Elgar Sorensen DCS Series Instruction Manual
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Elgar Sorensen DCS Series Instruction Manual

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Sorensen
SORENSEN
Division of Elgar
9250 Brown Deer Roa
San Diego, CA 921
1-800-525-2024
Tel: (858) 450-0
Fax: (858) 45 0�
Email: sale · � '[U!:,,l!lll1
©1998 by Sorensen, Division of Elgar Electronics Corporation
This document contains information proprietary to Sorensen, Elgar Electronics Corporation. The information
contained herein is not to be duplicated or transferred in any manner without prior written permission from Sorensen.
April 1998
DCSSERIES
Power Supplies
Instruction Man
Manual covers � CS
8-125
p�3
20-50
0- 7
00-3.5
33-33
40-2
600-1. 7
6
)
c::lels:
,
.
Document No. 1063986 Rev M

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  • Page 1 Email: sale · � '[U!:,,l!lll1 ©1998 by Sorensen, Division of Elgar Electronics Corporation This document contains information proprietary to Sorensen, Elgar Electronics Corporation. The information contained herein is not to be duplicated or transferred in any manner without prior written permission from Sorensen.
  • Page 3 SORENSEN FIVE-YEAR WARRANTY Sorensen, a division of Elgar Electronics Corporation, warrants its products to be free from defects in material and workmanship. This warranty is effective for five years from the date of shipment of the product to the original purchaser. Liability of Sorensen under this warranty shall exist provided that: •...
  • Page 5 NOTE This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.

  • Page 7: Table Of Contents

    CONTENTS SORENSEN DCS SERIES MANUAL CONTENTS 1. Features and Specifications 1.1 Description........................1-1 1.2 Operating Modes ......................1-1 1.3 Power Supply Features ....................1-1 1.4 Specifications ........................ 1-3 2. Installation and Operation 2.1 General ......................... 2-1 2.2 Initial Inspection ......................2-1 2.3 Installation ........................

  • Page 9: Features And Specifications

    SORENSEN DCS SERIES MANUAL FEATURES and SPECIFICATIONS SECTION 1. FEATURES AND SPECIFICATIONS Description DCS Series power supplies are 1000W supplies designed to provide highly stable, continuously variable output voltage and current for a broad range of development, system and burn-in applications. The series consists of nine models designated by the DCS prefix, followed by the output voltage and current ratings.

  • Page 10: Specifications

    FEATURES and SPECIFICATIONS SORENSEN DCS SERIES MANUAL Power Supply Features (continued)_ • External indicator signals for remote monitoring of OVP status, local/remote programming status, thermal shutdown, and output voltage and current. • Optional IEEE-488 interface for complete remote programming and readback capability.
  • Page 11 SORENSEN DCS SERIES MANUAL FEATURES and SPECIFICATIONS Additional Characteristics (continued) ° Storage Temperature Range: to +85 Humidity Range: 0 to 80% Non-condensing Time Delay from power on until output stable: 2 seconds maximum Voltage Mode Transient Response Time: l mS recovery to 1 % band for 30% step load change from 70% to 100% or...

  • Page 13: Installation And Operation

    INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL SECTION 2. INSTALLATION and OPERA TING INSTRUCTIONS General After unpacking, perform an initial inspection and function test to ensure that the unit is in good working order. If the unit was damaged in shipment, notify the carrier immediately. Direct repair problems to the Sorensen Repair Department.
  • Page 14 SORENSEN DCS SERIES MANUAL INSTALLATION and OPERATION 2.3.1 Input Voltage Selection (continued) 6. Install a 130Vac 25Amp plug and cord ensuring that the neutral (white) wire and line (black) wire are connected in the correct positions and that the safety ground wire is connected to the ground screw.
  • Page 15 REAR UIEW ( 14) ( 16) POSITIVE NEGATIVE (19) OUTPUT OUTPUT AC INPUT CONNECTOR (8-80V MODELS) (8-80V MODELS) 1151230 VOLT <SELECTABLE> +ll O ll- -:;½,- 17-63HZ. ggg D D ggggg µ-; NEUT. LINE COOLING FAN El<HAUST l�ll®II L___j Q Q Q Q Q DO HOT OBSTRUCT Q Q Q SERIAL Nll18ER...

  • Page 17: Initial Functional Test

    INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL Initial Functional Tests Before connecting the unit to an AC outlet, make sure that the power switch is in the OFF position and that the voltage and current controls are turned fully counter clockwise. Check that the J3 mating connector on the rear of the unit is in place with jumpers connected for local operation as shown below.

