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Mitsubishi Electric MELSEC-Q QE81WH4W User Manual

Energy measuring module
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Energy Measuring Module
Thank you for purchasing the Mitsubishi MELSEC-Q series
programmable controllers.
Before using this product, please read this manual carefully and pay
full attention to safety to handle the product correctly.
Mitsubishi
Programmable Controller
C 2012 MITSUBISHI ELECTRIC CORPORATION
User's Manual
QE81WH4W
MODEL QE81WH4W-U-SY-E
MODEL
CODE
IB63704-A
（Details）
MODEL
19H861

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Summary of Contents for Mitsubishi Electric MELSEC-Q QE81WH4W

  • Page 1 Thank you for purchasing the Mitsubishi MELSEC-Q series programmable controllers. Before using this product, please read this manual carefully and pay full attention to safety to handle the product correctly. Mitsubishi MODEL QE81WH4W-U-SY-E Programmable Controller MODEL 19H861 CODE IB63704-A C 2012 MITSUBISHI ELECTRIC CORPORATION...
  • Page 2 IB63704-A ● SAFETY PRECAUTIONS ● (Read these precautions before using this product.) This manual contains important instructions for MELSEC-Q series QE81WH4W. Before using this product, please read this manual and the relevant manuals carefully and pay full attention to safety to handle the product correctly. The precautions given in this manual are concerned with this product only.
  • Page 3 CAUTION  Do not install the input signal wire together with the main circuit lines or power cables. Keep a distance as below. (Except for the terminal input part) Failure to do so may result in malfunction due to noise. Conditions Distance Below 600V, or 600A power lines...
  • Page 4 CAUTION  When using this product, make sure to use it in combination with current sensor (EMU-CT□□□ series or EMU2-CT5-4W) and Voltage transform unit (QE8WH4VT). Please not to exceed the ratings of this product for input of current sensor. For further details, please refer to current sensor manual to maintain the functionality and the accuracy of this product.
  • Page 5 [Start-up Precautions] CAUTION  Use the product within the ratings specified in this manual. When using it outside the ratings, it not only causes a malfunction or failure but also there is a fear of igniting and damaging by a fire. ...
  • Page 6 This manual does not guarantee to protect or does not give permission to any industrial property and any related rights. Also, our company shall not be held any responsible for any issues related to industrial properties due to product usage described in this manual.  2012 MITSUBISHI ELECTRIC CORPORATION A - 5...

  • Page 7: Table Of Contents

    Table of Content Safety precautions············································································································································A-1 Revision history ················································································································································A-5 Table of content················································································································································A-6 Compliance with the EMC and Low Voltage Directives··················································································A-8 Product configuration ·······································································································································A-8 Chapter 1: Overview 1.1 Features ····················································································································································· 1-1 Chapter 2: System Configuration 2-1 - 2-4 2.1 Applicable system ······································································································································ 2-1 2.2 Precautions for system configuration ········································································································...
  • Page 8 Chapter 7: Setting and procedure for operation 7-1 - 7-22 7.1 Precautions for handling ·························································································································· 7-1 7.2 Procedure for operation ··························································································································· 7-2 7.3 Name and function of each part················································································································· 7-3 7.4 Attaching and removing the module ········································································································ 7-5 7.5 Wiring ························································································································································ 7-7 7.6 Setting from GX Developer ····················································································································...

  • Page 9: Compliance With The Emc And Low Voltage Directives

    Compliance with the EMC and Low Voltage Directives (1) For programmable controller system To configure a system meeting the requirements of the EMC and Low Voltage Directives when incorporating the Mitsubishi programmable controller (EMC and Low Voltage Directives compliant) into other machinery or equipment, refer to Chapter 9 "EMC AND LOW VOLTAGE DIRECTIVES" of the QCPU User's Manual (Hardware Design, Maintenance and Inspection).
  • Page 10 Note A - 9...

  • Page 11: Chapter 1: Overview

    1 Overview QE81WH4W Chapter 1: Overview This manual explains specifications, handling methods, and programming of Energy Measuring Module QE81WH4W (hereinafter, abbreviated as QE81WH4W) supporting MELSEC-Q series. 1.1 Features (1) This Energy Measuring Module can measure various types of electric quantity. It can measure electric energy, reactive energy, current, voltage, electric power, reactive power, apparent power, power factor, and frequency.

  • Page 12: Chapter 2: System Configuration 2-1

    2 System configuration QE81WH4W Chapter 2: System Configuration 2.1 Applicable system The following describes applicable systems. (1) Applicable module and the quantity of attachable pieces (a)When mounted with CPU module CPU module to which QE81WH4W can be attached and the number of attachable pieces are shown below.
  • Page 13 2 System configuration QE81WH4W Applicable CPU Module Remarks Number of modules CPU Type CPU Model Q06CCPU-V C Controller module Q06CCPU-V-B Q12DCCPU-V (b) When mounted with MELSECNET/H remote I/O station The table below shows the network modules applicable to the QE81WH4W and the number of network modules to be mounted.

