114
14-4-2. One to N
・ The S.G. terminal is connected if necessary by the state of the communication with the host side.
・ The polarity of the signal of the host computer may have opposite case depending on the
equipment.
・ There may have no S.G. terminal in the equipment on the host side.
・ For the connection, we recommend you to use twist pair wires.
・ The S.G. for standard RS-485 and the common of internal circuit are connected.
The terminal resistance is
connected in the futhest
place away from the host.
Make connect the terminal
resistance between the A
and B.
A
B Address 31
S.G.
A
B Address 01
S.G.
CSD-903
CSD-903
RS-485＋
RS-485－
S.G.
A
B Address 00
S.G.
RS-485 Host
CSD-903
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