Operator Manual User Manual

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