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产品介绍
ABB Bailey IMCKN02 时钟网络模块是Bailey INFI 90 分布式控制系统 (DCS)中的关键时间同步组件。该模块旨在管理和分配跨多个控制器和处理器的一致且同步的时间参考，确保在复杂的工业环境中各种自动化功能之间的精确协调。
IMCKN02 在对齐带时间戳的事件、事件记录顺序以及实时控制操作方面发挥着核心作用。通过在整个系统中维护统一的时钟数据，它可以改进过程诊断，提高报告准确性，并支持确定性的控制行为，尤其是在大规模或安全关键型应用中。
技术规格
| 范围 | 细节 |
|---|---|
| 产品名称 | IMCKN02 |
| 制造商 | ABB（贝利控制） |
| 模块类型 | 时钟网络模块 |
| 系统兼容性 | INFI 90 分布式控制系统 |
| 主要功能 | 跨多个模块/处理器同步系统时钟 |
| 输入信号 | 外部时间参考（可选），内部振荡器 |
| 输出 | 时钟脉冲、时间同步信号 |
| 通信协议 | INFI-NET 或本地定时总线 |
| 时间准确性 | ±1 毫秒（内部），外部同步精度更高 |
| 电源电压 | 24 VDC（通过背板连接） |
| 状态指示器 | LED indicators for signal activity, sync status |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95%, non-condensing |
| Mounting Method | Standard Bailey rack mount |
| Failover Handling | Internal oscillator maintains basic timing during sync loss |
| Material | Coated industrial-grade PCB with metal faceplate |
| Certifications | CE, UL, CSA (when installed in certified system) |
| Dimensions (W×H×D) | 200 x 150 x 50 mm |
| Weight | 1.2 kg |
Product Applications
The IMCKN02 module is widely utilized in industries where time alignment and precision synchronization are vital. Typical applications include:
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Power Generation Facilities: Ensures accurate sequence-of-events recording during system disturbances.
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Petrochemical Plants: Coordinates distributed control units for simultaneous actions and logging.
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Oil and Gas Pipelines: Maintains event time stamps across geographically separated control nodes.
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Batch Processing: Supports time-based control steps and compliance with traceability requirements.
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Utility Grids: Enhances fault detection through synchronized data acquisition across substations.
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Manufacturing Plants: Helps in time-synchronized quality and production reporting.
Product Advantages
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High-Precision Time Coordination: Enables synchronized operation of distributed controllers and I/O systems.
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System-Wide Event Logging: Supports accurate time stamps for diagnostics and reporting.
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Failsafe Internal Oscillator: Maintains core timing functions even during external reference loss.
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Seamless Integration: Natively compatible with INFI 90 DCS infrastructure.
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Robust Design: Industrial-grade durability for use in high-demand environments.
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LED Indicators: Simplifies diagnostics and verification of sync status.
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Minimized Downtime: Time sync consistency prevents data integrity issues during event recording.
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Legacy System Support: Keeps aging INFI 90 systems aligned with modern time-critical requirements.
Frequently Asked Questions (FAQ)
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Q: What is the core function of the IMCKN02 Clock Network Module?
A: It synchronizes internal clocks across all INFI 90 controllers and processors to ensure consistent time-stamping and coordinated operations. -
Q: Does the module support external time references like GPS?
A: While the IMCKN02 primarily uses its internal oscillator, it can be interfaced with an external sync source through system configuration. -
Q: What happens if the external time signal is lost?
A: The module switches to its internal oscillator, maintaining basic clock functions without halting the system. -
Q: How is the IMCKN02 installed?
A: It is mounted in a standard ABB Bailey INFI 90 rack and connects via the system backplane. -
Q: Can the module synchronize across multiple remote stations?
A: Yes, when combined with INFI-NET communication, it supports wide-area time sync across remote nodes. -
Q: Is the IMCKN02 hot-swappable?
A: No, power should be removed before installation or replacement to avoid damage. -
Q: How do you know the time sync is working correctly?
A: LED indicators on the module show sync status, and system logs confirm time alignment. -
Q: Can this module be used in safety instrumented systems?
A: It is suitable for use in support systems where accurate time coordination is required, but safety classification depends on system integration. -
Q: What is the sync accuracy of the internal oscillator?
A: It typically maintains an accuracy within ±1 millisecond, sufficient for most industrial applications. -
Q: Is periodic calibration required for the IMCKN02?
A: Generally, no calibration is needed unless specified by site-specific reliability protocols or in the presence of significant drift over time.
Related or Same-Series ABB Bailey Models
| Model Number | Description | Function | System |
|---|---|---|---|
| IMDSO14 | Digital Output Module | Sends control signals to actuators | INFI 90 |
| IMMFP02 | Multifunction Processor Module | Controls and executes logic | INFI 90 |
| IMASI23 | Analog Input Module | Reads analog process variables | INFI 90 |
| IMRIO22 | Remote I/O Module | Interfaces remote field devices | INFI 90 |
| IMASO01 | Analog Output Module | Outputs analog signals to field | INFI 90 |
| IMAMM03 | Auto Manual Module | Manual override of control loops | INFI 90 |
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|---|---|---|---|
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