KEPCO BHK-MG 200W (Full Rack) Series - Manual (Page 8)

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BHK 500-0.4MG SVC 022014
TABLE OF CONTENTS
SECTION PAGE
3.2.2 Turning the Power Supply On........................................................................................................... 3-4
3.2.3 Error Conditions ................................................................................................................................ 3-5
3.2.4 Setting Local Mode ........................................................................................................................... 3-5
3.2.5 Adjusting LCD Contrast .................................................................................................................... 3-6
3.2.6 Enabling/Disabling Audible Beeps .................................................................................................... 3-6
3.2.7 Enabling/Disabling DC Output Power ............................................................................................... 3-6
3.2.7.1 Disabling DC Output when using Digital Inputs only (keypad and/or GPIB) ............................... 3-6
3.2.7.2 Disabling DC Output when using Analog control. ....................................................................... 3-6
3.2.7.3 Remote Shutdown using External Trigger Port........................................................................... 3-7
3.2.7.4 Power Up DC Output Control...................................................................................................... 3-7
3.2.8 Reset Operation................................................................................................................................ 3-7
3.2.8.1 Setting Power-Up & Reset Current ............................................................................................. 3-7
3.2.9 Setting Output Voltage or Current..................................................................................................... 3-8
3.2.10 Changing Current Scale.................................................................................................................... 3-8
3.2.11 Setting Overvoltage or Overcurrent Protection ................................................................................. 3-9
3.2.12 Changing Maximum Voltage or Current Value ................................................................................. 3-10
3.2.13 Storing Power Supply Output Settings.............................................................................................. 3-10
3.2.14 Recalling Stored Output Settings...................................................................................................... 3-11
3.2.15 Firmware Version.............................................................................................................................. 3-11
3.2.16 Local Mode Programming of the Power Supply................................................................................ 3-11
3.2.16.1 Creating or Modifying a Program (Program Edit Mode).............................................................. 3-11
3.2.16.1.1 Modifying Programmed Time Interval..................................................................................... 3-12
3.2.16.1.2 Time Interval Accuracy........................................................................................................... 3-12
3.2.16.2 Running a Program ..................................................................................................................... 3-12
3.2.16.3 Stepping Through a Program...................................................................................................... 3-12
3.2.16.4 Cycling a Program....................................................................................................................... 3-14
3.2.16.5 Running a Program Once ........................................................................................................... 3-14
3.2.16.6 Stopping a Running Program...................................................................................................... 3-14
3.2.16.7 Sample Program ......................................................................................................................... 3-14
3.2.17 Calibration......................................................................................................................................... 3-15
3.3 Remote Mode Programming Using SCPI commands via IEEE 488 (GPIB). Bus .................................. 3-15
3.3.1 IEEE 488 (GPIB) Bus Protocol ......................................................................................................... 3-15
3.3.2 DCL Control ...................................................................................................................................... 3-17
3.3.3 Changing the GPIB Address............................................................................................................. 3-17
3.3.4 External Trigger ................................................................................................................................ 3-17
3.3.5 BHK-MG VISA Instrument driver ...................................................................................................... 3-18
3.3.6 Programming Techniques to Optimize performance ........................................................................ 3-18
3.3.6.1 Programming Voltage/Current Limit and Current/Voltage Limit .................................................. 3-18
3.3.6.2 Making Sure the Previous Command is Complete ..................................................................... 3-19
3.4 RS232-C Operation ................................................................................................................................ 3-20
3.4.1 Setting RS 232 Baud Rate................................................................................................................ 3-21
3.4.2 Serial Interface.................................................................................................................................. 3-21
3.4.3 RS 232 Implementation .................................................................................................................... 3-21
3.4.3.1 Echo Mode .................................................................................................................................. 3-22
3.4.3.2 Prompt Method............................................................................................................................ 3-22
3.4.3.3 XON XOFF Method..................................................................................................................... 3-22
3.4.4 Isolating RS 232 Communication Problems ..................................................................................... 3-23
3.5 SCPI Programming................................................................................................................................. 3-23
3.5.1 SCPI Messages ................................................................................................................................ 3-23
3.5.2 Common Commands/Queries .......................................................................................................... 3-24
3.5.3 SCPI Subsystem Command/Query Structure................................................................................... 3-24
3.5.3.1 ABORt Subsystem ...................................................................................................................... 3-24
3.5.3.2 INITiate Subsystem..................................................................................................................... 3-24
3.5.3.3 LIST Subsystem.......................................................................................................................... 3-24
3.5.3.4 MEASure Subsystem .................................................................................................................. 3-24
3.5.3.5 OUTPut Subsystem .................................................................................................................... 3-24
3.5.3.6 Instrument Subsystem ................................................................................................................ 3-24