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USE AND MAINTENANCE MANUAL
Key
RX422 +/- = Data reception
RX232 = Data reception
TX422 +/- = Data transmission
TX232 = TERMIN data
transmission = Termination
resistance to connect to pin6
NC = Reserved not to connect
GND = Signals earth connection
Ri = Internal termination resistance
on terminal
Figure 6.3.1
–
Additional serial output link connector (female 9 pin cup connector)
ATTENTION
The maximum operating conditions foreseen by standard RS232/422/485 were already specified RS232
Connections and RS422 Connections