Omega Engineering OMB-NETSCAN 1500 User Manual page 197

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
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
NetScan User's Manual,
11-11-98
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C-1