beautypg.com
BIT 4886120413
i
TABLE OF CONTENTS
SECTION
PAGE
SECTION 1 - INTRODUCTION
1.1
Scope of Manual ..................................................................................................................................... 1-1
1.2
General Description................................................................................................................................. 1-1
1.2.1
Measurements................................................................................................................................... 1-1
1.2.2
Enhanced Operation.......................................................................................................................... 1-2
1.3
Specifications .......................................................................................................................................... 1-2
1.3.1
BIT 4882 Compatibility....................................................................................................................... 1-4
SECTION 2 - INSTALLATION
2.1
Unpacking and Inspection ....................................................................................................................... 2-1
2.2
Set Start-up Defaults ............................................................................................................................... 2-1
2.2.1
Set (GPIB) Device Address ............................................................................................................... 2-2
2.2.2
Power Supply Identification ............................................................................................................... 2-2
2.3
Installation of Interface Card into the BOP .............................................................................................. 2-4
2.4
Input/Output Signals................................................................................................................................ 2-6
2.5
Initial Check-out Procedure ..................................................................................................................... 2-8
SECTION 3 - CALIBRATION
3.1
Equipment Required................................................................................................................................ 3-1
3.2
BOP Power Supply Adjustments............................................................................................................. 3-1
3.2.1
Adjustment of the Bop ±10 Volt Calibration Controls (R31, R32) ...................................................... 3-1
3.2.2
Adjustment of the Ammeter Zero (R50)............................................................................................. 3-1
3.3
Calibration of BIT 4886 Interface Card.................................................................................................... 3-3
3.3.1
Manual calibration.............................................................................................................................. 3-6
3.3.2
Calibration of BIT 4886 Interface Card using the VISA Driver Soft Panel ......................................... 3-9
3.3.2.1
Calibration Basics ........................................................................................................................ 3-10
3.3.2.2
Calibration Procedure .................................................................................................................. 3-11
SECTION 4 - OPERATION
4.1
General.................................................................................................................................................... 4-1
4.1.1
Programming Techniques to Optimize Power Supply performance .................................................. 4-1
4.1.1.1
Setting BOP Voltage and Current Limits...................................................................................... 4-1
4.1.1.2
Automatic Range Operation......................................................................................................... 4-2
4.1.1.3
Using the BIT 4886 to Produce a Software-timed Ramp at the BOP Output............................... 4-2
4.1.2
Making Sure the Previous Command is Complete ............................................................................ 4-2
4.2
Initialization of the BIT 4886 Card ........................................................................................................... 4-4
4.2.1
Initialization using CVI Driver - GPIB Port Only ................................................................................. 4-4
4.2.2
Initialization using SCPI Commands and GPIB Port ......................................................................... 4-6
4.2.3
Initialization using SCPI Commands and RS 232 Port ...................................................................... 4-7
4.2.4
Password Setup................................................................................................................................. 4-7
4.2.4.1
Forgotten Passwords ................................................................................................................... 4-7
4.3
Built in Test.............................................................................................................................................. 4-8
4.3.1
Power-up Test ................................................................................................................................... 4-8
4.3.2
Confidence Test................................................................................................................................. 4-8
4.3.3
BOP test ............................................................................................................................................ 4-9
4.4
IEEE 488 (GPIB) Bus Protocol................................................................................................................ 4-9
4.5
RS232-C Operation................................................................................................................................. 4-10
4.5.1
Serial INterface.................................................................................................................................. 4-11
4.5.2
RS 232 Implementation ..................................................................................................................... 4-11
4.5.2.1
Echo Mode................................................................................................................................... 4-13
4.5.2.2
XON XOFF Method...................................................................................................................... 4-13
4.5.2.3
Isolating RS 232 Communication Problems ................................................................................ 4-13
4.5.3
Using SCPI commands for RS 232 Communication. ........................................................................ 4-14
4.6
SCPI Programming ................................................................................................................................. 4-14
4.6.1
SCPI Messages ................................................................................................................................. 4-14
4.6.2
Common Commands/Queries ........................................................................................................... 4-14