  • Page 18: Controls, Connectors, And Indicators

    SORENSEN DCS SERIES MANUAL INSTALLATION and OPERATION Controls, Connectors, and Indicators Refer to Figure 2-1 and the descriptions below. 2.5.1 Front panel 1. AC Power Switch 2. AC Input Circuit Breaker 3. OVP Adjust Potentiometer: Manual adjustment for OVP trip level 4.
  • Page 19 INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL Table 2-1 J3 Program, Sense and Monitor Connector Description (D-subminiature 25 Pin Female)* FUNCTION PIN NUMBER 1.... . A C /DC Shutdown Input (12-250Vac or 12-130Vdc) TTL Shutdown Input Return for Shutdown Input Signals 2 ....

  • Page 20: Standard Operation

    INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL Standard Operation Reliable performance of the DCS power supply can be obtained if certain basic precautions are taken when connecting it for use on the lab bench or installing it in a system.
  • Page 21 SORENSEN DCS SERIES MANUAL INSTALLATION and OPERATION 2.6.3 Remote Sensing The use of remote sensing permits the regulation point of the power supply to be shifted from the output terminals to the load or other distribution terminals thereby automatically compensating for the voltage losses in the leads supplying the load (provided these losses do not exceed IV/line (0.5V/line for the DCS 8-125 model)).

  • Page 22: Single Supply Operation

    INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL Single Supply Operation (Local Mode) To operate the DCS power supply in local mode, first install the unit and connect the load following the instructions in Sections 2.1 to 2.6. Check that switch SWl (mounted internally on the main printed circuit board) is set for local operation and that the J3 mating connector on the rear of the unit is in place with jumpers connected for local operation.

  • Page 23: Multiple Supplies

    INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL Multiple Supplies DCS Series power supplies of the SAME MODEL may be operated with outputs in series or parallel to obtain increased load voltage or current. Split supply operation allows two positive or a positive and negative output to be obtained.

  • Page 24: Overvoltageprotection

    INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL Over Voltage Protection (OVP) The OVP circuit allows for protection of the load in the event of a remote programming error, incorrect voltage control adjustment, or power supply failure. The protection circuit monitors the output and reduces the output voltage and current to zero whenever a preset voltage limit is exceeded.
  • Page 25 INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL 2.9.2 Remote Programming of OVP With External Voltage Sources To remotely program the OVP trip level using a 0-5V or 0-I0V DC voltage source use the following procedure. With the unit off and disconnected from its AC source, remove the cover and set switch SWl-4 closed (default factory setting) for 0-5V programming or open for 0-IOV programming.
  • Page 26 INSTALLATION and OPERATION SORENS EN DCS S ERIES MANUAL 2.9.3 Remote Programming of OVP with an External Resistance To remotely program the OVP trip level using a 5k ohm external potentiometer use the following procedure. With the unit off and disconnected from its AC source remove the cover, set switch SWl-8 open and check that switch SWl-4 is closed ( default factory setting for switch SWl-4 ).
  • Page 27 INSTALLATION and OPERATION SOR ENS EN DCS S ERIES MANUAL 2.9.4 Remote Programming of OVP with External Current Sources To remotely program the OVP trip level using a 0-lmA current source use the following procedure. With the unit off and disconnected from its AC source remove the cover and set switches SWl-4 and SWl-8 closed (default factory setting).

  • Page 28: 2.10 Remote On/Off

    INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL 2.9.5 Remote OVP Sensing The default configuration for the OVP circuit senses the output voltage at the power supply output terminals. For applications using remote sensing where there is a need to accurately monitor the actual load voltage, the following procedure allows the OVP sense point to be shifted from the power supply output to the sense line connection points.
  • Page 29 SORENSEN DCS SERIES MANUAL INSTALLATION and OPERATION 2.11 Remote Programming of Output Voltage and Current Limit The ou tp ut voltage and current limit of the power supply can be remotely programmed through the rear panel J3 connector using external voltage sources, current sources and resistances. Switch SWl on the...
  • Page 30 INSTALLATION and OPERATION SORENSEN DCS SERIES MANUAL 2.11.1 Programming With External Voltage Sources (continued) For programming with a 0-lOVdc source, close switch SWl-3 and replace the 0-5V source with a 0-l0V source. 1 n nwmnu1 SWITCH SW1 CONNECTOR J3 1312 OPEN �...
  • Page 31 SORENSEN DCS SERIES MANUAL INSTALLATION and OPERATION 2.11 Remote Programming of Output Voltage and Current Limit (continued) 2.11.2 Programming W ith an External Resistance The output voltage and current limit can be programmed using a 5k ohm external potentiometer. To program the output voltage, set switch SWl-3 open (default factory setting) and remove the jumpers connecting pins 8 to 9 and 20 to 21 on connector J3.
  • Page 32 SORENSEN DCS SERIES MANUAL INSTALLATION and OPERATION 2.11 Remote Programming of Output Voltage and Current Limit (continued) 2.11.J Programming With an External Current Source The output v,0ltage and current limit can be programmed using an external 0-lmA current source. To program the output voltage, set the front panel voltage control to maximum, set switch SWl-3 open (default factory setting) and remove the jumper between pins 20 and 21 of connector J3.

