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Appendix A
Specifications
191
Specifications for High-speed 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.
Specifications for Memory Link Communications
Item
Specification
Communications standard
EIA RS-232C
Communications settings
Start-stop synchronization
Baud rate:
1,200, 2,400, 4,800, 9,600, 19,200, or 38,400 bps
Data length:
7, 8 bits
Stop bits:
1, 2 bits
Parity:
None, even, odd
Flow control:
None, RS/CS, XON/XOFF
Response:
Presence/absence
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
Memory link
* When using NT-AL001 or NS-AL002 Link Adapter, specifications are as follows:
•
RS-232C: Max. 2 m (Not required with the NS-AL002)
•
RS-422A: Max. total length 500 m
Specifications for Bar Code Reader Communications
Item
Specification
Communications standard
EIA RS-232C
Communications settings
Start-stop synchronization
Baud rate:
4,800, 9,600, or 19,200 bps
Data length:
7, 8 bits
Stop bits:
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]