KNX Power Supply
KNX power supply current budget calculation and PS640 vs PS1280 selection, buffer modules for uninterruptible KNX operation during mains failure, and UPS integration in KNX panels for safety-critical building automation functions.
KNX Power Supply Sizing: PS640 vs PS1280 and Current Budget Calculation
Bus current fundamentals for KNX TP 29V DC SELV, device current consumption by type, PS640 vs PS1280 selection criteria, worked current budget calculation for an office floor, voltage drop over cable length, topology impact on power distribution, and panel documentation requirements.
KNX Buffer Modules: Uninterruptible Power for Safety-Critical Functions
Supercapacitor buffer module principles, Gira 2093 and MDT integrated buffer options, backup time calculation for fire shutters and access control, lithium battery modules for longer backup, panel wiring and connection rules alongside PS640.
UPS Integration in KNX Panels: Battery Backup and PELV Compliance
UPS topology selection for KNX panels, APC Smart-UPS and DIN-rail UPS options, panel load calculation, UPS monitoring via KNX group addresses, dry contact binary input integration, PELV and SELV isolation requirements per IEC 60364-4-41, and documentation requirements.
Need a KNX panel with correct power supply sizing and UPS integration?
We design and manufacture KNX panels with fully documented bus current budgets, correctly sized PS640 or PS1280 supplies, buffer modules and UPS integration — delivered tested and certified to your site.
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