The Option Boards are mounted to the option board slot on the CPU Unit.
| Product Name | Specification | Supported protocol | Model | 
|---|---|---|---|
| Serial Communications Option Board | One RS-232C port. Transmission distance: 15 m. Connection type: Screwless clamping terminal block (9 terminals). | Host link, Modbus-RTU master, and no-protocol | NX1W-CIF01 | 
 
				
 
          	
            
           
         
          	
            
           
         
          	
            
           
         
          	
            
           
         
          	
            
           
        