  • Page 14: Precautions For System Configuration

    2 System configuration QE81WH4W 2.2 Precautions for system configuration (1) The number of attachable modules by the power module The table below shows the number of modules by the power module. Applicable Power Module Remarks Number of modules Q61P Q62P Q63P Q64PN Q61P-D...
  • Page 15 2 System configuration QE81WH4W (2) How to check the function version and serial number (a) Checking on the front of the module. The serial number and function version on the rating plate is shown on the front (at the bottom) of the module. Function version Serial number (b) Checking on the System monitor dialog box (Product Information List)

  • Page 16: Chapter 3: Specifications 3-1

    3 Specifications QE81WH4W Chapter 3: Specifications 3.1 General specifications Item Specifications Phase wire system three-phase 4-wire 63.5/110 - 277/480V AC Rating Voltage circuit （Selected from: 63.5/110V，100/173V，105/182V，110/190V，115/199V，120/208V， 127/220V， 200/346V， 220/380V， 230/400V， 240/415V， 242/420V， 250/430V， 254/440V， 265/460V，277/480V AC. Each value refers to the primary voltage of voltage transform ）...

  • Page 17: Electrical And Mechanical Specifications

    3 Specifications QE81WH4W 3.2 Electrical and mechanical specifications Item Specifications Consumed VA Voltage P1-P0: 2VA, P2-P0: 0.3VA, P3-P0: 0.3VA (primary side of voltage transform circuit unit) Current Each phase 0.1 VA (secondary side of current sensor) circuit Internal current 0.18 A consumption (5 V DC) Operating temperature 0 –...
  • Page 18 3 Specifications QE81WH4W *1. This indicates the assumed area of electric distribution to which the device is connected, the area ranging from public distribution to factory machinery. The category II applies to the device power-supplied from fixed facility. The surge voltage of this product is 2500 V up to the rated voltage of 300 V.

  • Page 19: Chapter 4: Functions 4-1

    4 Functions QE81WH4W Chapter 4: Functions 4.1 List of functions Functions of QE81WH4W are provided in Table 4.1-1 The “n” that is used in this and later chapters (for example: Xn0, Yn0, Un\G0, etc.) refers to the number that appears at the beginning of QE81WH4W. Table 4.1-1 List of Functions Reference Function...

  • Page 20: Functions In Detail

    4 Functions QE81WH4W 4.2 Functions in detail 4.2.1 Measuring functions (1) Measured items Measured items and measured ranges are described as follows: Each measured item is stored in the buffer memory every 250 ms. Measured items Details 1 - phase current Current 2 - phase current 3 - phase current...
  • Page 21 4 Functions QE81WH4W Power factor Present value Max. value Min. value Date/time of max. value occurrence Date/time of min. value occurrence Frequency Present value Electric energy Electric energy (consumption) Electric energy (regeneration) Reactive energy (consumption lag) Periodic electric energy Periodic electric energy 1 Periodic electric energy 2 *2: When the output device is ON, the active power (consumption) is measured.
  • Page 22 4 Functions QE81WH4W (3) Resolution of measured data Resolution of measured data according to the rating (phase wire system, primary voltage, and primary current) is described as follows. 1) Current, current demand Rated primary current setting Multiplier Resolution* 2 digits after the 5 A to 30 A 0.01 A decimal point...
  • Page 23 4 Functions QE81WH4W 5) Frequency Frequency Multiplier Resolution* 1 digit after the All setting ranges 0.1 Hz decimal point * Digits lower than the resolution are fixed to 0. 6) Electric energy, periodic electric energy Full load power Multiplier Resolution* Range [kWh,kvarh] Ⅰ.
  • Page 24 4 Functions QE81WH4W (4) Restrictions for measuring data - Measurement cannot be performed immediately after the power loading to the sequencer system (Module ready signal is under the OFF condition). After checking that Module ready (Xn0) is ON, obtain measuring data. - Measurement cannot be performed immediately after operating conditions are set up to the module.

  • Page 25: Measuring Function For Periodic Electric Energy

    4 Functions QE81WH4W 4.2.2 Measuring function for periodic electric energy This function is to measure electric energy for a certain period, and stores it into the buffer memory. It can be used to measure electric energy for a certain tact or energy (standby power) when the facility or equipment is not in operation.
  • Page 26 4 Functions QE81WH4W (2) Basic procedure 1) Measuring periodic electric energy (a) Check that Periodic electric energy measurement flag (Yn1/Yn2) is OFF. (b) Check periodic electric energy (Un\G114, 115/Un\G116, 117). (c) When starting measurement, set Periodic electric energy measurement flag (Yn1/Yn2) to This module starts measuring specified periodic electric energy, and Periodic electric energy data completion flag (Xn1/Xn2) will be turned OFF.
  • Page 27 4 Functions QE81WH4W (3) Sample use case 1) Procedure for continuously measuring periodic electric energy If you turn Periodic electric energy measurement flag (Yn1/Yn2) to ON only for the extent of time you want to measure, this module accumulates the power starting at the previously measured amount.

