The Evolution of Process Control: Why the TSXP574823M Still Matters
For decades, industrial automation has evolved from bulky relay panels to compact, networked controllers. The Schneider Electric TSXP574823M represents a pivotal step in that journey. As part of the TSX Micro PLCs series, this compact PLC delivers the processing power needed for process control applications. It handles 10 to 30 simple loops, making it a versatile choice for system integrators and maintenance teams. Whether you are replacing a legacy unit or building a new control panel, this model offers a balance of memory, speed, and connectivity.
What Is the Schneider TSXP574823M?
The TSXP574823M is a programmable logic controller from Schneider Electric. It belongs to the TSX Micro PLCs product line. This unit is designed for process control, with dedicated channels that manage 10 to 30 simple loops. A RESET button on the front panel initiates a cold start when pressed, simplifying system resets during commissioning or recovery. The PLC supports up to 16 racks, allowing extensive I/O expansion. With 1024 discrete I/O and 80 analogue I/O capacity, it fits mid-sized applications that require both digital and analogue signals.
Key Technical Specifications
The TSXP574823M offers robust memory and processing features. Internal RAM provides 48 Kwords for program and data storage. When you add a PCMCIA card, program memory expands to 160 Kwords, and data storage reaches 2688 Kwords. Two PCMCIA slots are available: one for memory extension and another for a communication card or a 4 Mb SRAM memory extension card. Execution time is 0.19 µs per Boolean instruction without a PCMCIA card, and 0.21 µs with one installed. This speed ensures responsive control for fast tasks.
Connectivity includes a non-isolated serial link with two female mini-DIN ports at 19.2 kbit/s and Ethernet TCP/IP via RJ45 at 10/100 Mbit/s. The communication module processor supports one fieldbus module (none if CANopen is used), up to four AS-Interface bus modules, and one CANopen connection. The application structure includes one master task, one fast task, and 64 event tasks. A display block with five LEDs on the front panel provides operational status feedback.
Industry Applications and Replacement Scenarios
This PLC excels in process control environments. In water treatment plants, it manages 10 to 30 simple loops for flow and pressure. The 80 analogue I/O capacity handles sensor inputs, while 1024 discrete I/O controls pumps and valves. For manufacturing lines, the Ethernet TCP/IP port enables integration with supervisory systems. The 16-rack support allows centralized control of multiple machine sections.
As a replacement part, the TSXP574823M is a direct fit for existing TSX Micro installations. Its PCMCIA slots accept legacy memory and communication cards, preserving your original architecture. The RESET button simplifies cold starts after power loss or maintenance. If you are upgrading from an older controller, this model reduces downtime because it uses the same programming environment and I/O modules.
Installation and Setup Guidance
Mount the TSXP574823M in a control cabinet with adequate ventilation. Use the designated mounting holes and ensure the unit is securely fastened. For wiring, connect the non-isolated serial link to your programming terminal or HMI. The Ethernet RJ45 port connects to your network switch. Always follow local electrical codes and the manufacturer’s installation manual. Before power-up, verify that all PCMCIA cards are seated correctly. The RESET button should only be pressed when a cold start is required, as it clears the current program state.
Maintenance and Reliability
Regular inspection keeps the TSXP574823M running reliably. Check the five LEDs on the front panel for fault indications. Clean the exterior with a dry cloth when needed. Ensure the cabinet temperature stays within the operating range specified by Schneider Electric. Inspect connections for tightness and corrosion. Because the unit uses PCMCIA cards, verify that cards are firmly inserted. For safety-related applications, always follow the manufacturer’s safety manual and perform periodic functional tests.
Compatibility and Integration
The TSXP574823M integrates with existing TSX Micro racks and I/O modules. It communicates over Ethernet TCP/IP and serial links. The communication module processor supports fieldbus, AS-Interface, and CANopen modules, allowing connection to a wide range of devices. This flexibility makes it suitable for both new installations and legacy system upgrades. If you need to replace a faulty unit, the TSXP574823M maintains compatibility with your current wiring and programming.
Selection Guide
Before purchasing, verify your application’s I/O count and loop requirements. The TSXP574823M supports up to 1024 discrete I/O and 80 analogue I/O, so confirm these limits match your needs. Check that you have the correct PCMCIA cards for memory or communication. The unit weighs 1.00 lbs (0.45 kg) and ships in a package measuring 3.5 in x 7.09 in x 10.2 in. For reliable supply, consider SpareTechPLC as your source for this and other Schneider Electric automation parts. Please verify current lifecycle status and availability with SpareTechPLC before ordering.
Frequently Asked Questions
What is the purpose of the RESET button on the TSXP574823M?
Pressing the RESET button causes a cold start of the PLC, which resets the system and clears the current program state.
How much memory does the TSXP574823M have?
It includes 48 Kwords of internal RAM for program and data. With a PCMCIA card, program memory expands to 160 Kwords and data storage to 2688 Kwords.
Can the TSXP574823M connect to Ethernet?
Yes, it has an Ethernet TCP/IP port via RJ45 supporting 10/100 Mbit/s, along with a non-isolated serial link.
What types of communication modules does it support?
The communication module processor supports one fieldbus module (none if CANopen is used), up to four AS-Interface bus modules, and one CANopen connection.
How many racks can the TSXP574823M support?
It supports up to 16 racks, allowing extensive I/O expansion for larger systems.
