PM590-ARCNET 1SAP150000R0261 | ABB | AC500 PLC Processor Module

Product Overview

The ABB PM590-ARCNET (1SAP150000R0261) represents the high-performance tier of the modular AC500 PLC platform. Designed for complex, time-critical automation tasks, this CPU features a dedicated ARCNET interface to facilitate deterministic networking across large-scale industrial systems. With a massive 2MB user program memory and a lightning-fast processing time of 0.002 µs per instruction, it coordinates extensive I/O clusters and high-speed synchronized processes. We supply this processor as 100% Brand New and Original, ensuring your critical infrastructure benefits from factory-certified components and peak computational stability.

Technical Specifications

The PM590-ARCNET optimizes system throughput via high-density memory and rapid logic execution:

• Processor Type: AC500 High-Performance CPU

• User Program Memory: 2 MB

• Total Storage Capacity: 5120 kB

• User Data Memory: RAM-based architecture

• Controller Processing Time: 0.000002 ms (0.002 µs) per instruction

• Integrated Interfaces: ARCNET, 2x RS232/485 (Configurable), 1x FieldBusPlug (FBP)

• Display: Integrated Monochrome LCD for local diagnostics

• Rated Voltage: 24 V DC (Range: 20.4 – 28.8 V DC)

• Protection Rating: IP20

• Net Dimensions: 67.5 mm (W) x 76 mm (H) x 62 mm (D)

• Net Weight: 0.157 kg

Engineering Advantages

• Ultra-Fast Deterministic Processing: An instruction execution time of 0.002 µs places this CPU at the top of its class. This responsiveness eliminates scan-time bottlenecks, allowing for the precise control of high-speed packaging lines, turbine controls, and complex multi-axis motion.

• Dedicated ARCNET Networking: The on-board ARCNET interface provides a deterministic, token-passing network environment. This architecture prevents data collisions and ensures consistent communication timing, which is essential for synchronized distributed control across multiple PLC nodes.

• Massive Memory Headroom: 2MB of program memory and 5MB of total storage accommodate the most demanding application projects. This capacity handles extensive data logging, large-scale recipe management, and complex user-defined libraries without requiring external memory modules.

• Multi-Port Serial Versatility: Two independent RS232/485 ports allow for simultaneous communication with diverse field devices. Engineers configure these ports to manage Modbus RTU, ASCII, or proprietary serial protocols while maintaining the primary network backbone via ARCNET.

• Direct Local Diagnostics: The integrated LCD provides real-time access to error codes, system status, and firmware versions. This local interface enables maintenance staff to identify hardware or network faults instantly at the cabinet rail without requiring a laptop connection.

FAQs

• Does the PM590-ARCNET require a specific Terminal Base? Yes. You must install the PM590-ARCNET on a compatible ABB AC500 Terminal Base (such as the TB5xx series). The terminal base manages the 24V DC power distribution and provides the physical terminals for the ARCNET and serial connections.

• What is the benefit of ARCNET over standard Ethernet in this context? ARCNET offers a deterministic communication protocol that is highly resistant to industrial noise. In systems requiring fixed, repeatable response times across many nodes, ARCNET provides predictable performance that standard, non-switched Ethernet may lack.

• Can I expand the I/O count of this CPU? The PM590-ARCNET supports the full range of S500 expansion modules. You simply attach digital, analog, or specialty I/O modules to the local bus of the terminal base to increase your field-level signal count.

• How does the FieldBusPlug (FBP) port enhance the system? The FBP interface allows this CPU to bridge into other fieldbus environments like PROFIBUS DP or CANopen using the appropriate external plug. This flexibility ensures the PM590-ARCNET remains compatible with various plant-wide networking standards.