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ABB PM591-ETH AC500 PLC CPU with Ethernet
ABB PM591-ETH AC500 PLC CPU with Ethernet
ABB PM591-ETH AC500 PLC CPU with Ethernet

ABB PM591-ETH AC500 PLC CPU with Ethernet

ABB AC500 · PLC CPU

PM591-ETH

The PM591-ETH is an ABB AC500 PLC CPU with 4096 kB program memory, 3072 kB data memory and an RJ45 Ethernet interface. COM1 and COM2 are configurable for RS232 or RS485.

PRODUCT TYPEPLC CPU
PLATFORMAC500
MEMORYVERIFY NAMEPLATE
ONBOARD I/OETH · COM1 · COM2
MANUFACTURERABB
CONDITION / WARRANTYOriginal New · One-Year Warranty
ISO CERTIFICATIONISO-Certified Product
VERIFICATION● Product photos and videos provided after inquiry
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MODEL SEARCHFind a specific part numberOpen the best-matched Moore Automation product page directly.
ABB ● PLC CPU
ABB AC500 PLC CONTROLLER

PM591-ETH

PLC CPU

4096 KB PROGRAM · 3072 KB DATA · ETHERNET

MODULE ROLE
PM591-ETH is an ABB AC500 PLC CPU with 4096 kB program memory, 3072 kB data memory and an RJ45 Ethernet interface. COM1 and COM2 can be configured for RS232 or RS485.
CONFIGURATION NOTE
For PM591-ETH, confirm CPU firmware, terminal base, Ethernet settings, COM1 and COM2 configuration, field wiring and Control Builder project compatibility before replacement.
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Frida
Sales Leader 🏆
EMAILsales5@mooreplc.com WHATSAPP+86 153 5940 8275
ORDER NUMBER BREAKDOWN

How the model code identifies this product

PM591
Base modelAC500 processor module
ETH
Interface variantIntegrated RJ45 Ethernet
MANUFACTURER-REFERENCE CHARACTERISTICS

Technical Specifications

ABB AC500 ↗
PM591-ETH PLC CPU

Engineering data at a glance

Click “+” to expand more specifications.

MODELPM591-ETH
PLATFORMAC500
MEMORY4096 kB program · 3072 kB data
ONBOARD I/OETH · COM1 · COM2
Confirm the complete PM591-ETH order code, CPU firmware and terminal base.
Official product verification Verify the complete model PM591-ETH and confirm CPU firmware, terminal base, Ethernet settings, serial-interface configuration, wiring and Control Builder project before ordering.
General Information −
BrandABB
Part numberPM591-ETH
Product typePLC CPU
Product familyABB AC500
Model statusAC500 processor module
PlatformAC500
CPU IDENTIFICATION ＋
Interface suffixETH
Official order code4096 kB program · 3072 kB data
Current replacementVerify with ABB before replacement
ONBOARD I/O & POWER ＋
Memory4096 kB program · 3072 kB data
Onboard I/OEthernet with two configurable serial interfaces
Power supply24 V DC through a compatible terminal base
Option board capacityRJ45 Ethernet interface
DocumentationRequest exact ABB reference if required
DOCUMENTATION & ORDER CHECK ＋
Reference: Confirm the exact PM591-ETH order data and hardware revision with ABB.
Source: ABB manufacturer-reference information; confirm the exact PM591-ETH order data before replacement.
FAQ

Questions Buyers Ask Most

What is PM591-ETH used for?＋

PM591-ETH is an ABB AC500 PLC CPU for larger automation applications. It provides 4096 kB program memory, 3072 kB data memory, an RJ45 Ethernet interface and two configurable serial interfaces.

What memory capacities are specified for PM591-ETH?＋

PM591-ETH provides 4096 kB program memory and 3072 kB data memory. Confirm the compiled project, retained-data requirements and firmware compatibility before migration; capacity alone does not establish replacement compatibility.

Does RS485 on PM591-ETH guarantee support for a specific protocol?＋

No. PM591-ETH allows COM1 and COM2 to be configured for RS232 or RS485, but the physical interface does not define the protocol. Verify the Control Builder project, communication settings and connected equipment before commissioning.

