Omron V530-R160E User Manual page 66

SECTION 3
Connection to the Host
 1:N Connection (Multi-drop)
A branching link adapter enables communication with multiple controllers (up to 31) from one
host.
Link Adapter
OMRON
NT-AL001
recommended
RS-422 cable
(Cable wiring 2)
Branching Link Adapter
RS-422 cable
(Cable wiring 2)
V530-R160
V530-R160
 Cable Wiring 1
(RS-232C (Connection between the Host and Link Adapter))
The maximum cable length is 15 m.
NT-AL001
Signal
SD
RD
RS
CS
+5V
DR
ER
SG
Hood
Note: The pin numbers at the host device will depend on the device being connected.
V530-R160
64
Operation Manual
RS-232C cable
(Cable wiring 1)
RS-422 cable (Cable wiring 2)
Branching Link Adapter
V530-R160
V530-R160
Pin
2
3
4
5
6
7
8
9
+
-
5 VDC
Refer to the manual for the personal computer or PLC being connected.
(The cable wiring shown above is an example of a connection with a personal computer.)
Personal computer
or PLC
Branching Link Adapter
OMRON B500-AL001
recommended
Notes: When using B500-AL001,
V530-R160
V530-R160
Host connected (Personal computer)
Use a shielded cable.
Please set the terminator to
"ON", and terminate to the
line of final stations as follows;
- Connect 200 Ω (1/2 W or more)
between RDA (−) and RDB (+).
- Connect 220 Ω (1/2 W or more)
between SDA (−) and SDB (+).
Signal
Pin
2 RD
3 SD
4 ER
5 SG
6 DR
7 RS
8 CS
Hood