SpecificationsAppendix A

For a Memory Link , RS-232C Type

Item

 

Specification

 

 

 

Communications standard

EIA RS-232C

 

 

 

 

 

Start-stop synchronization

 

 

Communications speed:

1200, 2400, 4800, 9600, 19200, 38400 bps

 

Data length:

7, 8 bits

Communications settings

Stop bit:

1, 2 bits

 

Parity:

None, even, odd

 

Flow control:

None, RS/CS, XON/XOFF

 

Response:

Presence/absence

 

 

Connector

9-pin D-SUB connector (female) (serial port A)

 

25-pin D-SUB connector (female) (serial port B)

 

 

 

Number of units connected

1:1

 

 

 

 

Transmission distance

Max. 15 m*

 

 

 

 

Communications protocol

Memory link

 

*When using NT-AL001, specification is as follows:

RS-232C: Max. 2 m

RS-422A: Max. total length 500 m

For a Memory Link , RS-422A Type

Item

 

Specification

 

 

 

Communications standard

EIA RS-422A

 

 

 

 

 

Start-stop synchronization

 

 

Communications speed:

1200, 2400, 4800, 9600, 19200, 38400 bps

 

Data length:

7, 8 bits

Communications settings

Stop bit:

1, 2 bits

 

Parity:

None, even, odd

 

Flow control:

None, XON/XOFF

 

Response:

Presence/absence

 

 

Connector

25-pin D-SUB connector (female) (serial port B)

 

 

 

Number of units connected

1:1

 

 

 

 

Transmission distance

Max. 500 m*

 

 

 

 

Communications protocol

Memory link

 

For a Bar Code Reader

Item

 

 

 

 

Specification

 

 

 

 

 

 

 

Communications standard

 

EIA RS-232C

 

 

 

 

 

 

 

 

 

 

 

 

Start-stop synchronization

 

 

 

 

 

Communications speed: 4,800, 9600, 19200 bps

Communications settings

 

Data length:

7, 8 bits

 

Stop bit:

1, 2 bits

 

 

 

 

Parity:

None, even, odd

 

 

Flow control:

RS/CS

 

 

 

 

 

 

Connector

 

9-pin D-SUB connector (female) (serial port A)

 

 

 

 

 

 

 

Number of units connected

 

1:1

 

 

 

 

 

 

 

 

 

 

 

Transmission distance

 

Max. 15 m

 

 

 

 

 

 

 

 

 

 

Communications protocol

 

Non-protocol mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data format

 

[STX]

Data (0 to 40 bytes)

[ETX]

 

 

 

 

 

 

 

 

253

Page 263
Image 263
Omron NT31 NT31C manual For a Memory Link , RS-232C Type, For a Memory Link , RS-422A Type, For a Bar Code Reader, Rs/Cs