Ametek Sorensen DCS8-350E

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Basic Operation Sorensen DCS-E Series 3kW Supplies

3-6 M362295-01 Rev D

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Table of Contents13
Introducing the Dcs-Eseries 3Kw Supply19
Description19
Features19
Specifications20
Electrical Specifications20
Mechanical Specifications21
Figure 1-1 DCS-E Series (3Kw) Supply Front Panel Controls and Indicators22
Figure 1-2 DCS-E Series (3Kw) Supply Rear Panel Connectors and Terminals (Including Optional Internal GPIB Interface)23
Installation25
Introduction25
Safety25
High Energy/High Voltage Warning25
AC Source Grounding26
Operating and Servicing Precautions26
Parts and Modifications26
Initial Inspection27
Physical Check27
Location, Mounting, and Ventilation27
Unit Dimensions27
Rack Mounting28
AC Input Power28
AC Input Power Connection28
AC Input Power Requirements28
AC Input Connector Assembly29
Figure 2-1 AC Connector and Contacts29
Figure 2-2 Wire Preparation29
Strain Relief Assembly30
Figure 2-3 Contact Orientation30
Figure 2-4 AC Wire Locations30
Figure 2-5 Strain Relief, as Supplied31
Figure 2-6 Strain Relief Assembly31
Initial Functional Tests32
Power-On Check32
Voltage Mode Operation Check32
Current Mode Operation Check33
Front Panel Function Checks33
Load Connection34
Load Wiring34
Making the Connections35
Figure 2-8 Maximum Load Wire Length35
Connecting Single Loads36
Connecting Multiple Loads36
Figure 2-9 Single Load with Local Sensing (Default)36
Figure 2-10 Single Load with Remote Sensing36
Figure 2-11 Multiple Loads with Local Sensing37
Figure 2-12 Multiple Loads with Remote Sensing37
Basic Operation39
Introduction39
Standard Operation39
Operating Modes and Automatic Crossover39
Figure 3-1 Operating Modes40
Local Programming Mode Operation41
Figure 3-2 Local Mode Default Configuration41
Using Remote Sensing42
Connecting Remote Sense Lines42
Figure 3-3 Connecting Remote Sense Lines43
Advanced Operation45
Introduction45
Configuring for Remote Programming, Sensing, and Monitoring46
Programming, Monitoring, and Control Functions46
Figure 4-1 Connector J3 Pin Descriptions (for Remote Programming, Remote Monitoring, and Sense Connections)47
Locating Jumpers, Switch, and Connector48
Figure 4-2 Internal Jumpers and Switch (Default Settings Shown)48
Resetting Jumpers and Switch49
Making J3 Connections50
Remote Programming: Output Voltage and Current Limit51
Programming Output Voltage and Current Limit with the REM/LOC Switch52
Figure 4-3 Programming Output Voltage and Current Limit Using the REM/LOC Switch52
Programming Output Voltage53
Figure 4-4 Programming Output Voltage with a 0-5 VDC Source53
Programming Output Current Limit56
Using over Voltage Protection (OVP)58
Front Panel OVP Operation58
Resetting the OVP Circuit58
Programming OVP with an External Voltage Source59
Using the Shutdown Function60
STANDBY Switch60
Programming the Shutdown Function60
Shutdown Application - Contact Closure63
Remote Monitoring of Readback Signals and Status Indicators65
Readback Signals65
Status Indicators65
Using Multiple Supplies66
Configuring Multiple Supplies for Series Operation66
Configuring Multiple Supplies for Parallel Operation67
Configuring Multiple Supplies for Split Supply Operation68
Output Voltage Biasing69
Theory of Operation71
Introduction71
Basic Functional Blocks71
AC Input and RFI Filter (A5 PCB)72
AC Input Rectifier and Inrush Limiting Circuit (A6 PCB)72
PWM, Sync and Power Transformer Drive Circuit (A3 PCB)72
Power Transformer, Output Rectifiers, Output Filter Inductor and Capacitors, and Local Sense Connections (Power Stage, A7 PCB and A8 PCB)72
Output Current Shunt, Shunt Amplifier, and down Programmer (A4 PCB)72
Control, Programming, OVP, Shutdown, Monitoring, and Auxiliary Supply Circuits (A2 PCB)73
Front Panel Displays and Local Operating Mode Controls (A1 PCB)74
Detailed Circuit Descriptions74
AC Input and RFI Filter Circuit (A5 PCB)75
Input Rectifier and Inrush Limiting Circuit (A6 PCB)75
PWM, Sync Circuit, Power Transformer Drive Circuit, and Power Transistor Bridge (A3 PCB)75
Power Transformer, Output Rectifiers, Output Filter Inductor and Capacitor, and down Programmer Circuit (A4 PCB, A7 PCB, A8 PCB, and Power Stage Assembly)76
Auxiliary Supply, OVP, Control, Programming, Monitor Circuit (A2 PCB)577
Front Panel Displays and Controls (A1 PCB)84
Maintenance87
Introduction87
Units under Warranty87
General Service and Repair87
Periodic Maintenance87
Servicing Precautions88
Parts Replacement and Repairs88
Unusual or Erratic Operation88
Calibrating for Programming Accuracy88
Voltage Programming Circuit Calibration89
Current Programming Circuit Calibration89
Replaceable Parts90
Parts Replacement and Modifications90
Ordering Parts90
DCS-E 3Kw Parts Lists by Model Number91
Application Notes93
Battery Charging93
Load Considerations93
Inductive Loads93

Ametek Sorensen DCS8-350E - Page 44

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