| 
             Model 
             | 
            
             SOT-GS501A/B 
            SOT-GS502A/B 
            SOT-GS508A/B 
             | 
            
             SOT-GS801A/B 
            SOT-GS802A/B 
            SOT-GS808A/B 
             | 
            
             SOT-GS1501A/B 
            SOT1502A/B 
            SOT1508A/B 
             | 
        
        
            | 
             Rated supply voltage 
             | 
            
             12/24VDC, 10% or less voltage ripples 
             | 
        
        
            | 
             Operating supply voltage 
             | 
            
             10-30VDC, peak voltage not higher than 30V including ripples 
             | 
        
        
            | 
             Power consumption 
             | 
            
             3W MAX 
             | 
        
        
            | 
             Transmission distance 
             | 
            
             0 – 50m 
             | 
            
             0 – 80m 
             | 
            
             0 – 150m 
             | 
        
        
            | 
             Angle of spread 
            (horizontal/vertical) 
             | 
            
             2° 
            Initial values at maximum transmission distance 
             | 
            
             1.5° 
            Initial values at maximum transmission distance 
             | 
        
        
            | 
             Data format 
             | 
            
             Serial/serial 
             | 
        
        
            | 
             Transmission method 
             | 
            
             Full-duplex, bi-directional 
             | 
        
        
            | 
             Baud rate 
             | 
            
             DC – 38.4kbps 
             | 
        
        
            | 
             Modulation method 
             | 
            
             FSK 
             | 
        
        
            | 
             Lighting element 
             | 
            
             Near infrared light emitting diode 
             | 
        
        
            | 
             Wave length of emitted light 
             | 
            
             870mm 
             | 
        
        
            | 
             Receiving element 
             | 
            
             Photo diode 
             | 
        
        
            | 
             Signal interface 
             | 
            
             RS232C RS422 
            < GS508/808/1508 Only > – RS485 
            Transmission delay time: ([1/( transmission speed bps)] x 25.6) sec 
            Example: If the transmission speed is 2,400 bps, the transmission delay time is about 11 ms. 
             |