for the maximum output current or have separate fuse protection. The secondary side cables should have large cross sections to keep voltage drops on the cables to a minimum. External decoupling diodes are required for redundancy operation of these power supplies. For example, the QUINT-DIODE/40 redundancy module could be used (Order No.: 29 38 96 3). Active DC OK switching output (with reference to "-") Electrically isolated DC OK output Meaning Description ON Flashing OFF U = 24 V U = 0V U = 0V Closed Open Open QUINT POWER operating, but: • Error at the load • Current consumption greater than IBOOST • Output short circuit O 14 D C ut O K pu + tD C + – +– 2 4V O – – 5A K 5 22 A .5- dju 28 st .5V Figure 11 13 14 DC OK Output 24V DC + + – – DC OK max. 30 VAC/DC, 1 A Output voltage Output voltage No voltage at the greater than 90% less than 90% of output of the set voltage the set voltage Output voltage and current OK 13 14 D OKC + 2 DC Signaling Both DC OK outputs are used for preventive function monitoring of the power supply. An electrically isolated signal contact 4 and an active DC OK signal 3 are available. In addition, the DC OK LED 6 can be used to evaluate the function of the power supply directly at the installation location. Green "DC OK" LED 3 4 QUINT POWER not operating, because: • No mains voltage present • Primary side fuse is blown • Device is faulty Electrically Isolated Contact (Figure 12) When opened, the electrically isolated signal contact indicates that the output voltage has fallen more than 10% below the set value. Signals and ohmic loads up to a maximum of 30 V and currents up to a maximum of 1 A can be switched. With heavy inductive loads, e.g., a relay, a suitable protective circuit (e.g., free-wheeling diode) is required. PHOENIX CONTACT page 8 of 10 Figure 12 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX Active Signal Output (Figure 13) The 24 V DC signal is between the "DC OK" and "-" connection terminal blocks and can be loaded with 40 mA maximum. This signal output indicates that the output voltage has fallen more than 10% below the set value when "active high" changes to "low". The DC OK signal is isolated from the power output. This ensures that a separate supply does not enter from devices connected in parallel. The 24 V DC signal can be connected directly to the logic input for evaluation. 13 Signal Loop (Figure 14) The two signal outputs mentioned above can be combined easily. 14 24 V DC max. 40 mA DC OK Output 24V DC + + – – DC OK Example: Monitoring two devices Use the active alarm output of device 1 and loop in the electrically isolated alarm output of device 2. In the event of an error, a group error message is generated. It is possible to loop any number of devices. This signal combination saves on wiring costs and logic inputs. Figure 13 DC OK LED The green DC OK LED enables local function evaluation in the control cabinet. LED OFF No mains voltage is present or there is a device fault. Device 1 Device 2 Output 24V DC 13 14 + + – – 24 V DC 40 mA 7. Function 7.1. Output Characteristic Curve The device can supply a nominal output current of 5 A up to an ambient temperature of 60°C (140°F). With an ambient temperature of up to 40°C (104°F) the device continuously supplies an output current of 7.5 A. At temperatures up to 60°C (140°F), the POWER BOOST provides a short-term output current of 7.5 A for a few minutes. With high loads, the working point demonstrates the U/I characteristic curve shown in Figure 15. On an overload or short circuit, the entire output current I BOOST is provided permanently at a reduced output voltage. Once the overload or short circuit has been removed, the entire set secondary voltage is available again. The U/I characteristic curve ensures that both heavy capacitive loads and devices with DC/DC converters can be supplied by QUINT POWER in the input circuit without any problems. Connected fuses are reliably tripped. The selectivity in your system configuration is ensured at all times. Output 24V DC 13 14 DC OK Normal operation of the power supply The output voltage has fallen by more than 10%. There is a secondary load short circuit or overload outside the POWER BOOST area. DC OK LED ON LED flashing + + – – DC OK Figure 14 UOUT [V] 120 W 180 W UN 24 < 40 °C 5 7.5 IN IBOOST IOUT [A] Figure 15 PHOENIX CONTACT page 9 of 10 0 0 20 40 60 Ambient temperature [°C] Figure 16 QUINT + – 5A QUINT + – 5A + – + – Σ= 5A QUINT + – 5A QUINT + – 5A + – 7.5. Power Increase (Figure 18) The output current can be increased to n x IN where n is the number of devices connected in parallel. The parallel connection for power increase can be used to extend existing systems. A parallel connection is recommended if the power supply does not cover the current consumption of the most powerful load. Otherwise, the loads should be divided over independent individual devices. A maximum of five devices can be connected in parallel. PHOENIX CONTACT page 10 of 10 + – Σ = 10 A http://www.phoenixcontact.com Figure 17 Figure 18 TNR: 5156069-01 7.4. Redundancy Operation (Figure 17) Redundant connections are designed for supplying systems, which place particularly high requirements on operational safety. If a fault occurs in the primary circuit of device 1, device 2 automatically takes over the complete power supply without interruption and vice versa. For this purpose, the power supplies to be connected in parallel must be large enough that the total current requirements of all loads can be fully met by one power supply. External decoupling diodes are required for 100% redundancy. For example, the QUINT-DIODE/ 40 redundancy module could be used (Order No.: 29 38 96 3). 5 05/01/03 7.3. Parallel Operation Devices of the same type can be connected in parallel to increase both redundancy and power. The default setting does not have to be adjusted. If the output voltage is adjusted, an even current distribution can be ensured by precisely setting all power supplies that are operated in parallel to the same output voltage. To ensure symmetrical current distribution we recommend that all cable connections from the power supply to the DIN rail are the same length and have the same cross section. Depending on the system, for parallel connection of more than two power supplies a protective circuit should be installed at each individual device output (e.g., redundancy module or DC fuse). This means that in the event of a secondary device fault high return currents are avoided. 7.5  PHOENIX CONTACT 7.2. Temperature Response The device can supply a nominal current of 5 A up to an ambient temperature of 60°C (140°F). With an ambient temperature of up to 40°C (104°F) the device continuously supplies an output current of 7.5 A. At temperatures up to 60°C (140°F), the POWER BOOST provides a short-term output current of 7.5 A for a few minutes. The device does not switch off in the event of a thermal overload. The output power is decreased to such an extent that device protection is provided. Once the device has cooled, the output power is increased again. Output current [A] 1-Phase Power Supply, Primary Switch Mode for Use in Potentially Explosive Areas – QUINT 24 V DC/5 A/EX
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