Chart 4. RS-232 DCE Device w/DB9 Connector to

485DSS RS-232 (DTE) Port

RS-232 DCE

 

 

485DSS

Serial Port

 

Signal

RS-232 (DTE) Port

DB9 Connector

Direction

DB25 Connector

2

-----------

>

3

3

<-----------

2

5

<---------

>

7

7

<-----------

4

8

-----------

>

5

Chart 5. RS-422/485 4-Wire Device to 485DSS RS-422/485 Port.

RS-422/485

 

 

485DSS

4-Wire

 

Signal

RS-485/422

Device

Direction

Terminal Blocks

TD (A)(-)

-----------

>

RD (A)

TD (B)(+)

-----------

>

RD (B)

Signal Ground

<----------

>

GND

RD (A)(-)

<-----------

TD (A)

RD (B)(+)

<-----------

TD (B)

Chart 6. RS-485 2-Wire Device to 485DSS RS-485/422 Port.

RS-485

 

 

485DSS

2-Wire

 

Signal

RS-485/422

Device

Direction

Terminal Blocks

Data (A)(-)

<

---------->

TD (A) & RD(A)

Data (B)(+)

<

---------->

TD (B) & RD(B)

Signal Ground

<

---------->

GND

C-2

Appendix C

485DS32985 Manual

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 434-7094

Page 25
Image 25
B&B Electronics 485DSS manual RS-485/422, Direction Terminal Blocks