DRT-370D User manual - Elnu.se

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elnu.seDRT-370D user manualPulse outputThe DRT-370D DIN rail energy meter is equipped with a pulse output which is fullyseparated from the inside circuit. That generates pulses in proportion to the measuredenergy for remote reading purposes and accuracy testing. The pulse output is a polaritydependant, passive transistor output requiring an external voltage source for correctoperation. For this external voltage source, the voltage (Ui) should is 5-27V DC, andthe maximum input current (Iimax) is 27mA DC. To connect the impulse output,connect 5-27V DC to connector 20 (anode), and the signal wire (S) to connector 21(cathode). The meter pulses 800 per kWh (1.25Wh/imp).1.10 TroubleshootingCAUTION‣ During repairing and maintenance, do not touch the meter connectingclamps directly with your bare hands, with metal, blank wire or othermaterial as you will have the chance of an electricity shock and a possiblechance for health damage.‣ Turn off and lock out all power supplying the energy meter and theequipment to which it is installed before opening the protection cover toprevent the hazard of electric shock.WARNING‣ Maintenance or repair should be performed by qualified personnel familiarwith applicable codes and regulations.‣ Use insulated tools to maintain or repair the meter.‣ Make sure the protection cover is in place after maintenance or repair.Shanghai Fengyilong Electronic Co. Ltd. www.china-meters.com Email:fyl@china-meters.com-8- 021-60975591/ 60975592
elnu.seDRT-370D user manualProblem Check SolutionNo light for thePower supplyindicator (L1, L2 &L3 LED).Is AC power supplyconnected to themeter ?Is the L1, L2, L3 andN connectingcorrect ?Check switch or circuit-breakerand fuse or thermal cut-off.Reinstall terminal screws on theL1, L2, L3 and N. Make sure allscrews are fixed. Than thereshould be a 230V 50Hz AC voltagebetween the terminal screws onthe N and L1 or L2 or L3, whenpower supply is input.No light for theconsumptionindicator (PULSE &SOLED).Maybe there is afault in the insidecircuit.Is the loadrunning ?Is the operatingpower too low ?Maybe there is afault in the insidecircuit.Please contact technical supportto replace this meter.Only when load is running, thisLED will flash.If the operating power is too low,the spacing interval of the flasheswill take some more time, this iswhy it seems like the LED isn’tburning.Please contact technical supportto replace this meter.Continue.Shanghai Fengyilong Electronic Co. Ltd. www.china-meters.com Email:fyl@china-meters.com-9- 021-60975591/ 60975592
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DRT-370D User manual - Elnu.se

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