ABB RLM01 PROFIBUS Redundancy Link Module
Description
ABB RLM01 PROFIBUS Redundancy Link Module is a member of the ABB Freelance series, designed for industrial automation systems to convert single PROFIBUS DP bus links to redundant dual links, enhancing network reliability and fault tolerance.
| Specification | Value |
|---|---|
| Interface Type | PROFIBUS DP Interface |
| Communication Rate | 9.6 kbps to 12 Mbps |
| Operating Voltage | 24 VDC, supports 9-36 VDC redundant input |
| Operating Temperature Range | -50 to 0 degrees Celsius |
| Protection Rating | IP50 |
| Dimensions | 134 x 56 x 70 mm |
| Mounting Method | DIN Rail |
| Maximum Connected Devices | 31 PROFIBUS clients, expandable with repeaters |
Key Features:
- High redundancy and reliability, prevents network shutdown from single point failures by switching between redundant links automatically
- Transparent PROFIBUS DP protocol transmission, no special configuration or additional slave address setup required
- Modular design for easy installation and system expansion
- Comprehensive diagnostic functions, with status information accessible via terminal board and LED indicators
- Built-in protection including 4000V lightning protection, 1.5A overcurrent protection, and 600W surge protection
- Supports bidirectional conversion between single bus and redundant dual bus configurations
- Certified with CE, UL, CSA, and German Lloyd type approval for marine applications
Applications:
- Industrial automation systems such as production lines and logistics systems
- Process control environments including chemical plants and oil drilling platforms
- Power systems such as power plants and substations
- Transportation systems including rail transit
- Building automation systems such as building control networks
- Integration with systems like ABB AC800 and Siemens S7-400
Related Models:
- ABB Freelance AC800F Controller
- ABB Freelance DI810 Digital Input Module
- ABB Freelance DO810 Digital Output Module
- ABB Freelance AI810 Analog Input Module