Pepperl+Fuchs PS1550 Instruction Manual
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Pepperl+Fuchs PS1550 Instruction Manual

Pepperl+Fuchs PS1550 Instruction Manual

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Instruction Manual 114/GB - PN. 991204
W W o o r r l l d d w w i i d d e e H H e e a a d d q q u u a a r r t t e e r r s s
Pepperl+Fuchs GmbH • Königsberger Allee 87
68307 Mannheim - Germany
Tel. +49 621 776-0 • Fax +49 621 776-10 00
http://www.pepperl-fuchs.com
e-mail: info@de.pepperl-fuchs.com
U U S S A A H H e e a a d d q q u u a a r r t t e e r r s s
Pepperl+Fuchs Inc. • 1600 Enterprise Parkway
Twinsburg, Ohio 44087 • Cleveland - USA
Tel. +330 425 35 55 • Fax +330 425 46 07
A A s s i i a a P P a a c c i i f f i i c c H H e e a a d d q q u u a a r r t t e e r r s s
Pepperl+Fuchs Pte Ltd • P+F Building
18 Ayer Rajah Crescent • Singapore 139942
Tel. +65 779 90 91 • Fax +65 873 16 37
Subject to reasonable modifications due to technical advances • Copyright PEPPERL+FUCHS ELCON • Printed in Italy • IM-ENG-114/GB-AO-PN991204
DOC. TEC.
INSTRUCTION MANUAL
MODEL PS1550
FAULT TOLERANT POWER SUPPLY
For Mission Critical Applications
www.elconinstruments.com
I I t t a a l l y y H H e e a a d d q q u u a a r r t t e e r r s s
Pepperl+Fuchs Elcon
Via delle Industrie, 4 • 20050 Mezzago (MI) - Italy
Tel. +39 039 6292 1 • Fax +39 039 6292 240
e-mail: info@elconinst.com

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  • Page 1 Pepperl+Fuchs Pte Ltd • P+F Building 18 Ayer Rajah Crescent • Singapore 139942 Tel. +65 779 90 91 • Fax +65 873 16 37 Subject to reasonable modifications due to technical advances • Copyright PEPPERL+FUCHS ELCON • Printed in Italy • IM-ENG-114/GB-AO-PN991204...
  • Page 2 IM-ENG-114/GB I N D E X INTRODUCTION page UNPACKING “ STORAGE “ DESCRIPTION AND SPECIFICATIONS “ 4.1 GENERAL INFORMATION “ 4.2 OPERATIVE RANGE “ 4.3 SPECIFICATIONS “ 4.4 CONFIGURATIONS OF INPUT LINES “ 4.5 INPUT LINE REQUISITES “ 4.6 STRUCTURAL INFORMATION “...
  • Page 3 IM-ENG-114/GB 1. INTRODUCTION This manual serves to furnish adequate information for the installation, operation and maintenance of the PS-1550 Power System. To avoid damage, breakdowns and improper utilization please read the manual carefully before attempting installa- tion and utilization. Furthermore, protect ouput and power lines from shortcircuiting considering that peak value and normal function of power delivered by this power unit is notable and capable of causing considerable damage if improperly utilized.

  • Page 4: Description And Specifications

    IM-ENG-114/GB 4. DESCRIPTION AND SPECIFICATIONS 4.1 GENERAL INFORMATION The PS1550 is a modular voltage power system devised to furnish 24V. Its characteristics make it particularly suita- ble for applications requiring flexible compact systems. The PS1550 permits: • Having dual power supply with redundant function and automatic detection due to voltage loss.

  • Page 5: Specifications

    25°C 45°C 65°C Fig. 1. Operative area of PS1550 system. The Power Modules are thermally protected. If temperature exceeds 85 °C at ‘baseplate’, the Modules deactivate until correct operative conditions are restored. Such conditions set off alarm relay. The chassis is fitted with 3 fans, 100 m 3 /h each for a total air flow of 300 m 3 /h. These values permit the system to function at maximum power up to an ambient temperature of 50 °C while with nominal load the curve is that repor-...
  • Page 6 IM-ENG-114/GB - Input current in stationary conditions and maximum load (1 KW) - AC 230 Vac: 7.4 A rms (19.3 A peak). - AC 115 Vac: 13.3 A rms (28.0 A peak). - DC 130 Vdc: 10.1 A. - Inrush current - AC 230 Vac: the inrush current value for the first start up is 35 A for each Line Module.
  • Page 7 - Inputs/Output: 2500 Vac per 1 minute. - Output/Ground: 500 Vdc per 1 minute. R E F E R E N C E N O R M S The PS1550 power system conforms to the following norms: - EN 50081-2 - EN 50082-2...
  • Page 8 4.4 CONFIGURATION OF INPUT LINES The PS1550 system equipped with two Line Modules can be powered by two separate voltages (Line1 and Line 2) and its particular type of redundancy permits dealing with the loss of one of the lines without affecting output..
  • Page 9 - A very short power interruption may create mains voltage spikes due to coupling with consequent system stress. The PS1550 is protected against interference and transitory phenomena by the implementation of a suitable filter at input and varistor with energy absorption of 71 Joules in 2 ms.
  • Page 10 IM-ENG-114/GB 4.6 STRUCTURAL INFORMATION The PS1550 power system consists of: A) a chassis: 1550/RFD A 19’’rack predisposed to accept 4 stacked units including extractable fan box. B) an Input Module: 1550/TB-IN is the terminal module for power inputs (230 Vac, 115 Vac, 130 Vdc) also including the terminal board for alarm relay contacts.