  • Page 33: Remote Programming

    SORENSEN DCS SERIES MANUAL INSTALLATION and OPERATION 2.12 Remote Monitoring and Status Indicators Readback signals for remote monitoring of the output voltage and current are available at connector J3 on the rear of the unit. A 0-5V (uncalibrated) signal between pins 1 9 (positive) and 12 (negative) represents 0-100% of the rated output voltage.

  • Page 35: Theory Of Operation

    THEORY OF OPERATION SORENSEN DCS SERIES MANUAL SECTION 3. THEORY OF OPERATION Power Circuit (A2 Assembly) This section describes the operation of the A2 assembly switching regulator power circuit. Three subsections cover basic switching regulator theory, a simplified description of the Sorensen full bridge converter, and a more detailed circuit description intended for troubleshooting purposes.
  • Page 36 THEORY OF OPERATION SORENSEN DCS SERIES MANUAL 3.1.2 Simplified Full Bridge Converter Theory (continued) Transformers Tl, T 3 and T 4 provide output isolation from the line potentials in the primary circuit, the PWM circuit and the auxiliary supply circuits respectively.
  • Page 37 SIMPLIFIED FULL BRIDGE CONUERTER � , IIWT �----- USE LJMITER (Kl ,Rll61 RECTIFICATION INPUT FILTER CCT, FULL �AUE BRJDGE USED OH 300 AND 600U MODELS ICA36,C7l ,cn1 ICR301-304 OH 300U MODELS> POIIER SIIJTCH ICR45-48 ON 600U MODELS) Q 15 8-150U CONFIGURATION SHOWN CR301-302 Q 16 I­...
  • Page 39 THEORY OF OPERATION SORENSEN DCS SERIES MANUAL 3.1.3 Detailed Circuit Description (continued) Output Rectifier Circuit and Output Filter The DCS series uses two different configurations for the output rectifier. The 8V to 80V models use a full wave center tap configuration while the 150 to 600V models employ a full wave bridge. On 8V and 20V models the output rectifiers are one piece power tap units mounted on the rectifier heatsink with the secondary snubber components connected directly to the rectifier input terminals.
  • Page 40 THEORY OF OPERATION SORENSEN DCS SERIES MANUAL 3.1.3 Detailed Circuit Description (continued) Current Control Circuit The output current is monitored by current shunt resistor R91 which develops a voltage across it proportional to the output current. This voltage is amplified and conditioned by the differential op amp formed by U4-3, U4-4 and...
  • Page 41 THEORY OF OPERATION SORENSEN DCS SERIES MANUAL 3.1.3 Detailed Circuit Description (continued) Over Voltage Protection Circuit (continued) During remote voltage programming of the OVP trip level the internal l mA current source is disconnected by removing the jumper connecting pin 3 and 16 of connector J3 and the reference voltage at pin 6 of U3-2 is provided directly by the external voltage source.

  • Page 42: Meter Circuit (Al )

    THEORY OF OPERATION SORENSEN DCS SERIES MANUAL 3.1.3 Detailed Circuit Description (continued) Remote Programming of the Output Current Limit During remote programming of the output current limit with an external voltage source the local operation jumpers connecting J3 pins 10 to 11 and 22 to 23 are removed and the external source ( 0-5V, 0-lOV, or 0-lO0mV) is connected between pins 10 (positive) and 12 (negative).

