Product Overview

The Schneider Electric TSXP573623M Dual-Format PL7 Processor is a programmable logic controller (PLC) processor designed for the Modicon TSX Premium automation platform. It serves as the central processing unit of a compatible PLC station, executing control programs, processing input data, coordinating outputs, and managing communication with other automation devices.

In industrial automation, a PLC processor is responsible for translating programmed control logic into coordinated machine or process operations. It receives information from digital and analog input modules, evaluates the control program, and updates output commands according to configured logic and process conditions. The processor also supports communication with programming tools, operator interfaces, and other compatible control-system components.

The TSXP573623M belongs to an established generation of Schneider Electric industrial controllers that use the PL7 programming environment. It is intended for applications requiring centralized control of distributed field signals, equipment interlocking, sequencing, and process coordination.

According to the product-family documentation, the processor supports substantial I/O capacity for its generation, including up to 1,024 discrete I/O points and 128 analog I/O points, subject to the system configuration. Its integrated connectivity includes Ethernet TCP/IP and serial communication interfaces, allowing it to participate in appropriately designed industrial control networks.

The processor is commonly relevant to maintenance and spare-parts requirements for legacy manufacturing systems, process equipment, and production lines built around the TSX Premium platform. When replacing an existing unit, engineers must verify the complete model number, rack compatibility, installed memory, program backup, communication configuration, and firmware requirements.

The TSXP573623M is discontinued, and its standard service period has ended. Buyers should therefore assess the condition and authenticity of available stock carefully, particularly when the processor is required to maintain a production-critical installation.

Technical Specifications

Note: I/O capacity, memory availability, and communication options depend on the actual processor configuration and installed system components. The dimensions and weight above are the supplied listing values; verify the physical unit and packaging before using them for shipping or installation planning.

Function and Working Principle

The TSXP573623M functions as the main processing element of a compatible PLC system. Its primary role is to execute the user program and coordinate the information exchanged between the controller, field devices, and connected automation equipment.

1. PLC Program Execution

The processor executes logic written in the supported PL7 programming environment. Depending on the application, the program may contain interlocking conditions, sequential operations, timers, counters, arithmetic calculations, alarms, and equipment-control routines.

For example, in a packaging machine, the PLC may check product sensors, confirm that a guard interlock is satisfied, activate a conveyor, and coordinate the next operation when the product reaches a specified position.

The processor evaluates these instructions according to the configured program structure and updates control information for the connected I/O system.

2. Digital and Analog I/O Management

Industrial controllers receive information from field sensors and transmit commands to actuators.

Digital inputs can represent conditions such as a limit switch being activated, a motor contactor being ready, or a machine guard being closed. Digital outputs can control suitable relays, indicator lights, solenoid valves, and other discrete devices.

Analog inputs provide variable measurements such as temperature, pressure, flow, or level when connected through compatible analog modules. Analog outputs can provide control references to suitable equipment.

The TSXP573623M’s documented I/O capacity allows it to support sizeable control configurations when the rack, power supply, I/O modules, and application design are compatible.

3. Sequential and Process Control

The processor can coordinate multi-step operations by evaluating operating conditions and advancing the control sequence when required criteria are met.

In a production line, for example, a sequence may include checking material availability, starting a conveyor, waiting for a sensor response, and enabling a downstream machine.

For suitable process applications, the TSX Premium platform also supports process-control functions through the appropriate hardware and software configuration. The number and complexity of supported control channels depend on the complete system design.

4. Communication and Data Exchange

The processor’s integrated Ethernet and serial interfaces enable communication with compatible engineering tools and automation devices.

Ethernet TCP/IP can support data exchange with appropriately configured supervisory systems, operator interfaces, and other networked equipment. Serial communication can be used where the application relies on supported serial connections.

Actual communication compatibility depends on the connected device, software configuration, network architecture, and the protocols supported by the specific installation.

5. Memory and Program Storage

The controller uses processor memory to store and execute application data. Supported PCMCIA memory cards can provide additional storage capacity, depending on the card type and intended function.

Memory configuration is particularly important when replacing a processor in an existing installation. The replacement must support the application’s program size, stored data, and required memory-card configuration.

A compatible processor alone does not guarantee that an existing program can be restored without additional commissioning work.

Role in Industrial Control Systems

The TSXP573623M acts as the central controller within a compatible Modicon TSX Premium PLC station. It coordinates field I/O, executes automation logic, and exchanges information with connected equipment.

PLC-Based Machine Control

The processor can manage equipment such as conveyors, packaging machinery, assembly systems, and material-handling installations. Its control program evaluates sensor states and operating conditions before issuing commands to actuators.

This centralized logic helps maintain consistent equipment sequencing and supports coordinated operation across multiple machine sections.

Process Monitoring

When connected to appropriate analog input modules and sensors, the PLC can acquire process measurements such as pressure, temperature, and flow. The application program can then compare the readings with configured limits and execute control actions or alarms.

Measurement accuracy and signal compatibility depend on the connected field instruments and I/O modules rather than the processor alone.

