Omron NT31 NT31C manual Combinations of Communication Method and Connection Method, Link

Method for Connection to the Host

Section

2-1

Combinations of Communication Method and Connection Method

The connection methods that can be used depending on the communication

method used and the communication type for communication between the

NT31/NT31C and the host are indicated in the table below.

Usable Communication

Communica-

Communica-

Method

tion Type at

tion Type at

Usable Connection Method

Details

Host

NT

NT

PT

Host

Link

Link

Memory

link

link

(1:1)

(1:N)

Direct 1:1 connection

PT

Host

RS-232C

RS-232C

79

f

f

f

f

RS-232C (max. 15 m)

1:1 connection via a convertor unit

PT

Convertor unit

Host

(NT-AL001)

f

f

f

f

88

RS-422A

RS-232C

(max. 500 m)

(max. 2 m)

1:N connection via a convertor unit

RS-232C

PT

Convertor unit

Host

(NT-AL001)

f

92

RS-422A

RS-232C

(total length 500 m)

(max. 2 m)

RS-422A

Direct 1:1 connection

PT

Host

f

f

f

f

117

RS-422A (max. 500 m)

1:N connection

RS-422A

PT

Host

RS-422A (total length 500 m)

f

122

f: Connection possible : Connection not possible

27