QVS Interface Converter IC-485S - Manual (Page 8)

IC-485S/IC-485SI
OPERATION
__
OPERATION IC-485S/IC-485SI
3-3 MULTIDROP/4-WIRE FULL DUPLEX 3-4 MULTIDROP/2-WIRE HALF DUPLEX
PC1 =>
COM1/
COM2
B l
=>PC2
COM1/
COM2
=>PC3
COM1/
COM2
=>PC4
COM1/
COM2
PC1
COM1/
COM2
A B1
Ii-485
COM1/
COM2
b2
Configuration:
Configuration:
Bn DCE/DTE TxRTS, RxON B TxRTS,
Note: Bn means any one of the B 1, B2, B3 and SO o n .
Figure 3-3 MULTIDROP/4-WIRE FUL L DUPLEX
Note: Bn means any one of the B 1, B2, B3 and so on.
Figure 3-4 MULTIDROP/2-WIRE HALF DU-
PLEX
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