Rockwell Automation 1756-L83E

Plant PC · Line 1 · Okuma LB3000 EX line stopper

Health

95/100 · medium confidenceWorking

Remaining life: 5.4–10 years

Anomaly detectionseverity 0.00

vs. expected for load + ambient	+0.5 °C
EWMA shift (days out of control)	0
CUSUM drift (alarm at 5)	0.0
Trend °C/month (t)	0.4 (2.1)
vs. 12 identical parts (robust z)	0.8

Based on: Label date code (age floor) · Cabinet thermal camera (continuous) · 90-day temperature history (statistical anomaly detection) simulated sensor data

Life used since install (2016)

61%

Expected end of life: 2032 (middle of the typical life range)

active ControlLogix 5580

Recommended action

No action needed.

Order by: March 2032

Fastest delivery: ~6 days + 14-day safety buffer before expected end of life

Financial view

Downtime exposure: $3,850–$28,000 / yr

5% chance of failing this year × 160–400 h down × line cost per hour

Where to get one (6 options)

Source	Seller	Condition	Price	Delivery	Warranty	Trust
Shelf, another plant Recommended	Toledo · qty 3 “CONTROLLOGIX 5580 1756-L83E”	on the shelf	already owned	7 days	-	100
Shelf, another plant	Fort Wayne · qty 5 “CONTROLLOGIX 5580 1756-L83E”	on the shelf	already owned	7 days	-	100
Marketplace	eBay seller (98.6% positive, 1653 sales) not authorized: counterfeit risk, test on arrival	used	$4,990 +$45 ship	6 days	0 mo	52 sample listing
Surplus dealer	Surplus dealer A not authorized: counterfeit risk, test on arrival	used	$6,390	8 days	3 mo	77 sample listing
Manufacturer	Manufacturer direct D	new	$15,760	142 days	12 mo	98 sample listing
Authorized distributor	Authorized distributor F	new	$16,320	136 days	12 mo	96 sample listing

Recommended order: a spare already on a shelf, then the manufacturer or your usual authorized distributor (for discontinued parts, the official successor), then other sources. Sample listings are illustrative until real marketplace data is connected.

Evidence

**Allen-Bradley rack PLC in a production control panel** · real photo of the same manufacturer's PLCs · Photo: Elmschrat Coaching-Blog, CC BY-SA 3.0, via Wikimedia Commons

**Allen-Bradley PLC rack inside a machine cabinet** · real photo of the same manufacturer's PLCs · Photo: Elmschrat, CC BY-SA 3.0, via Wikimedia Commons

**Allen-Bradley ControlLogix CPU in a panel** · real photo of this product family · Photo: Dailynetworks at English Wikipedia, Public domain, via Wikimedia Commons

The label photo image recognition read:

PC-IMG0064 · rendered photo · quality: ok

Image recognition read: 1756-L83E C

Read confidence 0.93 · overall 0.93 · reviewer not yet reviewed

Lifecycle source and alternatives

ControlLogix 5580 controller 10MB

Source (official): https://www.rockwellautomation.com/en-us/products/details.1756-L83EK.h…