1-channel RS232C Type (Product No.: AFPX-COM1)  
This communication cassette is a 1-channel unit with a non-isolated RS232C port. RS/CS control is 
possible. 
 
LED indication / Terminal layout 
Name  Signal direction  Port 
Send Data  FP-X → External device 
COM1 
 port 
Request to Send  FP-X → External device 
Note1) RS (Request to Send) is controllable by the SYS1 instruction. 
Note2) Data cannot be sent without the pin CS (Clear to Send). When using with a three-wire port, short-
circuit the pin RS and CS. 
Note3) With the C30 or C60 type, when the USB port is used, the RS and CS signals are invalid (cannot 
be controlled). 
 
 
General-purpose serial communication 
Available  - 
Note) Number of units is 2. 
 
2-channel RS232C Type (Product No.: AFPX-COM2)  
This communication cassette is a 2-channel unit with a non-isolated three-wire RS232C port.  
 
LED indication / Terminal layout 
Name  Signal direction  Port 
General-purpose serial communication 
Available  - 
Note1) Number of units is 2. (Only the COM1 port can be used.) 
Note2) The RS232C of the COM2 port is not available when using the USB port of the FP-X. 
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com