Llac4 four-channel, low-level ac conversion module revision: 3/12 c o p y r i g h t © 2 0 0 4 - 2 0 1 2 c a m p b e l l s c i e n t i f i c , i n c ..
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Llac4 table of contents pdf viewers: these page numbers refer to the printed version of this document. Use the pdf reader bookmarks tab for links to specific sections. 1. General description.....................................................1 2. Specifications ........................................
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Llac4 four-channel, low-level ac conversion module 1. General description the llac4 is a peripheral device used to increase the number of low-level ac signals a datalogger can monitor. The module enables four datalogger control ports to emulate pulse-counting channels by converting the low-level ac ...
Llac4 four-channel, low-level ac conversion module 2. Specifications power: 8 to 16 vdc 0.1 ma @ 12 vdc signal conditioning: minimum ac input voltage versus output square wave frequency: input sine wave (mv rms) 20 200 2000 5000 output square wave range (hz) 1.0 to 20 0.5 to 200 0.3 to 10,000 0.3 to...
Llac4 four-channel, low-level ac conversion module table 2. Control port compatibility datalogger input (hz) control port measurement type cr1000 cr3000 400,000 c1,c2… c8 high frequency cr800 400,000 c1,c2,c3,c4 high frequency cr5000 5,000,000 c7,c8 high frequency cr23x 2,500 c5,c6,c7,c8 high freque...
Llac4 four-channel, low-level ac conversion module 5. Program examples using the cr1000, let's measure four different wind speed sensors that produce low-level ac signals. These will include the rm young 05103, 05106, 05305, propeller type anemometers, and rm young 03101 cup anemometer. Program exam...
Llac4 four-channel, low-level ac conversion module 'main program beginprog scan (1,sec,0,0) pulsecount (rmy05103ws,1,15,0,1,0.098,0.0) pulsecount (rmy05106ws,1,16,0,1,0.098,0.0) pulsecount (rmy05305ws,1,17,0,1,0.1024,0.0) pulsecount (rmy03101ws,1,18,0,1,0.750,0.20) if rmy03101ws rmy03101ws = 0.0 end...
Llac4 four-channel, low-level ac conversion module 6 'main program beginprog scan (1,sec) pulsecount (rmy05103ws,p_ll,0,1,0.098,0.0) pulsecount (rmy05106ws,c1,0,1,0.098,0.0) pulsecount (rmy05305ws,c2,0,1,0.1024,0.0) pulsecount (rmy03101ws,p_sw,0,1,0.750,0.20) if rmy03101ws rmy03101ws = 0.0 endif cal...
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