TB/T 3471-2016 in English
VALIDTechnical conditions of centralized dispatching system
- Issued on:2016-12-15
- Implemented on:2017-07-01
- File Format:PDF
- Delivery:Via email within 2~4 business days
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| Standard No: | TB/T 3471-2016 |
| Document status: | VALID |
| Title in English: | Technical conditions of centralized dispatching system |
| Title in Chinese: | 调度集中系统技术条件 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 2~4 business days |
| Issued on: | 2016-12-15 |
| Implemented on: | 2017-07-01 |
| Chinese Classification: | S64-Remote control and communication |
| Professional Classification: | TB-Railway Transport |
| Related Keywords: | components central system station system network system autonomous machine
dispatching system dispatching system introduction interpretation technical requirements control reliable voice communication system maintenance points refer |
Introduction
Interpretation of the core content of the standard
TB/T 3471-2016 standard specifies the technical requirements and implementation specifications of the centralized dispatching system (CTC), which mainly includes the following technical modules:
- System architecture design principles
- Distributed autonomous control logic
- Safety interface protocol
- Electromagnetic compatibility requirements
Comparative analysis of system architectures
| Components | Central system | Station system | Network system |
|---|---|---|---|
| Autonomous machine | Not configured | Dual-machine hot standby | Connected via WAN |
| Server | Multiple sets of redundancy | Single set at station level | Independent dual networks |
| Terminal equipment | Dispatching/maintenance terminal | Train/electrical terminal | VLAN isolation |
Key technical requirements
Control mode
The standard specifies three operation modes:
- Central operation mode: Full control by the dispatcher
- Station shunting operation mode: Control with separation of authority and responsibility
- Station operation mode: Full station control
Interface specification
The interface with interlocking, train control and other systems must meet the following requirements
- Safety communication protocol (such as SIL4 certification)
- Does not affect the safety of existing systems
- Transmission delay <200ms
Implementation suggestions
Deployment conditions
According to Clause 5.8 of the standard, the implementation of CTC requires the following:
- Centralized interlocking station
- Sectional automatic blocking equipment
- Reliable voice communication system
Maintenance points
Refer to Clause 6.5.2 Operation and maintenance subsystem requirements:
- Establish an independent equipment status monitoring platform
- Log retention period ≥ 30 days
- Perform network quality tests regularly
Sample only — not a preview of TB/T 3471-2016
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