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FAQ within [ Energy Measuring Units ]

1-10 of Total 36

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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 >>
- No：22126
- Release Date：2018/08/27 16:41
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 >>
- No：24808
- Release Date：2019/03/27 14:44
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 >>
- No：38042
- Release Date：2021/02/25 17:54
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 >>
- No：38040
- Release Date：2021/02/25 17:54
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 >>
- No：38041
- Release Date：2021/02/25 17:54
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 >>
- No：22140
- Release Date：2018/08/27 16:41
Sample program for MODBUS RTU communi...

Sample programs are described in Programming Manual. Please refer to MODBUS Interface specifications (LSPY-9025) and MODBUS Interface soecifications(LSPY-9... More Details >>
- No：24806
- Release Date：2019/03/27 12:12
Error No.00１（EcoMonitorPlus, EcoMonit...

Error "No. 001" means start failure of CC-Link communication unit. Please try either step. Solution：・Press and hold the reset button of CC-Link communica... More Details >>
- No：24810
- Release Date：2019/03/27 14:44
MEASURE LED not blink (EcoMonitorPlus).

MEASURE LED lights while measuring electric power over 0.4% of the total load power. Check below points: 1. Is voltage wiring connected? 2. Are the trans... More Details >>
- No：22144
- Release Date：2018/08/27 16:41
As to changing location of the decima...

Since location of the decimal point or units of the measured value displayed is decided by Total load power, it is impossible to change location of the decim... More Details >>
- No：22139
- Release Date：2018/08/27 16:41

1-10 of Total 36

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