MODICON AS-S911-000 Hot Standby Module

MODICON AS-S911-000 rack mount hot standby module,for MODICON 984 PLC redundant control system,master-slave CPU synchronization,legacy industrial automation spare part.
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Products Description


MODICON AS-S911-000 Hot Standby Module


Technical SpecificationsModel:AS-S911-000 Brand:MODICON Product Type:S911 Series Hot Standby Redundancy Synchronization Module Backplane Power:5V DC supplied by rack backplane Mounting:Backplane rack slot mount Operating temperature:0℃ ~ +45℃ Storage temperature:-20℃ ~ +70℃ Relative humidity:5%~95%, non-condensing Weight:1.3kg Dimension:260mm140mm30mm Protection:IP20

System compatibilityAS-S911-000 belongs to MODICON S911 series hot standby redundancy module. Compatible with MODICON 984 series CPU and matching backplane. It is used to build dual-CPU hot standby redundant PLC system. Suitable for chemical,water treatment,power plant and other high-reliability process control renovation and replacement as industrial spare part.

FunctionAS-S911-000 hot standby redundancy module. It realizes data synchronization between primary CPU and standby CPU of MODICON 984 PLC. It keeps the program state,register data and I/O status of master and slave CPU consistent in real time. When the main CPU fails, it triggers seamless switching to standby CPU to ensure continuous system operation. Built-in link status monitoring and fault self-diagnosis function. Widely used for important industrial control systems requiring uninterrupted operation, serving as reliable redundancy spare part.

InstallationCut off rack power before installation. Insert AS-S911-000 module into MODICON backplane slot and lock the card. Check gold finger contact condition. Connect dedicated standby synchronization cable between two AS-S911-000 modules of primary and standby racks. Configure redundancy parameters,complete synchronization test and failover simulation before formal operation.

InterfaceBackplane bus connector,hot standby sync port,master/standby and fault status LED indicators for AS-S911-000 MODICON hot standby module.

FeatureMODICON AS-S911-000 redundancy synchronization module,real-time master-slave data mirroring,automatic fault switching,hardware status LED indication,standard single slot rack design,anti-interference design for industrial workshop environment. This discontinued legacy industrial spare part used for old MODICON 984 PLC redundant control system maintenance and replacement.

DiagnosticModule not recognized: check rack power supply,backplane contact and module insertion for AS-S911-000. Sync interruption alarm: check standby sync cable,termination resistor and shielding grounding. Failover abnormal: check CPU program consistency and module hardware status. Intermittent sync loss: inspect cable aging and connector loose. LED fault warning: verify backplane power stability and module damage.

Product BriefAS-S911-000 is MODICON S911 series hot standby redundancy synchronization module. It supports dual 984 PLC CPU hot standby configuration,realizes master-slave data synchronization and automatic fault switching,classic spare part for legacy MODICON high-reliability industrial automation control system overhaul.



Disclaimer: All parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.

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