Overview
Manuals
In terms of operation
Applications and System Configuration
Features:
- DeviceNet Safety Unit Safety Network Controller
- Used within the NE2A series for industrial automation
- Designed to integrate safety control and standard information control within a single network
Its primary function is to act as a bridge between safety-grade field devices and the standard DeviceNet network, seamlessly integrating safety I/O (such as emergency stop buttons and light curtains) into distributed control architectures.
By providing highly reliable communication, it ensures that safety-critical data is transmitted with the necessary integrity to meet international safety standards such as SIL3 or PLe. In addition to basic communication functions, the module offers robust diagnostic capabilities and flexible I/O management.
The NE2A-DNS21 Omron DeviceNet Safety Unit may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Omron NE2A-DNS21 DeviceNet Safety Unit INFO(Datasheets), Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The NE2A-DNS21 utilizes the CIP Safety (Common Industrial Protocol Safety) protocol based on the DeviceNet physical layer. It continuously performs a dual-channel cross-check mechanism on all incoming safety signals to detect internal hardware faults or external line faults, such as short circuits. When a safety event occurs or a communication error is detected, the module immediately switches to a predefined "safe state" (typically shutting down all outputs) and broadcasts a high-priority safety message to the main controller to initiate an emergency stop or safe shutdown of the entire network.
- The NE2A-DNS21, installed on NE2A series controllers, is a key component in building safety networks for monitoring safety-critical devices such as emergency stop buttons and light curtains.
- Integration: Easily integrates with Omron controllers and can be configured using Sysmac Studio or network configuration tools.
- Versatility: Suitable for applications such as robotics, CNC machining, material handling, and packaging machinery.