  • Page 28: Max./Min. Value Hold Function

    4 Functions QE81WH4W 4.2.3 Max./min. value hold function It memorizes the max./min. value for each measured item, and retains it until the max./min. value clear is performed. (1) Max./min. value memory 1) It memorizes the max. and min. values for the following measured item. - Current demand - Voltage (L-L) - Electric power demand...

  • Page 29: Upper/Lower Limit Alarm Monitoring Function

    4 Functions QE81WH4W 4.2.4 Upper/lower limit alarm monitoring function You can set an upper and lower limit alarm for maximum two points and implement a monitoring function for them. During the alarm monitoring, it can monitor the input signal to check for the occurrence.
  • Page 30 4 Functions QE81WH4W (2) Behavior of the upper/lower limit alarm 1) When the alarm reset method is in the “self-retention” setting (example of an upper limit monitoring at alarm 1) (a) If the measured value that was set with the alarm 1 monitoring item exceeds the upper limit and the situation continues and remains for the alarm 1 delay time, Alarm 1 flag (XnA) will turn ON.
  • Page 31 4 Functions QE81WH4W 3) An example of the alarm 1 was indicated in 1) and 2) above. The alarm 2 will be in accordance with the same behavior. For the setting items for the buffer memory that corresponds to the alarm 2 and the I/O signals, refer to Chapters 5 and 6.
  • Page 32 4 Functions QE81WH4W (3) How to reset Alarm flag 1) When Alarm flag is ON during the alarm occurrence or the self-retention (in the case of the alarm reset method = “self-retention“), Alarm flag can be reset (turned OFF) using Alarm reset request.

  • Page 33: Test Function

    4 Functions QE81WH4W 4.2.5 Test function This function is to output pseudo-fixed value to a buffer memory for debugging sequence program. The value can be output to the buffer memory without input of voltage and current. (1) How to use the test function 1) Using the intelligent function module switch setting, you can start the test mode to output the fixed value.

  • Page 34: Chapter 5: I/O Signal To Cpu Module 5-1

    5 I/O signals to CPU module QE81WH4W Chapter 5: I/O signals to CPU module 5.1 List of I/O signals I/O signals of QE81WH4W are listed in Table 5.1-1 Table 5.1-1 List of I/O signals Input signal (signal direction from QE81WH4W to CPU Output signal (signal direction from CPU module to module) QE81WH4W)

  • Page 35: Details Of I/O Signals

    5 I/O signal to CPU module QE81WH4W 5.2 Details of I/O signals Detailed explanation about I/O signals of QE81WH4W is provided as follows: 5.2.1 Input signals (1) Module ready (Xn0) (a) When the power of CPU module is turned on or the CPU module reset is performed, it will turn ON as soon as the measurement is ready.
  • Page 36 5 I/O signal to CPU module QE81WH4W (7) Operating condition setting completion flag (Xn9) (a) When turning Operating condition setting request (Yn9) to ON and changing the following settings, this signal (Xn9) turns ON. - Phase wire system (Un\G0) - Input voltage (Un\G1) - Primary current (Un\G2) - Current demand time (Un\G3) - Electric power demand time (Un\G4)
  • Page 37 5 I/O signal to CPU module QE81WH4W (10) Integrated valve set completion flag (XnC) (a) When Integrated valve set request (YnC) is turned ON, and preset of each integrated value such as electric energy (consumption), electric energy (regeneration), reactive energy (consumption delay) is completed, this signal (XnC) turns ON. (b) When Integrated valve set request (YnC) is turned OFF, this signal (XnC) turns OFF.

  • Page 38: Output Signals

    5 I/O signal to CPU module QE81WH4W 5.2.2 Output signals (1) Periodic electric energy 1 measurement flag (Yn1) (a) When switching this signal (Yn1) from the ON status to the OFF status, the periodic electric energy 1 is measured, and will be stored into the buffer memory. (b) When this signal (Yn1) is turned OFF, Periodic electric energy 1 data completion flag (Xn1) is turns ON at the time that the periodic electric energy 1 is checked for that period, and then the periodic electric energy 1 is retained.
  • Page 39 5 I/O signal to CPU module QE81WH4W (c) When this request (Yn9) is turned OFF, Operating condition setting completion flag (Xn9) turns OFF. (6) Alarm 1 reset request (YnA) (a) When Alarm 1 flag (XnA) is reset, this request (YnA) turns ON. (b) When this request (XnA) is switched from the OFF status to the ON status, Alarm 1 flag (XnA) will forcibly be turned OFF regardless of the present alarm occurrence status.

  • Page 40: Chapter 6: Buffer Memory 6-1

    6 Buffer memory QE81WH4W Chapter 6: Buffer memory 6.1 Buffer memory assignment The following describes buffer memory assignment. Point In the buffer memory, do not write data to the "system area" or area where data writing data from sequence programs is disabled. Doing so may cause malfunction.

