Product Short Description
Product Introduction
The ABB RXIDK2H 1MRK000838-HA is a high‑reliability, redundant digital input module designed for industrial automation and distributed control systems (DCS). It serves as a critical interface between field digital devices and ABB’s AC800M and Symphony Plus control platforms, acquiring and transmitting discrete status signals with exceptional integrity. Built with a dual‑channel redundant architecture, this module ensures uninterrupted signal acquisition even if one channel fails, making it essential for safety‑critical and continuous‑operation processes. It features full galvanic isolation for all channels, robust fault diagnostics, and seamless integration with ABB’s S800 I/O system, delivering reliable performance in harsh industrial environments.
Description
Technical Specifications
General Specifications
- Product Type: Redundant Digital Input Module
- Channel Count: 16 fully isolated digital input channels
- Input Signal: Dry contact (NO/NC) or 24 VDC wetting signal
- Input Voltage: 24 VDC ±15%
- Redundancy: Dual‑channel redundant design for fault tolerance
- Communication Interface: ABB S800 I/O bus
- Power Supply: 24 VDC ±10%, maximum power consumption 6 W
- Mounting: ABB S800 I/O rack (DIN rail compatible)
- Dimensions: Standard S800 I/O module form factor
- Weight: Approx. 0.3 kg
- Environmental Ratings:
- Operating Temperature: -25°C to +70°C
- Storage Temperature: -40°C to +85°C
- Humidity: 5%–95% RH, non‑condensing
- Vibration Resistance: 10–2000 Hz, 2 g (IEC 60068‑2‑6)
- Shock Resistance: 15 g, 11 ms (IEC 60068‑2‑27)
- Isolation:
- Channel‑to‑channel: 2.5 kV AC
- Channel‑to‑bus: 5 kV AC
- Certifications: CE, UL 508, IEC 61010, SIL 2 (IEC 61508)
- System Compatibility: ABB AC800M Controllers, Symphony Plus DCS, S800 I/O systems
Input Characteristics
- Input Type: Sink/source configurable
- Logic Threshold:
- Logic 0: < 5 VDC
- Logic 1: > 15 VDC
- Response Time: < 5 ms for signal detection
- Filtering: Programmable digital filtering (1–100 ms) to eliminate contact bounce
- Fault Detection: Per‑channel open‑circuit, short‑circuit, and power anomaly monitoring
Key Features
Redundant Architecture for Uninterrupted Operation
- Dual‑Channel Redundancy: Two independent signal paths ensure continuous input monitoring; a fault in one channel does not disrupt data acquisition
- Automatic Failover: Seamless switchover to the backup channel without system intervention or signal loss
- Fault Isolation: Isolated channels prevent a single channel fault from affecting the entire module or system
Superior Signal Integrity & Isolation
- Full Galvanic Isolation: High‑voltage isolation between channels and the control bus eliminates ground loops and protects against electrical noise
- Anti‑Interference Design: Robust EMC compliance (EN 61000‑6‑2/4) ensures stable operation in environments with high electromagnetic interference
- Programmable Filtering: Adjustable digital filtering removes contact bounce and transient noise, ensuring accurate signal detection
Advanced Diagnostics & Monitoring
- Continuous Self‑Diagnostics: Real‑time monitoring of channel status, power supply, and communication health
- Comprehensive Fault Logging: Non‑volatile memory stores detailed fault records for troubleshooting
- Status Indicators: LED indicators for power, communication, and per‑channel fault status
- Remote Diagnostics: Full access to diagnostic data via ABB Control Builder software for proactive maintenance
Easy Integration & Maintenance
- Hot‑Swappable Design: Module replacement without system shutdown, minimizing downtime
- Plug‑and‑Play Installation: Simple mounting in S800 I/O racks with automatic bus recognition
- Wide Compatibility: Seamless integration with ABB AC800M, Symphony Plus, and S800 I/O systems
- No Calibration Required: Factory‑calibrated for reliable, maintenance‑free operation
Safety & Reliability
- SIL 2 Certification: Meets IEC 61508 SIL 2 standards for safety‑related applications
- Overvoltage Protection: Built‑in protection against voltage surges on input channels
- Industrial‑Grade Components: Rugged construction for long service life in demanding environments
- Reverse Polarity Protection: Safeguards against incorrect power supply connections
Application Scenarios
- Oil & Gas Industry: Emergency shutdown (ESD) systems, pressure switch monitoring, valve position feedback, and safety interlock monitoring in refineries and offshore platforms
- Chemical & Pharmaceutical Processing: Reactor door interlocks, limit switch monitoring, pump status detection, and safety system input for hazardous area operations
- Power Generation: Turbine safety interlocks, boiler pressure switch monitoring, generator status signals, and substation equipment status acquisition
- Water & Wastewater Treatment: Pump run/stop signals, level switch monitoring, valve position feedback, and treatment process interlock systems
- Mining & Metallurgy: Conveyor status monitoring, crusher interlocks, hoist safety signals, and material handling equipment status detection
- Manufacturing & Assembly: Machine safety interlocks, emergency stop buttons, limit switch monitoring, and production line status signals
- Marine & Offshore: Shipboard machinery monitoring, thruster status signals, and safety system inputs for marine applications
- Food & Beverage: Processing equipment interlocks, conveyor status, and safety monitoring for hygienic production environments
Reviews
There are no reviews yet.