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QE81-WH Energy Module
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Catalog excerpts

QE81-WH Energy Module - 1

Programmable Controllers MELSEC-Q Series Energy Measuring Module energy information is simple!! Making both productivity improvements and cost reductions compatible through visualization of energy information.

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QE81-WH Energy Module - 2

Features of industry's first* PLC slot mounted type Energy Measuring Module Achieves addition of measuring instrument without any additional space By mounting the energy measuring module onto the open slot of the base unit, measuring instrument can be added without changing the layout in the control panel. Control panel Control panel -Current sensor Achieves wire savings and engineering workload reductions With a communication unit, communication cable and creation of a communication program are no longer needed, cost reductions can be realized by wire savings and engineering workload...

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QE81-WH Energy Module - 3

Installation Examples of the Energy Measuring Module Solution example Energy Savings Detailed specific energy consumption management is available per manufacturing item or process. Performing a detailed specific energy consumption management leads to reductions in energy consumption of the equipment, and this can promote energy savings. Example: Automobile production line (1) Whole-line power consumption Term power consumption Term power consumption measurement flag = ON measurement Measurement of power consumption per manufacturing item or process synchronizing the control timing...

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QE81-WH Energy Module - 4

Applicable System (1) Applicable CPU units and the number of QE81WH units The CPU units on which QE81WH can be installed and the number of installable QE81WH units are shown below. The power source capacity may run short depending on combinations with other units installed or the number of installed measurement units. Make sure to consider the power source capacity when installing the units. If the power source capacity runs short, consider the combination of the units to be installed (a) When installing on a CPU unit (b) When installing on a MELSECNET/H remote I/O station *1: Limited to be...

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QE81-WH Energy Module - 5

Sensors, Cables / Dimensions /Terminal cover terminal screw Select a current sensor to be used according to the current value of the measurement circuit. The following are the schematic diagrams. For official connection diagrams, refer to page 6. 1. For measurement circuit current of 50A to 600A | Current input is available from our split-type current sensor. ■Equipment configuration example Current cable Voltage cable with a measurement circuit current of 100A] Note 1: Current and voltage cables are supplied by the customer. Note 2: Lay cables with a maximum distance of 50m between QE81WH...

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QE81-WH Energy Module - 6

Connection Diagrams Split-type current sensor Load side (motor, etc.) * Cables between QE81WH and the split-type current sensor are supplied by the customer Split-type current sensor Load side (lighting, etc.) * Cables between QE81 WH and the split-type current sensor are supplied by the customer (instrument voltage transformer / current transformer used together) QE Series dedicated 5A current sensor cable nstrument voltage ~ * When installed in the low-voltage circuit (600V or less), it is not required to ground the cable on the secondary side of the instrument voltage transformer...

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QE81-WH Energy Module - 8

Mitsubishi Electric Programmable Controllers Energy Measuring Module This publication explains the typical features and functions of the L Series programmable controllers and does not provide restrictions and other information on usage and module combinations. Before using the products, always read the product user manuals Mitsubishi Electric will not be held liable for damage caused by factors found not to be the cause of Mitsubishi Electric; opportunity loss or lost profits caused by faults in Mitsubishi Electric products; damage, secondary damage, accident compensation caused by special...

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