Dip Switch Settings - Omron SYSMAC CS1D-PD Series Operation Manual

CJ1W-CIF11 RS-422A Converter
RS-422A/485 Terminal Block

DIP Switch Settings

Pin
number
1 Terminating resistance
2 Two-wire/four-wire method selec-
tion (See note 1.)
3 Two-wire/four-wire method selec-
tion (See note 1.)
4 Not used.
5 Selection of RS control for RD
(See note 2.)
6 Selection of RS control for SD
(See note 3.)
Note 1. Set pins 2 and 3 to the same setting (ON for the two-wire method or OFF for the four-wire method).
2. To prohibit echoback, set pin 5 to ON (with RS control).
3. When connecting to several devices using the four-wire method in a 1:N connection, set pin 6 to ON
(with RS control). When connecting using the two-wire method, set pin 6 to ON (with RS control).
Dimensions
5.8 38.8
DIP Switch Settings, Wiring, and Installation
The DIP switch settings must be changed to perform communications according to settings other than the
default settings.
1. Remove the DIP switch cover using a flat-bladed screwdriver in the way shown below.
614
Signal name
RDA−
RDB+
SDA−
SDB+
FG
Function
With (at both ends of the commu-
nications path)
Two-wire method
Two-wire method
---
With RS control
With RS control
18.2
ON
Without
Four-wire method
Four-wire method
---
Without RS control (always ready
to receive)
Without RS control (always ready
to send)
Appendix G
OFF