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TDK-Lambda

EZA11K series

Quick Manual / Basic

Over view of Quick manual Basic version

In the Basic version of the Quick Manual, we will give a basic explanation of
EZA11K.

In addition, we will explain the procedure of actually charging EZA by the
software “CNVCommCC” for operating from Windows PC by actually
connecting battery, inverter or 240-400 VDC AC-DC power supply.
“CNVCommCC” is

distributed by TDK lambda.

Contents

1) Basic operation of EZA (boost, step-down)

2) EZA panel and terminal description

3) What to prepare before using EZA

a) Create an environment that can communicate with EZA
b) Connection with peripheral devices

4) Parameter setting and activation procedure of EZA

Try charging the battery in Manual CV mode of EZA

5) Confirm EZA startup

6) About occurrence of alarm

7) Reference material

Set value of parameter at factory shipment and upper / lower

limit value of parameter

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Содержание EZA11K Series

Страница 1: ...etc Please stop using it immediately and shut off the product It might lead to fire and electric shock In such cases please contact us Do not attempt repair by you as it is dangerous for the user Do not operate and store these products in environments where condensation occurs due to moisture and humidity It might lead fire and electric shock Do not drop or apply shock to this product It might cau...

Страница 2: ...t of usage and perform maintenance Also note that there are cases when EOL products cannot be overhauled Take care not to apply external abnormal voltage to the output Especially applying reverse voltage or overvoltage more than the rated voltage to the output might cause failure electric shock or fire Do not use in special environment such as places directly exposed to sunlight dew condensation m...

Страница 3: ...240 400 VDC AC DC power supply CNVCommCC is distributed by TDK lambda Contents 1 Basic operation of EZA boost step down 2 EZA panel and terminal description 3 What to prepare before using EZA a Create an environment that can communicate with EZA b Connection with peripheral devices 4 Parameter setting and activation procedure of EZA Try charging the battery in Manual CV mode of EZA 5 Confirm EZA s...

Страница 4: ...during the conversion operation There are roughly two ways to switch the direction of power conversion and there are two modes a mode in which it switches over upon receiving an external command signal selectable by either RS485 communication or contact input and the mode in which the voltage set in EZA in advance and EZA switches automatically Please refer to the practical skill section of the qu...

Страница 5: ... digits last 4 bits and DIP SW is used to set the highest digits Light up at Discharge operating Output from Low Voltage to High voltage Light up at Charge operating Output from High voltage to Low voltage Light up at Heavy Alarm Resetting the control IC CPU on the control board cannot be done with this switch It is necessary to restart the control board by applying voltage to either of the high v...

Страница 6: ...ignment of RS 485 in the instruction manual Battery Connection Terminal DC240V LVDC Terminal DC240V Power Supply Input Output Terminal V NC V The fuse is connected to V Please note that if you mistakenly connect polarity of plus or minus internal circuit of EZA will be damaged NC No internal connection Ground terminal M5 Screw When controlling EZA with RS485 you do not need to use CN in particular...

Страница 7: ...oller PLC PC and EZA with RS485 For details of EZA s RS485 communication specification refer to p4 of EZA11K communication manual which is separately distributed The following points are listed below Item Specification Note EZA side connector RJ45 It is the same shape as Ether net of PC Please check the arrangement of pins with communication manual p4 Communication System half duplex It consists o...

Страница 8: ...cessary to install the exclusive driver software distributed by the manufacturer on your personal computer For details refer to the instruction manual of the maker purchased Note In this model since the grand Common terminal of the RJ45 is pin 7 please connect the 8 pin and 7 pin of the internal board with the jumper wire and the pin 8 to be the grand Common terminal Note Since there is a male ter...

Страница 9: ...RS 485 In the figure the inverter is supposed to be capable of bidirectional power conversion from AC to DC from DC to AC called a regenerative function and supplies electric power converted from AC to DC to EZA during battery charging Considering CPU reset maintenance and troubleshooting it is recommended to insert NFB and magnet switch between the battery and EZA EZA and inverter respectively ...

Страница 10: ...voltage power supply e g GENESYS series of TDK lambda that can output 240 400 VDC instead of DC AC inverter However when the EZA is discharged the constant voltage power supply may be damaged so be sure to place a diode with a capacitance of 50A or more and a withstand voltage of 450V or more between the constant voltage power supply and the EZA ...

Страница 11: ...e volume for output adjustment Output voltage current etc are all set by setting parameters via RS485 Install CNVCommCC according to the operation manual distributed with it Set EZA to operate via RS 485 and address on RS 485 to 0 and set the communication speed to 19 2 kbps Set the rotary switch to 0 on the front panel as shown in the picture below The factory setting is the above setting After s...

