5069-L310ER — Compact 5000 Platform Controller, 1 MB Memory, Dual EtherNet/IP

The 5069-L310ER is an entry-level controller in a scalable Compact 5000 platform family, providing 1 MB of user memory, dual EtherNet/IP ports supporting Dual-IP or Linear/DLR network modes, and support for up to 16 local I/O modules (31 with current Logix Designer software versions). It ships with a 2 GB non-volatile SD card for program and log backup, and supports 32 controller tasks with up to 1000 programs per task.

Specifications

Parameter	Value
Part Number	5069-L310ER
User Memory	1 MB
Communication	2 × EtherNet/IP (10/100/1000 Mbps), 1 × USB
Topology Support	Dual-IP, Linear, Star, DLR
Max Local I/O Modules	16 (up to 31 with current software)
Max Ethernet Nodes	24
Tasks	32, up to 1000 programs per task
Non-Volatile Storage	1784-SD2 (2 GB), included
Hot-Swap Support	No — RIUP not supported
Programming Software	Studio 5000 Logix Designer

Entry Point Into a Scalable Controller Platform

Within its controller family, this model sits at the smaller end of the memory and I/O scale, but it shares the same Compact 5000 I/O ecosystem, programming environment, and dual-port network architecture as larger members of the family — a project starting with modest I/O and memory needs can grow into a larger controller later without abandoning the I/O modules, program structure, or panel wiring already invested in. Dual-IP mode lets the two Ethernet ports serve genuinely separate networks (a device-level network and a plant-level network, for instance), while Linear/DLR mode instead treats both ports as a single ring-capable connection — the choice depends entirely on the system architecture being built.

The 16-module local I/O limit under earlier software versions, expanding to 31 modules with Logix Designer version 30 or later, is a detail worth checking against the planned I/O count and the development software version available — a system designed assuming the higher module count will need the corresponding software version installed before that capacity is actually usable.

FAQ

Q: Can this controller be inserted or removed while the system is powered?

No. Removal and Insertion Under Power (RIUP) is not supported — connecting or disconnecting the controller while power is applied can produce an electrical arc, and the system must be de-energized first.

Q: Does the controller require a separately purchased end cap for the I/O bank?

No. A compatible end cap ships with the controller and must be installed on the right side of the last I/O module in the local bank.

Q: What's the difference between Dual-IP mode and Linear/DLR mode on the two Ethernet ports?

Dual-IP mode configures each port with its own independent network address for connecting to two separate networks. Linear/DLR mode instead uses both ports as a single network connection supporting ring topology with automatic fault rerouting.

Q: Is a field potential distributor needed for the local I/O bank?

Only if the I/O modules installed require both AC and DC field power within the same bank — a field potential distributor separates the module types in that scenario; a bank with only one voltage class doesn't need it.

5069-L310ER New Sealed 1MB Enet Motion Controller Ser.A 5069L310ER