
 
 
 
 
INTRODUCTION: 
 
The Sigma Myriad LC1 (Level C ntr ller) is a micr pr cess r based, state  f the art, level c ntr ller 
 ffering unmatched perf rmance and full user c nfigurability. 
 
The LC1 is used with a primary level measuring device wh se  utput signal is c mpatible with c mm n 
anal g  utputs 4/20MA, 0-5VDC, 1-5VDC, and 0-10VDC.  
 
Level indicati n is displayed in b th numeric and graphic f rmat  n the LC1’s graphic LCD display al ng 
with the current status  f the unit’s 4 digital  utputs. 
 
All aspects  f the unit are user c nfigurable thr ugh the ‘plain English’ menus and c mbinati ns  f the  
5 user data key push butt ns.    
 
Available in 2 styles  f m unting, ¼ DIN (4” x 4” n minal) and wall m unted Nema 4X encl sures, the 
Myriad LC1 is suitable f r installati n in all industrial envir nments. 
 
 
ORDERING INFORMATION: 
 
 1/4 DIN Case      Sigma Myriad-LC1   
 Wall M unt Nema 4X    Sigma Myriad-LC1-N4X 
 
 
SPECIFICATIONS: 
 
 ANALOG INPUT (1 ea.) 
Anal g, 4/20MA, 0-5V, 1-5V, 0-10VDC, is lated with c mm n negative, +-0.1% accuracy. 
 
 DIGITAL INPUTS (2 ea.) 
Digital 10-30V AC  r DC, 120  r 240 VAC (requires external resist r). 
 
 ANALOG OUTPUT: (1 ea.) 
Anal g, with c mm n negative 0-20MA, 4/20MA, 0-5V, 0-10V (v ltage  utput requires a 
resist r). 
 
 DIGITAL OUTPUTS:  
      Opt  is lated, s lid state,  pen c llect r, 100MA 30VDC max. 
 
 RELAY OUTPUTS: (2 ea.) 
SPDT, F rm ‘C’ 5A Relay 
 
 DISPLAY: 
LCD, 128 X 32 pixel bitmapped graphic display 
 
 LOOP POWER: 
24VDC regulated  utput, 100MA max.