Connecting to the Host’s RS-232C Port

Section 5-1

Reference: When using RS-485 as a port for the NT631/NT631C, only NT Link (1:N) method (standard or high-speed) can be used.

Connecting an NT631/NT631C and NT-AL001 (RS-422A)

NT631/NT631C

NT-AL001

 

 

Host

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-422A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RDA

NT631/NT631C side

NT-AL001 side

TRM

RDB

SDA

SDB

RSA

RSB

24V

+DC

RS-422A/ 485 terminal block

Abbreviation

RDA (-)

TRM

RDB (+)

SDA (-)

SDB (+)

RSA (-)

RSB (+)

Functional ground

Short-circuit tool

Shielding wire

Pin number

Abbreviation

 

6

RDA (-)

 

 

 

RS-422A

5

RDB (+)

terminal

4

SDA (-)

block

 

3

SDB (+)

 

1

Functional

 

ground

 

7

5

3

1

8

6

4

2

For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS- 422A/485 Cables on page 125.

Connecting an NT631/NT631C and NT-AL001 (RS-485)

NT631/NT631C

NT-AL001

 

 

Host

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-485

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RDA

NT631/NT631C side

 

 

 

 

 

 

Short-circuit

 

 

 

 

 

TRM

 

 

Abbreviation tool

 

 

RDA (-)

 

 

 

 

RDB

 

 

 

 

 

 

TRM

 

 

 

 

 

 

 

SDA

 

RS-422A/

RDB (+)

 

 

 

 

 

 

 

485

SDA (-)

 

 

 

 

 

 

 

 

 

SDB

 

terminal

 

 

 

 

block

SDB (+)

 

 

 

 

 

 

RSA

 

 

RSA (-)

 

 

 

RSB (+)

 

 

 

 

 

RSB

 

 

 

 

 

 

 

 

ground

 

 

 

 

Functional

 

Shielding wire

24V

+DC

NT-AL001 side

Pin number

Abbreviation

 

 

 

 

6

RDA (-)

 

5

RDB (+)

RS-422A

 

 

terminal

4

SDA (-)

block

 

 

 

3

SDB (+)

 

 

 

 

1

Functional

 

ground

 

7

5

3

1

8

6

4

2

For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS- 422A/485 Cables on page 125.

Reference: When using RS-485 as a port for the NT631/NT631C, only NT Link (1:N) method (standard or high-speed) can be used.

Connecting an NT-AL001 and Host

NT631/NT631C

NT-AL001

 

 

Host

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-232C

83

Page 100
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Omron manual Connecting an NT631/NT631C and NT-AL001 RS-422A, Connecting an NT631/NT631C and NT-AL001 RS-485