Opweb.de

1. INTRODUCTION AND DESCRIPTION 1.1 Introduction ... 1-1 1.2 Description ... 1-1 1.3 Optional Modifications ... 1-3 1.4 Accessory OVP ... 1-3 2. PREPARATION FOR USE 2.1 General ... 2-1 2.2 Initial Inspection ... 2-2 2.5 Electrical Check ... 2-2 3. OPERATING INSTRUCTIONS 3.1 General ... 3-1 3.2 Voltage-Mode Operation ... 3-1 3.3 Current-Mode Operation ... 3-5 3.4 Parallel Operation ... 3-7 3.5 Series Operation ... . ..3-9 3.6 Unit-Shutdown Circuit ... 3-14 4.1 Introduction ... 5-1 5.2 Periodic Servicing ... 5-1 5.3 Troubleshooting ... 5-1 5.4 Calibration ... 5-1 5.5 Performance Testing ... 6-1 6.2 Parts List Column Headings Defined ... 6-1 OVERVOLTAGE (OVP) ACCESSORY (MS OPTION) 7.1 . ..7-1 7.2 Installation ... 7-1 7.3 OVP Adjustment ... 7-2 This manual contain; operation and maintenance data on the 500-watt units of the DCR-B series Sorensen Power Supplies. It is intended to familiarize the user with the functioning of the unit, to introduce the varied applications to which the unit may be adapted, and to furnish sufficient maintenance data to assure long operating life. Seven major sections form the manual divisions. Section 1 contains a brief functional description of the DCR-B series power supplies. Initial inspection and checkout procedures are outlined in section 2. Operating instructions, including methods for adapting units to various applications, comprise section 3. Sections 4 and 5 provide the principles of operation and maintenance procedures respectively. System drawings and the replacement parts list are provided in section 6. Concluding the manual, section 7 describes the DCR-B OVP (overvoltage protector) accessory M5.