Configured for high-speed motion control and integrated safety execution in CompactLogix platforms, the Allen-Bradley 1769-L37ERM (1769-L37ERM Controller Module) provides direct physical/electrical execution of 16-axis CIP motion drives over deterministic networks.
Hardware Specifications
Parameter
Specification
Model
1769-L37ERM
Brand
Allen-Bradley
Origin
USA
Weight
1.07 lbs (0.49 kg)
Dimensions
Standard 1769 CompactLogix Controller Width
Operating Temp
0 to 60 deg C
Power Consumption
Standard 1769 System Power Supply Driven
Product Line
CompactLogix
Product Type
CPU Processors
User Memory
4 MB
Motion Axes
16 Axis CIP Motion
Network Interfaces
Dual EtherNet/IP Ports (Embedded DLR), USB 2.0
Storage Media
Secure Digital (SD) Card Supported
Deterministic Network & Motion Synchronization
The unit coordinates backplane bus communication velocity and integrated motion profiling over deterministic EtherNet/IP networks. Dual embedded Ethernet ports support Device Level Ring (DLR) topologies to maintain continuous network uptime without packet loss during single-cable faults. Onboard firmware flash compatibility permits real-time 16-axis CIP Motion execution, enabling synchronized multi-axis servo loops directly aligned with backplane logic execution cycles.
Frequently Asked Questions
Q: Does the 1769-L37ERM require a battery to retain controller memory during power outages?
A: No. The controller utilizes non-volatile internal flash memory to preserve project logic during power loss, eliminating the need for a lithium battery.
Q: What network topologies are supported by the dual Ethernet ports on the 1769-L37ERM?
A: The dual Ethernet ports support Device Level Ring (DLR), linear, and traditional star network topologies using a single IP address.
Field Installation Guidelines
Remove power from the 1769 system rack before sliding the processor onto the DIN rail or attaching it to adjacent modules.
Engage the module locking levers firmly to connect the backplane bus interface with adjacent 1769 expansion modules or power supplies.
Insert an industrial SD card into the front card slot if automatic non-volatile image recovery on boot is required.
Connect Category 5e/6 shielded twisted-pair cables to the dual RJ45 EtherNet/IP ports, maintaining a minimum 30 mm cable bend radius inside the panel wireway.
Establish frame grounding by fastening the mounting screws directly to a clean, unpainted, grounded metallic backplate.
