製品紹介
The Honeywell 2MLL-CH2B Computer Link Interface (I/F) Module is a critical communication interface component used in Honeywell’s MLL (Modular Low-Level) control architecture. This module enables seamless data exchange between host computers and industrial control systems, providing a dependable link for real-time control, monitoring, and data acquisition in mission-critical applications.
Built to support serial communication protocols, the 2MLL-CH2B facilitates integration between supervisory systems such as SCADA or MES and Honeywell’s control hardware. With industrial-grade isolation, robust protocol support, and configurable settings, it ensures long-term, high-integrity operation even in demanding environments like refineries, power plants, and manufacturing lines.
Technical Specifications
| Parameter | 説明 |
|---|---|
| モデル | 2MLL-CH2B |
| メーカー | Honeywell |
| Module Type | Computer Link Interface Module |
| Communication Interface | RS-232C / RS-485 (configurable) |
| サポートed Protocols | Honeywell proprietary protocol, ASCII/RTU-based serial |
| Transmission Speed | Selectable: 300 bps to 38.4 kbps |
| Port Configuration | 2 communication channels |
| Isolation | Optical isolation between field and internal logic |
| Operating Voltage | Supplied via system backplane (typically 5V DC logic) |
| Mounting Type | DIN rail or baseplate mounting |
| LED Indicators | TX/RX activity, module status |
| Environmental Protection | Industrial grade, conformal coating |
| Operating Temperature | -10°C to +60°C |
| Storage Temperature | -20°C to +70°C |
| Humidity Range | 5% to 95% RH, non-condensing |
| Dimensions (W x H x D) | 50 x 130 x 120 mm |
| 重量 | 0.15 kg |
| Certifications | CE, UL, RoHS, CSA |
Applications
The Honeywell 2MLL-CH2B module is ideal for industrial sectors that require stable computer-to-controller communication with high reliability and diagnostic transparency. It’s widely used in:
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SCADA to PLC/DCS Communication: Ensuring consistent, real-time data transfer.
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MES Integration: Facilitating higher-level production and performance monitoring.
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Remote Monitoring Systems: Allowing field systems to report back to central control rooms.
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Distributed Control Systems (DCS): Linking control modules in distributed architectures.
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Energy and Utilities: Real-time status updates for turbines, generators, and substation control.
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Oil & Gas Pipelines: Enabling central control over remote wellheads and pump stations.
Product Advantages
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Flexible Communication Options: Dual-port support for RS-232C and RS-485 interfaces.
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Reliable Isolation: Built-in optical isolation safeguards controllers from electrical disturbances.
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Robust Diagnostic Feedback: Integrated LED indicators for real-time channel status.
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Industrial Grade Durability: Designed for harsh environments and high electromagnetic compatibility.
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Seamless Integration: Fully compatible with Honeywell MLL and legacy control systems.
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Space-Saving Design: Compact DIN rail mount reduces cabinet footprint.
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Configurable Speeds: Allows custom baud rate settings for different host devices.
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Low Power Demand: Efficient operation via backplane supply ensures system efficiency.
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Protocol Compatibility: サポートs both standard and Honeywell-specific communication.
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Long Service Life: Built with industrial-grade components to ensure longevity and reliability.
よくある質問 (FAQ)
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What type / communication does the 2MLL-CH2B support?
It supports RS-232C and RS-485 serial communications with selectable baud rates. -
Can I use this module with non-Honeywell systems?
Yes, if the host supports serial communication (RS-232/RS-485) and compatible protocols. -
How many ports are available on the module?
The module has two communication ports for flexible connectivity. -
Is the module optically isolated?
Yes, it includes optical isolation to protect against electrical surges and noise. -
Does it require an external power supply?
No, it is powered via the system backplane within the control system. -
What environmental conditions can it operate in?
It operates in temperatures from -10°C to +60°C and up to 95% relative humidity. -
Can I mount it on a DIN rail?
Yes, DIN rail and baseplate mounting are both supported. -
What indicators are included on the module?
LED indicators show communication activity (TX/RX) and module status. -
What is the physical size and weight / the module?
Dimensions are 50 x 130 x 120 mm, and it weighs 0.15 kg. -
What kind / certifications does it have?
The module is CE, UL, RoHS, and CSA certified for industrial use.
Related モデルs from the Same Series or Function Group
| モデル Number | 説明 | Interface Type | Ports | Dimensions (mm) | 重量 |
|---|---|---|---|---|---|
| 2MLL-CH2A | Computer Link Interface Module (Legacy) | RS-232C | 1 | 50 x 130 x 120 | 0.48 kg |
| 2MLL-CP4B | Communication Processor Module | Ethernet | 1 | 50 x 130 x 120 | 0.50 kg |
| 2MLL-MC2A | Master Controller Module | — | — | 60 x 130 x 120 | 0.55 kg |
| 2MLL-CN1A | Control Network Interface | CAN | 1 | 50 x 130 x 120 | 0.50 kg |
| 2MLL-CH3B | Computer Link I/F with Enhanced Protocol | RS-485 | 2 | 50 x 130 x 120 | 0.51 kg |
| 2MLL-TB1A | Terminal Base ユニット for Communication | — | — | 100 x 130 x 40 | 0.35 kg |
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