Omron NT-series Operation Manual page 67

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NT-AL001 Converter Unit DIP Switch Settings
C200HX/HG/HE
RS-232C cable
(max. 2 m)
RS-232C/RS-422A
converter unit,
type NT-AL001
(Termination)
C200HX/HG/HE
RS-232C cable
(max. 2 m)
RS-232C/RS-422A
converter unit,
type NT-AL001 RS-485 cable (*)
(Termination)
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.

RS-422A connection, RS-232C at the PC side
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-422A cable (*)
RS-232C cable
(max. 2 m)
NT600S

RS-485 connection, RS-232C at the PC side
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C cable
(max. 2 m)
NT600S
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-422A cable (*)
RS-232C cable
(max. 2 m)
NT600S NT600S
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-485 cable (*)
RS-232C cable
(max. 2 m)
NT600S NT600S
Section 2-6
(Termination)
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C cable
(max. 2 m)
(*) Total cable length: 500 m
(Termination)
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C cable
(max. 2 m)
(*) Total cable length: 500m