Mitsubishi Electric MELSERVO EMC Installation Manuallines Download Page 25 | Manualshive

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4 EMC COUNTERMEASURE PARTS

4.6 Surge protector

23

4

4.6

Surge protector

MR-J3 series, MR-J3W series, and MR-J2-Super series are discontinued models.

To prevent damage due to surges (such as lightning and sparks) applied to the AC power supply lines, connect the surge
protectors to the main circuit power supply (L1/L2/L3).

MR-J5 series

For details of the surge protector, refer to "Surge protector (recommended)" in the User's Manual (Hardware).

MR-J4 series/MR-JN series/MR-J3 series/MR-J3W series/MR-J2-
Super series

For details of the surge protector, refer to the following.



Page 37 Details of surge protector

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Summary of Contents for MELSERVO EMC

Page 1: ...EMC Installation Guidelines Mitsubishi Electric AC Servo System ...

Page 2: ......

Page 3: ...per series 18 4 3 Ferrite core Data line filter 19 4 4 Cable clamp fitting 20 4 5 Line noise filter 21 Connection example 21 Precautions 22 4 6 Surge protector 23 MR J5 series 23 MR J4 series MR JN series MR J3 series MR J3W series MR J2 Super series 23 CHAPTER 5 CONNECTION EXAMPLE FOR EMC COUNTERMEASURES 24 5 1 For 1 axis with 22 kW or less 24 5 2 For multiple axis with 1 kW or less 25 5 3 For 30...

Page 4: ...filters 35 Combination with servo amplifiers of 22 kW or less 35 Combination with converter units and drive units of 30 kW or more 36 7 2 Details of surge protector 37 MR J4 series 37 MR JN series MR J3 series MR J3W series MR J2 Super series 37 REVISIONS 38 TRADEMARKS 40 ...

Page 5: ...ve carried out EMC standard compliance confirmation tests with the servo amplifier in the installation environment described in this guideline After incorporating the servo amplifier in the machine or equipment confirm the EMC standard compliance of the entire machine or equipment on customer side For the EMC countermeasures refer to the instruction manual or user s manual of each servo amplifier ...

Page 6: ...4 1 INTRODUCTION MEMO ...

Page 7: ...t Category C3 C2 Commercial light industrial and industrial environments C3 Commercial light industrial and industrial environments C2 In addition to C3 environments the servo motor can be used conditionally in residential environments provided that it is installed and adjusted by specialists EN 55011 Industrial scientific and medical radio frequency equipment Radio frequency disturbance character...

Page 8: ...6 2 EMC STANDARDS MEMO ...

Page 9: ...ntermeasures The following measures should be taken as EMC countermeasures Install the device in a sealed metal cabinet Install a noise filter Securely ground the device Use shielded wires for cables and wires Separate the primary side wiring and the secondary side wiring as far as possible Install the surge protector Page 23 Surge protector ...

Page 10: ...factor in EMC countermeasures Consider the following when designing the cabinet Precautions for cabinet design 1 Use a metal cabinet 2 Securely ground the cabinet using as thick and short wire as possible 3 Weld or screw the top and side plates of the cabinet together so that there are no gaps The distance between the joints should be 10 cm or less The diameter of the openings on the cabinet such ...

Page 11: ... an EMI gasket and conductive packing for the joint between the door and cabinet 5 As a reliable noise countermeasure for input power cables insulate the input power supply section with a metal shielding plate and install it without gaps to prevent the input power cable from being affected by radiated noise Enforce conductance treatment on sections that the EMI gasket contacts Metal cabinet Cabine...

Page 12: ...put cable and output cable as far as possible If they are too close the noise generated from the output cable is induced into the input cable and the filter is not effective Separate the cables by at least 30 cm if possible Servo motor Power supply Magnetic contactor Servo amplifier Control circuit power supply Main circuit power supply Wiring length 1 5m or less recommended Molded case circuit br...

