Product Details
The ABB 1MRK002266-AAr03 serves as the primary 1MRK002266-AA Optical Ethernet Module utilized to execute optical network interfacing, analog signal sampling, and discrete contact switching across ABB protection and control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1MRK002266-AAr03 |
| Brand | ABB |
| Operating Temp | -20 to +70 deg C |
| Power Consumption | 24 VDC Nominal |
| Analog Inputs | 8 channels (0-10 V) |
| Digital Outputs | 16 channels |
| Response Time | < 2 ms |
| Communication Ports | Ethernet, RS485 |
| Protocols Supported | Modbus, IEC 61850 |
| Isolation Voltage | 2500 V RMS |
| Electromagnetic Immunity | IEC 61000-4 Compliant |
| Humidity Range | 5% to 95% RH, non-condensing |
Backplane Bus Communication Velocity & Firmware Flash Compatibility
The module integrates 8 analog input channels and 16 digital output channels onto a single subrack footprint to manage I/O density scaling. Operating on a 24 VDC power supply, internal logic circuits maintain real-time signal conversion with processing response times under 2 ms. High backplane bus communication velocity handles deterministic packet traffic over Ethernet and RS485 physical layers, supporting IEC 61850 and Modbus protocols. Channel-to-ground dielectric protection is maintained up to 2500 V RMS under IEC 61000-4 electromagnetic immunity parameters, preserving system operation and firmware flash compatibility during transient events.
Frequently Asked Questions
Q: What is the isolation rating between field-side interfaces and internal logic circuits on the 1MRK002266-AAr03?
A: The module is rated for 2500 V RMS isolation to protect internal backplane processing elements from external field surges and noise.
Q: What are the input signal limits for the onboard analog input channels?
A: The 8 analog input channels accept a voltage range of 0-10 V with a total signal-to-output response latency of less than 2 ms.
Field Installation Guidelines
- Disconnect incoming 24 VDC power source feeds prior to inserting or seating the card into the chassis slot.
- Connect shield drain wires for 0-10 V analog input lines to a designated cabinet ground bar at a single termination point.
- Ensure RS485 communication lines are terminated with matching 120 ohm resistors at both cable end nodes.
- Maintain ambient cabinet airflow to ensure operating temperatures stay within the specified -20 to +70 deg C range.
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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