Setting of "Master / slave setting sw...
It is assumed that setting of "Master/Slave setting switch" at the bottom of the Display Unit (Model: EMU4-D65) for the Energy Measuring Unit is wrong. Perfo... More Details >>
Turning off the LCD display and backl...
It is impossible to turn off the LCD. It is possible to turn off back lights. When any button is not pressed for 5 minutes, the automatic off mode setting... More Details >>
How to measure circuits over 600A (Ec...
As shown in the figure below, a current transformer (CT) with a secondary current of 5A is attached to the measurement location, and a split-type current sen... More Details >>
Branch connection for MODBUS RTU comm...
No, it is impossible. But Multi-drop connection is possible. For details, refer to connection examples as below. More Details >>
EcoWebServerIII's rated voltage value...
For 3P4W circuits, set the VT primary voltage value (between L and N). Except for 3P4W circuits, set the VT primary voltage value (between L and L). <Re... More Details >>
Pulse magnification setting of EMU4-P...
Match the setting values with EMU4-PX4 and EcoWebServerIII. No need to consider one-cycle operation because it is automatically calculated in EcoWebServerII... More Details >>
Checking the disconnection or communi...
There is no way to detect a disconnection or communications error in the Energy measuring Unit. As an alternative idea, we have two solutions to monitor t... More Details >>
Checking the IP address of EcoWebServ...
(1) Open the front cover on the server section, and set the MODE switch to the "STOP" position. (2) Set the RESET switch to the "SEL." position. (3) After ... More Details >>
Simultaneous data acquisition of MODB...
It is possible to simultaneously collect data by MODBUS RTU communication and Optional Unit connected. Provided that MODBUS RTU communication cannot collec... More Details >>
Accuracy class index of active energy
Accuracy class index of active energy is a number which gives the limits of the permissible percentage error as defined in the IEC62053-22. More Details >>
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