Sorensen DCS Series 3kW Supplies Contents
4.3
Remote Programming: Output Voltage and Current Limit.................................4-6
4.3.1
Programming Output Voltage and Current Limit
with the REM/LOC Switch.....................................................................4-8
4.3.2
Programming Output Voltage ..............................................................4-9
4.3.3
Programming Output Current Limit.................................................... 4-11
4.4
Using Over Voltage Protection (OVP) ...........................................................4-13
4.4.1
Front Panel OVP Operation...............................................................4-13
4.4.2
Resetting the OVP Circuit.................................................................. 4-13
4.4.3
Programming OVP with an External Voltage Source......................... 4-14
4.5
Using the Shutdown Function........................................................................ 4-15
4.5.1
STANDBY Switch ..............................................................................4-15
4.5.2
Programming the Shutdown Function................................................ 4-15
4.5.3
Shutdown Application - Contact Closure ........................................... 4-18
4.6
Remote Monitoring of Readback Signals and Status Indicators...................4-20
4.6.1
Readback Signals.............................................................................. 4-20
4.6.2
Status Indicators ................................................................................ 4-20
4.7
Using Multiple Supplies ................................................................................. 4-21
4.7.1
Configuring Multiple Supplies for Series Operation ........................... 4-21
4.7.2
Configuring Multiple Supplies for Parallel Operation ......................... 4-22
4.7.3
Configuring Multiple Supplies for Split Supply Operation ..................4-23
4.8
Output Voltage Biasing.................................................................................. 4-24
SECTION 5 THEORY OF OPERATION ................................................5-1
5.1
Introduction...................................................................................................... 5-1
5.2
Basic Functional Blocks................................................................................... 5-1
5.2.1
AC Input and RFI Filter (A5 PCB)........................................................5-2
5.2.2
AC Input Rectifier and Inrush Limiting Circuit (A6 PCB)......................5-2
5.2.3
PWM, Sync and Power Transformer Drive Circuit (A3 PCB)............... 5-2
5.2.4
Power Transformer, Output Rectifiers, Output Filter Inductor
and Capacitors, and Local Sense Connections (Power Stage,
A7 PCB and A8 PCB) .......................................................................... 5-2
Operation Manual
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