RXIDK 2H 1MRK000838-HA Communication unit ABB

Core functions
Communication capability:
Protocol support: Supports multiple industrial communication protocols such as Ethernet, PROFINET, Modbus, MODBUS AF100, PROFIBUS DP/FMS, etc.
Interface configuration: Equipped with multiple digital/analog input and output channels, it can connect sensors, actuators and other devices to achieve remote monitoring and data interaction with the host computer (such as DCS, SCADA).
Control logic:
Algorithm execution: Integrates high-performance processors and memory, capable of executing complex control algorithms (such as PID adjustment, protection logic).
Redundant design: Supports dual-channel redundant configuration to improve system reliability.
Data processing:
Data acquisition and storage: With data acquisition, storage and analysis functions, it can generate operation reports and fault records.
Real-time response: Provides high-speed data processing capabilities to ensure that the excitation system quickly adapts to power grid changes.
Technical parameters and features
1. Hardware design
Industrial-grade durability:
Power input: DC 9~36V wide range input, with voltage isolation and reverse connection protection.
Working environment: The working temperature range is -40°C to 75°C, which can adapt to harsh industrial environments.
Shock and vibration resistance: High shock and vibration resistance ensures stable operation.
Interfaces and protocols:
Communication interface: Ethernet, PROFINET, Modbus, etc.
I/O interface: Multiple digital/analog input and output channels, supporting external device connection.
2. Performance characteristics
Data processing: High-performance processor and memory, supporting complex algorithm execution.
Modular design: Easy to expand and customize, adapt to different application scenarios.
Difference from controller/processor
1. Functional difference
Communication unit:
Core role: As the communication core of the UNITROL system, it is responsible for data interaction with other devices or systems (such as DCS, SCADA).
Focus: Communication protocol support, data transmission and interface compatibility.
Controller/processor:
Core role: Integrate control logic and data processing functions, directly responsible for excitation current regulation and protection logic execution.
Focus: Algorithm execution, system control and real-time response.
2. System Role
Communication unit: ensures seamless connection between the system and external devices, and realizes data sharing and remote monitoring.
Controller/processor: as the control core, directly participates in the operation regulation and protection of the excitation system.
Summary
RXIDK 2H 1MRK000838-HA communication unit is the core component of ABB UNITROL series. With its powerful communication capabilities, high-performance hardware and extensive application cases, it has become a key equipment in the field of power and industrial automation.
Related product recommendations:
LDGRB-01 3BSE013177R1
5SHY3545L0010 3BHE009681R0101
PPC907BE 3BHE024577R0101 
PM865K01 3BSE031151R1
500MTM02 1MRK001967-AA
S-113H 3BHB018008R0003
3BHB018008R0003
3BHB009884R00211
S-073N  3BHB009884R00211
S-123H 3BHB030479R0512
3BHB030479R0512
DP640 3BHT300057R1
3BHT300057R1
S-093M 3BHB009885R0013
3BHB009885R0013
S-097H 3BHB009885R0052
3BHB009885R0052
S-093M 3BHB009885R0063
3BHB009885R0063
S-093H 3BHB009885R0005
3BHB009885R0005
More…