Omron NT-series Programmable Terminal V022-E3-1 - Manual (Page 66)


    $    ' ( )*+,
Section 2-6

RS-485 connection
C200HX/HG/HE
OMRON PC
While controlling machinery and
monitoring lines, controls the
NT600S units when necessary.
C200H/HG/HE can be used.
RS-232C cable
(max. length: 2 m), or
directly connected
RS-485 cable
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 RS-232C/RS-422A
converter unit,
type NT-AL001
RS-485 cable (*) RS-485 cable (*) RS-485 cable (*) RS-485 cable (*)
RS-232C cable
(max. length: 2 m) RS-232C cable
(max. length: 2 m) RS-232C cable
(max. length: 2 m) RS-232C cable
(max. length: 2 m)
NT600S NT600S NT600S NT600S
(*) Total cable length: 500m
RS-232C/RS-422A
converter unit,
type NT-AL001
[RS-232C Cable Wiring]
Same as for an RS-422A connection. Refer to “RS-422A connection” (page 50).
[RS-485 Cable Wiring]

NT-AL001 to NT-AL001
3
4
5
6
Pin No. Abbrev.
SDB
SDA
RDB
RDA
RS-422A
terminal
block
Shielding
wire
NT-AL001 NT-AL001
RS-422A
terminal
block
Pin No. Abbrev.
1
3
4
5
6
SDB
SDA
RDB
RDA
Functional
ground Functional
ground
1

PC to NT-AL001
Abbrev.
SDA (--)
SDB (+)
RS-422A
interface
Shielding
wire
PC NT-AL001
RS-422A
terminal
block
Pin No. Abbrev.
1
3
4
SDB
SDA
Connector
cover Connector
cover