2.4    Connecting  the  PROFIBUS  Transmission  Connectors 
Unified Controller nv series PROFIBUS(PA912) Module Instruction Manual 
23 
 
  2.4  Connecting the PROFIBUS Transmission Connectors   
The PROFIBUS transmission cables are connected between the connectors in 
the order illustrated in Figure 2-7. 
 
◆
◆◆
◆
Important 
・
  At terminating stations, turn ON the termination resistor "TERM" built in the connectors. 
 
 
 
Figure 2-7    Connection of PROFIBUS transmission cables 
 
Note 
    For  information  on  twisted  pair  cable  and  the  connector  for  the  PROFIBUS,  refer  to 
"Appendix C    Related Products." 
 
Slave 
(
Terminating station
)
 
(
Terminating station
)
Twisted pair cable 
Slave 
Connector
TERM=ON
PA912 
Connector
TERM=OFF
Connector
TERM=ON