Rail Transit CPU+FPGA Controller, Supporting Real-time Operating Systems like CoDeSys/VxWorks/SylixOS

1. Controller Advantages

1. Powerful features and comprehensive supporting software (includes CoDeSys 3.5, compliant with IEC 61311-3 standard; real-time operating system VxWorks 7.0; and standard PTU software), facilitating secondary development and maintenance;

2. Rich interface resources (7 Ethernet ports, 2 CAN-FD ports, 6 CAN 2.0 ports, 2 UART ports, 1 SATA port) and high integration, which can reduce costs by 30% to 50%;

3. High reliability, already widely applied in the rail transit sector;

4. Easily integrated into customer products, helping customers reduce development and product costs, and rapidly launch products;

5. Customizable development available.

2. Product Introduction

The controller, serving as the core and brain of the system, adopts a "CPU+FPGA" combined architecture. It possesses powerful data processing, logic control, and communication management capabilities, as well as system safety protection switching and data storage functions, and offers rich external communication interfaces.

2.1 Technical Specifications

This series of main control boards (MCPU) features the following technical specifications:

Ø Single 5V power supply;

Ø Processor with 4 high-performance cores, clock speed up to 1.6GHz;

Ø Advanced DDR4 memory, up to 4GB;

Ø Storage includes 128KB NvSRAM, 256MB NorFlash, and 16GB eMMC, externally expandable with large-capacity SATA drives;

Ø Rich external interfaces.

Front interfaces include 2 Gigabit Ethernet ports and 1 Fast Ethernet port;

Rear interfaces include 8 CAN ports (including 2 CAN-FD ports), 4 Gigabit Ethernet ports, a SATA expansion interface, multiple GPIOs, etc.;

Ø Standard 3U form factor board, customizable according to actual usage requirements.

2.2 Functional Features

The controller offers the following functional features:

Ø 2 Ethernet interfaces, supporting TRDP (Train Real-time Data Protocol) communication;

Ø Real-time clock;

Ø The processor can meet the logical computation requirements for multi-trainset vehicle information;

Ø Log storage capability, capable of storing data for more than 15 days, with data retention for over 1 year after power loss;

Ø Complies with relevant RAMS standard requirements;

Ø Diagnostic interface for daily debugging, maintenance, and software loading;

Ø Device self-test function.

3. Supporting Software

1. Equipped with CoDeSys 3.5, compliant with IEC 61311-3 standard.

2. Equipped with the accompanying PTU monitoring software.

4. Test Standards

Electrical Fast Transient/Burst Immunity Test

GB/T 24338.4

Conducted Immunity Test to Radio-frequency Fields

GB/T 24338.4

Radiated Immunity Test to Radio-frequency Electromagnetic Fields

GB/T 24338.4

Radiated Emission Field Strength Measurement Test

GB/T 24338.4

Electrostatic Discharge (ESD) Test

GB/T 24338.4

Insulation Resistance Measurement

GB/T 25119—2021, Section 12.2.10.2

Dielectric Strength Test

GB/T 25119—2021, Section 12.2.10.3

Low Temperature Test

GB/T 25119—2021, Section 12.2.4

High Temperature Test

GB/T 25119—2021, Section 12.2.5

Low Temperature Storage Test

GB/T 25119—2021, Section 12.2.15

Cyclic Damp Heat Test

GB/T 25119—2021, Section 12.2.6

Shock and Vibration Test

GB/T 25119—2021, Section 12.2.12

5. Applicable Product Categories

Can be applied in rail transit products such as Traction Control Units, Logic Control Units, and Train Control and Management Systems (TCMS). It is also applicable in industrial control, marine control, and other fields, and can be customized according to specific requirements. Currently, it is widely used in multiple on-board network TCMS systems.