ABB 1MRK000195-AAR02 Digital Communication Module

Product Overview

The ABB 1MRK000195-AAR02 is an industrial-grade Digital Communication Module and PC board assembly designed for high-reliability control networks.

Often paired with the underlying sub-board identifier 1MRK000005-63, this processing card functions within ABB distributed control systems (DCS) and protection relay substation environments.

The hardware acts as an interface gateway, executing synchronous data transfers, protocol conversions, and external signal linking across central bus infrastructure.

Engineered to maintain uninterrupted data pathways in high-voltage switchgear environments, this module supports real-time network integration under stringent electrical conditions.

Technical Specifications

Ordering Information

Industrial line upgrades and module replacements mandate tracking strict hardware revision suffixes. Procure components exclusively via the authorized factory ordering keys outlined below.

• Product ID / Model Number: 1MRK000195-AAR02
• Alternative Suffix Notation: 1MRK000195-AAr02
• Related Base Hardware Assembly: 1MRK000005-63

Engineering & Installation Guide

Sub-Rack Alignment and Connection Control

Before inserting the 1MRK000195-AAR02 module, inspect the rear multi-pin plug array for physical misalignment or contaminants.

Static-sensitive components populate this circuit assembly; field engineers must wear grounded ESD wrist straps during unpacking and positioning.

Slide the module board along the rack card guides until the backplane connection engages uniformly, then secure the front panel retention hardware.

Shielded Field Bus Termination

The digital communication links processed by this module require end-to-end twin-axial or high-grade shielded cabling.

To protect the communication channel from electromagnetic interference generated by adjacent switchgear operations, strip back cable shields at the cabinet entrance and bond them to the chassis earth rail using metallic grounding clamps.

Thermal Integrity and Cabinet Airflow

The module is rated for ambient operational boundaries between -25°C and +70°C.

For enclosures running multiple communication processing channels, verify that the active heat load does not exceed passive rack dissipation capacity.

Maintain unblocked vertical convection pathways within the card cage assembly to maximize the performance lifespan of the flash memory system.

Frequently Asked Questions

What is the operational relationship between 1MRK000195-AAR02 and 1MRK000005-63?

The 1MRK000195-AAR02 denotes the complete factory assembly, while 1MRK000005-63 refers to the underlying PCB substrate used within the module.

Can this module be live-inserted into an active rack network?

No. Hot-swapping during active bus operation may cause signal reflection, hardware damage, or system faults. Power isolation is required before installation or removal.

Does this communication module include an aluminum alloy frame casing?

Yes. The 1MRK000195-AAR02 is supplied with an integrated aluminum alloy frame designed for thermal management and mechanical reinforcement.