6ES72266BA320XB0 vs 6ES75221BH100AA0

Comparison matrix

Industrial parameter delta view (differing rows only). Toggle highlight to stress changed cells for cabinet retrofit reviews.

Highlight differences

Normalized specification differences for 6ES72266BA320XB0 and 6ES75221BH100AA0
Parameter	6ES72266BA320XB0	6ES75221BH100AA0
Operating temperature	0°C to 55°C	30°C to 60°C
Approvals	CE, FM, UL	-
For Use With/related Products	SIMATIC S7-1200	SIMATIC S7-1500
Ingress protection	IP20	-
Number of inputs and type	16 - Digital	-
Number of outputs and type	-	16 - Solid State
Series	SIMATIC S7-1200	SIMATIC S7-1500
Type	Input Module	Output Module

Table lists differing catalog rows only; highlight calls attention to the delta cells.

Catalog selection insight

One-line delta from headline spec rows — screening language only, not a suitability or substitution decision.

6ES72266BA320XB0: catalog temperature / environment row differs from 6ES75221BH100AA0 (0°C to 55°C vs 30°C to 60°C) — map both ranges to your cabinet ambient and cold-start; confirm grade and test corners in the datasheet.

Technical screening notes (catalog snapshot)

Deterministic text from normalized spec keys — not live field-application-engineering advice or manufacturer sign-off.

Technical screening note for 6ES72266BA320XB0 vs 6ES75221BH100AA0: this catalog snapshot lacks obvious isolation/EMC/protocol rows — expand the PDP specification table or open the PDF for creepage, surge, and bus timing before any design change.

Catalog screening tiers (heuristic)

Three non-authoritative screening tiers (mechanical token, functional checklist, planning notes) mirror the JSON-Ld ItemList on this page — not manufacturer substitution letters or field approvals.

Mechanical / packaging row (not interchange)
No substantive shared package token — treat as independent mechanical designs, not a hot swap, until your own checks pass.
Functional screening checklist
Run isolation, supply range, bus timing, and software/runtime checks against your deployed baseline. Matching tokens here do **not** prove interchange — only your qualification tests do.
Design-change planning notes
If you intend a product change, favor wider temperature, higher isolation withstand, or newer fieldbus only **after** manufacturer guidance, software licensing, and enclosure clearance are confirmed — not from this matrix alone.

Tool-style compare: isolation, supply, IP, rail, fieldbus, and EMC rows are surfaced first when present. Open each PDP for PDF revisions and RFQ.

Compatibility screening (catalog text)

Same deterministic tiers as the compare module above — for engineering checklists only, not approved alternates. Supply, protocol, and processor headline mismatches surface as warnings when present.

1. Mechanical / packaging row (not interchange)
No substantive shared package token — treat as independent mechanical designs, not a hot swap, until your own checks pass.
2. Functional screening checklist
Run isolation, supply range, bus timing, and software/runtime checks against your deployed baseline. Matching tokens here do **not** prove interchange — only your qualification tests do.
3. Design-change planning notes
If you intend a product change, favor wider temperature, higher isolation withstand, or newer fieldbus only **after** manufacturer guidance, software licensing, and enclosure clearance are confirmed — not from this matrix alone.

Technical compliance & certifications

Values below are extracted from normalized catalog specification keys and brand-level certification lists (where present). They mirror manufacturer datasheet legends when those strings were captured in the catalog row — not a certificate download. This page was machine-aligned on 2026-05-12 for technical selection support only; it is not the sole basis for installation or safety sign-off in your jurisdiction.