95
Connection Examples
Section 4-5
System Configuration
The number of RS-232C/RS-422(485) converters/adapters required
will be one more than the number of V530-R150s in the system. An
example of a configuration using OMRON’s NT-AL001 Adapter is
given below. Descriptions of connections 1 to 4 are given after the
diagram.
NT-AL001 RS-232C/RS-422 Adapter Settings
The DIP switch settings for the NT-AL001 that is connected to the
host are different from the settings for the other NT-AL001s. Both set-
tings are given in the following table.
5 VDC
power
supply
NT-AL001
RS-232C
Connection 4
RS-422
Connection 3
RS-422
Connection 2
RS-422
Connection 2
NT-AL001
NT-AL001
NT-AL001
RS-232C
Connection 1
RS-232C
Connection 1
RS-232C
V530-R150
Unit number 00
V530-R150
Unit number 01
V530-R150
Unit number 02
Host
(Computer or Programmable Controller)
Connection 1
5 VDC
power
supply
5 VDC
power
supply
5 VDC
power
supply
NT-AL001
Setting
NT-AL001 connected to the host
Pin 1: ON (always ON)
Pin 2: ON (terminating resistance)
Other NT-AL001s (connected to the
V530-R150s)
Pin 1: ON (always ON)
Pin 6: ON (RS control)
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