Schneider Electric TSXH5744M Unity Hot Standby Processor

Product Overview

The Schneider Electric TSXH5744M is a high-reliability hot standby processor designed for industrial automation systems. It combines a central CPU and redundant coprocessor in a single double-format housing. This processor ensures seamless operation in critical applications, providing 64 application-specific channels and supporting up to 12 module slots in a single rack. Its versatile connectivity options include Ethernet TCP/IP, USB, and RS485 serial links. Moreover, the unit is compatible with Unity Pro software for efficient programming and system management.

Key Features and Benefits

• Hot standby architecture improves system reliability and minimizes downtime.

• Supports 1 rack with 6, 8, or 12 module slots for flexible expansion.

• Provides 64 application-specific channels for versatile process control.

• Ethernet TCP/IP RJ45, USB Type A, and RS485 communication enable seamless integration.

• Double-format housing integrates main CPU and redundant coprocessor functions.

• Internal RAM with optional PCMCIA expansion supports large program and data storage.

• LED indicators provide clear status monitoring for Ethernet, processor, and I/O operations.

• Operating temperature range from 0°C to 60°C and IP20 protection ensure durable performance.

Technical Specifications

General

• Manufacturer: Schneider Electric

• Product Line: Modicon Premium

• Part Number: TSXH5744M

• Product Type: Unity Hot Standby Processor

• Module Format: Double

• Weight: 0.61 kg

System and Performance

• Number of Racks: 1 (6, 8, or 12 slots)

• Application-Specific Channels: 64

• Process Control Channels: 20–60 simple loops

• Discrete I/O Capacity: 2048 I/O

• Analog I/O Capacity: 256 I/O

• System Overhead: 1 ms master task

• Execution Time per Instruction: 0.039–0.073 µs depending on data type

Memory

• Internal RAM (with PCMCIA card): 2048 kB program, 440 kB data

• Internal RAM (without PCMCIA): 440 kB program and data

• PCMCIA Card: 16384 kB additional storage

Connectivity

• Ethernet: 10BASE-T / 100BASE-TX RJ45

• USB: Type A, 12 Mbit/s

• Serial Link: Non-isolated RS485 mini DIN, 19.2 kbit/s

• Communication Module Capacity: 4 modules

Environmental Conditions

• Operating Temperature: 0…60 °C (32…140 °F)

• Storage Temperature: -25…70 °C (-13…158 °F)

• Relative Humidity: 10–95% (operation, no condensation)

• Protection Rating: IP20

• Pollution Degree: 2

• Operating Altitude: 0–2000 m

Certifications & Standards

• CE, UL 508, IEC 61131-2, CSA C22.2

• Marine Approvals: ABS, BV, DNV, GL, LR, RMRS

Typical Applications

• Redundant control systems in manufacturing plants

• Process automation for chemical and energy industries

• Critical infrastructure requiring high uptime and failover capabilities

• Integration with Modicon Premium PLC networks using Unity Pro

FAQ

Q: What does “hot standby processor” mean?
A: A hot standby processor ensures continuous operation by automatically switching to a redundant CPU if the primary fails.

Q: Can this processor handle both discrete and analog I/O?
A: Yes, it supports up to 2048 discrete I/O and 256 analog I/O points.

Q: Is additional memory required for large programs?
A: Optional PCMCIA cards provide extended memory for larger applications.

Q: Which communication protocols are supported?
A: Ethernet TCP/IP, RS485 serial links, and USB are supported for integration flexibility.

Q: What software is compatible with this processor?
A: Unity Pro software is used for programming, configuration, and system management.