Страница 12: ...are not The control board can be activated simply by applying a voltage of 120V or higher to either the battery side or the grid side When the control board is activated the green LED that is visible through the punching metal on the back panel lights up Confirm that you are connected as shown in p9 or p10 of this manual Launch CNVCommCC exe on your computer The following message is displayed at t...

Страница 13: ...ngs and opens the port If opening the port fails an error message is displayed Click the CLOSE button to close the window Check the COM port and the EZA DIP switch settings and start over from step Communication setting window If the COM port is not displayed there is a possibility that the USB RS 485 conversion converter is not functioning properly Confirm that the driver distributed by the conve...

Страница 14: ...setting panel Please select the EZA address and PC address you want to communicate with Set the address of the EZA you want to communicate with in communication with EZA Turn ON the single target radio button We will perform 1 1 communication with EZA Specify 0 0x00 for the EZA address Set 126 0x7E as the address of Own Address Your personal computer ...

Страница 15: ...f the sensor for each voltage current power internal temperature of EZA are displayed on the screen When communication with the EZA fails Timeout is displayed in Communication status at the upper right of the screen If the communication fails please confirm the procedure up to this point according to this manual again If it still fails please contact our person in charge Sensor values include erro...

Страница 16: ...on of the menu bar in a state where it can communicate with EZA Calibration is done automatically Calibration information is automatically acquired from EZA Once calibration is performed information is written to the CNVCommCC configuration file so it is not necessary to perform calibration from the next startup ...

Страница 17: ... parameters to the area surrounded by the red line in the above figure Target Battery Voltage 250 V Limit of Battery Voltage for Discharging 230 V Turn on the radio buttons of Battery Over Charging Protection and Battery Under Discharging Protection respectively surrounded by the red line in the above figure Click the WRITE Click the READ to display the current value and confirm that the value has...

Страница 18: ... The charge current Current Limit of Battery of the battery is now set to 5A And when the battery reaches the target voltage the EZA controls the charge current to 0A In the unlikely event that the battery voltage drops below 220V or above 260V EZA will stop and issue an alarm to protect the battery The operations up to this point up to parameter setting can be performed without connecting anythin...

Страница 19: ... respectively surrounded by the red line in the above figure Click the Battery CV EZA starts and the fan starts rotating EZA charges the battery with charging current 5A until it reaches 250 V When the battery voltage reaches 250 V EZA controls the charging current to 0 A Start EZA and charge the battery When EZA11K starts EZA11K self consumes about 400 W at maximum with main circuit and cooling f...

Страница 20: ...on using CNVCommCC via RS485 is explained below Click the Main tag in a state where it can communicate with EZA 02 Converter Status Click the READ in Converter Status Charging is displayed in the square under Running State Click the READ in 10 Converter Meter1 Battery voltage value etc at the time of clicking the READ will be displayed in the square beside it EZA will rotate the cooling fan for ab...

Страница 21: ...al and start command are input In this case the red LED of ALM on the front panel will light and pin1 of the external signal connector CN will be open To set Alarm clear it is necessary to press the reset switch on the front panel or input the Alarm clear command by either of the methods of shorting the CN pin11 to the SG or sending it via RS485 And then you send Start command The following descri...

Страница 22: ... Basic Click the Main tag in a state where it can communicate with EZA Click the READ in 09 Alarm Operation status is displayed in the square If there are multiple lines you can confirm by clicking v Click the CLEAR to send Alarm clear command ...

Страница 23: ...t the input unit in CNVCommCC is LBC Current Limit of Battery Charge A 45 8 0 52 Nominal value is 45 8A LBD Current Limit of Battery Discharge A 45 8 0 522 Nominal value is 45 8A LGC Current Limit of Grid Charge A 34 4 0 42 Nominal value is 34 4A LGD Current Limit of Grid Discharge A 34 4 0 42 Nominal value is 34 4A OBV Over Battery Volts V 306 144 410 Heavy alarm when the control target is on the...

Страница 24: ...Volts for Cancel Warning of Discharging Lower Limit V 0 0 20 When Battery Volt LBV DLD DCD Warning signal is canceled UDZ Upper Side Volts for Dead Zone V 0 0 20 Set plus side volts for dead zone When Grid voltage is between TGV and TGV UDZ EZA do not charge or discharge in Grid Automatic CV mode LDZ Lower Side Volts for Dead Zone V 0 0 20 Set minus side volts for dead zone When Grid voltage is be...

Страница 25: ... 25 TDK Lambda EZA11K series Quick Manual Basic ...

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