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TDK-Lambda EZA11K Series Quick Manual
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TENTAT
Practical Volume II
BEFORE USING THE POWER SUPPLY UNIT (Common)
Be sure to read this instruction manual thoroughly before using this product. Pay attention to all cautions and
warnings before using this product. Incorrect usage could lead to an electrical shock, damage to the unit or a fire
hazard.
DANGER!
Never use this product in locations where flammable gas or ignitable substances are present.
INSTALLATION WARNING
• When installing, ensure that work is done in accordance with the instruction manual. When installation is improper, there is risk
of electric shock and fire.
• Installation shall be done by Service personnel with necessary and appropriate technical training and experience. There is a
risk of electric shock and fire.
• Do not cover the product with cloth or paper etc. Do not place anything flammable around. This might cause damage, electric
shock or fire..
WARNING on USE
• Do not touch this product or its internal components while circuit in operation, or shortly after shutdown. You may receive a
burn.
• While this product is operating, keep your hands and face away from it as you may be injured by an unexpected situation.
• There are cases where high voltage charge remains inside the product. Therefore, do not touch even if they are not in
operation as you might get injured due to high voltage and high temperature. You might also get electric shock or burn.
• Do not make unauthorized changes to this product nor remove the cover as you might get an electric shock or might damage
the product. We will not be held responsible after the product has been modified, changed or dis-assembled.
• Do not use this product under unusual condition such as emission of smoke or abnormal smell and sound 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 cause failure. Do not operate these products mechanical stress is applied.
CAUTION on MOUNTING
• Confirm connections to input/output terminals are correct as indicated in the instruction manual before switching on.
• Input voltage, Output current, Output power, ambient temperature and ambient humidity should be kept within specifications,
otherwise the product will be damaged, or cause electric shock or fire.
• Do not use this product in special environment with strong electromagnetic field, corrosive gas or conductive substances and
direct sunlight, or places where product is exposed to water or rain.
• Mount this product properly in accordance with the instruction manual, mounting direction and shall be properly be ventilated.
• Please shut down the input when connecting input and output of the product.
• The power supply may cause damage when it intake conductive material, dust and liquid. When use this product, please be
careful to prevent entry of those materials to inside the product by using filter etc.
• Do not use this product in environments where causes the salt damage.
CAUTION on USE
• Product individual notes are shown in the instruction manual. If there is any difference with common notes individual notes
shall have priority.
• Before using this product, be sure to read the catalog and instruction manual. There is risk of electric shock or damage to the
product or fire due to improper use.
• Input voltage, Output current, Output power, ambient temperature and ambient humidity should be kept within specifications,
otherwise the product will be damaged, or cause electric shock or fire.
19-11-01
EZA11K-320240
Quick Manual
TDK-Lambda
EZA11K series
Quick Manual /Practical(II)

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Summary of Contents for TDK-Lambda EZA11K Series

