製品紹介
The Allen Bradley 1756-RM2XT ControlLogix XT Redundancy Module is an enhanced, 2-channel redundancy synchronization module developed for high-availability ControlLogix XT architectures operating in harsh industrial environments. It is specifically engineered for mission-critical process systems where continuous controller operation and deterministic failover are essential.
As part / the ControlLogix XT family, the 1756-RM2XT provides hardened environmental protection combined with high-speed synchronization performance. The module works in pairs, forming a fully redundant controller system in which one controller operates as primary while the second remains in hot standby mode. System data, execution states, and I/O information are continuously mirrored to ensure immediate takeover if a fault occurs.
The enhanced 2-channel architecture improves redundancy link reliability and communication integrity between chassis. Designed for extended temperature applications, the module performs reliably in environments where conventional PLC hardware may not withstand ambient stress. This makes it ideal for oil & gas platforms, power stations, heavy industrial plants, and remote installations.
Integration is seamless within the ControlLogix chassis, requiring no external synchronization equipment. Once configured in Studio 5000, the redundancy system operates autonomously, continuously supervising controller health and link status.
製品仕様
| Parameter | Specification |
|---|---|
| Product Name | 1756-RM2XT ControlLogix XT Redundancy Module |
| メーカー | Allen-Bradley |
| Series | ControlLogix XT |
| Module Type | Enhanced Redundancy Module |
| Redundancy Channels | 2-Channel Architecture |
| Redundancy Mode | Hot Standby Controller Redundancy |
| System Compatibility | ControlLogix XT Redundant Systems |
| Installation | Slot-mounted in ControlLogix XT chassis |
| Backplane Current (5.1 V DC) | 1.16 A |
| Backplane Current (24 V DC) | 3 mA (typical) |
| Power Dissipation | Approx. 5.8 W |
| Operating Temperature | Extended Temperature Rated (XT) |
| Storage Temperature | Industrial Extended Range |
| Humidity | 5–95% non-condensing |
| Isolation | Backplane isolated |
| Communication Interface | Dedicated redundancy synchronization link |
| Diagnostics | Front panel LED status indicators |
| Certifications | Industrial Hazardous Location Rated (XT series compliant) |
| Dimensions | 145.2 x 34.6 x 139.6 mm |
| 重量 | 0.295 kg |
Applications
• Oil & Gas production systems requiring continuous control in high-temperature and hazardous environments.
• Offshore platforms exposed to vibration, salt atmosphere, and wide temperature fluctuations.
• Power generation facilities where turbine and boiler control redundancy is mandatory.
• Mining and heavy industrial plants operating in dusty, thermally demanding conditions.
• Petrochemical processing lines where deterministic switchover prevents production interruption.
• Remote automation stations where maintenance access is limited and system uptime must be maximized.
• Pipeline compressor stations that demand controller availability under extended ambient temperatures.
Advantages
• Enhanced 2-Channel Redundancy Design
Improves communication stability and provides reliable synchronization between primary and standby controllers.
• Extended Temperature Performance
Designed to operate in demanding environments beyond standard industrial temperature ratings.
• Deterministic Hot Standby Switchover
Ensures smooth and automatic transition without disrupting process execution.
• High Backplane Efficiency
Optimized current consumption at 1.16 A @ 5.1 V DC maintains system stability.
• Seamless ControlLogix XT Integration
Works natively within the XT platform without additional external hardware.
• Continuous System Monitoring
Provides real-time redundancy diagnostics and health status indicators.
• Reduced Process Downtime
Maintains production continuity during hardware faults or maintenance events.
会社情報
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