The ABB NTDI21 is a programmable automation controller (PAC) that was part of the ABB Bailey Infi 90 distributed control system (DCS). It was specifically designed for safety instrumented systems (SIS) and emergency shutdown (ESD) applications, which means it was used in critical industrial processes where safety is paramount.

Here are some key details about the ABB NTDI21:

·Functionality: It could be used for a variety of tasks, including logic control, sequence of events, voting, and communication with other devices.
·Modules: It was a modular system, with different modules available for I/O (input/output), communication, and power supply.
·Programming: It was programmed using a ladder logic language called INFI-LADDER.
·Obsolescence: The ABB Bailey Infi 90 DCS, including the NTDI21 PAC, has been obsolete since 2010. However, spare parts and support may still be available from some suppliers.

 
New product

Product quality: We guarantee that all new products undergo strict quality testing before shipment, ensuring 100% normal operation.

Packaging: The new parts will be in their original packaging to ensure that the product is not damaged during transportation.

After sales guarantee: New products enjoy original factory warranty, please rest assured to purchase.
  

Second hand products

Product condition: Some second-hand products may have obvious scratches on the surface. Please carefully check the product pictures and details before purchasing.

Quality assurance: Second hand products will undergo strict testing before shipment to ensure normal product functionality.

After sales guarantee: Second hand products do not enjoy original factory warranty, but we provide return and exchange services.