Connections

Section 4-3

Host Computer Connections

1:1 Connections Using RS-232C Ports IBM PC/AT or Compatible Computers

Serial Communications

Board

Signal Pin

FG

SD

RD

RS-232C RTS interface

CTS 5V DSR DTR SG

D-sub, 9-pin connector (male)

Computer

Pin Signal

CD

RD

SD

DTR RS-232C

SG interface

DSR

RTS

CTS

CI

D-sub, 9-pin connector (female)

Using NT-AL001-E Converting Link Adapters

Computer Shield

NT-AL001-E Link Adapter

 

NT-AL001-E Link Adapter

 

 

 

 

Pin Signal Signal

RS-232C

 

Signal

Pin Signal Signal Pin

RS-422A

Pin (See note)

 

RS-232C

 

 

 

 

FG

NC

 

NC

 

 

SD

SD

 

SD

 

 

RD

RD

 

RD

 

RS-232C RTS

RTS

 

RTS

 

Interface

CTS

CTS

 

CTS

 

 

 

 

 

 

5V

 

5V

 

 

DSR

DSR

 

DSR

 

 

DTR

DTR

 

DTR

 

 

SG

SG

 

SG

 

Serial Communications Board

Pin Signal

FG

SD

RD

RTS RS-232C

CTS Interface

5V DSR DTR SG

D-sub, 9-pin

Terminal block

Terminal block

D-sub, 9-pin

D-sub, 9-pin

connector (male)

connector (male)

 

connector (male)

 

 

5-V (+)

 

power (–)

 

DIP Switch Settings

DIP Switch Settings

Pin 1: ON

Pin 1: ON

Pin 2: ON

Pin 2: ON

(terminating resistance)

(terminating resistance)

Pin 3: OFF

Pin 3: OFF

Pin 4: OFF

Pin 4: OFF

Pin 5: OFF

Pin 5: OFF

Pin 6: ON

Pin 6: OFF

 

Note We recommend using the following NT-AL001-E Link Adapter Connecting Cables to connect to NT-AL001-E Link Adapters.

XW2Z-070T-1: 0.7 m

XW2Z-200T-1: 2 m

!Caution Do not use the 5-V power from pin 6 of the RS-232C port for anything but the NT-AL001-E Link Adapter. Using this power supply for any other external device may damage the Serial Communications Board or the external device.

40

Page 52
Image 52
Omron CQM1H-SCB41 operation manual Using NT-AL001-E Converting Link Adapters, RTS RS-232C