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    Apter Power supports quotations, TB523-2ETH checks, documentation, and dual-network review for PM591-2ETH.

PM591-2ETH 1SAP150100R0277

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ABB PM591-2ETH 1SAP150100R0277 is an AC500 processor with 4 MB program memory, two onboard Ethernet interfaces, one serial interface, and display.
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Technical specifications for PM591-2ETH 1SAP150100R0277

  • Manufacturer:
    ABB
  • Part Number:
    PM591-2ETH 1SAP150100R0277
  • Product Family:
    ABB AC500
  • Product Type:
    Dual-Ethernet AC500 Processor Module
  • Stock:
    1
  • Program Memory:
    4096 kB
  • Data Memory:
    5632 kB, including 1536 kB buffered
  • Power Supply:
    24 V DC
  • Ethernet:
    2 onboard interfaces
  • Serial Interface:
    1 configurable RS-232/485
  • Required Terminal Base:
    TB523-2ETH
  • Display:
    LCD with function keys
  • Processor:
    32-bit ARM, 400 MHz
  • Protection Rating:
    IP20
  • Weight:
    0.137 kg
  • Estimated shipping dimensions:
    6.2 × 7.6 × 6.75 cm
  • Tariff Code:
    85389091
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Dual Ethernet Terminal Base Commissioning

Features:

  • Two onboard Ethernet interfaces: The R0277 configuration provides two documented network ports.
  • Dedicated terminal base: ABB requires TB523-2ETH for this processor variant.
  • 4 MB CPU with one serial port: The module retains PM591 processing with one configurable RS-232/485 interface.
The R0277 order code distinguishes this dual-Ethernet CPU from the single-Ethernet PM591-ETH R0271 configuration.

Each Ethernet interface provides the ABB-listed network services independently, supporting an approved two-network controller design.

Confirm TB523-2ETH, port assignments, IP ranges, routing and security policy, serial use, and the controller project before installation.

Availability is subject to Apter Power inventory and sourcing confirmation.

PM591-2ETH 1SAP150100R0277 Manuals, Datasheets, and Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

PM591-2ETH 1SAP150100R0277 Dual-Ethernet AC500 Processor Module Specifications

General

  • ManufacturerABB
  • ModelPM591-2ETH 1SAP150100R0277
  • ConditionNew and factory sealed
  • Product FamilyABB AC500

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Two-network planning

  • Port roles: Document the approved purpose of each Ethernet interface.
  • Address ranges: Keep the two IP plans and subnet boundaries unambiguous.
  • Services: Enable only the protocols required on each interface.
  • Security: Apply the site segmentation and remote-access policy.

TB523-2ETH checks

  • Base identity: Verify TB523-2ETH on the installed hardware label.
  • Connectors: Match both Ethernet ports and the serial terminal arrangement.
  • Module slots: Review the two communication-module positions.
  • Wiring record: Save supply and network cable identification before replacement.

Dual-port startup checks

  • Project: Load the approved CPU and terminal-base configuration.
  • Port test: Test each Ethernet interface separately.
  • Serial test: Verify the single RS-232/485 channel if used.
  • Diagnostics: Resolve addressing, routing, or controller alarms before service.
Description
PM591-2ETH 1SAP150100R0277 is an ABB AC500 processor module with 4 MB program memory, two onboard Ethernet interfaces, one configurable RS-232/485 interface, a display, and 24 V DC operation.

PM591-2ETH 1SAP150100R0277 supports two documented Ethernet communication paths in the AC500 architecture. ABB states that each interface provides the listed Ethernet services independently, while the remaining serial interface supports programming and the specified serial protocols.

Before ordering PM591-2ETH 1SAP150100R0277, confirm the dedicated TB523-2ETH terminal base, both network plans, serial requirements, firmware and project version, and the complete R0277 order code.
Alternative Names
PM591-2ETH 1SAP150100R0277 PM591-2ETH PM591 2ETH PM5912ETH 1SAP150100R0277 ABB PM591-2ETH AC500 PM591-2ETH PM591 Dual Ethernet PLC CPU
Technical notes
PM591-2ETH 1SAP150100R0277 is the dual-Ethernet PM591 variant and requires the dedicated TB523-2ETH terminal base. Verify both networks and the single serial interface.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
When should PM591-2ETH be chosen instead of PM591-ETH?
Choose it only when the approved architecture requires two onboard Ethernet interfaces and the dedicated dual-Ethernet terminal base.
Why is TB523-2ETH important for PM591-2ETH?
ABB specifies this terminal base for the R0277 processor; verify the base label, connectors, supply wiring, and module slots.
How should the two PM591-2ETH network ports be documented?
Record each port role, IP address, subnet, gateway, switch connection, enabled services, and security boundary separately.
What should be checked when one PM591-2ETH port communicates and the other does not?
Compare the affected port configuration, cable, switch, address conflict, subnet, enabled services, routing, and project download.
What serial-port limitation should be reviewed for PM591-2ETH?
This variant has one configurable serial interface, so confirm all required devices and protocols fit the approved architecture.
What should a PM591-2ETH quotation request include?
Send the full R0277 nameplate, TB523-2ETH details, quantity, firmware, project version, network roles, condition, and destination.
Can PM591-2ETH use the same terminal base as PM591-ETH?
Do not assume so; ABB identifies TB523-2ETH as the dedicated base for PM591-2ETH.