ii
MBT 55-7 111609
TABLE OF CONTENTS (Continued)
SECTION
PAGE
3.2.1.6.6
Voltage Control — M, MG Models.......................................................................................... 3-17
3.2.1.6.7
Voltage Control — MR, MGR Models..................................................................................... 3-18
3.2.1.7
Setting Output Current or Current Limit ...................................................................................... 3-19
3.2.1.7.1
Using Iadj and Numeric Keys — M, MG Models .................................................................... 3-19
3.2.1.7.2
Using Iadj and Numeric Keys — MR, MGR Models............................................................... 3-20
3.2.1.7.3
Procedure Using Iadj and Numeric Keypad ........................................................................... 3-22
3.2.1.7.4
Slew ( and
) Keys — M, MG Models .............................................................................. 3-22
3.2.1.7.5
Slew ( and
) Keys — MR, MGR Models ......................................................................... 3-23
3.2.1.7.6
Current Control — M, MG Models.......................................................................................... 3-24
3.2.1.7.7
Current Control — MR, MGR Models..................................................................................... 3-25
3.2.1.8
Setting Voltage Mode or Current Mode....................................................................................... 3-27
3.2.1.8.1
M, MG Models ........................................................................................................................ 3-27
3.2.1.8.2
MR, MGR Models................................................................................................................... 3-27
3.2.1.9
Reversing DC Output Polarity — MR, MGR Models................................................................... 3-30
3.2.1.10
Changing the GPIB Address ....................................................................................................... 3-31
3.2.1.11
Local Mode Programming of the Power Supply.......................................................................... 3-32
3.2.1.11.1
Entering Program Mode ......................................................................................................... 3-34
3.2.1.11.2
Creating a New Program........................................................................................................ 3-34
3.2.1.11.3
Running a Program ................................................................................................................ 3-37
3.2.1.11.4
Modifying a Program .............................................................................................................. 3-38
3.2.1.11.5
Cycling a Program.................................................................................................................. 3-39
3.2.1.11.6
Stopping a Program ............................................................................................................... 3-39
3.2.1.11.7
Exiting Program Mode............................................................................................................ 3-40
3.2.1.11.8
Sample Program Operation - Models M, MG ......................................................................... 3-40
3.2.2
Using the Menu System.................................................................................................................... 3-43
3.2.2.1
Speaker On/Off ........................................................................................................................... 3-43
3.2.2.2
Controls Lock-out ........................................................................................................................ 3-43
3.2.2.3
Remote Channel ......................................................................................................................... 3-44
3.2.2.3.1
General Notes for Remote Configurations Using IEEE 1118 Bus.......................................... 3-44
3.2.2.3.2
Remote Operation Using Keypad to Control Another MBT Power Supply............................. 3-45
3.2.2.4
Calibration ................................................................................................................................... 3-47
3.2.2.5
OVP, OCP Set-up ....................................................................................................................... 3-47
3.2.2.6
Slew Key Increments Set-up....................................................................................................... 3-48
3.2.2.7
Remote Display Blanking ............................................................................................................ 3-49
3.2.2.8
GPIB Addressing Mode............................................................................................................... 3-49
3.2.2.9
Compatiblity Mode ...................................................................................................................... 3-49
3.2.2.10
Command Language................................................................................................................... 3-50
3.3
Remote Mode Programming................................................................................................................... 3-50
3.3.1
General ............................................................................................................................................. 3-51
3.3.2
IEEE 488 (GPIB) Bus Protocol ......................................................................................................... 3-51
3.3.2.1
String Parsing.............................................................................................................................. 3-52
3.3.3
RS232-C Bus Protocol...................................................................................................................... 3-53
3.3.3.1
RS 232 Implementation............................................................................................................... 3-53
3.3.3.2
Echo Mode .................................................................................................................................. 3-54
3.3.3.3
Prompt Method............................................................................................................................ 3-54
3.3.3.4
XON XOFF Method..................................................................................................................... 3-55
3.3.3.5
Special Commands ..................................................................................................................... 3-55
3.3.4
Programming Techniques to Optimize Power Supply performance ................................................. 3-55
3.3.5
SCPI Programming ........................................................................................................................... 3-56
3.3.5.1
SCPI Messages .......................................................................................................................... 3-56
3.3.5.2
Common Commands/Queries..................................................................................................... 3-56
3.3.5.3
SCPI Subsystem Command/Query Structure ............................................................................. 3-56
3.3.5.4
Program Message Structure ....................................................................................................... 3-58
3.3.5.4.1
Keyword ................................................................................................................................. 3-59
3.3.5.4.2
Keyword Separator................................................................................................................. 3-60
