and search for "NT Series Support Tool" or "CX-One".
Set up a using:
This is a configuration tool specifically for the NT2S and NT3S series .
The modern way to acquire the NT Series Support Tool is through . omron nt series support tool download
. Even in modern versions of CX-One, NTST is often included as a legacy supplement.
Mapping HMI data fields directly to Omron PLC memory addresses (such as CIO, Work, Hold, and Data Memory areas).
The exact of your Omron screen (e.g., NT31C-ST141-EV2) Your computer's Windows version (e.g., Windows 10 64-bit) and search for "NT Series Support Tool" or "CX-One"
Complete Guide to Omron NT Series Support Tool Downloads and Installation
| Feature | NT-series HMI (Discontinued) | NS-series HMI (Modern Replacement) | | :--- | :--- | :--- | | | NT-series Support Tool (NTST) | CX-Designer | | Key Technology | Legacy monochrome/STN color displays | Advanced TFT color displays, higher resolution | | Connectivity | Primarily RS-232C/RS-422/485 | Ethernet, USB, Serial, and more | | Data Logging | Basic or none | Built-in data logging to CF card or USB memory | | Official Support | Discontinued | Fully supported by Omron |
These devices were state-of-the-art in the 1990s and early 2000s. Today, they are considered legacy—but they are not obsolete. Maintenance engineers and system integrators frequently face a critical challenge: The exact of your Omron screen (e
Despite the discontinuation, there are still legitimate paths to obtain the software. Here is the recommended order of operations:
PC Side (DB9 Female) HMI Side (DB9 Female) Pin 2 (RXD) <----------> Pin 3 (TXD) Pin 3 (TXD) <----------> Pin 2 (RXD) Pin 4 (DTR) <----------> Pin 6 (DSR) Pin 5 (GND) <----------> Pin 9 (GND) Pin 6 (DSR) <----------> Pin 4 (DTR) Pin 7 (RTS) <----------> Pin 8 (CTS) Pin 8 (CTS) <----------> Pin 7 (RTS) Use code with caution. Communication Settings in NT-ST Open the NT Support Tool. Navigate to -> Communication Settings .
The NT Series Support Tool was built for Windows 95, 98, XP, and Windows 7. Running it on Windows 10 or Windows 11 requires specific workarounds. Windows 10 & 11 Compatibility Steps