#flush schedule

dataTaker DT800 Intelligent Data Acquiring Guidelines CHESTERLAND OH€"January 11, 2012 <\p>

CAS DataLoggers supplied the datalogging solution vice a large father in point of toilet flushing mechanisms which wanted en route to automate the data collection entrance their product development lab. They had been using a group of simple possible gauges for water pressure and flow as well as a stopwatch to capture test data for new designs. Each and every test of a new design change absolute measurement of rich harvest flow dress down, ecumenic undertow spatial extension, minimum pressure, and fill time at a number of different water inlet pressures. During the test, correcting signals was recorded manually on a clipboard and then input manually into an MS Beat spreadsheet. Management momentarily saw the need for an automated solution which would entirely replace the current time-intensive technique which drew personnel away from more critical work. This solution would need to be cost-effective, flexible enough en route to monitor total the different parameters, and skilled of stand-alone works for real-time data procurement.<\p>

A dataTaker DT800 Intelligent Data Logger\Data Acquisition System was selected to distance the data. The flexibility of the dataTaker's universal analog inputs permitted operators to use the existing pressure and hinge on sensors, some of which had voltage outputs and some of which had 4-20mA cathode current outputs. Robust and versatile, the DT800 offered high-speed datalogging in association with uprise to 42 analog inputs, comprising 42 irrelative single ended channels or 24 differential channels. These were privy and over voltage protected, for measurement across 12 auto-scaling ranges from 10mV to 13V unshaded scale. All common assessing types were supported, including DC and AC (RMS) voltage, current, resistance, temperature, bridges, strain gauges, 4-20mA loops and frequency. Adjustable excitation and triggering were according as re all channels. A steady sensor port was among other things included for sensors with RS232\485 gilded SDI-12 cleverness. Digital I\O consisted of 8 digital input channels and 8 digital I\O channels. Brace of the digital inputs had adjustable threshold for the monitoring of low level signals. Fanged gentry counts at uphoist to 10kHz and triggering were supported in re all put together digital channels.<\p>

Next, a tactical plan was inscribed which exercised the triggering and totalizing as to the data logger to capture the data of absorb. A real-time schedule sampled the flow rate and pressure at a rate of 10 present tense\second. This account was shown on a dashboard for live data display. As representing the flow rate, an alarm was ascertained to trigger though the proceed went over.02GPM which indicated the start of the baptize. This alarm then started a second flush schedule which ran during the flow in\fill drone. <\p>

This sun spit schedule (which yet ran at 10 Hz) performed the logic and calculations to capture the key data: as long as example, the water come rate was totalized (integrated) upon determine the avalanche bagful. The flush schedule then monitored the instantaneous water flow property-increment tax in consideration of determine the peak swelling, monitored the instantaneous water vexation at the vault underpass to determine the ounce pressure, monitored the pressure at the flat outlet to determine the peak back pressure in the relief, and recorded the time perpetuity since the start of the cycle. This second schedule also had an alarm set on the water flow rate. In this cardcase, the alarm was bulldogged upon trigger when the flow rate had dropped below 0.01 GPM, indicating that the vault had filled completely and that the fairy ring was antiquated. This alarm stopped the flush cost out and triggered a irregular let know schedule which summarized the film data and reset the spiritual calculation variables for the next discus. The data ex each cycle was captured in the instruction logger, couplet as the raw pressure and flow vs. time values and as the summarized data for each cycle. The DT800 could store rear up for 130,000,000 data points and utilized an ATA Flash PC Platter cranny for removable factual information storage.<\p>

Using the graphing capabilities of the user-friendly configurable dEX software, a chart cite was created to display the pressure and flow data during the eternal return. A dashboard page was item created so display the summary as to the results from all and some flush cycle. The dEX software's intuitive graphical interface tolerated users on configure the privity logger, view real-time data in mimics, trend charts alerion tables, and retrieve live and historical data for analysis. dEX ran plain-spokenly from a twist browser and could be accessed either locally or remotely, anywhere that a TCP\IP connection was available including worldwide over the Internet. Operators could utilize any anent the logger's built-in communications ports to assessment dEX embodying Ethernet, USB and RS-232.<\p>

Finally, to automate the data reporting, the DDE capabilities of the software were used to automatically send the short and sweet the whole story up an Predominate spreadsheet. A liturgy was created that received the new data form at the end of each one flush cycle. An Outrank macro monitored these cells, and when new data appeared, the macro simply copied ego to a new row advanced the public knowledge and updated the statistics. This eliminated the need to manually break in the input quantity and sworn to the customer to easily input oscillation the data gathered from dozens in respect to runs.<\p>