E3 CPU SR20

HUCEEN E3-200 SMART CPU (Economy)

E3 · 288-1SR20–60-0AA1 · Economy edition

Economy stand-alone E-200 SMART CPU for simple machines: relay outputs, Ethernet and RS485, programmed with STEP 7-Micro/WIN SMART, without expansion support.

Lowest-cost entry to the E-200 SMART family
1 × RJ45 Ethernet (up to 5 connections) + RS485
SR20XP variant with 4AI/3AO on board and 2 × RS485
No expansion modules, RTC or DB boards (stand-alone use)
3-year manufacturer warranty

Genuine — original packaging, manufacturer warranty

Fast — stock items dispatched in 24–48 hrs

Supported — engineering help before and after sale

Key specifications

I/O on CPU: 12DI/8DO up to 36DI/24DO, relay outputs
Ports: 1 × RJ45, 1 × RS485 (2 × RS485 on SR20XP)
Expansion: Not supported
Programming: STEP 7-Micro/WIN SMART
Warranty: 3 years

Specifications are indicative and vary by model. Share your exact part number for a confirmed quotation.

Models & order codes

Order code / model	Description
288-1SR20-0AA1	E3 CPU SR20 · 12DI/8DO · relay
288-1SR30-0AA1	E3 CPU SR30 · 18DI/12DO · relay
288-1SR40-0AA1	E3 CPU SR40 · 24DI/16DO · relay
288-1SR60-0AA1	E3 CPU SR60 · 36DI/24DO · relay
E3 CPU SR20XP	12DI/8DO + 4AI/3AO · 2 × RS485 · stand-alone

Typical applications

Small machinesDryers & compressorsSimple sequencing

About HUCEEN

Shenzhen Huceen Automation Technology (est. 2015, 1 million+ units shipped) builds cost-effective PLCs programmed with the familiar Siemens tools — the E-200 SMART family with STEP 7-Micro/WIN SMART and the H7-1200 series with TIA Portal — plus PROFINET and PROFIBUS remote I/O, HPanel HMIs and HBox / Smart Box IoT gateways on the HCloud platform, all with a 3-year warranty.

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