Buyer’s Guide to the Schneider TSXP574634M PLC Processor
Selecting the right processor for a Modicon Premium automation platform is a decision that affects system scalability, communication flexibility, and long-term maintenance costs. The TSXP574634M from Schneider Electric is a Unity processor designed for the TSX Micro PLCs series, and this buyer’s guide breaks down what it offers so you can evaluate it against your specific control requirements.
What the TSXP574634M Delivers
The TSXP574634M is a double-format PLC module that supports either eight racks with twelve slots each or sixteen racks with four, six, or eight slots. That flexibility allows you to scale from compact configurations to larger distributed systems without changing the processor. It handles up to 2040 discrete I/O points and 256 analog I/O points, making it suitable for mid-to-high complexity automation tasks. The processor runs on Unity Pro software and includes a transparent-ready design for networked environments.
Key Technical Parameters at a Glance
| Specification | Value |
|---|---|
| Product Line | TSX Micro PLCs |
| Rack Capacity | 8 racks x 12 slots or 16 racks x 4/6/8 slots |
| Discrete I/O Capacity | Up to 2040 I/O |
| Analog I/O Capacity | Up to 256 I/O |
| Current Consumption | 1880 mA at 5 V DC |
| Internal RAM (with PCMCIA) | 2048 kB program, 440 kB data |
| Internal RAM (without PCMCIA) | 440 kB program and data |
| Communication | Ethernet TCP/IP RJ45, USB 12 Mbit/s, RS485 19.2 kbit/s |
| Boolean Execution Time | 0.039–0.057 µs (without PCMCIA) |
| Floating Point Execution Time | 0.55–0.63 µs |
| System Overhead | Fast task: 0.08 ms; Master task: 1 ms |
| Operating Temperature | 32–140 °F (0–60 °C) |
| Protection | IP20, TC treatment |
| Certifications | CE, UL 508, CSA C22.2 No 213 Class I Division 2 |
Performance That Supports Demanding Applications
The TSXP574634M executes Boolean instructions in as little as 0.039 microseconds and floating-point operations between 0.55 and 0.63 microseconds. With a fast task overhead of just 0.08 ms and a master task time of 1 ms, it handles time-critical control loops without excessive latency. The processor delivers up to 15.75 Kinst/ms for 100% Boolean instructions, giving you headroom for complex logic. Memory options range from 440 kB program and data without a PCMCIA card to 2048 kB program plus 440 kB data with one, and a PCMCIA card adds 16384 kB of additional data storage.
Communication and Integration
Three integrated connection types simplify integration: an Ethernet TCP/IP RJ45 port supporting 10BASE-T/100BASE-TX, a USB port at 12 Mbit/s, and a non-isolated serial link via female mini-DIN RS485 at 19.2 kbit/s. The processor supports up to four communication modules, and the Ethernet port includes LEDs for link diagnostics, activity, and collision detection. This makes the TSXP574634M a strong fit for plants that need both local programming access and plant-floor network connectivity.
Where It Fits in Real Systems
Manufacturing cells with multiple remote racks benefit from the 16-rack capability, which reduces the need for additional processors. Process control applications can use the 20 to 60 simple loops supported by the processor’s channel capacity. For facilities upgrading from older Modicon platforms, the TSXP574634M offers a migration path within the Premium automation platform while retaining Unity Pro as the engineering environment.
Installation and Setup Considerations
Mount the module in a compatible Premium rack and ensure the 5 V DC power supply can deliver the required 1880 mA. Use the RUN, ERR, and I/O LEDs for immediate status checks during commissioning. The IP20 rating means the processor belongs inside a protected cabinet, and the TC protective treatment helps resist harsh industrial atmospheres. Operating altitude is limited to 2000 m, and relative humidity should stay between 10% and 95% without condensation.
Maintenance and Reliability
Periodic inspection of cabinet filters, rack connections, and LED status indicators helps catch issues early. The processor’s diagnostic LEDs distinguish between processor faults, I/O faults, and Ethernet faults, which speeds up troubleshooting. Because the module has no moving parts, wear is minimal, but keeping the enclosure clean and within the 0–60 °C operating range protects long-term reliability. Always follow Schneider Electric’s safety manual for any maintenance activity.
Compatibility and Selection Checklist
Before buying, confirm your rack type, power budget, and software version. The TSXP574634M works with Unity Pro and supports Concept, and it is part of the Modicon Premium Automation platform. Verify that your application’s I/O count stays within 2040 discrete and 256 analog points. If you need additional data logging, plan for a PCMCIA card. For current lifecycle status and availability, contact SpareTechPLC before ordering.
Frequently Asked Questions
Q: Can the TSXP574634M support both 8-rack and 16-rack configurations?
A: Yes. It supports eight racks with twelve slots each or sixteen racks with four, six, or eight slots.
Q: What communication ports are built in?
A: It includes Ethernet TCP/IP RJ45, USB at 12 Mbit/s, and a non-isolated RS485 serial link at 19.2 kbit/s.
Q: How much memory is available without a PCMCIA card?
A: Without a PCMCIA card, you get 440 kB for both program and data.
Q: What is the current consumption of this processor?
A: The TSXP574634M draws 1880 mA at 5 V DC.
Q: Does it carry industrial certifications?
A: Yes, it holds CE marking, UL 508, and CSA C22.2 No 213 Class I Division 2 certifications.
