PM554-TP-ETH 1SAP120600R0071 | ABB AC500-eCo PLC Processor Module

Product Overview

The ABB PM554-TP-ETH (1SAP120600R0071) functions as a high-performance, compact central processing unit within the AC500-eCo entry-level PLC family. This specific model integrates an on-board Industrial Ethernet interface, bridging the gap between small-scale machine control and plant-wide networking. It features 128kB of user memory and a built-in I/O array consisting of 8 digital inputs and 6 digital transistor outputs. We supply this unit as 100% Brand New and Original, ensuring your decentralized automation systems operate with factory-sealed, manufacturer-certified hardware.

Technical Specifications

The PM554-TP-ETH delivers precise control through a high-speed internal architecture:

• Processor Type: AC500-eCo CPU

• Memory Size: 128 kB (User Data) / 142 kB (Internal RAM)

• Processing Time: 0.00008 ms per instruction

• On-board Ethernet: 1 x RJ45 Industrial Ethernet

• Serial Interface: 1 x RS-485

• Digital Inputs: 8 Channels (24V DC)

• Digital Outputs: 6 Channels (Transistor, 24V DC)

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

• Option Slots: 2 x Slots for additional functional submodules

• Dimensions: 82 mm (W) x 135 mm (H) x 74 mm (D)

• Net Weight: 0.287 kg

Engineering Advantages

• Integrated Ethernet Gateway: The on-board Ethernet port supports Modbus TCP and HTTP protocols. This allows the CPU to communicate directly with SCADA systems, HMI panels, or web-based monitoring tools without requiring additional communication couplers.

• Ultra-Fast Execution: A processing time of 0.00008 ms per instruction ensures high-speed logic execution. This deterministic performance effectively handles complex mathematical operations and fast-cycle industrial processes with minimal jitter.

• Solid-State Reliability: The 6 digital transistor outputs support high-frequency switching and Pulse Width Modulation (PWM). Unlike mechanical relays, these outputs eliminate contact wear, making them ideal for driving sensitive electronic actuators or high-speed solenoid valves.

• Enhanced Connectivity Expansion: Two integrated option slots accommodate additional serial interfaces or specialized I/O submodules. This feature allows engineers to tailor the controller’s hardware profile to specific machine requirements without increasing the physical footprint.

• Compact Vertical Integration: The 82 mm width optimizes DIN rail density. Its rugged housing withstands industrial cabinet environments, providing a space-saving solution for machine builders who require advanced networking in restricted enclosures.

FAQs

• Can the PM554-TP-ETH host a local web server for diagnostics?

  Yes. The integrated Ethernet port supports web server functionality. You can host simple visualization pages directly on the CPU, enabling remote monitoring of process variables via a standard web browser on a networked PC.

• What is the advantage of the Transistor (TP) outputs over Relay types?

  Transistor outputs offer nearly infinite switching cycles and support high-speed pulse applications like PWM. This eliminates the mechanical failure risks associated with relays, providing a much longer service life in high-cycle automation.

• How do the option slots expand the system?

  The two option slots allow you to add RS-232 or RS-485 submodules. This enables simultaneous communication with multiple field devices, such as barcode scanners and frequency drives, while the main Ethernet port handles the primary network uplink.

• Does this PLC require a separate backup battery?

  The PM554-TP-ETH utilizes non-volatile memory for program storage. However, you should check your specific application needs for retentive data; if required, you can add an optional battery module or capacitor to ensure data persistence during power loss.