Page 13: ...and servo amplifier have the same potential remove or plate paint on the filter surface and securely ground it to the cabinet The same applies to the servo amplifier installation Separate the filter input cable a from the output cables b c and d as far as possible Shorten the wiring a b and c between the filter and servo amplifier as short as possible The total of b and c is 1 5 m or less a b c d ...

Page 14: ... the servo motor and control circuit signal cable by 30 cm or more and do not wire them in parallel or bundle them An installation example is shown in the figure below Each cabling method is described separately 1 2 7 4 3 3 Servo motor Encoder Servo amplifier Controller Power supply EMC filter Controller etc Cabinet 2 Cabinet 1 Magnetic contactor Option Surge protector 24 V DC power supply ...

Page 15: ... the cabinet side and servo motor chassis side refer to the following Page 28 Reason for grounding the shield on both the cabinet side and servo motor chassis side The grounding position of the shield on the servo amplifier side should be within 10 cm from the cabinet For the reason why the grounding position of the shield on the servo amplifier side should be within 10 cm from the cabinet refer t...

Page 16: ...d for grounding Example of grounding with wire soldering 5 When not using a shielded cable for the servo motor power cable route the cable through a metal conduit 6 Ground the servo motor power cable on the cabinet side with the conduit connector and cabinet side wall Remove paint from the side wall of the cabinet 7 When grounding the servo motor power cable connected to the servo motor use the ca...

Page 17: ...twisted pair cable for the encoder cable and ground it on both sides of the servo amplifier and encoder with P clips or U clips The cable length should be 50 m or less Cabinet To servo amplifier Connector As close as possible 10 cm or less Shield twisted pair cable Servo motor ...

Page 18: ...s When the cable length is 2 m or less ground the cable on the controller side If controller or others is in the different cabinet from servo amplifier Use a shielded twisted pair cable and ground it on both sided of the controller or others and servo amplifier with P clips or U clips Cabinet Shield twisted pair cable As close as possible As close as possible Servo amplifier Controller Cabinet Shi...

Page 19: ...ielded twisted pair cable or twisted cable covered with shield braid for the connection cable of the regenerative option and ground the shield on the both sides of the option and servo amplifier with P clips or U clips The following figure shows the treatment when the regenerative option is installed outside the cabinet Input power cable 6 Use a multiple core cable Using a shielded input power cab...

Page 20: ...connecting multiple servo amplifiers to one EMC filter refer to the following Page 32 Connecting multiple servo amplifiers to one EMC filter Some EMC filters have a large leakage current When selecting a molded case circuit breaker consider the increase in leakage current and select one that will not affect the servo amplifier converter unit and drive unit MR J5 series MR J4 series MR JN series Fo...

Page 21: ... and E04SRM563218 by SEIWA ELECTRIC are available as data line filters As a reference example the impedance specifications of the ZCAT3035 1330 TDK are indicated below These impedances are reference values and not guaranteed values Unit mm Usage example Impedance Ω 10 MHz to 100 MHz 100 MHz to 500 MHz 80 150 φ13 1 φ30 1 34 1 39 1 Loop for fixing cable band Product name Lot number Dimensions ZCAT30...

Page 22: ...gether and clamp them in place The cable clamp comes as a set with the grounding plate Unit mm Dimensions Unit mm 1 Screw hole for grounding Connect it to the ground plate of the cabinet Precautions The motor cable single cable type has no shield on the outermost circumference Therefore to ground the motor cable with a cable clamp use a motor cable dual cable type Model A B C Accessory fittings AE...

Page 23: ... line noise filter the same number of times in the same direction Wind the wires through the line noise filter to satisfy the required number of passes If the wires are too thick to wind use two or more line noise filters to have the required number of passes Use the following models of the line noise filter in accordance with the capacity of the servo amplifier converter unit and drive unit 2 kW ...

Page 24: ...noise filters as close to the servo amplifier as possible for their best performance Noise reducing effect will be enhanced In addition to the servo amplifier converter unit main circuit power supply side and servo amplifier power output side the line noise filter can be used for the servo motor brake cable encoder cable control signal cable and others In this case passes must be four times or les...

