![background image](http://html.mh-extra.com/html/omron/nt21/nt21_setup-manual_744541201.webp)
Appendix A
Specifications
190
Communications Specifications
Specifications for Host Link Communications
Item
Specification
Communications standard
EIA RS-232C
Communications settings
Start-stop synchronization
Baud rate:
9,600 or 19,200 bps
Data length:
7 bits
Stop bits:
2 bits
Parity:
Even
Connector
9-pin D-SUB connectors (female) (serial ports A and B)
Number of Units connected
1:1
Transmission distance
Max. 15 m*
Communications protocol
C-series SYSWAY (1:N)
* When using an NT-AL001 or NS-AL002 Link Adapter, the specifications are as follows:
•
RS-232C cable: Max. 2 m (Not required with the NS-AL002)
•
RS-422A cable: Total length 500 m max.
Specifications for 1:1 NT Link Communications
Item
Specification
Communications standard
EIA RS-232C
Connector
9-pin D-SUB connectors (female) (serial ports A and B)
Number of Units connected
1:1
Transmission distance
Max. 15 m
*
* When using an NT-AL001 or NS-AL002 Link Adapter, the specifications are as follows:
•
RS-232C cable: Max. 2 m (Not required with the NS-AL002)
•
RS-422A cable: Total length 500 m max.
Specifications for 1:N NT Link Communications
Item
Specification
Communications standard
EIA RS-232C
Connector
9-pin D-SUB connectors (female) (serial ports A and B)
Number of Units connected
1:1 to 8
Transmission distance
Max. 15 m
*
* NT-AL001 or NS-AL002 Link Adapters are required to connect two or more PTs. When using Link Adapters, the
specifications are as follows:
•
RS-232C cable:
Max. 2 m (Not required with the NS-AL002)
•
RS-422A/485 cable: Total length 500 m max.
Содержание NT21
Страница 1: ...Cat No V068 E1 01 Programmable Terminal NT21 Setup Manual ...
Страница 2: ...NT21 Programmable Terminal Setup Manual Produced October 2001 ...
Страница 5: ...iv ...
Страница 7: ...vi ...
Страница 222: ...Cat No V068 E1 01 Note Specifications subject to change without notice Printed in Japan Authorized Distributor ...