Omron NT20M Operation Manual page 15

System Configuration
RS-422 Interface
(NT600M-LK202)
C-series PC
ASCII Unit
(RS-232C)
3G2A9-AL001
Link Adapters
NT20M or NT2000M
with NT600M-LK202
Host Link Unit Interface
(NT600M-LK201)
Wired SYSMAC BUS
Interface
(NT600M-RT121)
C200H, C500, C1000H, or
C2000H PC
Remote I/O
Master Unit
Using NT600M-LK202 Host Interface Units, up to 16 NT20M or NT2000M
Programmable Terminals can be connected to a PC through an ASCII Unit,
or to an FA computer.
FA computer
3G2A9-AL004-(P)E
Link Adapter
RS-422
Using the NT600M-LK201 Host Interface Unit and RS-232C cable, the Pro-
grammable Terminal can be connected one-to-one to a PC through a Host
Link Unit.
C200H or C500 PC
Host Link Unit
Using NT600M-RT121 Host Interface Units, up to 8 Programmable Terminals
can be connected to a PC through a Wired Remote I/O Master Unit.
200 m max. (2-wire cable)
Cable length: 500 m max.
Branch lines: 10 m max. each.
NT20M or NT2000M
with NT600M-LK201
RS-232C
15 m max.
8 Terminals max.
Section 1-6
NT20M or NT2000M
with NT600M-LK202
(16 Terminals max.)
NT20M or NT2000M
with NT600M-RT121
7