Page 25: ...and sparks applied to the AC power supply lines connect the surge protectors to the main circuit power supply L1 L2 L3 MR J5 series For details of the surge protector refer to Surge protector recommended in the User s Manual Hardware MR J4 series MR JN series MR J3 series MR J3W series MR J2 Super series For details of the surge protector refer to the following Page 37 Details of surge protector ...

Page 26: ...16 If controller or others is in the different cabinet from servo amplifier 10 Page 17 Cables in the same cabinet 4 11 Page 17 Regenerative option connection cable 5 12 Page 18 Noise filter for controller power supply 13 Page 18 EMC filter for servo amplifier power supply 14 Page 20 Cable clamp fitting 2 1 2 1 2 2 L1 L2 L3 L11 L21 P C U V W 2 3 E E 1 1 1 axis Servo amplifier Cable clamp 10 14 Cabi...

Page 27: ...s in the same cabinet 4 11 Page 17 Regenerative option connection cable 5 12 Page 18 Noise filter for controller power supply 13 Page 18 EMC filter for servo amplifier power supply 14 Page 20 Cable clamp fitting 2 1 1 2 1 2 2 L1 L2 L3 L11 L21 P C U V W E 2 3 U V W E 2 3 E E E E 1 Multi axis servo amplifier 4 Cable clamp 10 14 Cabinet 5 Surge protector Molded case circuit breaker EMC filter 13 Magn...

Page 28: ... protector Magnetic contactor 24 V DC 24 V DC Option Controller etc Controller Cable clamp 11 17 Cable clamp 12 17 Cabinet 8 Encoder Cable clamp 14 17 Cable clamp 10 17 Cable clamp 9 17 U V W Servo motor 1 1 1 1 1 1 1 Regenerative option Cable clamp 9 17 Cable clamp 10 17 1 Drive unit or Servo amplifier Converter unit Protection coordination cable 1 1 EMC filter 16 Noise filter 15 Molded case circ...

Page 29: ...ovided bus bar 7 The abbreviation of the terminal is P for MR HP30KA or MR HP55KA4 8 Page 8 Cabinet design 9 Page 13 Servo motor power cable 1 10 Page 15 Encoder cable 2 11 Page 16 If controller and servo amplifier are in the same cabinet 12 Page 16 If controller or others is in the different cabinet from servo amplifier 13 Page 17 Cables in the same cabinet 4 14 Page 17 Regenerative option connec...

Page 30: ... motor power cable Wire the shielded wire of the encoder cable in the same way as the power cable Example of wiring when the shielded cable is grounded only on the servo amplifier side Radiated emissions when the shielded cable is grounded only on the servo amplifier side The following figure is an example of a measurement result and does not guarantee the measurement result U V W E Cabinet To ser...

Page 31: ...ample of wiring when both ends of the shielded cable are grounded Radiated emissions when both ends of the shielded cable are grounded The following figure is an example of a measurement result and does not guarantee the measurement result Cabinet To servo amplifier Shield cable Servo motor Connector As close as possible 10 cm or less Grounding with the P or U clip When a shielded wire is used LIM...

Page 32: ... or propagate unwanted noise to some extent Depending on the cable routing method it may not be possible to suppress the unwanted noise generated in the cabinet By grounding the cable just before the exit of the cabinet the noise flowing out of the cabinet can be suppressed even if unwanted noise is superimposed on the cable Therefore it is recommended to ground the cable within 10 cm from the exi...

Page 33: ... or braid mesh braid High frequency noise passes through the shield and releases unwanted noise to the ground thereby suppressing the radiated emission level Grounding a shielded cable using a P clip or U clip reduces the impedance to the ground and allows noise current to flow more smoothly than soldering a wire to the shield or twisting and stretching the shield to ground Thus grounding with the...

