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An RS-422/485 connection allows 2 or more devices to be connected (one-to-N
connection) with a maximum cable length of 500 m. The RS-422/485 connection
is also useful for distant one-to-one connections.
(RS-232C)
Port B
(RS-422/485)
Port A
RS-232C
500 m max.
15 m
RS-232C ↔ RS-422/485 Adapter
NT-AL001
RS-422/485
RS-422/485
500 m max.
Temperature Controller with
RS-422/485 communications
Temperature Controller with
RS-422/485 communications
Temperature Controller with
RS-422/485 communications
Temperature Controller with
RS-422/485 communications
Temperature Controller with
RS-422/485 communications
Temperature Controller with
RS-422/485 communications
Conversion
Adapter
Temperature Controller with
RS-422/485 communications
Temperature Controller with
RS-422/485 communications
Connection Cable Wiring The following diagrams show the cable wiring used with Protocol Macro function
communications.
RS-422/485 Adapter Connection (NT-AL001)
C200HX/HG/HE
AL001
RS-422/485 Connection
(One-to-N)
The Protocol Macro Function
Section 8-6