Eaton Powerware Series User Manual

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COMMUNICATIONEATON BladeUPS® (12 kVA) User's Guide 164201649 Rev 4www.eaton.com/powerquality82Programmable Signal InputsThe UPS incorporates two programmable signal inputs (see Figure 46 on page 77).Use of non-polar (relay) control input is recommended. The pins must be shorted withmaximum resistance of 10 ohm in order to activate the specific input.NOTE See Figure 50 on page 81 for the polarity and verify these connections if polarity control is required.Table 8 shows the programmable settings for the signal inputs.Table 8. Programmable Signal InputsSignal Descriptionempty Not in use (default).building alarm 1–2 These alarms can be activated separately or at the same time with otherbuilding alarms.NOTE Building alarms are local only to the UPS.on generator If active, the High Efficiency setting is disabled (BladeUPS 12i model only)and battery tests are disabled.ext battery breaker If active, the UPS knows that the external batteries are disconnected.request bypass If active, the UPS transfers the load to bypass when the bypass voltage,frequency, and phase rotation are within the allowed limits.force bypass If active, the UPS is forced to static bypass operation regardless of thebypass status.on/OFF If active, the UPS output turns off regardless of the mode of operation.Auxiliary power, communication, and rectifier/battery charger remainfunctional. Restart is initiated immediately when this signal is inactive.charger off If active, the battery charge function is disabled. In a utility power outage,it supports the discharge of batteries.Use the programmable signal inputs to emulate some of the features usually seen onlarger three-phase systems. For example: Configure the signal from a smoke detector or water leak detector to shut downthe system. Configure a vibration sensor or air conditioner sensor to shut down the system. Set actions for alarms from a generator, such as disabling the charger for anundersized generator or shutdown for a failed generator. Configure an ATS (automatic transfer switch) sensor to transfer the system toBypass mode.