Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Manual de usuario Pagina 276

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Appendix C
C-3
Table C.B provides the pin assignments for the 25-pin COMM1,
COMM2, and COMM3 (/t1, /t2, /t3) ports on the main and serial
expander modules.
Table C.B
Pin Assignments for 25ĆPin COMM1, COMM2, and COMM3 Ports
Pin RSĆ232C RSĆ422A RSĆ423 RSĆ485
   
   
   
   
   
   
   
   
   
       
    
    
       
       
    
       
    
    
       
    
    
       
       
    
    
Connecting to the 25ĆPin
COMM1, 2, and 3 Ports
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