  • Page 41: Measurement Sections (Un\G100 To Un\G2999)

    6 Buffer memory QE81WH4W (2) Measurement sections (Un \ G100 to Un \ G2999) Table 6.1-2 Measurement sections (Un G100 G2999) 1/3 *1 Even if the power failure is restored, data is held because data is backed up by the nonvolatile memory.
  • Page 42 6 Buffer memory QE81WH4W Table 6.1-2 Measurement sections (Un \ G100 to Un \ G2999) 2/3 Output value Address Data Default Back Item Description during the test (Decimal) Type value mode* Voltage Multiplier of voltage System area 1 - 2 line voltage 20100 2 - 3 line voltage 20200...
  • Page 43 6 Buffer memory QE81WH4W Table 6.1-2 Measurement sections (Un \ G100 to Un \ G2999) 3/3 *1 Even if the power failure is restored, data is held because data is backed up by the nonvolatile memory. *2 For the procedure for using the test mode, refer to section 4.2.5. 6 –...

  • Page 44: Common Sections (Un\3000 To Un\G4999)

    6 Buffer memory QE81WH4W (3) Common sections (Un\G3000 to Un\G4999) Table 6.1-3 Common sections (Un\G3000 Un\G4999) Output value Address Data Default Back Item Description during the test (Decimal) Type value mode* ○ Error 3000 Latest error code ○ 3001 Year of time of error 2019H ○...
  • Page 45 6 Buffer memory QE81WH4W 6.2 Configurable sections (Un \ G0 to Un \ G99) 6.2.1 Phase wire system (Un \ G0) Phase wire system for target electric circuits is configured. Do not change the set value from the default value of 4. Because this product is a three-phase four-wire dedicated product.
  • Page 46 6 Buffer memory QE81WH4W (2) Default value Input voltage (Un¥G1) is set to 63.5/110 V (101). Primary voltage of VT (Un¥G5) is set to 0. Secondary voltage of VT (Un¥G6) is set to 0. 6.2.3 Primary current (Un \ G2) , Primary current of CT (Un \ G7) ・Primary current (Un\G2): set the primary current of the target electric circuit.
  • Page 47 6 Buffer memory QE81WH4W Primary current (Un\G2) Primary current of CT Current sensor (Un\G7) Setting value Description 80/5A 100/5A 120/5A 150/5A 200/5A 250/5A 300/5A 400/5A 500/5A 600/5A 0 – 6600 750/5A EMU2-CT5-4W (However, this setting is 800/5A disabled) 1000/5A 1200/5A 1500/5A 1600/5A 2000/5A...
  • Page 48 6 Buffer memory QE81WH4W 6.2.4 Current demand time (Un \ G3) Set a time duration for which the average fluctuation of current demand is measured from the measured current value. If current demand time is set short, the response to change of current will be quick; however, the fluctuation range may be too large.
  • Page 49 6 Buffer memory QE81WH4W 6.2.6 Alarm 1 item (Un \ G11), alarm 2 item (Un \ G21) Set which measuring item will be monitored for the upper/lower limit alarm. Alarm 1 and 2 operate independently. (1) Setting procedure (a) Set the item for alarm 1 and 2 in the buffer memory. Setting range is as follows: Setting value Description No monitoring...
  • Page 50 6 Buffer memory QE81WH4W *2 The idea of upper and lower for PF upper /lower limit judgment is shown below. -0.1 -0.2 -99.8 -99.9 100.0 99.9 99.8 下 上 Lower Upper (進み) (遅れ) (Forward) (Delayed) (c) Turn Operating condition setting request (Yn9) from OFF to ON to enable the setting. (Refer to 5.2.2 (5).) (2) Default value It is set to 0 (no monitoring).
  • Page 51 6 Buffer memory QE81WH4W 6.2.8 Alarm 1 reset method (Un \ G14), Alarm 2 reset method (Un \ G24) Set the reset method of the alarm1 and alarm 2. For differences in behavior of alarm monitoring for different reset methods, refer to 4.2.4 (2). Setting procedure (a) Set the reset method for alarm 1 and 2 in the buffer memory.
  • Page 52 6 Buffer memory QE81WH4W 6.2.10 Set Integrated value setting target (Un \ G51) and Integrated value setting value (Un \ G52, 53) (1) Setting procedure (a) Set the integrated value setting target in the buffer memory. Setting range is as follows: Setting value Description No set...
  • Page 53 6 Buffer memory QE81WH4W 6.3 Measurement sections (Un \ G100 to Un \ G2999) 6.3.1 Multiplier of electric energy (Un \ G100) Multiplier of electric energy are stored. As to how the multiplier is determinate, refer to section 4.2.1 (3). (1) Details of stored data (a) Storage format Data are stored as 16-bit signed binary in the buffer memory.
  • Page 54 6 Buffer memory QE81WH4W 6.3.3 Reactive energy (consumption lag) (Un \ G106, 107) Delayed consumption of the reactive energy is stored. (1) Details of stored data (a) Storage format Data are stored as double-word 32-bit signed binary in the buffer memory. - Data range: 0 to 999999999 *For restrictions for measured data including resolution and measuring range, refer to section 4.2.1.
  • Page 55 6 Buffer memory QE81WH4W 6.3.5 Multiplier of the electric current (Un \ G200) The multiplier of the electric current is stored. (1) Details of stored data (a) Storage format Data are stored as 16-bit signed binary in the buffer memory. - Data range: -3 (fixed) (b) Update timing Because it is fixed at -3, there is no update.
