2-1 Connecting the Host
2-6
Supported communications
methods
PT
commu-
nications
type
Host
com-
munica-
tions
type
Supported connection methods
1:1 NT
Link
1:N NT
Links
FINS
Data
Links
Refer-
ence
page
RS-232C,
Controller
Link
RS-
232C,
Control-
ler Link
Host
PT
Serial port A
RS-232C cable
Host
Controller Link
Controller Link
Interface Unit
Specified shielded twisted-pair cable
Yes Yes Yes Yes
P.4-2
P.4-10
P.5-15
Ethernet,
Controller
Link
Ethernet,
Control-
ler Link
Host
PT
Ethernet
Host
Specified shielded twisted-pair cable
10BASE-T twisted-pair cross cable
Controller Link
Interface Unit
Controller Link
No No Yes Yes P.5-2
P.5-15
Yes: Connection is possible. No: Connection is not possible.
Note: Only when a Controller Link Interface Unit (NS-CLK21) is mounted.
• The NS-AL002 is connected directly to the serial port of the PT and power is supplied
from pin 6 of the port.
• When there are multiple serial ports and Ethernet Units for a single host, each port can
be used to communicate with separate PTs. This type of communications method,
however, will reduce the communications performance at the host.
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