| 
				 Model  | 
			
				 EM221 8 inputs  | 
		
| 
				 From bus current consumption  | 
			
				 40mA  | 
		
| 
				 Power loss  | 
			
				 2W  | 
		
| 
				 Number of digital inputs  | 
			
				 8  | 
		
| 
				 Signal input type·  | 
			
				 PNP/NPN  | 
		
| 
				 Input voltage range  | 
			
				 24V DC,4mA  | 
		
| 
				 Maximum input voltage  | 
			
				 30V DC  | 
		
| 
				 Surge voltage  | 
			
				 35V DC,0.5s  | 
		
| 
				 Logic 0 signal  | 
			
				 0~5V DC  | 
		
| 
				 Logic 1 signal  | 
			
				 15~30V DC  | 
		
| 
				 Input delay(max)  | 
			
				 4.5ms  | 
		
| 
				 Optical isolation(Galvanic) (Field Side to Logic)  | 
			
				 500 V AC for 1 minute  | 
		
| 
				 Premissible leakage current(Bero)  | 
			
				 1mA  | 
		
| 
				 Cable Length  | 
			
				 500m(Shielded ) 300m(Unshielded)  | 
		
| 
				 Dimensions(W x H x D)(mm)  | 
			
				 46×80×62  | 
		
| 
				 Order Number  | 
			
				 221-1BF22-0XA0  |