Omron CP1E-E14SDR-A User Manual page 255

Appendices
Wiring Example
RS-422A/485 Option Board
DIP switch for operation settings
SW1 Terminating resistance ON/OFF
SW2 2/4-wire selection
SW3 2/4-wire selection
SW4 Not used
SW5 RD control
SW6 SD control
Note Do not use NS-AL002, when connecting the built-in RS-422A port of the NB-series PT.
No-protocol Communications
Connecting RS-232C Ports 1:1
• Communications Mode: No-protocol
Example: Connections to E5CK Controller
CP1E N/NA (S)-type CPU Unit
Built-in RS-232C Port or RS-232C
Option Board
Signal
Pin
FG 1
SD 2
RD 3
RS 4
CS 5
DR* 7
ER* 8
SG 9
D-sub, 9-pin connector (male)
* DR and ER signals are not supported by the N
A-34
NB-series or
CP1E
NS-series PT
ON (terminating resistance) ON (RS/CS control)
OFF (4-wire connection) OFF (4-wire connection)
OFF (4-wire connection) OFF (4-wire connection)
OFF ON (terminating resistance)
OFF (no control)
OFF (no control)
Example: OMRON E5CK Controller
RS-232C
RS-232C: Terminal block
shielded cable
Terminal
13
14
1
NS-AL002
DIP switch settings
SW1
RS/CS control or always ON
SW2
2/4-wire selection
SW3
2/4-wire selection
SW4 Terminating resistance ON/OFF
Signal
SD
RD
SG
S(1)-type CPU Unit.
CP1E CPU Unit Hardware User's Manual(W479)