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The 1769-L30ER-NSE (Part Number: 1769-L30ER-NSE) is a specialized CompactLogix 5370 L3 processor engineered for high-security environments where "No Stored Energy" (NSE) is a requirement. Unlike standard controllers that utilize internal capacitors to maintain power...
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The 1769-L30ER-NSE (Part Number: 1769-L30ER-NSE) is a specialized CompactLogix 5370 L3 processor engineered for high-security environments where "No Stored Energy" (NSE) is a requirement. Unlike standard controllers that utilize internal capacitors to maintain power during shutdown, the NSE version is designed to dissipate energy rapidly upon power loss, making it ideal for hazardous areas or applications requiring strict de-energization protocols.
This controller features a dual-port EtherNet/IP interface with an integrated switch, allowing for Device Level Ring (DLR) topologies or linear daisy-chaining without external switches. With 1 MB user memory and support for up to 32 concurrent tasks, the 1769-L30ER-NSE provides robust processing power for mid-sized automation systems. It seamlessly integrates with the 1769 Compact I/O platform, supporting local expansion and distributed control over EtherNet/IP.
| Specification | Details |
|---|---|
| User Memory | 1 Megabyte (Volatile) |
| Energy Storage | No Stored Energy (NSE) design for rapid power dissipation |
| Ethernet Capabilities | Dual-port EtherNet/IP with embedded switch; supports DLR and Linear topologies |
| Max Tasks | 32 Task limit (up to 1,000 programs per task) |
| Communication Ports | 2 x EtherNet/IP, 1 x USB 2.0 (Client) |
| I/O Capacity | Supports up to 8 local 1769 I/O modules |
| Network Connections | Up to 256 EtherNet/IP connections |
| Operating Temperature | 0 to 60 °C |
| Mounting | DIN Rail or Panel Mount |
The 1769-L30ER-NSE is frequently utilized in:
Oil and gas industry
Mining
Specialized laboratory environments
Its NSE designation is critical for facilities where equipment must reach a zero-energy state quickly to meet safety standards or to prevent sparks in volatile atmospheres.
Does the NSE model require a battery?
No, the 1769-L30ER-NSE does not use a battery. It relies on the included SD card to retain the project and data, as internal energy storage is intentionally minimized.
Can I use standard 1769 I/O modules with this controller?
Yes, this processor is fully compatible with the standard 1769 Compact I/O module library, provided the total module count and power supply distance ratings are respected.