  • Page 43: Maintenance, Troubleshooting, And Calibration

    MAINTENANCE SORENSEN DCS SERIES MANUAL SECTION 4. MAINTENANCE, TROUBLESHOOTING, AND CALIBRATION General This section provides periodic maintenance, calibration and troubleshooting information. Periodic Service No routine service except for periodic cleaning is required. Whenever a unit is removed from service, it should be cleaned, using naphtha or an equivalent solvent on the metal surfaces and a weak solution of soap and water for the front panel.

  • Page 44: Calibration

    MAINTENANCE SORENSEN DCS SERIES MANUAL Calibration Calibration on both the Al and A2 assemblies is accomplished using multiturn trimpots. The list below gives the circuit designation of the trimpot and the parameter affected by that part. Calibration is performed at the factory during testing and recalibration should be unnecessary unless major repairs are required.

  • Page 45: Schematics And Parts Lists

    SORENSEN DCS SERIES MANUAL SCHEMATIC S and PART S SECTION 5. SCHEMATICS AND PARTS LISTS General This section provides schematic drawings and parts lists for the following assemblies: Al - Front panel assembly A2 - Power assembly - Chassis and cover Most assemblies consist of parts common to all series models as well as parts which are model-specific, or differential.

  • Page 46: A L Front Panel Assembly Replacement Parts

    SCHEMA TICS and PARTS SORENSEN DCS SERIES MANUAL 5.3 A 1 Front Panel Assembly Replacement Parts Al Assembly Parts Description Sorensen Circuit Part number Designation Cl,9 1 OmF 25V 20% 2.5mm Tantalu m capacitor C2,12 lOOpF IOOV Z5F 10% 5.0mm Ceramic capacitor 0.33mF 50V Z5U -20%/ + 80% 5.0mm...
  • Page 47 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL Al Assembly Parts (continued) Circuit Description Sorensen Designation Part number R19,20 5k 1 OT 2W 5% Panel Mount ¼" Shaft Potentiometer R21,21A 5k 20 Tum 10% Cermet Pot Type Y Only one installed 200Q5%¼WCF...