Supervisory System Integration

Ethernet connectivity can support communication with compatible supervisory systems and operator interfaces. Depending on the installation, these systems may display process values, equipment status, alarms, and operating parameters.

Network integration requires suitable addressing, protocol configuration, and compatible software. The presence of an Ethernet port does not mean every modern industrial protocol is natively supported.

Equipment Interlocking and Sequencing

The processor can execute permissive checks and interlocks that coordinate machine operation. For example, a pump may be permitted to start only when the relevant valve position, tank level, and equipment-ready conditions are satisfied.

Safety-related functions must be designed using appropriate safety-rated hardware and architecture where required. A standard PLC processor should not be assumed to provide certified safety functions simply because it can execute interlocking logic.

Industrial Applications

The TSXP573623M can be found in legacy industrial installations that use the Modicon TSX Premium platform. Its suitability depends on the existing hardware configuration, program requirements, and the process being controlled.

1. Manufacturing and Assembly Lines

Manufacturing systems frequently require coordination among sensors, motors, pneumatic actuators, and inspection stations. A PLC processor can manage the sequence of operations and respond to equipment status changes.

The TSXP573623M may be relevant to maintaining an existing production line where the control system was designed around the TSX Premium architecture.

2. Material-Handling Systems

Conveyors, transfer stations, and sorting equipment rely on coordinated motion and product detection. The processor can evaluate sensor signals and sequence control outputs to support material movement.

The required I/O modules and actuator interfaces must be selected according to the electrical and functional requirements of the machinery.

3. Process Automation

Industrial processes may involve pumps, valves, temperature measurements, pressure transmitters, and flow instrumentation. A compatible TSX Premium system can acquire field data and execute configured control logic.

The availability of analog I/O, process-control channels, and communication modules depends on the complete PLC configuration.

4. Packaging Machinery

Packaging systems often use timers, counters, product sensors, and coordinated equipment sequences. The processor can manage machine states, detect abnormal conditions, and coordinate operations between stations.

When maintaining older packaging equipment, preserving the existing PL7 application and verifying the controller’s hardware compatibility may be important to reducing commissioning time.

5. Utilities and Auxiliary Equipment

The processor may also be used in legacy utility systems that control auxiliary pumps, ventilation equipment, water-treatment processes, or other industrial services.

Application suitability should be assessed against the process requirements, installed I/O modules, communication needs, and the availability of replacement parts.

Installation and System Integration

The TSXP573623M must be installed in a compatible Modicon TSX Premium system. Proper rack selection, power configuration, wiring, and software setup are essential for dependable operation.

1. Verify Rack Compatibility

Before installation, confirm that the processor is compatible with the existing TSX Premium rack and system architecture.

Check the rack type, available slots, power supply capacity, installed modules, and the processor’s required mounting arrangement. Do not assume that a processor can be installed in an unrelated PLC rack simply because the modules have similar dimensions.

2. Check the Power Supply

Confirm that the rack power supply can support the processor and all installed modules. Review the system’s power budget, module consumption, and any applicable installation limits.

A power supply that is insufficient for the complete rack may cause unstable operation or prevent the PLC station from starting correctly.

3. Inspect Communication Connections

The processor documentation identifies an Ethernet TCP/IP interface and two serial interfaces. Before connecting external equipment, confirm the port type, cable requirements, supported protocol, and configuration settings.

For Ethernet connections, check the network addressing and ensure that connected devices are configured for compatible communication. For serial links, verify connector type, communication rate, and any required connection accessories.

4. Restore the Application Program

Before replacing a processor, back up the existing PLC program and document important settings wherever possible. Confirm the supported PL7 software version, program format, memory-card requirements, and any hardware configuration dependencies.

After installation, load or restore the appropriate application and verify that the processor recognizes the expected rack and I/O modules.

5. Test I/O and Control Sequences

Commissioning should include checks of digital inputs, digital outputs, analog signals, communication links, and equipment interlocks.

Where practical, test the application in a controlled environment before returning the machine to production. Confirm that output states, alarm conditions, and operating sequences behave as intended.

6. Observe Electrical and Environmental Requirements

Follow the applicable installation documentation for grounding, cabinet protection, operating temperature, and environmental conditions.

Keep the controller cabinet clean and dry, and ensure that wiring and terminal connections remain secure. The exact environmental limits must be taken from the documentation applicable to the installed hardware.

Compatible System Components

The TSXP573623M is part of the Modicon TSX Premium ecosystem. A functioning PLC station requires compatible power, rack, I/O, communication, and engineering components.

The items listed are examples of system components, not a statement that they are included with the processor. Each component must be checked against the actual installation.

Alternative Models and Replacement Considerations

The TSXP573623M is a discontinued legacy processor. Schneider Electric identifies the Modicon M580 processor family, including the BMEP583020, as a replacement direction for certain TSX Premium processor models. However, an M580 processor should not be treated as a direct plug-in replacement for the TSXP573623M.