What must be checked before replacing PM591-ETH?＋

Before replacing PM591-ETH, confirm CPU firmware, terminal base, Ethernet settings, COM1 and COM2 configuration, memory use, field wiring and the Control Builder project. Another AC500 CPU should not be treated as a direct replacement without these checks.

CONTACT PRODUCT SPECIALIST

Check your configuration with Frida

Share the complete order number and application details for compatibility, availability and lead-time checking.

CHOOSE A DIRECT CONTACT METHOD
DATA SHEET

Product Information for
PM591-ETH

Official manufacturer-reference status for ABB PM591-ETH.

ABB AC500 CPU Official Manual

ABB official AC500 system manual covering PM591-ETH memory, Ethernet, COM1, COM2 and terminal-base requirements.

OFFICIAL DATASHEET

Contact to Get Support

Send the complete model, quantity, and your technical or purchasing question.

Technical statements on this page are based on the official ABB AC500 system manual.

ABB AC500 PLC RELATIONSHIP

How PM591-ETH Fits into ABB AC500

ABB is the brand; ABB AC500 is the product family; and PM591-ETH is an AC500 PLC CPU with Ethernet and configurable COM1 and COM2 serial interfaces.

ABB · BRAND
ABB AC500PLC CPU
SYSTEM ROLE

PLC CPU

Confirm CPU firmware, terminal base, Ethernet and serial-interface settings before replacement.

ONBOARD I/O

ETH · COM1 · COM2

The ETH version adds an RJ45 Ethernet interface; COM1 and COM2 can be configured for RS232 or RS485.

ORDER DATA

PM591 processor · ETH interface variant

Do not treat another AC500 CPU as a direct replacement without checking memory, firmware, terminal base and project compatibility.

System relationship: verify the complete order code, CPU revision, onboard I/O, Ethernet configuration, firmware, wiring and application requirements.
APPLICATION AREAS

Application mind map for PM591-ETH

Large AC500 ControlRun larger AC500 control applications with 4096 kB program memory
Ethernet IntegrationETH · COM1 · COM2 for direct field-signal integration
APPLICATION CENTER PM591-ETH PM591-ETH · 4096 kB program · 3072 kB data · Ethernet
Serial Device IntegrationConfigure COM1 and COM2 for the required RS232 or RS485 physical interface
Replacement VerificationCheck memory, firmware, terminal base, wiring and project compatibility.
ABOUT MOORE AUTOMATION

A trusted industrial automation sourcing partner

Moore Automation Limited supplies industrial automation spare parts to customers worldwide, with dedicated sourcing, part-number verification, pre-shipment confirmation and responsive sales support.

Global sourcing Pre-shipment verification One-year warranty
SERVICE

Industrial Automation Order Support

A clear workflow for sourcing, verification, shipment preparation, delivery and product assurance.

STAGESERVICE ACTIONWHAT WE CHECK OR PROVIDE
01PROCUREMENT
Product SourcingCurrent, hard-to-find and discontinued industrial automation parts.
02VERIFICATION
Part Number ReviewComplete model, suffix, nameplate, visible revision and application details.
03CONFIRMATION
Pre-Shipment CheckModel, label, condition and packaging confirmed with actual photos or video.
04FULFILLMENT
Global Delivery
Worldwide delivery with flexible shipping options. We support door-to-door pickup or delivery to your nominated freight forwarder in China.
DHLFedExUPSTNT
05ASSURANCE
One-Year WarrantyOne-year warranty from delivery for products supplied by Moore Automation.
Warranty Claim Information＋
What to provide: If a product-related issue occurs within the warranty period, contact our team and submit one clear, continuous video for review.
✓Complete product and nameplate
✓Power supply and wiring connections
✓Installation and operating conditions
✓Indicator lights, alarms or error messages
✓Clear description of the fault
✓Continuous video showing the issue
Review outcome: If the evidence confirms a covered product fault, Moore Automation will arrange the appropriate warranty solution.
SALES ASSISTANCE

Contact Sales Manager Frida

Include the complete part number, quantity and delivery destination.

EMAILsales5@mooreplc.com WHATSAPP+86 153 5940 8275
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