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83503001 Rev G
5.11.2.SAFE-START MODE..............................................................................................................................59
5.12.OVER TEMPERATURE PROTECTION (OTP).........................................................................................59
5.12.1 SAFE-START MODE...................................................................................................................59
5.12.2 AUTO-RESTART MODE .............................................................................................................59
5.13.LAST SETTING MEMORY...............................................................................................................................59
5.14.SERIES OPERATION......................................................................................................................................60
5.14.1.SERIES CONNECTION FOR INCREASED OUTPUT VOLTAGE.........................................................60
5.14.2.SERIES CONNECTION FOR POSITIVE AND NEGATIVE OUTPUT VOLTAGE .................................61
5.15.PARALLEL OPERATION.................................................................................................................................62
5.15.1.BASIC PARALLEL OPERATION............................................................................................................62
5.15.1.1.SETTING UP THE MASTER UNIT...........................................................................................62
5.15.1.2.SETTING UP THE SLAVE UNITS............................................................................................62
5.15.1.3.DAISY CHAIN CONNECTION: (SEE FIG. 5-6)........................................................................63
5.15.1.4.SETTING OVER VOLTAGE PROTECTION.............................................................................63
5.15.1.5.SETTING FOLDBACK PROTECTION .....................................................................................63
5.15.1.6.CONNECTION TO THE LOAD.................................................................................................63
5.15.2.ADVANCED PARALLEL OPERATION ..................................................................................................63
5.15.2.1.ADVANCED PARALLEL CONFIGURATION............................................................................64
5.15.2.2.CONNECTION TO THE LOAD.................................................................................................64
5.15.2.3.SETTING THE UNITS AS MASTER OR SLAVE......................................................................64
5.15.2.4.MASTER AND SLAVE UNITS DEFAULT OPERATION ..........................................................64
5.15.2.5.CURRENT DISPLAY ACCURACY...........................................................................................65
5.15.2.6.TO RELEASE UNITS FROM SLAVE MODE............................................................................65
5.16.DAISY-CHAIN CONNECTION.........................................................................................................................66
5.17.FRONT PANEL LOCKING...............................................................................................................................67
5.17.1.UNLOCKED FRONT PANEL..................................................................................................................67
5.17.2.LOCKED FRONT PANEL.......................................................................................................................67
6.REMOTE ANALOG PROGRAMMING .................................................................................................................68
6.1.INTRODUCTION................................................................................................................................................68
6.2.LOCAL/REMOTE ANALOG CONTROL.............................................................................................................68
6.3.LOCAL/REMOTE ANALOG INDICATION .........................................................................................................68
6.4.REMOTE VOLTAGE PROGRAMMING OF OUTPUT VOLTAGE AND CURRENT..........................................69
6.5.RESISTIVE PROGRAMMING OF OUTPUT VOLTAGE AND CURRENT LIMIT..............................................70
6.6.REMOTE MONITORING OF OUTPUT VOLTAGE AND CURRENT ................................................................71
7.RS232 & RS485 REMOTE CONTROL.................................................................................................................72
7.1.INTRODUCTION................................................................................................................................................72
7.2.CONFIGURATION .............................................................................................................................................72
7.2.1.DEFAULT SETTING.................................................................................................................................72
7.2.2. ADDRESS SETTING ..............................................................................................................................72
7.2.3. RS232 OR RS485 SELECTION .............................................................................................................72
7.2.4. BAUD RATE SETTING...........................................................................................................................72
7.2.5. SETTING THE UNIT INTO REMOTE OR LOCAL MODE......................................................................72
7.2.6. RS232/RS485 PORT IN LOCAL MODE.................................................................................................73
7.2.7. FRONT PANEL IN REMOTE MODE......................................................................................................73
7.3.REAR PANEL RS232/RS485 CONNECTOR ....................................................................................................73
7.4.CONNECTING POWER SUPPLIES TO RS232 OR RS485 BUS.....................................................................74
7.4.1.SINGLE POWER SUPPLY.......................................................................................................................74
7.4.2. MULTI POWER SUPPLY CONNECTION TO RS232 OR RS485 BUS .................................................75
7.5.COMMUNICATION INTERFACE PROTOCOL..................................................................................................75
7.5.1.DATA FORMAT ........................................................................................................................................75
7.5.2. ADDRESSING.........................................................................................................................................75
7.5.3. END OF MESSAGE................................................................................................................................75
7.5.4. COMMAND REPEAT..............................................................................................................................76
7.5.5. CHECKSUM............................................................................................................................................76
7.5.6. ACKNOWLEDGE....................................................................................................................................76
7.5.7. ERROR MESSAGE.................................................................................................................................76
7.5.8. BACKSPACE ..........................................................................................................................................76
7.6.ERROR MESSAGES .........................................................................................................................................76
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