Datasheet
28
NS
CX-Designer
CX-Programmer
Note: Communications across network layers can be performed.
USB relay cable
(IP65 oil-proof type)
(sold separately: 
NS-USBEXT-1M)
Commercially 
available USB 
cable
SPMA can be used in CS/CJ-series PLCs with lot number 
030201 or later.
SPMA via a PLC is not supported when a CP-series PLC is 
connected. (SPMA via an NS-series PT is supported with a 
CP-series PLC.)
CX-Programmer version 8.2 and higher support automatic 
online connection via the PT. NS system version 8.2 or higher is 
required.
Note 1:
Note 2: 
Note 3: 
Single Port Multi Access (SPMA)
Transfer ladder program data to the PLC via 
the PT. Perform online editing via the PT.
Transfer screen data via the PLC.
Comparison
The on-site NS screen can be compared with the computer screen. 
NEW
PT  Transfer Compare
Comparison
result
USB connection is 
supported only for CJ2 PLCs.
Note: 
The ladder program can be transferred. 
The ladder program can be transferred. 
A search is automatically made for the PLCs 
connected to the PT and the results are displayed 
using the automatic online connection function in the 
CX-Programmer. Just select a PLC from the list to 
connect. This function is also supported for PLCs over 
network layers.
Use a USB relay cable to enable performing 
maintenance from in front of the control panel.
Using a USB relay cable greatly improves 
debugging at equipment startup.
Easy Automatic Connection
CX-Programmer
Automatic 
search
PLCs registered to the PT are automatically searched for. 
Make the connection simply by selecting from the PLC list.
PLC
Ladder program
Ladder program
USB or 
Ethernet
Serial connection 
(1: N NT Link only)
Ethernet 
Controller Link
NSCX-Programmer
Ethernet or Controller Link
Computer (Serial)
 PLC (Ethernet or Controller Link) NS-series PT
Computer (Serial/USB) NS-series PT (Ethernet)
 PLC (Ethernet or Controller Link) PLC
The comparison function of the CX-Designer enables the following comparison.
CX-Designer project Project in the computer
CX-Designer project NS project 
PLC NS
Ethernet or Controller Link
Serial
USB/Serial or 
Ethernet (See note.)
CX-Designer
Screen data
Screen data
Screen data
Keep connected.
Keep connected.
Same in screen
Different in screen
Screen added
Screen deleted
Same
Different
Added
Deleted
Comparison