Before choosing a replacement, compare the following:

• Exact processor model and hardware revision.
• Rack compatibility and power requirements.
• PL7 application and program-conversion requirements.
• Digital and analog I/O capacity.
• Communication ports and supported protocols.
• Memory-card and program-storage requirements.
• Field wiring and connected equipment.
• Required downtime and commissioning resources.

A newer processor may offer improved network capabilities and supportability, but migration can involve program conversion, I/O mapping, communication changes, and application validation.

Key Advantages

Centralized Control

The processor provides a central execution point for PLC logic, allowing the control program to coordinate field inputs, outputs, and machine sequences.

High I/O Capacity for Legacy Applications

The TSX Premium platform supports sizeable I/O configurations, making it relevant to complex legacy installations with numerous sensors and actuators.

Integrated Ethernet Connectivity

The integrated Ethernet TCP/IP interface can support communication with compatible engineering and supervisory equipment when properly configured.

Serial Communication Support

The available serial interfaces can support suitable legacy devices and engineering connections, subject to the application’s communication requirements.

Expandable Memory Options

Supported PCMCIA memory cards can extend storage capability for applicable program and data requirements.

Established Industrial Platform

The TSX Premium architecture has been used in industrial automation systems for many years. Maintaining an existing installation with a verified replacement processor may help avoid an immediate full-system redesign.

Technical FAQs

1. What is the Schneider Electric TSXP573623M?

It is a dual-format PL7 processor for the Modicon TSX Premium PLC platform. It executes the application program and coordinates communication and I/O within a compatible control system.

2. Which programming environment does it use?

The TSXP573623M belongs to the PL7 controller family and is associated with the PL7 programming environment. Confirm the appropriate software version and project format before maintenance or replacement.

3. How many I/O points can it support?

Product-family documentation lists capacity of up to 1,024 discrete I/O points and 128 analog I/O points. Actual capacity depends on the supported rack configuration, installed modules, and application design.

4. Does the processor support Ethernet?

Yes. Its documented integrated Ethernet interface supports TCP/IP over an RJ45 connection at 10/100 Mbit/s. The protocols and devices available to the application depend on the software and network configuration.

5. Does it support serial communication?

The product documentation identifies two female mini-DIN serial interfaces. Check the specific connection requirements, communication settings, and supported protocols before connecting a device.

6. Can the TSXP573623M be replaced with a Modicon M580 processor?

Potentially, as part of a planned modernization project. An M580 processor is not a direct plug-in replacement for the TSXP573623M. The rack architecture, program, I/O, network design, and commissioning requirements must be evaluated.

7. Is the TSXP573623M still manufactured?

No. Schneider Electric lists the model as discontinued, with a discontinuation date of June 5, 2006, and an end-of-service date of June 30, 2014. Availability is therefore primarily relevant to legacy spare-parts sourcing and repair markets.

8. What should be checked when buying a used processor?

Verify the full model number, label condition, visible damage, connector condition, and available functional-test information. Confirm whether the processor can start correctly and communicate with compatible system hardware.

9. Can an existing PL7 program be transferred to a replacement unit?

Program transfer may be possible when the replacement processor, software, memory configuration, and hardware setup are compatible. Back up the original project and document system settings before replacing the processor.

10. Why should dimensions and weight be confirmed before shipping?

Product listings may use different measurement conventions, and packaging can affect shipping dimensions and weight. The supplied dimensions of 95 × 180 × 260 mm and weight of 0.76 kg should be verified against the actual unit and the required shipping basis.

Procurement and Maintenance Recommendations

Because the TSXP573623M is discontinued and its standard service period has ended, sourcing should focus on accurate identification and verification of the specific unit.

Before purchasing, compare the model number with the label on the installed processor. Confirm whether the unit is new old stock, used, or refurbished, and request clear photographs of the connectors and identification label. For production-critical applications, request appropriate functional-test information and establish warranty and return terms.

Check the compatibility of the processor with the existing TSX Premium rack, power supply, I/O modules, communication interfaces, and PL7 application. Do not assume that a visually similar processor has the same memory capacity or communication configuration.

During maintenance, keep the control cabinet clean, inspect connections, and maintain a backup of the PLC program and configuration. Document changes made during troubleshooting and verify I/O operation and communication after a processor replacement.

For longer-term planning, evaluate the availability of spare processors, memory cards, programming software, and compatible modules. If the control system is essential to production, consider a structured migration plan that includes program conversion, hardware replacement, testing, and commissioning.

Conclusion

The Schneider Electric TSXP573623M Modicon Premium PL7 Processor is a legacy PLC CPU designed to execute industrial control programs and coordinate I/O and communication within a compatible TSX Premium system. Its documented capabilities include substantial discrete and analog I/O capacity, integrated Ethernet TCP/IP, serial communication, and support for compatible memory expansion.

Since the TSXP573623M is discontinued and its standard service period has ended, accurate identification and compatibility checks are essential when sourcing a replacement. Verifying the processor, rack, application program, memory configuration, and communication requirements can help reduce integration risks and support reliable maintenance of legacy automation equipment.