RS-485 connection

￿￿￿￿￿￿￿￿￿￿￿￿￿$￿￿￿￿￿￿￿'￿￿()*+￿,￿

Section 2-6

RS-485 connection

RS-232C cable (max. length: 2 m), or directly connected RS-485 cable

C200HX/HG/HE

OMRON PC

While controlling machinery and monitoring lines, controls the NT600S units when necessary. C200H/HG/HE can be used.

RS-232C/RS-422A

RS-232C/RS-422A

converter unit,

converter unit,

type NT-AL001

type NT-AL001

RS-232C/RS-422A converter unit, type NT-AL001

RS-232C/RS-422A converter unit, type NT-AL001

RS-485 cable (*)

RS-232C/RS-422A converter unit, type NT-AL001

RS-485 cable (*)

RS-485 cable (*)

RS-485 cable (*)

 

RS-232C cable

RS-232C cable

RS-232C cable

RS-232C cable

(max. length: 2 m)

(max. length: 2 m)

(max. length: 2 m)

(max. length: 2 m)

NT600S

NT600S

NT600S

NT600S

(*) Total cable length: 500m

[RS-232C Cable Wiring]

 

 

 

Same as for an RS-422A connection. Refer to “RS-422A connection” (page 50).

[RS￿-485 Cable Wiring]

 

 

 

NT-AL001 to NT-AL001

 

 

 

NT-AL001

 

 

NT-AL001

 

 

 

Abbrev.

Pin No.

Pin No.

Abbrev.

 

￿

groundFunctional

1

1

groundFunctional

 

RS-422A

SDB

3

3

SDB

RS-422A

terminal

SDA

4

4

SDA

terminal

block

block

 

RDB

5

5

RDB

 

 

RDA

6

6

RDA

 

 

 

 

Shielding

 

 

 

 

 

wire

 

 

PC to NT-AL001

PC

 

Abbrev.

 

 

RS-422A

Connector

cover

interface

SDA (--)

 

 

SDB (+)

NT-AL001

Pin No.

Abbrev.

Connector

1RS-422A

cover terminal

3 SDB block

4 SDA

Shielding wire

￿￿

Page 66
Image 66
Omron V022-E3-1 operation manual Section, RS-485connection, RS-232CCable Wiring, NT-AL001to NT-AL001, PC to NT-AL001