
4. Network Bus type
:
Please Note
:
◎
Twisted pair wire with shield (24AWG and above) for internet communication use.
◎
◎
◎
◎
If the length of RS485 is about 300 m, try 330
first.
If the length of RS485 is about 600 m, try 220
first.
If the length of RS485 is about 1.2K m, try 110
first.
The above value or parameters are for user's reference.
Please increase or decrease the value in accordance to the specific length used.
Ω
Ω
Ω
IBM
相容電腦
P O
WER
T
X D
RX D
A P3 0 A
R S2 3 2 TO RS 4 8 5 C ON VE RTER
RS232
RS485
Valid Distance
1200Meters
≦
Can be expanded to 255 sets (Max.)
Device 1
Device N
Device N1
……
對絞線
鋁箔層
隔離網
外皮
AWG24
雙隔離網線
對絞線
鋁箔層
隔離網
外皮
AWG24
雙隔離網線
AP30
RS232
IBM
相容電腦
Valid Distance
30 Meters
≦
2