  • Page 56 6 Buffer memory QE81WH4W 6.3.8 Average current (Un \ G218, 219) Stores the average current. For procedure for storing the average current, refer to section 4.2.1 (2). (1) Details of stored data (a) Storage format Data are stored as double-word 32-bit signed binary in the buffer memory. - Data range:0 to 99999990 (0 to 99999.990 A) *For restrictions for measured data including resolution and measuring range, refer to section 4.2.1.
  • Page 57 6 Buffer memory QE81WH4W 6.3.10 Year of time of the max. current demand (Un \ G222), month and day of time of the max. current demand (Un \ G223), hour and minute of time of the max. current demand (Un \ G224), second and day of the week of time of the max.
  • Page 58 6 Buffer memory QE81WH4W 6.3.11 Multiplier of the electric voltage (Un \ G300) The multiplier of the electric voltage is stored. (1) Details of stored data (a) Storage format Data are stored as 16-bit signed binary in the buffer memory. - Data range: -3 (fixed) (b) Update timing Because it is fixed at -3, there is no update.
  • Page 59 6 Buffer memory QE81WH4W 6.3.14 Average value voltage (L-L) (Un \ G314, 315), Average value voltage (L-N) (Un \ G316, 317) Stores the average line voltage and the average phase voltage. For procedure for storing the average voltage using phase wire system, refer to 4.2.1 (2). (1) Details of stored data (a) Storage format Data are stored as double-word 32-bit signed binary in the buffer memory.
  • Page 60 6 Buffer memory QE81WH4W 6.3.16 Year of time of the max. voltage (L-L) (Un \ G322), month and day of time of the max. voltage (L-L) (Un \ G323), hour and minute of time of the max. voltage (L-L) (Un \ G324), second and day of the week of time of the max.
  • Page 61 6 Buffer memory QE81WH4W 6.3.17 Multiplier of power (Un \ G400) The multiplier of power is stored. (1) Details of stored data (a) Storage format Data are stored as 16-bit signed binary in the buffer memory. - Data range: -3 (fixed) (b) Update timing Because it is fixed at -3, there is no update.
  • Page 62 6 Buffer memory QE81WH4W 6.3.20 Maximum value of electric power demand (Un \ G420, 421), minimum value of electric power demand (Un \ G426, 427) Stores the max./min. values of the electric power demand. (1) Details of stored data (a) Storage format Data are stored as double-word 32-bit signed binary in the buffer memory.
  • Page 63 6 Buffer memory QE81WH4W 6.3.21 Year of time of the max. electric power demand (Un \ G422), month and day of time of the max. electric power demand (Un \ G423), hour and minute of time of the max. electric power demand (Un \ G424), second and day of the week of time of the max.
  • Page 64 6 Buffer memory QE81WH4W 6.3.22 Multiplier of reactive power (Un \ G500), Multiplier of apparent power (Un \ G600) The number of decimal places the reactive power and the apparent power are stored. (1) Details of stored data (a) Storage format Data are stored as 16-bit signed binary in the buffer memory.
  • Page 65 6 Buffer memory QE81WH4W 6.3.25 Multiplier of power factor (Un \ G700) The multiplier of the power factor is stored. (1) Details of stored data (a) Storage format Data are stored as 16-bit signed binary in the buffer memory. - Data range: -3 (fixed) (b) Update timing Because it is fixed at -3, there is no update.
  • Page 66 6 Buffer memory QE81WH4W 6.3.27 Year of time of the max. power factor (Un \ G722), month and day of time of the max. power factor (Un \ G723), hour and minute of time of the max. power factor (Un \ G724), second and day of the week of time of the max.
  • Page 67 6 Buffer memory QE81WH4W 6.3.28 Multiplier of the frequency (Un \ G800) The multiplier of the frequency is stored. (1) Details of stored data (a) Storage format Data are stored as 16-bit signed binary in the buffer memory. - Data range: -3 (fixed) (b) Update timing Because it is fixed at -3, there is no update.
  • Page 68 6 Buffer memory QE81WH4W 6.4 Common sections (Un \ G3000 to Un \ G4999) 6.4.1 Latest error code (Un \ G3000) The latest error code that is detected with this module will be stored. *For the list of error codes, refer to section 9.1. (1) Details of stored data (a) Storage format Data are stored as 16-bit signed binary in the buffer memory.

  • Page 69: Chapter 7: Setting And Procedure For Operation

    7 Setting and procedure for operation QE81WH4W Chapter 7: Setting and procedure for operation 7.1 Precautions for handling (1) Do not drop or apply strong shock to the module case. (2) Do not remove the printed-circuit board of the module from the case. Doing so may cause failure.

  • Page 70: Procedure For Operation

    7 Setting and procedure for operation QE81WH4W 7.2 Procedure for operation Start Attaching the module Attach QE81WH4W to the specified base unit. (Refer to section 7.4.) Wiring Wire QE81WH4W for external device. (Refer to section 7.5.) Setting the intelligent function of module switch, Initial setting Perform settings using GX Developer (Refer to section 7.6.)

