5 
 
2. System Configurations 
2.1 CJ1M/CJ1G/CJ2M system comfiguration comparison 
Same Power Supply Unit, Special I/O Units, and Basic I/O Unit can  be used for CJ1M/CJ1G Series and 
CJ2M Series.    
♦Built-in I/O 
CJ1G 
not supported 
CPU funcitons  will be available by adding the 
CJ2M-MD211/CJ2M-MD212 
Up to two units can be mounted.   
*It is possible to use the unit with the CPU Unit of unit version 
points 
Supported by CPU2* 
In:10 points/Out:6 points (when one unit is used) 
In:20 points/Out:12 points (when two units are used)