| MODELS | 
 SERIAL PORT  | 
I/O DISCRETES | ANALOG INPUTS | EXPANSION I/O | 
| CLAN-1205-MQ | 
 1 x RS232 +1 x RS485/RS422  | 
 ---  | 
 8x 0-10V / 4-20mA  | 
yes | 
| 
 CLAN-2205-MQ  | 
 1 x RS232 +1 x RS485/RS422  | 
10 Configurations (10 for pulses) | --- | yes | 
| CLAN-3404-MQ | 1x RS232 | --- | 8 x 0-1V, 0-10V, 4-20mA differential | yes | 
| 
 CLAN-3524-MQ  | 
     2 X RS232/485  |