Omron NT20S Operation Manual page 75

Connection to a PC by the NT Link (1:N)
(End connection)
(Communication board)
(End connection)
(Communication board)
56
S RS-422A connection, RS-422A at the PC side
C200HX/HG/HE
RS-422A
RS-232C/RS-422A

cable ( )
converter unit,
type NT-AL001
RS-232C cable
(max. 2 m)
NT20S
RS-485 connection, RS-485 at the PC side
C200HX/HG/HE
RS-485
RS-232C/RS-422A

cable ( )
converter unit,
type NT-AL001
RS-232C cable
(max. 2 m)
NT20S
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-422A

cable ( )
RS-232C cable
(max. 2 m)
NT20S NT20S
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-485

cable ( )
RS-232C cable
(max. 2 m)
NT20S NT20S
Section 2-6
(End connection)
RS-232C/RS-422A
converter unit,
type NT-AL001

( ) Total cable length: 500 m
RS-232C cable
(max. 2 m)
(End connection)
RS-232C/RS-422A
converter unit,
type NT-AL001

( ) Total cable length: 500 m
RS-232C cable
(max. 2 m)