  • Page 48: 5.4 A2 Power Assembly Replacement Parts

    SCHEMA TICS and PARTS SORENSEN DCS SERIES MANUAL 5.4 A2 Power Assembly Replacement Parts 5.4.1 A2 Common Parts Circuit Description Sorensen Part number Designation l µF 250Vac 10% 27.5mm Cl,4,70,73 Metal film X capacitor C2,3,5,6 lOnF 250Vac 10% 15mm Metal film Y capacitor 470µF 35V 20% 5mm 13 x 25mm...
  • Page 49 SORENSEN DCS SERIES MANUAL SCHEMATICS and PARTS 5.4.1 A2 Common Parts (continued) Circuit Description Sorensen Designation Part number 1N4004 400V IA Diode CRI 4,36,37,40,41,43 CR20 1N5242B 12V 5% 0.5W Zener diode CR22,23 1N753A 6.2V Zener diode CR23A 1N4731A 4.3V l W Zener diode IN4372A 3.0V 400mW Zener Diode...
  • Page 50 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.1 A2 Common Parts (continued) Circuit Description Sorensen Part number Designation Rl,3,49,51,56,75,77,96,96A 4.99kQ 1% ¼WMF R2,l l-15,17,40,45,82,l23 750Q 1%¼W R4,6,19,21,25,32,39,61, lkQ 1% ¼WMF 74,76,79,97,102 R5,8,8A,20,23,24,28,57,58,60, l0kQ 1%¼WMF 62,65,69,80,81,81A,103,105 R7,46-48,52 1 0kQ 20T 10% Cermet trim pot Y Type R7 A,63,66,67 20k 1%¼WMF...
  • Page 51 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.1 A2 Common Parts (continued) Circuit Description Sorensen Designation Part number ° Temp. Sensor 100k@25 C TO92 8PST DIP Switch Bridge drive transformer 1 : 1 Current sense transformer Auxiliary transformer 110/220 l 6CT 12V A...
  • Page 52 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts Model DCS 8-125 Differential Parts Circuit Description Sorensen Designation Part number C27,54 l0nF lO0V X7R 10% 5mm Ceramic capacitor CSI-53 22000µF IOV 10mm 30 x 35mm Snap in electrolytic capacitor...
  • Page 53 SORENSEN DCS SERIES MANUAL SCHEMATICS and PARTS Model DCS 8-125 Differential Parts (continued} Sorensen Circuit Description Part number Designation Output bus bar (negative) Output bus bar (positive) Differential heatsink for 8-300V models For mountingC30 I ,C302, 0.25" Solder lug C306,R301,R302...
  • Page 54 SCHEMA TICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts (continued) Model DCS 20-50 Differential Parts Circuit Description Sorensen Designation Part number C27,54 1 OnF 100V X7R 10% 5mm Ceramic capacitor C51,52,53 10,000µF 25V 10mm 35 x 30mm...
  • Page 55 SORENSEN DCS SERIES MANUAL SCHEMA TICS and PARTS Model DCS 20-50 Differential Parts (continued) Circuit Description Sorensen Designation Part number Output bus bar (negative) Output bus bar (positive) Negative conductor bus Positive conductor bus Rectifier output bus Shunt bracket For shunt bracket #6-32 x ¼"...
  • Page 56 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts (continued) Model DCS 33-33 Differential Parts Circuit Description Sorensen Designation Part number IOnF IOOV X7R 10% 5mm Ceramic capacitor IOOpF IOOV Z5F 10% 5mm Ceramic capacitor C51,52,53 3300µF 63V 30 x 35mm Snap in electrolytic capacitor 4.
  • Page 57 SORENSEN DCS SERIES MANUAL SCHEMA TICS and PARTS Model DCS 33-33 Differential Parts (continued) Circuit Description Sorensen Designation Part number Rectifier PCB parts Rectifier/snubber PCB Rev D For rectifier PCB mounting 9 mil Thermally conductive insulating sheet C301 l nF lkV X7R 10% 6.5mm...
  • Page 58 SCHEMA TICS and PARTS SOREN SEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts (continued) Model DCS 40-25 Differential Parts Circuit Description Sorensen Designation Part number lOnF 1 OOV X7R 10% 5mm Ceramic capacitor 470pF IOOV X7R 10% 5mm Ceramic capacitor C51,52,53 3300µF 63V 30 x 35mm Snap in electrolytic capacitor...
  • Page 59 SCHEMA TICS and PARTS SORENSEN DCS SERIES MANUAL Model DCS 40-25 Differential Parts {continued) Circuit Description Sorensen Designation Part number Rectifier PCB parts Rectifier/snubber PCB Rev D For rectifier PCB mounting 9 mil Thermally conductive insulating sheet C301 l nF lkVX7R 10% 6.5mm...
  • Page 60 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts ( continued) Model DCS 60-18 Differential Parts Circuit Description Sorensen Designation Part number lOnF 1 00V X7R 10% 5mm Ceramic capacitor lnF 100V X7R 10% 5mm Ceramic capacitor C51,52,53 3300µF 63V 30 x 35mm...
  • Page 61 SORENSEN DCS SERIES MANUAL SCHEMATICS and PARTS Model DCS 60-18 Differential Parts (continued) Circuit Description Sorensen Designation Part number Rectifier PCB parts Rectifier/snubber PCB Rev D For rectifier PCB mounting 9 mil Thermally conductive insulating sheet 330pF lKV Z5F 10% 6.5mm...
  • Page 62 SCHEMA TICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts (continued) Model DCS 80-13 Differential Parts Circuit Description Sorensen Designation Part number lOnF lOOV X7R 10% 5mm Ceramic capacitor lnF 100V X7R 10% 5mm Ceramic capacitor C51,52,53 lOOOµF IOOV 30x35mm 10mm...
  • Page 63 SORENSEN DCS SERIES MANUAL SCHEMATICS and PARTS Model DCS 80-13 Differential Parts (continued) Circuit Description Sorensen Designation Part number Rectifier PCB parts Rectifier/snubber PCB Rev D For rectifier PCB mounting 9 mil Thermally conductive insulating sheet C301,303,304 220pF lkV 10% Z5F 6.5mm...
  • Page 64 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts (continued) Model DCS 150-7 Differential Parts Circuit Description Sorensen Designation Part number lOnF 1 00V X7R 10% 5mm Ceramic capacitor lnF lkV X7R 10% 6.5mm Ceramic disk capacitor...
  • Page 65 SORENSEN DCS SERIES MANUAL SCHEMA TICS and PARTS 5.4.2 A2 Assembly Differential Parts (continued) Model DCS 150-7 Differential Parts Circuit Description Sorensen Designation Part number Rectifier PCB parts Rectifier/snubber PCB PC 103R For rectifier PCB mounting 9 mil Thermally conductive insulating sheet C301,303,304 220pF 3kV Z5U I 0% 6.5mm...
  • Page 66 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts (continued) Model DCS 300-3.5 Differential Parts Circuit Description Sorensen Designation Part number lOnF 1 00V X7R 10% 5mm Ceramic capacitor 220pF lkV Z5F 10% 6.5mm Ceramic capacitor C48,49,50, 50A,87...
  • Page 67 SORENSEN DCS SERIES MANUAL SCHEMA TICS and PARTS Model DCS 300-3.5 Differential Parts (continued) Circuit Description Sorensen Designation Part number Differential heatsink for 8-300V models Rectifier PCB parts Rectifier/snubber PCB PC 103R For rectifier pcb mounting 9 mil Thermally conductive insulating sheet C301-305 220pF 3kV Z5U 10% 6.5mm...
  • Page 68 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL 5.4.2 A2 Assembly Differential Parts (continued) Model DCS 600-1.7 Differential Parts Circuit Description Sorensen Designation Part number lOnF IOOV X7R I 0% 5mm Ceramic capacitor IOOpF lkV 10% 6.5mm Ceramic radial capacitor C48,50,50A,87...
  • Page 69 SORENSEN DCS SERIES MANUAL SCHEMA TICS and PARTS Model DCS 600-1.7 Differential Parts (continued) Circuit Description Sorensen Designation Part number Empty P osition l.6MO5%½W 91k 5%5W WW 0.20 1% 5W Non inductive 47O5%5W WW 1.8201% ¼W l l.8kO 1% ¼W MF...
  • Page 70 SCHEMATICS and PARTS SORENSEN DCS SERIES MANUAL Model DCS 600-1.7 Differential Parts (continued) Circuit Description Sorensen Designation Part number C300 50nF lkV Z5U -20%/+80% 10mm Ceramic Capacitor For connecting #6-13/16" Bent Locking Solder Lug C300 to chassis C301,302,303, I 00pF 3kV Z5U -20%/+80% 6.5mm...

