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ABB PM591-ETH-XC 1SAP350100R0271 AC500-XC High-performance CPU Item NO.: 2931402

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Product Name	ABB PM591-ETH-XC 1SAP350100R0271 AC500-XC High-performance CPU
Item NO.	2931402
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	ABB
Brand	ABB
Creation Time	2026-11-10

ABB AC500-XC · High-performance Controller

ABB PM591-ETH-XC 1SAP350100R0271 AC500-XC High-performance CPU

Four-megabyte extended-environment CPU with Ethernet, dual serial interfaces and fast 400 MHz processing.

Product Details

ABB PM591-ETH-XC 1SAP350100R0271 is a high-performance AC500-XC CPU with 4,096 kB user program memory. ABB lists a 400 MHz 32-bit Freescale ARM processor, 64 MB RAM and 32 MB flash for this controller generation.

The CPU provides one RJ45 Ethernet connection on the terminal base plus two configurable RS232/RS485 serial interfaces. Minimum instruction times are 0.002 µs for binary operations and 0.004 µs for word and floating-point operations.

Central expansion allows up to ten S500 modules and the published channel limits reach 320 digital or 160 analog I/O. The XC platform supports extreme-condition installations, but terminal-base compatibility, panel protection, power quality and approved environmental practices still govern the finished system.

Official ABB product image for PM591-ETH-XC 1SAP350100R0271

Specifications Overview

BrandABB

Complete modelPM591-ETH-XC 1SAP350100R0271

Controller familyAC500-XC

Product typeHigh-performance PLC CPU

ProcessorFreescale ARM, 32-bit

Processor clock400 MHz

Total RAM64 MB

Total flash32 MB

Program memory4,096 kB

Integrated user data5,632 kB, including 1,536 kB saved

Ethernet1 × RJ45 on terminal base

Serial interfaces2 × configurable RS232/RS485

Minimum instruction time0.002 / 0.004 / 0.004 µs

Supply voltage24 V DC

Central I/O modulesUp to 10

WeightApproximately 0.139 kg

Resource Baseline

A resource baseline links the PM591-ETH-XC hardware figures to the behavior of the real PLC application.

Record compiled use

Capture code, data and retained-memory use after a clean compile. Compare the values with the 4,096 kB program and integrated user-data resources.

Measure task execution

Observe cyclic and time-controlled tasks under normal communication and I/O load. Keep worst-case timing with the project archive, not only the unloaded value.

Reserve service headroom

Leave room for online changes, diagnostics and planned additions. A CPU near its memory or cycle limit is harder to maintain safely even when it still enters RUN.

XC Maintenance Transfer

The replacement record should transfer environmental, communication and software details together.

Capture the physical station

Photograph CPU, terminal base, module order, wiring and enclosure condition. Include labels for the Ethernet and two serial paths.

Archive the software state

Store project source, compiled target, firmware, libraries, retained-value procedure and access credentials according to site policy.

Requalify site protections

After replacement, verify supply stability, grounding, shielding, condensation controls and enclosure sealing. Do not assume the XC designation covers unrelated panel defects.

Product Q&A

What should a resource check include for ABB PM591-ETH-XC 1SAP350100R0271?

Why can ABB PM591-ETH-XC 1SAP350100R0271 run slowly despite fast instruction figures?

What serial details must be restored on ABB PM591-ETH-XC 1SAP350100R0271?

How should an XC enclosure be checked with ABB PM591-ETH-XC 1SAP350100R0271?

Why might ABB PM591-ETH-XC 1SAP350100R0271 lose retained values after service?

What is the first check when ABB PM591-ETH-XC 1SAP350100R0271 cannot reach RUN?

Enquiry Details

Moore Automation

https://www.mvme.cn/

Moore Automation supports PM591-ETH-XC enquiries with a complete model-and-order-code record. The coordination scope can include product information, requested documents, commercial preparation, packing details and transport tracking.