ABB RXIDK2H 1MRK000838-HA Communication Expansion Module
Specific Parameters
Electrical Parameters
Power Supply Voltage: 24V DC ±20%, typical power consumption 5W, maximum power consumption 8WCommunication Interfaces: 2 10/100Base-TX Ethernet ports (RJ45, supporting IEC 61850 MMS/GOOSE), 1 RS-485 port (supporting Modbus RTU), 1 Profibus DP port (supporting DP V1)Supported Protocols: IEC 61850 Ed.2 (MMS, GOOSE, Sampled Values), Modbus RTU (RTU/ASCII mode), Profibus DP V1, IEC 60870-5-103Data Transmission Rate: Ethernet ports 10/100Mbps auto-negotiation, RS-485 port 1200bps-115.2kbps adjustable, Profibus DP port 9.6kbps-12Mbps adjustableIsolation Characteristic: Communication ports with 2kVrms electrical isolation, independent isolation between power supply and signal circuitsDiagnostic Functions: Built-in port link detection, protocol anomaly alarm, power fault monitoring; diagnostic information output via LEDs and communication interfacesStatus Indication: 2 Ethernet port LEDs (link/data), 1 RS-485/Profibus DP status LED, 1 system operation LED (green), 1 fault LED (red)
Environmental Parameters
Operating Temperature: -40℃ to +70℃ (non-condensing environment, compliant with IEC 60068-2-1/2 standard)Storage Temperature: -40℃ to +85℃Relative Humidity: 5% to 95% (non-condensing, compliant with IEC 60068-2-3 standard)Protection Rating: IP20 (module itself, must be installed in protective relay chassis or substation control cabinet)EMC Compliance: Complies with IEC 61000-6-2 (industrial environment immunity) and IEC 61000-6-4 (emission limits) standards, common-mode interference immunity ≥120dBVibration Resistance: 10-500Hz frequency range, 0.5g acceleration (sine wave), 30 minutes of continuous testing per axis
Mechanical Parameters
Overall Dimensions: 100mm (L) × 80mm (W) × 30mm (H)Housing Material: Flame-retardant engineering plastic (UL94 V-0 grade), anti-static coating on surface, with RFI shielding functionWeight: Approximately 0.3kgMounting Method: Built-in slot mounting for protective relays (adapting to Relion series standard chassis), supporting rail-mounted auxiliary installationWiring Method: Plug-in terminal blocks (power, communication), supporting wire diameter 0.5-2.5mm², terminals with anti-misplug latches
Product Performance
Strong communication compatibility: Covers mainstream power industry protocols (IEC 61850, Modbus, Profibus), enabling direct connection to substation automation systems from different manufacturers without additional protocol conversion equipment, realizing seamless transmission of protection data.
Efficient data transmission: Ethernet ports support GOOSE fast messages (transmission delay ≤3ms), meeting the real-time requirements of protective device trip signals and interlock commands; MMS protocol supports batch parameter reading, improving system debugging efficiency.
High operational reliability: 2kVrms electrical isolation for communication ports and strong electromagnetic interference suppression design ensure no communication packet loss or protocol anomalies in substation environments with dense high-voltage equipment; redundant power input ensures continuous module operation during single power failure.
Convenient configuration and maintenance: ABB PCM600 engineering software enables online configuration of communication parameters, protocol stack downloading, and remote firmware upgrading; LED status indication and diagnostic information upload function reduce fault location time to ≤5 minutes.
Excellent environmental adaptability: -40℃ to +70℃ wide temperature design covers substations in alpine and high-temperature areas; IP20 protection and vibration resistance adapt to different installation scenarios such as outdoor terminal boxes and indoor control cabinets.
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