Product Details
Configured for optical and electrical signal duplication in PROFIBUS-DP network segments, the ABB 3BDZ000398R1 (RLM01 PROFIBUS Redundancy Link Module) provides direct physical/electrical execution to convert non-redundant line architectures into redundant bus configurations.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3BDZ000398R1 (RLM01) |
| Brand | ABB |
| Origin | Germany |
| Weight | 0.46 kg |
| Dimensions | Standard DIN-rail module form factor |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | 24 VDC external supply input |
| Protocol Type | PROFIBUS-DP |
| Number of Channels | 1 main line to dual redundant lines |
| Communication Speed | Auto-sensing, up to 12 Mbit/s |
Profinet / EtherNet/IP Deterministic Networks and Bus Redundancy
The RLM01 module interfaces a single non-redundant PROFIBUS-DP master or slave device to two redundant transmission lines (Line A and Line B). It monitors signal traffic and automatically routes incoming data packets to both lines concurrently without protocol latency. During frame transmission, internal logic selects the first error-free telegram received from either line, suppressing cross-talk and jitter to preserve deterministic network execution across industrial fieldbus structures.
Frequently Asked Questions
Q: Does the RLM01 module require software node addressing or configuration files?
A: No, the module operates transparently at Bit Physical Layer (Layer 1) and automatically adjusts to the PROFIBUS-DP transmission speed without requiring address allocation or software parameterization.
Q: How does the module handle a wire break or signal fault on one of the redundant lines?
A: If a signal interruption occurs on one line, the internal signal selector automatically switches to the secondary valid line without frame loss or disruption to the connected slave unit.
Field Installation Guidelines
- Mount the module securely onto a standard 35 mm DIN rail inside an IP54 or higher rated field enclosure.
- Connect dual 24 VDC power supply lines to the redundant input terminals to maintain module availability during power rail fault events.
- Ensure all RS-485 PROFIBUS cables utilize shielded twisted-pair wire and that line terminators are active at both physical ends of Line A and Line B.
- Bond the DIN rail and module grounding terminal directly to the central functional earth bar using short, low-impedance copper conductors.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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