Omron NT20S - Page 74

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Connection to a PC by the NT Link (1:N)
Section 2-6
NT-AL001 Converter Unit DIP Switch Settings
The DIP switch settings to be made at an NT-AL001 used in the wiring depend on
whether it is connected part way along the RS-422A/485 cable or is at the end of
the RS-422A/485 cable.
S RS-422A connection, RS-232C at the PC side
C200HX/HG/HE
RS-232C cable
(max. 2 m)
RS-232C/RS-422A
converter unit,
type NT-AL001
(End connection)
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C/RS-422A
converter unit,
type NT-AL001
(End connection)
(

) Total cable length: 500 m
RS-422A
cable (

)
RS-232C cable
(max. 2 m)
RS-232C cable
(max. 2 m)
RS-232C cable
(max. 2 m)
RS-422A
cable (

)
NT20SNT20SNT20S
S RS-485 connection, RS-232C at the PC side
C200HX/HG/HE
RS-232C cable
(max. 2 m)
RS-232C/RS-422A
converter unit,
type NT-AL001
(End connection)
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C/RS-422A
converter unit,
type NT-AL001
(End connection)
(

) Total cable length: 500m
RS-485 cable (

)
RS-232C cable
(max. 2 m)
RS-232C cable
(max. 2 m)
RS-232C cable
(max. 2 m)
RS-485 cable (

)
NT20SNT20SNT20S