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Product Introduction
The ABB DLM01 (P-37421-4-0369-652) Link Module is an essential communication component designed specifically for the ABB Freelance 2000 distributed control system (DCS). It serves as a crucial interface that connects the central processing units (CPUs) with input/output racks and field devices, enabling smooth and reliable data exchange within complex automation environments.
Known for its robust build and compatibility with ABB’s control architecture, the DLM01 module supports structured data transfer of up to 256 bytes, allowing efficient and organized communication between system components. This reduces communication overhead and improves overall system performance.
Manufactured by ABB’s Hartmann & Braun division in Sweden, this module is widely recognized for its durability, ease of installation, and seamless integration into existing ABB Freelance 2000 setups.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | DLM01 P-37421-4-0369-652 |
| Product Type | Link Module (Communication Interface) |
| Compatible System | ABB Freelance 2000 Distributed Control System |
| Dimensions (L × W × H) | 185 x 313 x 42 mm |
| Weight | 1.7 kg |
| Power Supply | 24 V DC, typical power consumption around 10 W |
| Operating Temperature Range | 0 °C to 50 °C (32 °F to 122 °F) |
| Mounting Type | DIN rail mounting |
| Communication Protocols | CANbus, Profibus (via Field Controller) |
| Manufacturer | ABB (Hartmann & Braun, Sweden) |
| Country of Origin | Sweden |
| Warranty | Standard 12 months |
Product Applications
The ABB DLM01 Link Module is designed to facilitate communication in a range of industrial automation applications, such as:
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Process Automation: Connecting CPUs with I/O racks and sensors in chemical plants, refineries, and manufacturing lines to enable real-time monitoring and control.
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System Expansion and Retrofitting: Enhancing legacy Freelance 2000 systems by adding or upgrading communication links without overhauling the entire control network.
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Fieldbus Integration: Providing seamless communication pathways for field devices over CANbus and Profibus, supporting distributed I/O installations.
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Data Acquisition: Efficient transfer of structured data blocks for faster and more reliable system diagnostics and status monitoring.
Product Advantages
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High Data Throughput: Supports structured data blocks up to 256 bytes, minimizing communication traffic and boosting system responsiveness.
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Reliable and Durable: Industrial-grade design suitable for harsh factory environments, ensuring stable performance over extended periods.
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Plug-and-Play Integration: Easy installation with DIN rail mounting and out-of-the-box compatibility with Freelance 2000 components.
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Compact Size: Space-efficient design ideal for control cabinets with limited room.
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Global Support and Availability: Backed by ABB’s extensive worldwide network for spare parts and technical support.
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Cost-effective Maintenance: Designed to replace older modules with minimal downtime and reduced engineering effort.
Frequently Asked Questions (FAQ)
1. What role does the ABB DLM01 Link Module serve in a control system?
It acts as a communication bridge between CPUs and field I/O, enabling data transfer within the ABB Freelance 2000 DCS.
2. Is the DLM01 compatible with other ABB control systems?
It is specifically designed for the Freelance 2000 system and may not be compatible with other ABB platforms.
3. What are the physical dimensions and weight of the DLM01 module?
It measures 185 x 313 x 42 mm and weighs 1.7 kg.
4. Can the module handle large data blocks?
Yes, it supports structured data up to 256 bytes per message.
5. What communication protocols does it support?
It supports CANbus natively and Profibus via an external Field Controller.
6. Is it easy to install?
Yes, it features standard DIN rail mounting and plug-and-play integration.
7. How long can I expect the module to last in typical operation?
With proper installation and normal operating conditions, the module is designed to operate reliably for several years, typically aligning with industry-standard lifecycle expectations.
8. What diagnostic features does the DLM01 provide for troubleshooting communication issues?
The module includes built-in status LEDs and diagnostic registers that allow technicians to monitor link status, error counts, and communication integrity, facilitating quick identification of faults.
9. How does the DLM01 handle redundancy in critical control applications?
When used with redundant CPUs and network architectures, the DLM01 supports seamless failover by maintaining link integrity and ensuring continuous data transfer without loss during switchover.
10. Can this module replace older Freelance 2000 link modules?
Yes, it is fully compatible with previous Freelance 2000 link modules, making upgrades straightforward.
Recommended Related Models (Same Series or Related)
| Model Number | Description |
|---|---|
| DLM02 (P-37421-4-0338434) | Redundant Link Module for high reliability |
| DDI01 (P-37111-4-0369626) | Digital Input Module |
| DDI02 | Extended Digital Input Module |
| DDO01 | Digital Output Module |
| DAI01 | Analog Input Module |
| DAO01 | Analog Output Module |
Popular ABB Modules (Same Brand)
| Model Number | Application |
|---|---|
| AC800M I/O Modules | Modular I/O for ABB 800xA control platform |
| PM861AK01 Processor Module | High-performance CPU for AC800M systems |
| DSQC663 | Digital Servo/Robot Controller |
| DCP02 | Freelance 2000 CPU Module |
| DCP10 | Freelance 2000 Central Processing Unit |
| DAO01 | Analog Output Module (used across ABB lines) |
