Products Description
MODICON DBK021 Memory Backup Battery Module

Technical SpecificationsModel:DBK021 Brand:MODICON Product Type:Lithium Memory Backup Battery Module Battery Type:Lithium battery Connector:2-pin Molex connector Mounting:Plug-in installation on CPU / memory card Operating temperature:0℃ ~ +45℃ Storage temperature:-20℃ ~ +70℃ Relative humidity:5%~95%, non-condensing Weight:0.2kg Dimension:77mm68mm18mm Insulation:Reinforced insulation
System compatibilityDBK021 belongs to MODICON 984 series backup battery accessory. Compatible with MODICON 984 CPU and memory modules. It provides backup power for PLC memory. Suitable for chemical plant,water treatment,packaging machinery,conveyor line old MODICON PLC system maintenance and replacement as industrial spare part.
FunctionDBK021 lithium backup battery module. It supplies standby power for PLC memory chip when main rack power is cut off, to preserve user ladder program and retained data, prevent program loss after power failure. It adopts polarity protection design to avoid reverse connection damage. Widely used for data retention of legacy MODICON 984 PLC control system, serving as reliable memory backup spare part.
InstallationCut off rack power before installation. Locate the battery socket on MODICON CPU or memory card. Insert DBK021 battery connector,confirm polarity and lock the connector. Complete battery replacement test,verify program can be retained after power cut before formal operation.
Interface2-pin Molex plug connector for DBK021 MODICON backup battery module.
FeatureMODICON DBK021 PLC backup lithium battery,plug and play installation,reverse polarity protection,long shelf life,compact structure,shock and vibration resistance for industrial cabinet environment. This discontinued legacy industrial spare part used for old MODICON 984 PLC memory data retention maintenance and replacement.
DiagnosticBattery low alarm: check battery voltage and service life for DBK021. Program lost after power off: inspect battery connection,connector loose and battery depletion. Battery leakage: check shell damage and long-time high temperature environment. Intermittent backup failure: verify connector oxidation and wiring vibration.
Product BriefDBK021 is MODICON 984 series lithium memory backup battery module. It keeps PLC user program and data intact during power outage for MODICON 984 automation system,classic spare part for legacy MODICON industrial automation equipment 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.