Campbell Scientific CR6 CR6 Measurement and Control System - Page 120
Settings, Durable Settings
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Section 7. Installation 7.7.3 Settings The Status table, the DataTableInfo table, and settings (collectively, "registers") contain settings and information essential to setup and programming of advanced systems, and useful in troubleshooting and debugging. Registers are numerous and can have multiple handles depending on the interface used to access them. Naming is usually similar among handles. Each has only one key name that can be accessed with CRBasic code. No one interface appears to access them all. A future edition of this manual will present tables to assist in locating a particular register. Interfaces used to access registers include the following: • Settings Editor in Device Configuration Utility (p. 116) software • Status table in CR6 memory - view as a data table • DataTableInfo table in CR6 memory - view as a data table • Station Status1 menu option - find in datalogger support software (p. 604). • Edit Settings menu option - find in PakBusGraph software. • Ports and Status and Configure, Settings menu options - external keyboard display • status.keyword syntax - CRBasic program Note Communication and processor bandwidth are consumed when generating the Status table. If the CR6 is very tight on processing time, as may occur in very long or complex operations, retrieving the Status table repeatedly may cause skipped scans. 1 Information presented in the Station Status menu option is not automatically updated. Click the Refresh button for the recent update. 7.7.4 Durable Settings Many CR6 settings can be changed remotely over a telecommunication link either directly or as part of the CRBasic program. This convenience comes with the risk of inadvertently changing settings and disabling communications. Such an instance will likely require an on-site visit to correct the problem. For example, wireless-ethernet (cell) modems are often controlled by a switched 12 Vdc (SW12) terminal. SW12 is normally off, so, if the program controlling SW12 is disabled, such as by replacing it with a program that neglects SW12 control, the cell modem is switched off and the remote CR6 drops out of telecommunications. Campbell Scientific recommends implementing one or both of the provisions described in the sections "Include" File (p. 120) and Default.CR6 File (p. 124) to help preserve remote communication, or other vital settings. 7.7.4.1 'Include' File The "Include File" is a CRBasic program file that resides in CR6 memory and compiles as an insert to the CRBasic program. It is essentially a subroutine stored 120
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