NetScan User’s Manual, 11-11-98 C-1

Appendix C

Configuration Aspects for Programmers
Reference Note: If you are not familiar with programming you will probably gain more understanding of
the program-related portions of this appendix by first reviewing Appendix A, API Commands.
Reference Note: Hardware configuration is discussed in Chapter 7.
Contents
Memory Allocation------------------------------------------------------------------------------------------------------- C-2
Measuring Modes--------------------------------------------------------------------------------------------------------- C-3
Overview----------------------------------------------------------------------------------------------------------------------------C-3
Normal Mode ----------------------------------------------------------------------------------------------------------------------C-4
High-Speed, Single-Channel Mode---------------------------------------------------------------------------------------------C-5
Configuration Requirements ------------------------------------------------------------------------------------------- C-6
Channel Configuration -------------------------------------------------------------------------------------------------- C-7
CSN14/TC/P Configuring Thermocouple Channels----------------------------------------------------------------------C-8
CSN14/LV/ (T, B, or S) Configuring Low Volts Channels -------------------------------------------------------------C-8
CSN14/HV/S Configuring High Volts Channels -------------------------------------------------------------------------C-9
Scan Configuration------------------------------------------------------------------------------------------------------- C-9
Configuring a Scan----------------------------------------------------------------------------------------------------------------C-9
Configuring the Scan Interval ---------------------------------------------------------------------------------------------------C-9
Acquisition Configuration----------------------------------------------------------------------------------------------C-10
Introduction -------------------------------------------------------------------------------------------------------------- C-10
Pre-Trigger State -------------------------------------------------------------------------------------------------------------- C-11
Continuous, Gap-Free Acquisition with Two Timebases------------------------------------------------------------------C-11
Post-Trigger State ---------------------------------------------------------------------------------------------------------------C-13
Post-Stop State ------------------------------------------------------------------------------------------------------------------ C-13
Trigger and Stop Events------------------------------------------------------------------------------------------------C-13
Time Stamping (*T) ----------------------------------------------------------------------------------------------------C-15
Alarm Stamping (A#) ---------------------------------------------------------------------------------------------------C-15
Digital Input Stamping (I#)-------------------------------------------------------------------------------------------- C-16
Acquisition Buffer, A Description------------------------------------------------------------------------------------ C-18
Trigger Block Organization -------------------------------------------------------------------------------------------C-18
Multiple Trigger Blocks ------------------------------------------------------------------------------------------------ C-20
Acquisition Buffer Interrogation -------------------------------------------------------------------------------------C-21
Reading the Acquisition Buffer--------------------------------------------------------------------------------------- C-24
Configuring Alarms----------------------------------------------------------------------------------------------------- C-26
Alarm Setpoints------------------------------------------------------------------------------------------------------------------ C-26
Digital alarm Outputs-----------------------------------------------------------------------------------------------------------C-26
Setpoint Hysteresis-------------------------------------------------------------------------------------------------------------- C-26
Digital I/O Operation ---------------------------------------------------------------------------------------------------C-28