Health
1/100 · medium confidenceReplace ASAP
Remaining life: 0–0.1 years
- runs at 51°C, +6°C vs. its 45°C design point: ages 1.5× faster
- slow warming: CUSUM 240 (alarm at 5)
- 3 fault(s) logged in the last 12 months
Anomaly detectionseverity 1.00
| vs. expected for load + ambient | +3.5 °C |
| EWMA shift (days out of control) | 36 |
| CUSUM drift (alarm at 5) | 240.3 |
| Trend °C/month (t) | 3.0 (1.7) |
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 (2000)
187%
Expected end of life: 2026 (middle of the typical life range)
discontinued ControlLogix 5560
Recommended action
Covered: a spare is on this plant's own shelf. Swap it in when needed and restock one now. Plan migration to 1756-L81E.
Order by: Covered by a spare on this plant's shelf
Fastest delivery: ~1 days + 14-day safety buffer before expected end of life
Financial view
Downtime exposure: $953–$11,088 / yr
99% chance of failing this year × 2–8 h down × line cost per hour
Money model says: use shelf spare
spare PC-S002 on the shelf at this plant
Part value (real listings): $4,040–$6,810
Where to get one (5 options)
| Source | Seller | Condition | Price | Delivery | Warranty | Trust |
|---|---|---|---|---|---|---|
| Marketplace Recommended | eBay seller (99.3% positive, 2493 sales) not authorized: counterfeit risk, test on arrival | used | $2,770 +$25 ship | 9 days | 0 mo | 74 sample listing |
| Surplus dealer | Surplus dealer D not authorized: counterfeit risk, test on arrival | used | $3,340 +$80 ship | 8 days | 3 mo | 77 sample listing |
| Refurbisher | Industrial refurbisher C not authorized: counterfeit risk, test on arrival | refurbished | $4,040 +$80 ship | 2 days | 24 mo | 81 sample listing |
| Refurbisher | Industrial refurbisher A not authorized: counterfeit risk, test on arrival | new surplus | $6,810 +$80 ship | 10 days | 24 mo | 84 sample listing |
| Marketplace | eBay seller (99.0% positive, 1367 sales) not authorized: counterfeit risk, test on arrival | for repair | $900 +$25 ship | 11 days | 0 mo | 64 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



The label photo image recognition read:

PC-IMG0063 · rendered photo · quality: ok
Image recognition read: 1756-L61 C
Read confidence 0.97 · overall 0.97 · reviewer not yet reviewed
Lifecycle source and alternatives
ControlLogix 5561 controller 2MB
Official successor: 1756-L81E
Source (official): https://www.rockwellautomation.com/en-us/products/details.1756-L61.htm…
- 1756-L81E · successor · migration: new firmware/program conversion, wiring and mounting check