  • Page 11: Functional Description

    5. FUNCTIONAL DESCRIPTION 5.1 GENERALITIES The PS1550 is a continuous voltage power system providing 24V and maximum 1kW power. It has been construc- ted modularly and operates in switching mode to maximize conversion efficiency. Two separate power lines, 230 Vac or 115 Vac, have been foreseen in addition to a 130 Vdc line. They are redun- dant, therefore failure of one of the two has no effect on output which remains unaltered.
  • Page 12 IM-ENG-114/GB Two low voltage contact alarm relays are associated with the power lines which signal the presence of ongoing anomalies in case of: input undervoltage output undervoltage Power Module undervoltage Power Module overload Power Module failure ventilation system failure These events are monitored by a POWER GOOD signal which are common to all system modules via the Mother Board.
  • Page 13 55V ± 10%. The PS1550 is provided with two redundant line Modules so that in case of power failure concerning one of the two power lines or modules, output is at any rate guaranteed by the presence of the second line. This result is possible thanks to the block diode on 1550/LM output.
  • Page 14 5.6 1550/PM POWER MODULE As many as six power modules can be housed in the PS1550 system, any unused slot can be covered by panel. Each Power Module consists of an insulated DC/DC converter, which functions in switching mode at a frequency of 330 KHz.

  • Page 15: Current Sharing

    IM-ENG-114/GB 2. Detection and indication via red LED (on) indicator on front panel, voltage overload (Module current above 7 A set with RV2). 3. Detection and indication via green LED (OFF) indicator on front panel, undervoltage (Module voltage output less than 20.5 ± 0.5 V). The indication of events 2 and 3 is carried out by lowering POWER GOOD signal, this provokes de-energizing of alarm relay.
  • Page 16 5.8 FAN MONITORING CIRCUIT BOARD This circuit board manages the monitoring of the three fans mounted on the PS1550. Their correct function is indi- cated when powered, by the three green LED indicators situated on panel. If voltage absorbed by one of the fans is outside the interval between 120 mA - 420 mA (therefore indicating interruption or overload) the respective LED is set OFF and the POWER GOOD signal lowered (stepped-down) so that alarm relays de-energize.
  • Page 17 IM-ENG-114/GB The fans and fault detection circuits are mounted under the support panel Detection circuit power cable Detection circuit power connection terminal Fan fault detection circuit (5x20 Fuse 3 Fan 3 glass (Power connection Fuse 2 Fan 2 fuses terminals) 500 mA) Fuse 1 Fan 1...

  • Page 18: Electrical Connections

    4.4 for further details concerning configuration of power supply system. Make sure that mains wires are properly connected (phase or positive, neutral or negative and ground). Verify that wiring is fastened solidly to terminals in or- PS1550 der to avoid intermittent connections or hazardous PHASE...

  • Page 19: Alarm Connections

    IM-ENG-114/GB PHASE, WHILE TRACING MAINS FREQUENCY, VARY THEIR PHASES UNTIL FREQUENCY IS LINE To alarm COUPLED. MODULE #1 circuit (connection with two WHEN IN DOUBT ABOUT LINE ISOLATION, UTILI- normally open contacts in parallel) ZE AN ISOLATION TRANSFORMER 1:1 ON ONE OF THE TWO LINES (WHICHEVER IS PREFERA- N o t e : BLE).
  • Page 20 The PS1550 power system utilizes Y type filter capacitors for connections between inputs and ground. It has been accurately tested and isolation specifications have been verified. If isolation testing on PS1550 should ever become necessary, carry out operation in the following manner: 1.

  • Page 21: Maintenance

    Fig. 12. Isolation Testing Output-Ground. 7.3 STARTING UP After having carried out all preliminary controls it is then possible to utilize the PS1550. It would be advisable to measure total current delivered at system output (utilizing a continuous ammeter) so as to be aware of the applied load and margins for future expansion.

  • Page 22: Spare Parts

    IM-ENG-114/GB 8.1 SPARE PARTS Function Function Spare Parts The availability of a stock of spare parts makes PS-1550 Description power system maintenance much easier. Given that the 115 V 230 V of installed system is based on interchangeable units, on the spot ELCON PN ELCON PN parts...

  • Page 23: Troubleshooting

    If the PS1550 is utilized with two line Modules it is possible, thanks to redundance, to extract or insert one of the modules without interrupting power output and see to its repair or substitution in case of breakdown. Even Power Modules can also be removed or inserted (hot-plug in) in rack without altering output.
  • Page 24 IM-ENG-114/GB Initial condition: Initial condition: Initial condition: Output low Output voltage 0 alarm ON (from 20 to 22 Volt) LED indicator LED indicator “POWER ON”? “POWER ON”? Are other Are Line 1 and 2 “OUT ON“ LED indicators ON? indicators OFF? Cause: power lines...

  • Page 25: Warranty

    IM-ENG-114/GB 9. WARRANTY Elcon offers an extended period of warranty assistance performed at their factory. Each instrument to be repaired is thouroughly analyzed to locate the cause and mode of possible faults and correlate them with the initial, interme- diate and final testing documentation. This permits Elcon to trace the fault causes more accurately, thus obtaining valuable indications, reliability statistics, and qualitative evaluation for the purpose of maintaining the quality and re- liabilty of the products under strict control.
  • Page 26 IM-ENG-114/GB h) The customer cannot request cancellation of the contract due to flaws or defects, but only their elimination or, when they cannot be repaired, the replacement of the instruments, if available . If however replacement is not possible, Elcon Instruments has the faculty to offer instruments of the same or equivalent type, quality and effi- ciency, suitable to the same use.

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