  • Page 71: Name And Function Of Each Part

    7 Setting and procedure for operation QE81WH4W 7.3 Name and function of each part Names and functions of parts of QE81WH4W are provided below. (1)LED Operation status of this module is displayed. (Refer to 7-4.) (5) Push button (2) Strip gauge Use this button to A gauge that is used for insert a cable to the...
  • Page 72 7 Setting and procedure for operation QE81WH4W (1) Names and functions of LEDs The following describes names and functions of LEDs. Table 7.3-1 Names and functions of LEDs Name Color Role ON/OFF condition RUN LED Green Displays the operation Normal operation status of this module.

  • Page 73: Attaching And Removing The Module

    7 Setting and procedure for operation QE81WH4W 7.4 Attaching and removing the module 7.4.1 How to attach to the base unit Base unit Insert it securely so that the protruding portion for fixing the module* does not come off of the module-fixing hole.
  • Page 74 7 Setting and procedure for operation QE81WH4W 7.4.2 How to detach it from the base unit Hold the module with both hand, and push the hook for fixing the module located on top of the module until it stops. Push Lift it up While pushing the hook for fixing the module...

  • Page 75: Wiring

    7 Setting and procedure for operation QE81WH4W 7.5 Wiring 7.5.1 Precautions for wiring (1) The voltage transform unit is required for voltage input. (Refer to section 7.5.3) (2) For the current circuit input, Mitsubishi’s current sensor is required. (Refer to section 7.5.3) (3) Connect cables.
  • Page 76 7 Setting and procedure for operation QE81WH4W 7.5.2 How to connect wires (1) Follow the wiring diagram for external connection to QE81WH4W. (2) Use appropriate electric wires as described below. <Voltage input terminals> (a) Stripping length of the used wire in use has to be 5 to 6mm. Check the stripping length please use the strip gauge at the bottom of QE81WH4W main body.
  • Page 77 7 Setting and procedure for operation QE81WH4W 7.5.3 How to wire Follow the wiring diagram (Figure 7.5.3-1~7.5.3-3) for external connection of QE81WH4W. Power source side QE8WH4VT Voltage transform unit EMU-CT*** model split current sensor （50/100/250/400/600） Load side Figure 7.5.3-1 In the case of Three-phase 4-wire (with the voltage transform unit / current transformer) Power source side QE8WH4VT...
  • Page 78 7 Setting and procedure for operation QE81WH4W Power source side QE8WH4VT Voltage transform unit Load side EMU-CT*** model split current sensor （50/100/250/400/600） Figure 7.5.3-3 In the case of Three-phase 4-wire (with the voltage transform unit / current transformer, Parallel connection of QE81WH4W multiple units) *1 Measurement module can be connected to a voltage transform unit is up to five.
  • Page 79 7 Setting and procedure for operation QE81WH4W 7.5.3.1 Current circuit connection For the current circuit connection, there are two ways as follows: 1) You can connect current sensor to the circuit, or 2) You can attach the 5 A current sensor to the secondary of the existing current transformer. (1) To attach current sensor (for low voltage circuit) to the circuit Select an appropriate current sensor according to the current capacity of the circuit to be measured.
  • Page 80 7 Setting and procedure for operation QE81WH4W ■ How to attach EMU-CT400/CT600 Follow the procedure below to attach the cable to the target circuit. 1) Release the band 1) to the arrow direction (top), and Core cover detach the core cover. 2) Remove the terminal cover, and shift the secondary short switch into “short”.
  • Page 81 7 Setting and procedure for operation QE81WH4W Caution  The lock pin is made of metal. If you let it touch electrically charged portions, it may cause electric shock or device failure or fire. Be careful handling the lock pin. ...
  • Page 82 7 Setting and procedure for operation QE81WH4W ■ Extending the cable of 5 A current sensor If the cable from current sensor is too short, you can extend it by using an extension cable as shown below. Extension cable (standard) Model name EMU2-CB-T1M EMU2-CB-T5M...
  • Page 83 7 Setting and procedure for operation QE81WH4W 7.5.3.2 Voltage circuit connection For the voltage circuit connection, there are two ways as follows: 1) Connect the voltage transform unit direct to the circuit. 2) Connect the voltage transform unit to voltage transformer secondary side. ...

