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4
INZ-TN5A0506-E
3.3 Connection
(a) RS-232C Interface
Twisted pair cable
with shield
FG
TXD
RXD
Master
Slave (ZKM)
TXD
RXD
SG
SG
(b) RS-485 interface
•
Please use a shielded twist pair cable.
(Recommended cable: KPEV-SB (made by The Furukawa Electric Co., Ltd.))
•
The total extension length of the cable is up to 500 m. One master and up to thirty-one micro
controllers (slaves) can be connected per circuit.
•
Both ends of the cable should be terminate with terminating resistors 100
Ω
(1/2W or more).
•
Ground the shielded cable once towards the master side.
Содержание ZKM
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