Overview
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-L31ER-NSE |
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Product Type | CompactLogix Controller |
| Product Series | CompactLogix 5370 L3 |
| Memory | 0.5 MB |
| Communication Interface | 2 x EtherNet/IP ports |
| Network Topology Support | Device-Level Ring (DLR) |
| Programming Interface | 1 x USB 2.0 full-speed port |
| Motion Control Capacity | Up to 16 axes through Integrated Motion on EtherNet/IP |
| I/O Expansion Capacity | Up to 16 Compact I/O modules across 3 banks |
| Power Supply Voltage | 24 VDC |
| Enclosure Type | Open style |
| Country of Origin | United States |
Controller and Communication Features
The 1769-L31ER-NSE executes programmable control logic within the CompactLogix platform. Its dual EtherNet/IP ports support industrial network communication, while Device-Level Ring (DLR) provides a ring topology option for connected network devices.
In addition, the USB 2.0 full-speed port provides a local interface for controller programming and configuration. These interfaces support both local engineering access and communication with networked automation equipment.
Motion Control and I/O Expansion
The controller supports up to 16 motion axes through Integrated Motion on EtherNet/IP. This allows the controller to coordinate supported motion devices over the Ethernet-based network rather than relying solely on local I/O connections.
Furthermore, the controller supports up to 16 Compact I/O modules across three banks. This expansion capacity allows users to configure local input and output resources according to the control system requirements.
Power and Installation Characteristics
The controller operates with a 24 VDC power supply and features an open-style enclosure. Therefore, the installation design should account for the required electrical connections and suitable enclosure protection.
Frequently Asked Questions
Q: What communication interfaces does the 1769-L31ER-NSE provide?
A: It provides two EtherNet/IP ports with Device-Level Ring (DLR) support and one USB 2.0 full-speed programming port.
Q: How many motion axes can this controller support?
A: It supports up to 16 axes through Integrated Motion on EtherNet/IP. Actual motion configurations depend on the supported network devices and system configuration.
Q: How many Compact I/O modules can be connected?
A: The controller supports up to 16 Compact I/O modules across three banks. The final configuration must also account for the applicable system power and expansion requirements.
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