  • Page 84: Setting From Gx Developer

    7 Setting and procedure for operation QE81WH4W 7.6 Setting from GX Developer This section explains setting from GX Developer necessary to use QE81WH4W. Before performing this setting, install GX Developer and connect the Management CPU with the PC using a USB cable. For details, refer to the manual of CPU module.
  • Page 85 7 Setting and procedure for operation QE81WH4W 7.6.2 Setting the intelligent function of the module switch (1) In the “I/O assignment” of 7.6.1, click the Switch setting button to display the dialog box of “I/O module, intelligent function module switch setting”. (2) The intelligent function module switch setting displays switches 1 to 5;...
  • Page 86 7 Setting and procedure for operation QE81WH4W 7.6.3 Initial setting This section explains the setting of the operating condition for input voltage, primary current, current demand time, voltage demand time, primary voltage of VT, secondary voltage of VT, primary current of CT that are required for measurement. Once each value is set, these values will be stored in the nonvolatile memory of the module, so that reconfiguration is not needed.
  • Page 87 7 Setting and procedure for operation QE81WH4W (2) Set the Buffer memory 1) In the dialog box to monitor all buffer memories, click the Device test button to display the Device test dialog box. 2) In the Word device / buffer memory, specify the module initial address and buffer address, and click the Set button to apply the setting.
  • Page 88 7 Setting and procedure for operation QE81WH4W 7.6.4 Setting function for integrated value This function is to set integrated value ( electric energy ( consumption, regeneration ) and reactive energy (consumption lag) ) to any value. If you want to clear integrated value, set it to 0. (1) Check the current setting 1) From the “Online”...
  • Page 89 7 Setting and procedure for operation QE81WH4W (2) Setting function for integrated value This function is to set integrated value (electric energy (consumption, regeneration) and reactive energy (consumption lag)) to any value. If you want to clear integrated value, set it to 0. 1) In the dialog box to monitor all buffer memories, click the Device test button to display the Device test dialog box.
  • Page 90 7 Setting and procedure for operation QE81WH4W 7.6.5 Debugging program QE81WH4W provides a test function so that you can debug a program with no input of voltage or current. Pseudo-value can be stored into the buffer memory. For detailed explanation for the test function, refer to 4.2.5.

  • Page 91: Chapter 8: Programming 8-1

    8 Programming QE81WH4W Chapter 8: Programming This chapter explains about programming for QE81WH4W. When you apply sample programs introduced in this chapter into the actual system, make sure to verify in advance that there is no problem with the target system control. Follow the procedure in Figure 8.1-1 to create a sample program using QE81WH4W.

  • Page 92: System Configuration And Usage Conditions For Sample Program

    8 Programming QE81WH4W 8.2 System configuration and usage conditions for sample program A sample program under the following system and the usage condition is shown below. (1) System configuration QY40 (Y20 to Y2F) QCPU QX40 (X10 to X1F) QE81WH4W (X/Y0 to X/YF) Figure 8.2-1 Sample system configuration using a sample program (2) Setting conditions for the intelligent function of the module switch Setting is as follows:...
  • Page 93 8 Programming QE81WH4W (c) Data acquisition clock setting - Output period of data acquisition clock : 1000 (1sec) (4) Before creating a program Before creating a program, attach QE81WH4W to the base unit, and connect it to external devices. Eurrent sensor: EMU-CT250 Voltage transform unit: QE8WH4VT Power source side Load side...

  • Page 94: Sample Programming

    8 Programming QE81WH4W 8.3 Sample programming (1) List of devices Table 8.3-1 List of devices Device Function Device that stores Multiplier of electric energy D2, D3 Device that stores electric energy (consumption) D4, D5 Device that stores average current D6, D7 Device that stores average value voltage (L-L) D8, D9 Device that stores average value voltage (L-N)
  • Page 95 8 Programming QE81WH4W (2) List of buffer memories to be used Table 8.3-2 List of buffer memories to be used Device Description Setting Remarks value U0 \ G1 Input voltage 220 / 380 V U0 \ G2 Primary current 250 A U0 \ G3 Current demand time 30 sec...
  • Page 96 8 Programming QE81WH4W (3) Sample program 1. Initial setting program for QE81WH Request of Primary Module READY operating voltage condition setting Primary current Current demand time Basic operating condition Electric power setting demand time Primary voltage of VT Secondary voltage of VT Primary current of CT Alarm 1 item...
  • Page 97 8 Programming QE81WH4W 2. Measured data acquisition program Multiplier of Module Output period of electric energy READY data acquisition clock Electric energy (consumption) Average current Average value voltage (L-L) Average value Acquire each type of voltage (L-N) the measured values Active energy Reactive energy Apparent power...

  • Page 98: Chapter 9: Troubleshooting 9-1

    9 Troubleshooting QE81WH4W Chapter 9: Troubleshooting 9.1 List of error codes When the data are written to the CPU module from this module or when a reading error occurs, error codes will be stored into the following buffer memory. Table 9.1-1 Latest error code, storage destination upon error occurrence Latest error code Time of error occurrence Un\G3000...

  • Page 99: Troubleshooting

    9 Troubleshooting QE81WH4W Error code Error Descriptions Action Reference (HEX) level Set secondary voltage of VT within Secondary voltage of VT (Un¥G6) is the range of 0 to 220 (V). Section 100Eh set out of range. However, this setting cannot set 0 6.2.2 when primary voltage (Un¥G1) is 0.
  • Page 100 9 Troubleshooting QE81WH4W 9.2.2 When “ERR.” LED is turned on or flashing (1) If it is ON Table 9.2.2-1 When “ERR.” LED is turned on Check item Action Reference Check latest error code (Un\G3000), and take a corrective action as described in section 9.1. After that, reset CPU module, and check whether it is Section turned on.
  • Page 101 9 Troubleshooting QE81WH4W 9.2.3 If electric energy cannot be measured The following check has to be performed while current is flowing from the power source side to the load side. Table 9.2.3-1 If electric energy cannot be measured Check item Action Reference “MEA.”...
  • Page 102 9 Troubleshooting QE81WH4W 9.2.4 If the electric current and voltage that are measured using this module do not match with the ones measured with other gauge Table 9.2.4-1 If current and voltage that are measured using this module do not match with the ones measured with other gauge Check item Action...

