Siemens 3PCI Series, Operation Manual

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3PCI SCR Power Controller Series Manual Table of Contents
Version 1.2 (19000325)
s
iii
LIST OF FIGURES
CHAPTER 1: INTRODUCTION
Figure 1-1. Typical 3PCI Power Controller ............................................................................................ 1-1
Figure 1-2. Front, Cutaway and Side Views of a Typical 25A to 225A 3PCI Controller........................ 1-2
CHAPTER 2: INSTALLATION
Figure 2-1. Typical 3PCI Line and Load Connections........................................................................... 2-2
Figure 2-2. Input and Output Connections Overview for the 3PCI ........................................................2-3
CHAPTER 3: OPERATION
Figure 3-1. Automatic Controller Input Connections ............................................................................. 3-2
Figure 3-2. Remote Control with a Potentiometer ................................................................................. 3-2
Figure 3-3. Auto/Manual Control with Controller and Remote Potentiometer ....................................... 3-3
Figure 3-4. On/Off Control with Output Enabled by Contact Closure.................................................... 3-3
Figure 3-5. On/Off Control with Output Disabled by Contact Closure................................................... 3-4
Figure 3-6. Controlling Several 3PCIs Connected in Parallel................................................................ 3-4
LIST OF TABLES
CHAPTER 1: INTRODUCTION
Table 1-1. General Technical Specifications........................................................................................ 1-4
Table 1-2. 3PCI Model Number Code Descriptions ............................................................................. 1-5
CHAPTER 2: INSTALLATION
Table 2-1. Wire Size Information .......................................................................................................... 2-2
Table 2-2. Terminal Block Specifications ............................................................................................. 2-3
CHAPTER 3: OPERATION
Table 3-1. Matching SCR Power Control to an External Controller Signal .......................................... 3-1
CHAPTER 5: TROUBLESHOOTING
Table 5-1. 3PCI Troubleshooting Symptoms and Solutions ................................................................ 5-5
Table 5-2. Fuse Specifications ............................................................................................................. 5-6
Table 5-3. Torque Specifications Based on Conductor Sizes.............................................................. 5-7
Table 5-4. Torque Specifications Based on Socket Sizes (For All Conductor Sizes).......................... 5-7
CHAPTER 6: SERVICE
Table 6-1. Spare Parts ......................................................................................................................... 6-1
Table 6-2. Drawing List......................................................................................................................... 6-3
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