Allen-Bradley 1769-L36ERM CompactLogix Processor 3 MB

Allen-Bradley 1769-L36ERM CompactLogix 5370 L3 controller, 3 MB user memory, dual EtherNet/IP ports, 48 nodes, 30 Compact I/O (1769) modules in 3 banks. NJT Automation offers mail-in repair for the 1769-L36ERM with a 1-year warranty; replacement pricing is available on request.

1 in stock.

Allen-Bradley 1769-L36ERM CompactLogix 5370 L3 controller, 3 MB – Series A (1 of 9)

Actual NJT inventory photos

Request Repair QuoteEstimated $1,440.00

Part Number	1769-L36ERM
Description	CompactLogix 5370 L3 controller, 3 MB.
Shipping	Ships same or next business day UPS Ground included \| Next-Day Air and Worldwide Shipping available at checkout
Pickup	Free local pickup at 2122 N Prospect Ave. Call ahead at (414) 331-5954.
Warranty	1-year full-function warranty provided by NJT Automation. Warranty details Included 1 year, full-function 2 years +15% of product price ($300.00) 3 years +25% of product price ($500.00) View full warranty policy
Returns	90-day free returns. View return policy
Exchange	Send us your defective 1769-L36ERM after your purchase for a 10% core credit. We also purchase old or damaged parts outright.

Replacement Options for 1769-L36ERM

Pick a condition and series below. UPS Ground shipping included.

Allen-Bradley 1769-L36ERMS CompactLogix Processor – Series B, Refurbished

Allen-Bradley 1769-L36ERMS CompactLogix Processor – Series B, Refurbished, second photo

Allen Bradley 1769-L36ERMS /B Compact GuardLogix Safety Controller CPU

$1,999.99 USD

Condition: Refurbished

Series B

1 in stockView details

Variants

Part NumberConditionSeriesQtyPrice

1769-L36ERMS /B$1,999.99

Refurbished · Series B · 1 in stock

1769-L36ERMS /BRefurbishedSeries B1$1,999.99 USD

1769-L36ERM

Refurbished — pick series, then request a quote

Series neededRequest Quote

1769-L36ERMRefurbishedSeries needed—Request Quote

Availability

Related variant in stock

No 1769-L36ERM is on the shelf right now, but a closely related catalog number is in stock above. Check that variant's differences before ordering, or request a quote for the exact part.

Repairs

1769-L36ERM Mail-In Repair Service

Estimated: $1,440.00

Part Number Decoder

CompactLogix 5370 L3 controller

1769L36ERM48

1769: BulletinCompactLogix / Compact I/O: Rockwell Automation's rack-less, DIN-rail Logix platform. 1769 controllers, I/O modules, power supplies and adapters snap together on a shared backplane bus.
L36: ControllerCompactLogix 5370 L3 controller (L36 class).
ER: CommunicationDual EtherNet/IP ports (linear / device-level-ring topologies), USB programming port, SD card slot.
3 MB: Memory size3 MB of standard user memory.
M: MotionIntegrated Motion on EtherNet/IP: up to 16 CIP Drive (position-loop) axes.
48: NetworkSupports up to 48 EtherNet/IP nodes; 30 Compact I/O (1769) modules in 3 banks.

Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Series & Revisions

Series B in stock; other series on request.

Series notes: Logix keys on catalog number and firmware revision, not series; with the default Compatible Module keying, any series of the same catalog number is accepted in the slot.

Intended Use

Intended for machine-level control applications. CompactLogix controllers run packaging machines, palletizers, conveyors, material handling, small process skids and OEM equipment where a mid-size Logix controller with local I/O fits in the machine panel and programs in Studio 5000 like the rest of the plant.

Physical Data

Weight and DimensionsWeight1.46 lb (0.66 kg)

Weight	0.66 kg (1.46 lb) Typical unit weight, CompactLogix 5370 controller; 1769-L24ER-QB1B 0.63 kg
Shipping Weight	0.78 kg (1.73 lb) Estimated: unit weight plus box and packing material; bills as 2 lb
Shipping Box (L × W × H)	8 × 6 × 4 in. (203 × 152 × 102 mm) Most common box recorded for this catalog number

Product weight are typical manufacturer-published values and may differ by series or option. Shipping box and weight are estimates for freight planning; the packed unit may ship in a different box.

Allen Bradley Information

Technical Specifications10 parameters from manufacturer-published specifications

Lifecycle	Active Verify current status with the manufacturer.
Controller family	CompactLogix 5370
User memory	3 MB
EtherNet/IP nodes supported	48
Local expansion I/O	Up to 30 × 1769 Compact I/O modules
Motion	Integrated Motion on EtherNet/IP, up to 16 axes
Tasks / programs	32 tasks; 100 programs per task
Embedded communication	2 × EtherNet/IP ports with embedded switch (DLR, linear or star); 1 × USB
Controller connections	256
Memory card	1784-SD1 (1 GB SD, included)
Programming languages	Relay ladder, structured text, function block, sequential function chart

Typical manufacturer-published values for this catalog number; confirm against the current manufacturer documentation before specifying.

Can the 1769-L36ERM be repaired?

Yes. NJT Automation repairs the 1769-L36ERM by mail-in: diagnostic evaluation, component-level repair and a functional test, backed by a 1-year full-function warranty.

NJT managed repair. No evaluation fee; no repair, no charge. Prepaid UPS label both ways, $650 minimum, rush available. 1-year full-function warranty included, 2- and 3-year options.

Get a repair quoteor text photos and symptoms to (414) 331-5954

Compare quotes from independent repair technicians. Post your repair on RepairMode to receive competitive bids from experienced technicians. Each technician sets their own pricing and warranty.

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Common failures

Failure patterns we regularly see on CompactLogix 5370 L3 controller hardware like the 1769-L36ERM:

Embedded Ethernet port failure or dropped connections on -E / -ER controllers
Solid red OK LED (nonrecoverable major fault) at power-up
Program lost on power cycle: battery (1769-BA) depleted, BAT LED red or flashing
1769 bus faults from a worn local-bus connector or a missing end cap
Channel 0 RS-232 port damaged by a hot-plugged programming cable

Related services:PLC Repair All Repair Services

Photos by NJT Automation; test videos from NJT or network repair technicians.

Still have questions?

Find answers to shipping, warranties, repairs, and more.

Frequently Asked Questions

What is the 1769-L36ERM?

The Allen-Bradley 1769-L36ERM is a CompactLogix 5370 L3 controller, 3 MB user memory, dual EtherNet/IP ports, 48 nodes, 30 Compact I/O (1769) modules in 3 banks, 16-axis integrated motion.

What condition is it in?

The 1769-L36ERM may be available on request in Unused surplus / Refurbished / Used condition. We can quote this part in unused surplus, refurbished, or used condition depending on availability and your preference. Specify your requirement in the RFQ.

How much does it cost?

At NJT Automation, 8 1769-L36ERM CompactLogix 5370 L3 controllers have sold since 2024 for $1,100 – $4,050, with a median of $1,775. By condition, used CompactLogix 5370 L3 controllers went for $1,100 – $1,950 and unused surplus CompactLogix 5370 L3 controllers went for $1,400 – $4,050. None are in stock at the moment; request a quote for current pricing, or have your CompactLogix 5370 L3 controller repaired for an estimated $1,440.

When does this part ship?

The 1769-L36ERM is sourced on request. Request a quote and we'll confirm availability and lead time, typically a few business days.

What communication ports does it have?

Dual EtherNet/IP ports (linear / device-level-ring topologies), USB programming port, SD card slot.

How much memory does it have?

3 MB of standard user memory.