Teledyne 6712FR manual Memory

6712FR Refrigerated Sampler

Section 5 Extended Programming

Note

	The internal analog output can not be installed in a controller
	that has the internal voice modem also installed. Contact the
	factory for information regarding external cellular modem
	options.
	Flowcharts for analog output screens appear in Appendix A.
5.20 Memory	The 6712 Sampler contains 512 kilobytes of battery backed RAM
	(Random Access Memory) that stores:
	• Five sampling programs
	• The sampling results from the most recent program
	• The rainfall data collected from rain gauges
	• The data from a refrigerator temperature sensor
	• The data collected from a 700 Series module
	• Parameter data collected from an SDI-12 Sonde
	• Calculated flow information from the current flow
	module
	The sampling results memory stores up to approximately 1004
	events (the actual number is dependent on the number of SDI-12
	parameters). The program run and start time information is
	logged as four events. These four entries are held for the duration
	of the program. The remaining 1000 are for logging sample
	events, program events, and errors from the currently running
	program. If the running program exceeds 1000 events, the data
	will “roll over.” That is, the sampler will replace the oldest stored
	event with the newest event. When using an SDI-12 sonde, the
	sampler logs additional entries at each sample event.
	Module, sonde, refrigerator temperature, and rain gauge
	readings are stored in memory partitions. The storage capacity
	depends on the reading types, the number of bytes per reading,
	and the data storage interval.
	The sampler clears the sampling results memory when the site
	description changes. It is important to collect the sampling
	results before changing the site description – the data can not be
	retrieved afterwards. Keep in mind that the description may
	change when selecting an extended program.
	The partition data is cleared when the sampler automatically
	creates and sizes the memory partitions. This occurs when you:
	• Select a new program with a different storage interval
	• Change the Data Storage Interval in the current
	program
	• Change the programming mode
	• Install a new 700 Series Module
	• Change 700 Series Module mode of operation
	• Add or remove a rain gauge with the Hardware Setup

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