Fluke 8808A - Chapter 4: Operating the Meter Using the Computer Interface

4-1
Chapter 4
Operating the Meter Using the Computer
Interface
Title Page
Introduction........................................................................................................ 4-3
Local and Remote Operations ....................................................................... 4-3
Computer Interfaces ...................................................................................... 4-3
Preparing the Meter for Operations via the RS-232 Interface ........................... 4-3
Setting Communication Parameters (RS-232) .............................................. 4-3
RS-232 Print-Only Mode .............................................................................. 4-4
Cabling the Meter to a Host or Printer (RS-232)........................................... 4-5
Character Echoing and Deletion.................................................................... 4-6
Device Clear Using ^C (CNTRL C).............................................................. 4-6
RS-232 Prompts............................................................................................. 4-6
Getting Started with an Installation Test ........................................................... 4-6
Installation Test for RS-232 Operation ......................................................... 4-6
If Test Fails.................................................................................................... 4-7
How the Meter Processes Input ......................................................................... 4-7
Input Strings .................................................................................................. 4-7
Input Terminators .......................................................................................... 4-7
Sending Numeric Values to the Meter .......................................................... 4-8
Sending Command Strings to the Meter........................................................ 4-8
How the Meter Processes Output....................................................................... 4-8
Triggering Output .............................................................................................. 4-9
External Triggering from the Front Panel ..................................................... 4-9
Setting the Trigger Type Configuration ........................................................ 4-10
External Trigger via the Computer Interface................................................. 4-10
Status Registers.................................................................................................. 4-10
Event Status and Event Status Enable Registers ........................................... 4-12
Status Byte Register ...................................................................................... 4-14
Reading the Status Byte Register .................................................................. 4-15
Computer Interface Command Set..................................................................... 4-15
Common Commands ..................................................................................... 4-16
Function Commands and Queries.................................................................. 4-17
Function Modifier Commands and Queries .................................................. 4-19
Range and Measurement Rate Commands and Queries................................ 4-21
Measurement Queries.................................................................................... 4-23
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