Product Details
The ABB 1MRK000508-BDr04, also cataloged as the 1MRK000508-BD Binary Input Module, operates as a dedicated hardware component for multi-channel discrete status monitoring within ABB Relion 670 protection and control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1MRK000508-BDr04 |
| Brand | ABB |
| Origin | Standard ABB Manufacturing |
| Weight | 0.4 kg |
| Dimensions | 2 cm x 19.8 cm x 26.2 cm |
| Operating Temp | -25 to +70 deg C (Standard Industrial Range) |
| Power Consumption | Backplane Auxiliary Powered |
| Input Type | Binary / Digital Contact Sensing |
| Input Channels | Multiple Discrete Inputs |
| Mounting Format | Plug-in Subrack Module Slot |
| Application Target | Generator, Transformer, and Motor Protection |
Backplane Bus Communication Velocity & I/O Density Scaling
The module provides localized I/O density scaling across protection chassis slots, capturing contact transitions from trip circuits, auxiliary breaker switches, and interlock contacts. Internal optical isolation channels condition incoming discrete voltage pulses before transmitting real-time state changes to the main processing module. High backplane bus communication velocity guarantees deterministic event timestamping across sub-millisecond intervals. Firmware flash compatibility across system backplane revisions maintains protocol consistency, ensuring synchronized fault detection execution across transformer and motor protection schemes.
Frequently Asked Questions
Q: How does the 1MRK000508-BDr04 module transmit state changes to the central processing unit?
A: Incoming contact signals pass through isolated input circuits on the card and are transferred directly via the internal backplane bus interface to maintain real-time event timestamping.
Q: What physical maintenance step is required when replacing a 1MRK000508-BDr04 module in the chassis?
A: Power to the subrack auxiliary bus must be isolated, terminal block connectors detached, and side mounting screws loosened prior to sliding the card out of its slot.
Field Installation Guidelines
- Verify that all external wetting voltage sources wired to the binary input terminals are de-energized before inserting the module into the subrack slot.
- Ensure cabinet field wiring utilizes shielded cabling for long contact loop runs to prevent induced noise coupling.
- Ground the cable shield drain wires at a single point on the subrack earth grounding bar.
- Fully align the card edge connectors with the backplane guides and tighten the top and bottom retention screws to maintain structural and electrical contact.
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.
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