Pacific 110ACX Operation Manual

Manual is about: ACX SERIES

Summary of 110ACX

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    Acx series ac power sources operation manual.

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    Page left intentionally blank for hardcopy versions of this document.

  • Page 3: Acx-Series

    Acx-series operation manual for the models 110acx 115acx 118acx pps part no. 150118-10 this manual assigned to s/n : the information contained in this manual is proprietary to pacific power source, inc. And may not be copied or reprinted without its expressed written consent. Pacific power source, i...

  • Page 4: Certification

    Certification pacific power source certifies that this instrument was thoroughly tested and inspected and found to meet or exceed its published specifications when it was shipped from the factory. Limited warranty pacific power source (pps) warrants each unit to be free from defects in material and ...

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    Table of contents page 5 1 general ................................................................................................................................................... 7 1.1 using this manual ................................................................................................

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    Table of contents page 6 4 operation ............................................................................................................................................. 28 4.1 front panel controls ................................................................................................

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    Section 1 general 7 section 1 general 1 general this manual provides information required to properly use one of the acx series ac power source models. This is a general operations manual and it describes the operation of the basic power source. Installation, operation, and calibration are the subje...

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    Section 1 general 8 1.2 safety notices the acx is capable of transferring very large amounts of electrical energy very quickly. This basic quality is fundamental to any high-performance power source. The warnings and cautions listed below should be observed at all times. Warnings are conditions whic...

  • Page 9: Warning

    Section 1 general 9 warning attention this equipment contains high energy, low impedance circuits!! Lethal potentials are contained within the cabinet. Care must be exercised when servicing this equipment to prevent serious operator injury or equipment damage. Voltage at the terminals responds insta...

  • Page 10: Caution

    Section 1 general 10 1.2 safety notices (continued) caution precaution read sections 1, 3, and 4 of this manual before installing or operating this equipment. Lire les chapitres 1,3 et 4 de ce manuel avant l’installation et l’utilisation de cet equipement warning attention if this equipment is not u...

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    Section 1 general 11 1.2 safety notices (continued) safety symbols signification des symboles de securite 1 alternating current courant alternatif 2 earth (ground) terminal borne de terre 3 protective conductor terminal borne protectrice de conducteur 4 on (supply) allumé (on, sous tension) 5 off (s...

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    Section 1 general 12 1.3 general product description the acx power source is a high-performance ac power conversion instrument. It is intended for indoor use and the chassis is designed to fit into a standard 19 inch instrument rack or to be used on any test bench surface. The power source is suitab...

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    13 section 2 specifications 2 specifications this section states the electrical and mechanical specifications of the acx power source. Some specifications are controller dependent and are noted as such. 2.1 electrical specifications 2.1.1 input power requirements the following input power forms are ...

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    Section 2 specifications 14 2.1.2 output power output voltage range the standard output voltage ranges of the acx are: • 0-150 vac when operated in low range (form 1) • 0-300 vac when operated in high range (form 2) output current full-rated current the full-rated output current of the acx power sou...

  • Page 15: 150V Range

    Section 2 specifications 15 figure 2.2 output rating curves by model rated continuous load current as a function of power factor and output voltage – nominal input line. Short term overloads to 120% are permitted. Operating time before thermal shutdown or circuit breaker trip will vary from seconds ...

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    Section 2 specifications 16 2.1.3 output power factor the acx power source is designed to operate into any load power factor. However, the rating curve charts of figure 2.2 should be consulted for system capabilities at specific output power factors. The amount of heat generated by the amplifier inc...

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    Section 2 specifications 17 2.1.10 output dc offset the dc offset present on the output is: 2.1.11 output protection the output of the acx power source is protected through the use of electronic current limiting. The output will automatically recover when the output fault is removed. Thermal overloa...

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    Section 2 specifications 18 2.2.1 dimensions drawings – front view right view rear view figure 2.3 outline drawing air intake 23.82 0.86 1.22 tb5: remote contactor control circuit breaker for universal ac output socket exhaust air output aux i/o gpib/rs232 input terminal cover 3.00 3.50 input ac cir...

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    Section 2 specifications 19 2.2.2 input power connection input power is brought into the acx at the input power terminal block on the rear panel. 2.2.3 output power connection output power is taken from the acx power source via rear panel mounted terminal blocks. Remote sense terminals are also prov...

  • Page 20: Warning

    20 section 3 installation 3 installation this section describes the installation of the acx ac power source. 3.1 chassis placement the acx power source is designed to operate as a bench-top unit, or to fit into a standard 19-inch rack. Provisions for mounting slide rails are included on the chassis....

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    Section 3 installation 21 3.1 chassis placement (continued) once the unit has been removed from its shipping container, select an appropriate location for the unit. Key points to consider when locating the chassis are: 1. Proximity to the load - the power source should be located as close to the loa...

  • Page 22: Caution

    Section 3 installation 22 3.3 input power connection the acx power source has been designed to accept most standard single-phase input voltage forms. This is accomplished by incorporating an active wide-range power factor correction circuit. Any single-phase input voltage from 115 to 240 vac ±10% ca...