  • Page 71: Chassis And Cover Assembly

    SORENSEN DCS SERIES MANUAL SCHEMA TICS and PARTS 5.5 Chassis and Cover Assembly Replacement Parts Circuit Description Sorensen Designation Part number Cooling fan (radial) 115Vac 50/60Hz 22CFM 1.6" high x 4.75" square For mounting cooling fan Vinyl bumper (adhesive backed)

  • Page 73: Appendix A Application Note Battery Charging

    SORENSEN DCS SERIES SUPPLIES APPLICATION NOTE APPENDIX A Application Note Battery Charging When using the DCS (lkW) Series power supply to charge a battery, take the following precautions to prevent damage to the supply and/or the battery in case the ovenroltage protection (OVP) circuit is activated.
  • Page 75 RE\'lsioNS ZONEIRE V DATE I APPR�O � 01/29/92 NOTES: UNLESS OTHERWISE SPECIFIED. E l REVISED PER ECN 92A311:i 1. All RESISTORS 1/4W S" EXCEPT AS NOTEO � DENOTES MODEL 0EP£NDENT PART AMMETER DISPLAY VOLTMETER DISPLAY POINT VALUE RESISTORS +sv---.-----..-----...----- -, ore.
  • Page 76 V REVISED PER ECN N960565 """'"' ' " W REVISED PER ECN N960891 UNLESS OTHERWISE SPECIFIED. DESCIIPTION REVISED PER ECN 94A24, Y REVISED PER ECN N970153 ZONEIREVI NOTES: 1. AU. UNMARKED DIDOES 1N4148 (EXCEPT FIG.1 AND FIG.2) 6. COMPONENTS ENa.OSED IN DASHED LINES LOCATED ON A1 PCB - MI REVISE PER ECN N950416 M REVISED PER ECN N980312 STAPP...
  • Page 77 TROUBLESHOOTING GUIDE� CAUTION READ SECTION 4,3 BEFORE PROCEEDING AHO PERFOA/1 THE PRELll'IINRRY CHECKS IN SECTI ON 4,3, I SLIHCH Sl.11 CONNECTOII J3 SETUP TURN THE POIIEfll SUITCH OFF . DISCONNECT THE UNIT FRDl'I Tl£ AC SOURCE OlSCO!ff'.CT THE LOAD FAOl'I TIE OUTPUT TEAl'IINPILS DISCOl+IECT ANV PAOBAA1111IN8 0fll l'IONITOR LlHEI CONFIGURE SI.IITCH SLH AHO COHHECTOA J3 FOfll LOCAL CONTPIOL ..

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