| 
             Model 
             | 
            
             SOT-NP1601H 
             | 
            
             SOT-NP1601S 
             | 
            
             SOT-1603H 
             | 
            
             SOT-1603S 
             | 
        
        
            | 
             Optical axis direction 
             | 
            
             Head-On 
             | 
            
             Side-On 
             | 
            
             Head-On 
             | 
            
             Side-On 
             | 
        
        
            | 
             Rated voltage 
             | 
            
             DC24V 10% or less ripple 
             | 
        
        
            | 
             Operating voltage 
             | 
            
             DC18 – 30V Ripple 
             | 
        
        
            | 
             Current consumption 
             | 
            
             100mA MAX 
             | 
        
        
            | 
             Transfer distance 
             | 
            
             0 to 1m (with light intensity control knob set to MAX) 
             | 
            
             0 to 3m (with light intensity control knob set to MAX) 
             | 
        
        
            | 
             Emitting derection 
             | 
            
             30 degrees or more (at 1m distance) 
             | 
            
             5 degrees or more (at 3m distance) 
             | 
        
        
            | 
             No. of transfer bits 
             | 
            
             16 input bits and 16 output bits 
             | 
        
        
            | 
             Transfer method 
             | 
            
             Semi-dual bi-directional or uni-directional 
             | 
        
        
            | 
             Detection method 
             | 
            
             Continuous monitoring of bit status changes 
             | 
        
        
            | 
             Transfer time 
             | 
            
             20ms max. (in M/S mode) or 30ms max. (in X mode) 
             | 
        
        
            | 
             Sender element 
             | 
            
             Near infrared light emitting diode 
             |