  • Page 103: Q&A

    9 Troubleshooting QE81WH4W Q&A 9.3.1 General To what degree is the module durable against overvoltage and overcurrent? Is external protective circuit required? Momentary* : Up to 2 times as high as rated voltage and 20 times as high as rated current. Continuous : Up to 1.1 times as high as rated voltage and rated current.
  • Page 104 9 Troubleshooting QE81WH4W If a load such as welding equipment exists, a current flows only for a short period (e.g. 2-cycle waveform of commercial frequency (50 Hz: 40 ms, 60 Hz: 33 ms)). Is accurate measurement possible? This module makes measurement with a sampling period of 4340 Hz (for both 50 Hz and 60 Hz).
  • Page 105 9 Troubleshooting QE81WH4W What kind of time is “response time”? “Response time” is a period of time between a point of sudden change of voltage or current input and a point that an output (computation result) follows up to within± 10% of input. Response time 100%...
  • Page 106 9 Troubleshooting QE81WH4W 9.3.4 Q&A about Connection Does polarity exist in connection between a current sensor and the module? Yes, it does. Make connections so that secondary terminals of current sensor (k, l) and terminal symbols of module agree with each other. If polarity is incorrect, the current value is measurable, but the electric power and the electrical energy can not be measured correctly.

  • Page 107: Appendix 1: External Dimensions

    Appendix QE81WH4W Appendix Appendix 1: External dimensions Unit [mm] Appendix - 1...
  • Page 108 Appendix QE81WH4W Appendix 2: Optional devices ■ EMU-CT*** model split current sensor Item Specifications Model EMU-CT50 EMU-CT100 EMU-CT250 Rated primary current 50A AC～ 100A AC～ 250A AC～ Maximum voltage 266V/460V AC (voltage to ground／line voltage) Frequency 45-65Hz Ratio error ±1%（5%～100% of rating，RL≦10Ω） Phase displacement ±0.9 c rad（5%～100% of rating，RL≦10Ω）...
  • Page 109 Appendix QE81WH4W ■ Voltage transform unit Item Specification Model QE8WH4VT Phase wire system Three-phase 4-wire 63.5/110 to 277/480 V AC (The product does not operate on the voltage Input voltage range below 55/95 V AC.) Frequency 50 Hz/60 Hz Voltage output tolerance ±1.0% (against the rated primary voltage) Measurement category Pollution degree...
  • Page 110 Appendix QE81WH4W ■ Current sensor  EMU-CT50, EMU-CT100, EMU-CT250  EMU-CT400, EMU-CT600 Core cover Protective cover M4 screw Split metal Hole for core surface fixing Secondary terminal （3×2） M4 screw Secondary short-circuit switch Binding band Stopper Movable Terminal Hook for fixing the movable core core cover Unit [mm]...
  • Page 111 Appendix QE81WH4W ■ Dedicated cable  5A current sensor cable EMU2-CB-Q5A-4W Unit [mm]  Extension cable（standard） EMU2-CB-T**M Model EMU2-CB-T1M EMU2-CB-T5M EMU2-CB-T10M Length 1000mm 5000mm 10000mm  Extension cable（separate） EMU2-CB-T**MS Model EMU2-CB-T1MS EMU2-CB-T5MS EMU2-CB-T10MS Length 1000mm 5000mm 10000mm Appendix - 5...
  • Page 112 Appendix QE81WH4W ■ Dedicated voltage transform unit  QE8WH4VT Unit [mm] Appendix - 6...
  • Page 113 Index 【５】 【O】 5A current sensor·········································· 7-10 Operating condition setting completion flag (Xn9) 5A current sensor cable ···································7-10 ··········································································5-3 【A】 Operating condition setting request (Yn9)·······5-5 Alarm 1 flag (XnA)··········································· 5-3 Output signal ····················································5-5 【P】 Alarm 1 reset request (YnA) ··························· 5-6 Alarm 2 flag (XnB)···········································...
  • Page 114 Warranty For using this product, please thoroughly read the following product warranty descriptions. 1. Gratis Warranty Period and Gratis Warranty Coverage If any failure or defect (hereinafter collectively called “failures”) for which our company is held responsible occurs on the product during the gratis warranty period, our company shall replace the product for free through the distributor at which you purchased the product or our service company.
  • Page 115 Customer Service Please contact us at the following locations. 1 - 8 Midori-cho, Fukuyama-shi, Hiroshima, 720 - 8647, Japan Phone (084) 926 - 8142 When exported from Japan, this manual dose noto require application to the Ministry of Economy, Trade and Industry for service transaction permission. Specifications subject to change without notice.

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