ABB RLM01 PROFIBUS DP/FMS Redundancy Link Module

Overview

The ABB RLM01 PROFIBUS DP/FMS Redundancy Link Module ensures reliable communication and redundancy in PROFIBUS DP/FMS networks. This module is ideal for environments where system uptime and fault tolerance are crucial, providing enhanced data transmission reliability and reduced risk of downtime. It offers automatic line selection, communication monitoring, and repeater functionality, making it a versatile solution for various industrial automation applications.

Key Features:

• Redundancy Management: Supports redundant power supplies, ensuring continuous operation in case of power failures.
• Communication Monitoring: Monitors communication status and provides a potential-free alarm contact in case of errors.
• Automatic Line Selection: Automatically switches between lines A/B for PROFIBUS DP/FMS networks.
• Flexible Transmission Rates: Supports transmission rates from 9.6 kBit/s to 12 MBit/s.
• Status and Error Display: Clear status and error indicators for easier diagnostics.
• Simple Installation: Designed for easy assembly on DIN mounting rails, with a compact size of 134 x 56 x 70 mm.

Technical Specifications:

• Brand & Model: ABB RLM01 3BDZ000398R1
• Serial Interfaces: RS 485, 9-pin Sub-D connector
• Transmission Rate: 9.6 kBit/s to 12 MBit/s
• Connection Type: Functionally isolated according to VDE 0110, 500 Veff test voltage
• Device Protection Class: A, B, and M
• Line Length Restrictions:
  • Master to M: 50m
  • M to Slave: 50m
  • A/B to A/B: As per PROFIBUS specification
• Data Telegram Delay:
  • A/B to M: 11 Bit times + 0.6 μs
  • M to A/B: 4 Bit times + 0.6 μs
• Power Supply:
  • Operating Voltage: 24 VDC (+20 .. +33 V)
  • Power Consumption: 150 mA (typical at 24 V)
  • Power Loss: Approx. 3.6 W
  • Connection: 8-pin terminal strip, wire cross-section: 0.14 … 1.5 mm²
• Ambient Conditions:
  • Operating Temperature: 0 … 50°C
  • Storage Temperature: -30 … 85°C
  • Relative Humidity: Max. 75% (non-condensing)
  • Altitude: Up to 2000 m
• Alarm Contact:
  • Function: Open in case of error
  • Switching Voltage: < 60 VDC
  • Switching Current: Max. 1 A
• Design & Dimensions:
  • Dimensions: 134 x 56 x 70 mm (H x W x D)
  • Weight: Approx. 330 g
  • Mounting: 35 mm DIN rail
  • Protection Class: IP 20 (for indoor use)

FAQs:

Q1: What is the maximum transmission rate supported by the ABB 3BDZ000398R1?
A1: The module supports transmission rates from 9.6 kBit/s to 12 MBit/s.

Q2: How is the ABB 3BDZ000398R1 mounted?
A2: It is designed for easy assembly on a 35 mm DIN rail.

Q3: What is the power consumption of the module?
A3: The typical power consumption is 150 mA at 24 VDC, with a power loss of approximately 3.6 W.

Q4: Can this module be used with a redundant power supply?
A4: Yes, the ABB 3BDZ000398R1 supports redundant power supply for higher reliability.

Q5: What certifications does the ABB 3BDZ000398R1 have?
A5: The module is CE certified and compliant with UL, CSA, and GL standards (Category A, B, C, D).

Check official datasheet for more detailed information: 3BDZ000398R1