Omega Engineering OMB-CHARTSCAN 1400, Руководство пользователя

Страница: 218 / 273

ChartScan User’s Manual,
1-14-99
C-1
Appendix C
Registers, Data Formats, & Queries
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 and
Appendix D, ChartScan Program Examples .
Contents
Using the High/Low/Last (HLL) Registers--------------------------------------------------------------------------- C-2
What is Contained in the HLL Registers--------------------------------------------------------------------------------------- C-2
Accessing the HLL Registers---------------------------------------------------------------------------------------------------- C-2
Data Format (F) ----------------------------------------------------------------------------------------------------------- C-5
Data Input Formats---------------------------------------------------------------------------------------------------------------- C-5
Data Output Formats-------------------------------------------------------------------------------------------------------------- C-6
Engineering Units Data Format ------------------------------------------------------------------------------------------------- C-6
Binary Data Format --------------------------------------------------------------------------------------------------------------- C-8
Counts Data Format--------------------------------------------------------------------------------------------------------------- C-8
Configuring Power-Up State-------------------------------------------------------------------------------------------- C-9
Queries ---------------------------------------------------------------------------------------------------------------------C-10
Query (?) Commands ----------------------------------------------------------------------------------------------------------- C-10
U Status Commands ------------------------------------------------------------------------------------------------------------ C-11
Status, Event Reporting, and Mask Registers ----------------------------------------------------------------------C-11
Theory of Operation ------------------------------------------------------------------------------------------------------------ C-12
Calibration Status Register----------------------------------------------------------------------------------------------------- C-14
Error Source Register----------------------------------------------------------------------------------------------------------- C-14
Event Status Register ----------------------------------------------------------------------------------------------------------- C-14
Event Status Enable Register -------------------------------------------------------------------------------------------------- C-14
Status Byte Register ------------------------------------------------------------------------------------------------------------ C-15
Service Request Enable Register---------------------------------------------------------------------------------------------- C-16
IEEE 488 Serial Poll Response ----------------------------------------------------------------------------------------C-16
Using Status Reporting Registers -------------------------------------------------------------------------------------C-17
Trigger Latency ----------------------------------------------------------------------------------------------------------C-18
Trigger Overrun ---------------------------------------------------------------------------------------------------------C-18
Buffer Overrun -----------------------------------------------------------------------------------------------------------C-18
Buffer Overrun With One Trigger Block ------------------------------------------------------------------------------------ C-19
Buffer Overrun With Multiple Trigger Blocks------------------------------------------------------------------------------ C-19
Real Time Clock----------------------------------------------------------------------------------------------------------C-19
Open Thermocouple/Range Error Checking -----------------------------------------------------------------------C-19