User manual

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..................................................................................................4-11
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