  • Page 1 TENTAT TDK-Lambda EZA11K series Quick Manual /Practical(II) EZA11K-320240 Quick Manual Practical Volume II BEFORE USING THE POWER SUPPLY UNIT (Common) Be sure to read this instruction manual thoroughly before using this product. Pay attention to all cautions and warnings before using this product. Incorrect usage could lead to an electrical shock, damage to the unit or a fire hazard.
  • Page 2 TDK-Lambda EZA11K series Quick Manual / Practical(II) • If the built-in fuse is blown, do not use the product even after replacing the fuse as there is risk of abnormality inside. Be sure to request repair to our company. • For products without built-in protection circuit (element, fuse, etc.), insert fuse at the input to prevent smoke, fire during abnormal operation.
  • Page 3 TDK-Lambda EZA11K series Quick Manual / Practical(II) Over view of Quick manual Practical Volume II In Quick Manual Practical Volume II, we will explain the procedure for actually operating the EZA11K operation mode explained in Practical Volume I using the Windows GUI software CNVCommCC distributed by TDK Lambda.
  • Page 4 TDK-Lambda EZA11K series Quick Manual / Practical(II) 1) Construction of communication environment with RS-485 The connection diagram for controlling EZA11K with RS-485 is shown below. Since it is also described in Quick Manual basic version, if you have already referred to it, proceed to the next chapter.
  • Page 5 TDK-Lambda EZA11K series Quick Manual / Practical(II) The setting procedure is shown below. ① Setting communication conditions for DIP switch and RS-485. Set the EZA to operation via RS-485 and the address on RS-485 to "0", the communication speed to 19.2 kbps.
  • Page 6 TDK-Lambda EZA11K series Quick Manual / Practical(II) 2) Operation of Manual CV mode In this mode, charge / discharge switching is performed via RS485. The operation method is as follows. ①Start CNVCommCC. Start CNVCommCC and confirm that it can communicate with EZA.
  • Page 7 TDK-Lambda EZA11K series Quick Manual / Practical(II) ④ Click the “Other settings” tab. ⑤Click “READ ALL” to display the current value of EZA. ⑥ Overwrite the parameters enclosed by the red line in the figure below if necessary and click “WRITE”.
  • Page 8 TDK-Lambda EZA11K series Quick Manual / Practical(II) ③Start EZA ① Click the "Main" tab. ② Turn on the radio buttons for “Heteronomy” and “With grid CC”. ③ Click “Grid CV” and the fan will rotate and start discharging. ④ Click “Battery CV” to switch to charging.
  • Page 9 TDK-Lambda EZA11K series Quick Manual / Practical(II) 3) Manual Grid CV with battery CC mode operation ① Turn on the radio buttons for “Heteronomy” and “With batt CC” in ② of the previous operation. ②Perform the operations after ③ above.
  • Page 10 TDK-Lambda EZA11K series Quick Manual / Practical(II) 4) Operation of Automatic grid CV mode In this mode, EZA automatically charges and discharges so that the grid voltage is the target voltage TGV.. ①Start CNVCommCC. Start CNVCommCC and confirm that it can communicate with EZA.
  • Page 11 TDK-Lambda EZA11K series Quick Manual / Practical(II) ④ Click the “Other settings” tab and write the parameters enclosed in red in the figure below. Click “WRITE”. ⑤Click “READ ALL” to display the current value of EZA. ⑥ Overwrite the parameters enclosed by the red line in the figure below if necessary and click “WRITE”.
  • Page 12 TDK-Lambda EZA11K series Quick Manual / Practical(II) ③Start EZA. ① Click the "Main" tab. ② Turn on the radio buttons for “Automatic” and “With grid CC”. ③ Click “Grid CV” and the fan will rotate and start discharging. ④ Click “Wait” to stop the main converter and enter Waiting.
  • Page 13 TDK-Lambda EZA11K series Quick Manual / Practical(II) 5) Automatic Grid CV with battery CC mode operation In this mode, EZA limits the current with LBC (Current Limit of Battery/Charge) and LBD (Current Limit of Battery/Discharge) value set on the battery side when charging and discharging in Automatic grid CV mode.
  • Page 14 TDK-Lambda EZA11K series Quick Manual / Practical(II) 6) Operation of Automatic battery CV mode In this mode, EZA automatically charges and discharges so that the battery (LVDC) side voltage becomes the target battery voltage: TBV. ①Start CNVCommCC. Start CNVCommCC and confirm that it can communicate with EZA.
  • Page 15 TDK-Lambda EZA11K series Quick Manual / Practical(II) ④ Click the “Other settings” tab and write the parameters enclosed in red in the figure below. Click “WRITE”. ⑤Click “READ ALL” to display the current value of EZA. ⑥ Overwrite the parameters enclosed by the red line in the figure below if necessary and click “WRITE”.
  • Page 16 TDK-Lambda EZA11K series Quick Manual / Practical(II) ③Start EZA. ① Click the "Main" tab. ② Turn on the radio buttons for “Automatic”. ③ Click “Battery CV” and the fan will rotate and start charging or discharging. ④ Click “Wait” to stop the main converter and enter Waiting.
  • Page 17 TDK-Lambda EZA11K series Quick Manual / Practical(II) In the battery automatic CV mode, EZA11K judges and switches between charging and discharging so that the voltage on the battery side becomes constant, so it can be used for charging and discharging 240 to 400VDC battery by connecting the battery to the grid side.
  • Page 18 TDK-Lambda EZA11K series Quick Manual / Practical(II) 7) Operation of Manual CV mode using the external signal connector CN This section explains how to start and stop EZA using the external signal connector CN. ①Connect peripheral devices such as battery to EZA.
  • Page 19 TDK-Lambda EZA11K series Quick Manual / Practical(II) ③Restart the control board. Set the terminal voltage on the EZA grid side and battery side to 0 V at the same time, and then apply a voltage of DC120 V or more again. At this time, do not apply a voltage exceeding the upper limit of the specification.
  • Page 20 TDK-Lambda EZA11K series Quick Manual / Practical(II) 8) Operation of Manual Grid CV with Battery CC mode using external signal connector CN EZA11K does not support "Manual Grid CV with Battery CC mode" using the external connection terminal CN. When you want to use this mode, you should control via RS485.
  • Page 21 TDK-Lambda EZA11K series Quick Manual / Practical(II) Set the rotary switch on the front panel as shown in the photo below. For details, see p10 of the instruction manual and p6 of the communication manual. ※The factory setting is the above setting.
  • Page 22 TDK-Lambda EZA11K series Quick Manual / Practical(II) ⑤Start EZA. ①Short the pin 7 (RUN) of the external signal connector CN to SG (signal ground, e.g. pin 8). ② EZA starts the main circuit from the Waiting and starts charging or discharging.
  • Page 23 TDK-Lambda EZA11K series Quick Manual / Practical(II) 10) Operation of Automatic grid CV with battery CC mode using external signal connecter CN ①Set the DIP switch 1-3 as shown in the figure below in p22 "②Set the DIP switch to operate with Automatic grid CV mode via external signal connector CN."...
  • Page 24 TDK-Lambda EZA11K series Quick Manual / Practical(II) 11) Operation of Automatic battery CV mode using external signal connector CN This section describes how to start and stop EZA in Automatic battery CV mode using the external signal connector CN. ①Connect peripheral devices such as battery to EZA.
  • Page 25 TDK-Lambda EZA11K series Quick Manual / Practical(II) ③Restart the control board. Set the terminal voltage on the EZA grid side and battery side to 0 V at the same time, and then apply a voltage of DC120 V or more again. At this time, do not apply a voltage exceeding the upper limit of the specification.
  • Page 26 TDK-Lambda EZA11K series Quick Manual / Practical(II) - 26 -...

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Eza11k-320240