{"product_id":"2xv9450-1ar22-siemens-siclock-tm-datasheet-technical-manual","title":"2XV9450-1AR22 Siemens SICLOCK TM Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eSiemens 2XV9450-1AR22 SICLOCK TM Plant Central Clock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSiemens 2XV9450-1AR22\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSICLOCK TM\u003c\/strong\u003e Plant Central Clock, operates as a dedicated hardware component for high-precision master time synchronization within plant-wide network architectures.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Note on Model Correction:\u003c\/strong\u003e While certain aftermarket database records erroneously cross-reference this part number with bulk network cabling media, the original Siemens industrial manufacturing ledger registers the \u003cstrong\u003e2XV9450-1AR22\u003c\/strong\u003e strictly as a \u003cstrong\u003eSICLOCK TM Plant Central Clock\u003c\/strong\u003e assembly. The direct successor hardware is designated under order number \u003cstrong\u003e2XV9450-2AR01\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e2XV9450-1AR22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.11 kg (6.86 lbs net)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard SICLOCK rack\/panel-mount enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDetermined by active synchronization pulse distribution loads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage Range\u003c\/td\u003e\n\u003ctd\u003e24 V DC to 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Type\u003c\/td\u003e\n\u003ctd\u003eMaster Plant Central Clock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuccessor Component\u003c\/td\u003e\n\u003ctd\u003e2XV9450-2AR01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and Synchronization I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe central clock establishes a highly accurate reference time base across distributed industrial networks, emitting synchronized timing pulses or data frames to local controller ranks. By distributing uniform reference stamps, the unit coordinates distributed sequence-of-events recording grids linked across Profinet \/ EtherNet\/IP deterministic networks. This time distribution prevents logic discrepancies among separate PLC nodes, adjusting clock skew limits dynamically across wide I\/O density scaling profiles without loading communication processors.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 2XV9450-1AR22 handle supply voltage variations within its rated operating range?\u003c\/p\u003e\n\u003cp\u003eA: The internal wide-range power distribution matrix accommodates fluctuating auxiliary supplies from 24 V DC up to 110 V DC. Input voltage variations within this window are regulated inside the internal power stages to maintain continuous oscillator stability.\u003c\/p\u003e\n\u003cp\u003eQ: Can this timing module be hot-swapped while the distribution bus is transmitting synchronization signals?\u003c\/p\u003e\n\u003cp\u003eA: No. The legacy SICLOCK TM hardware architecture does not support live removal. Disconnecting the module under voltage causes immediate signal termination across all connected slave clocks, inducing time-sync faults within dependent SCADA and PLC sub-nodes.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Mechanical Grounding:\u003c\/strong\u003e Install the module firmly into the designated control cabinet chassis location. Ensure direct metal-to-metal contact between the enclosure frame and the unpainted cabinet grounding busbar to suppress electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronization Cable Routing:\u003c\/strong\u003e Route all outgoing pulse and timing signal cables in separate grounded metal conduits, keeping them clear of high-voltage AC motor lines to prevent inductive noise injection into the time signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Voltage Validation:\u003c\/strong\u003e Verify that the supply voltage at the source terminals falls within the 24 V DC to 110 V DC envelope using a digital multimeter before engaging the primary circuit breaker.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43441541415002,"sku":"2XV9450-1AR22","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/256._23b42d0d-1727-4386-b23f-1b6cf714f285.jpg?v=1780368403","url":"https:\/\/www.spareoil.com\/products\/2xv9450-1ar22-siemens-siclock-tm-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}