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    Section 3 installation 23 3.3 input power connection (continued) the acx power source is provided with a terminal block for input power connection. This allows hard-wired connection for system applications or attachment of an appropriate input power cord. Refer to paragraph 2.1.1 for minimum input s...

  • Page 24: Warning

    Section 3 installation 24 3.4 output power connection the acx provides output connections at both the front and rear of the chassis. Front panel load connection is through a universal outlet socket. Available current at this socket is 10 amps max., protected by a circuit breaker located at the rear ...

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    Section 3 installation 25 3.4 output power connection (continued) form1 output single phase, low range form2 output single phase, high range or split phase figure 3.4 acx-series system architecture 3.5 remote interface the acx with the upc series programmable controller is supplied with one of two r...

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    Section 3 installation 26 3.6 aux i/o installation on the rear panel j5, the aux i/o (auxiliary input/output) connector, contains synchronizing outputs (digital), external oscillator inputs (analog), and amplitude modulation inputs (am, analog). These are extremely useful in certain test application...

  • Page 27: Warning

    Section 3 installation 27 3.7 external sense connection the acx power source includes connections for external sense of the output voltage. This allows measurement of the output voltage at an external sense point. This feature can be completely disabled, so the wiring detailed in this paragraph is o...

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    Section 4 operation 28 section 4 operation 4 operation this section describes the operation of a acx ac power source. The procedure described in the following paragraphs is a general procedure and does not detail operation of any specific control functions. Refer to the upc series operation manual f...

  • Page 29: Caution

    Section 4 operation 29 4.2 initial power-up this paragraph describes the procedure used to power-on the acx power source for the first time. The steps below are the recommended order of operation. 1. For new installations, check input connections (including proper input voltage). Do not connect the ...

  • Page 30: Caution

    Section 4 operation 30 4.3 routine power-up after it has been verified that the installation is correct, follow the steps below for routine operation. 1. Set the output power switch to the off position. 2. Switch the input power switch to the on position. The controller will light up and begin to di...

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    Section 4 operation 31 4.5 system shutdown this paragraph describes the conditions which will cause an automatic system shutdown and the procedure used to reset the acx-series power source. 4.5.1 shutdown conditions the output contactor of the acx-series power source will be opened automatically whe...

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    Section 4 operation 32 4.6 output voltage forms the acx is a dual-range power source. The output voltage range is selected by the form setting selected in the upc controller. See the upc series operation manual for setup. The standard output configurations are: form 1: 0 – 150 vac form 2: 0 – 300 va...

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    Section 4 operation 33 4.8 constant current mode the default mode of operation for the acx is constant current mode. In this mode, the output voltage will be reduced once the set current limit is reached to maintain the current level drawn by the load. Once the load current demand drops below the se...

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    Section 4 operation 34 4.9 constant voltage mode (current protection mode) when the current protection feature is enabled, the acx will operate in a constant voltage mode. In this mode, if the load current exceeds the set current protection limit (ipra) for a specified period of time, the power sour...

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    Section 4 operation 35 program screen iprt trip delay setting cv mode (current protection) specifications level range: 0.1 – 50 amps resolution: 0.05% of full scale accuracy: ± 0.2% of full scale + calibration reference delay range: 1 – 65535 (0.1 sec – 109.22 mins) resolution: 100 msecs (1 count = ...

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    Section 4 operation 36 4.10 power protection mode all acx models with firmware revision 2.53 or higher are furnished with an over power protection mode. If for whatever reason the acx source is delivering considerably more true power than its maximum rating, the unit will shut down to protect itself...

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    37 section 5 maintenance 5 maintenance this section describes the maintenance of the acx power source. 5.1 maintenance interval maintenance is required once every six months and consists of performing regular calibration. Refer to section 6 for details. For critical applications or if system operati...

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    38 section 6 calibration 6 calibration this section describes the calibration requirements of the acx ac power source. 6.1 calibration interval the acx power source requires calibration once every six months or after service has been performed to the system. 6.2 test equipment requirements the test ...

  • Page 39: Warning

    Section 6 calibration 39 6.3 calibration procedure ( cont. ) warning attention this equipment contains high energy, low impedance circuits!! Lethal potentials are contained within the cabinet. Care must be exercised when servicing this equipment in order to prevent serious operator injury or equipme...

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    Section 6 calibration 40 6.3.1 controller calibration the first step in system calibration is to calibrate the upc controller as stated in the controller manual. Refer to section 8 of the upc series operation manual, p/n 141020. 6.3.2 power source load test these tests are used to verify that the po...

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    41 section 7 service 7 service this section describes service of the acx ac power source. 7.1 service procedure the acx power source contains no user serviceable parts. Service is properly accomplished by returning the unit to the factory or authorized service center. Under some circumstances, the f...

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    42 section 8 index a airflow ............................................................ 13, 15 altitude ................................................................. 13 amps to volts ratio setting .............................. 15 aux i/o ..........................................................

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    43 section 9 modifications and change notices 9 modifications and change notices in cases where customer specified modifications have been installed in the equipment, the modifications will be described on the following pages. If present, be sure to notice any special instructions relative to operat...