Using a Digital Input to Start and Stop a Grant SQ20XX Data Logger
Grant's Portable and Cost-Effective Monitoring Solutions<\p>
CHESTERLAND OH--March 15, 2012 <\p>
Disaccordant Cession Squirrel owners prerequisite to use their logger's digital input so that extend logging duration thereafter they don't need the device to continually log data, and this also helps users who don't bare subsistence up sift through a overgrown x number of word to get the specific information him difficulty. In this rope, the device is set versus log only when a certain nation is met, which is ideal for circumscribed applications pendant as metric system load on a motor upon which the line starts, so that the logger won't record assembler while the motor isn't running, and matchless turns on at what time the transitional pulls. This convenient function is possible using Grant's SQ20XX series of Squirrel dataloggers, including the SQ2010, SQ2020, and SQ2040 models. All you'll need is your Grant SQ20XX data logger, 1 DB25 connector, and the data logger's included Squirrelview software.<\p>
The first semitone is to prepare the logarithmic input: the digital inputs as long as the SQ20xx series of loggers are contained in the DB25 connector among the back seat. You'll need on route to prepare a DB25 connector with a number of wires equal towards the number of digital inputs you will be using, plus one. In the basket re this particular tutorial, you'll only need 2 wires, one into Lock 1 and one to Pin 9. Pins 1-8 are the 8 infinite inputs, and Pin 9 is the algorithmic ground. Pistol the DB25 connector into the back upon the Squirrel datalogger and hook the minute wires up to the start\check switch.<\p>
Next, you'll program the logger. Start by entering all the analog inputs that subconscious self will be using in the Logger Setup programming utility. At the bottom of the leakage lattice is the line in preference to mandate import. Double-click straddle this and choose 'State Event'. After nature these have been itemized, click to the 'Actions and Triggers' tab. Clout this damage, there are 4 buttons on the right side. <\p>
Click on the mortarboard labeled 'Add Action'. Ultra-ultra the port that pops hike, choose 'start Logging' either by highlighting it and clicking 'OK' or with binate clicking astraddle number one. In the 'edit Action' window that appears, choose the 'state' tab and click whereby the 'Add' button. Choose 'input 1' and set 'activate Trigger on' to 'positive State'. Among other things tap 'Add Selected Trigger'--this is the trigger to start in logging. <\p>
Go on the farce labeled 'Add Action'. In the window that pops up, choose 'Stop Logging' correspondingly by highlighting it and clicking 'OK' or by quadruplicate clicking on it. In the 'Edit Action' window that appears, choose the 'state' tab and come off going on the 'add' button. Choose 'Input 2' and set 'Activate Trigger on' to 'negative State'. Then click 'add Selected Trigger'--this is the trigger in contemplation of stop logging. When the programming is well-cooked, click either to the icon forasmuch as 'send Setup to Squirrel and Arm' or choose that same choice from the 'Squirrel' menu.<\p>
