User manual

IC-485S/IC-485SI
OPERATION
3-5 SIMPLEX/ TRANSMIT, RECEIVE ONLY
PC1
COM1/
COM2
=>
B1
=>PC2
COM1/
COM2
=>PC3
COM1/
COM2
Configuration:
=>PC4
COM1/
COM2
A
1 DCE/DTE 1 TxON, RxON
Bn
1 DCE/DTE ) TxON, RxON
Note: Bn means any one of the B 1, B2, B3 and so on.
Figure 3-5 SIMPLEX/TRANSMIT, REC-EIVE
ONLY
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User’s Manual
OPERATION
IC-485S/IC-485SI
3-6 MONITORING
Device 1
RS-422lRS-405
(for IC-485S only)
Device 2
--l
R+
IC-48%
=>PC
COMl/
COM2
Note: R+ and R- signals are converted and linked to
the RS-232 port, DB-25 pm 3. R’ + and R’
-
(T+ and T-) signals are converted and linked
to the RS-232 port, DB-25 pm 2.
Configuration:
A
1 MONI 1 TxRTS, RxON
Note: The RTS must be at the low level in monitoring
mode.
Figure 3-6 MONITORING
User’s Manual
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