SAIA PCA1.M41M4 Processor Unit

SAIA 

SAIA PCA1.M41M4 Processor Unit

Part Number:PCA1.M41M4 

Manufacturer:SAIA 

Product Type:Processor Unit

Architecture: 32-bit RISC CPU

Supply Voltage: 24 V DC ± 20 %

Power Consumption: 8 W typical

Galvanic Isolation: 500 V between supply

Retentive Memory: 128 kB FRAM

Processing Time: 0.1 µs / binary instruction

Real-Time Clock: ± 1 min / month @ 25 °C

The SAIA PCA1.M41M4 is a processor unit from the legacy SAIA programmable controller (PCA) series, originally 

developed by Saia‑Burgess Controls AG as a core CPU module for small‑ to mid‑scale industrial automation systems. 

This processor unit integrates a 32‑bit high‑performance microprocessor, on‑board memory, and communication 

interfaces such as RS‑485 and Ethernet, providing the computational foundation for executing control logic, interfacing 

with I/O modules, and communicating with host systems or HMIs.

 Global Reach & Experience

Serving customers across 60+ countries and regions.

Over 20 years of operation and industry experience.

 Extensive Inventory

Large stock of DCS, PLC, CNC, servo, HMI, drives, power supplies, and obsolete parts.

Rapid access to hard‑to‑find discontinued modules, minimizing production downtime.

 Service & Support

Dedicated sales and technical team for fast quotation and part sourcing.

Professional after‑sales support available via email, phone, and WhatsApp.

 Quality Assurance

Parts are fully tested and certified before delivery.

12‑month warranty provided for stocked inventory.

✔ Urgent spare part replacement during production downtimes

✔ Maintaining legacy control systems with discontinued modules

✔ Global manufacturing facilities requiring cross‑brand part solutions

✔ Integration support for complex PLC, DCS, or servo systems

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