Page 34: ...btained To obtain the expected noise attenuation properties for any servo amplifier use an EMC filter that satisfies the following table and calculation formula Molded case circuit breaker Power supply Molded case circuit breaker Magnetic contactor EMC filter Servo amplifier First Main circuit power supply Control circuit power supply Servo motor power cable length Molded case circuit breaker Magn...

Page 35: ...upply cable m acceptable for the EMC filter Total length of servo motor power supply cable m Application environment Total length of servo motor power cable EMC filter Model Rated current A Rated voltage VAC Operating temperature C Mass kg Manufacturer IEC EN 61800 3 Category C2 C3 1 50 m or less FSB 10 254 HU 10 250 40 to 85 1 8 COSEL Co Ltd FSB 20 254 HU 20 FSB 30 254 HU 30 FSB 40 324 HU 40 250 ...

Page 36: ...3 Selection table of EMC filter by total length of servo motor power cable The table shows that the available EMC filter is HF3030C SZL Molded case circuit breaker Power supply Molded case circuit breaker Magnetic contactor EMC filter Servo amplifier Main circuit power supply Control circuit power supply Molded case circuit breaker Magnetic contactor Servo amplifier Main circuit power supply Contr...

Page 37: ...4 MR J3 100_4 TF3005C TX 5 500 5 5 6 MR J3 200_4 to MR J3 700_4 TF3020C TX 20 MR J3 11K_4 TF3030C TX 30 7 5 MR J3 15K_4 TF3040C TX 40 12 5 MR J3 22K_4 TF3060C TX 60 MR J3W 22B MR J3W 44B HF3010A UN 1 10 250 5 3 5 MR J3W 77B MR J3W 1010B HF3030A UN 1 30 5 5 Servo amplifier Recommended filter DEM Manufacturing Mass kg Model Rated current A Rated voltage VAC Leakage current mA MR J2S 10_ to MR J2S 10...

Page 38: ...rter unit Drive unit Recommended filter Soshin Electric Mass kg Model Rated current A Rated voltage VAC Leakage current mA MR J3 CR55K MR J3 DU30K_ MR J3 DU37K_ HF3200A UN 1 200 250 9 18 MR J3 CR55K4 MR J3 DU30K_4 to MR J3 DU55K_4 TF3150C TX 150 500 5 5 31 Converter unit Servo amplifier Recommended filter Soshin Electric Mass kg Model Rated current A Rated voltage VAC Leakage current mA MR HP30KA ...

Page 39: ...tart voltage Voltage protection level Nominal discharge current 8 20 μs Maximum discharge current 8 20 μs Impulse current life 8 20 μs 1000 A Manufacturer RSPD 250 U4 3 AC 250 V 700 V 25 1300 V 2500 A 5000 A About 300 times Okaya Electric RSPD 500 U4 3 AC 500 V 1300 V 25 2000 V 2500 A 5000 A About 300 times Okaya Electric LT CS32G801WS 3 AC 275 V 660 V 10 1400 V 5000 A 8000 A About 1000 times Sosh...

Page 40: ...ection 3 2 Part changed Section 3 3 Part changed Section 3 4 Part changed Section 4 1 Part changed Section 4 2 Part added part changed Section 4 3 Part changed Section 4 6 Added Section 5 1 Title changed For 22kW or less For 22kW or less of 1 axis Part change of diagram Section 5 2 Added as For 1kW or less of multi axis Changes to section 5 3 to section 5 2 of the C version Part change of diagram ...

Page 41: ...ded Partially changed Section 4 6 POINT is added Partially changed Chapter 6 Newly added July 2019 IB NA 67310ENG J Section 4 2 1 a Part added Section 4 2 3 Added Section 4 6 a Part added Item 6 4 1 Part changed July 2020 IB NA 67310ENG K Section 4 2 1 a Part added March 2021 IB NA 67310ENG L All pages change This manual confers no industrial property rights or any rights of any other kind nor doe...

Page 42: ...trademark or registered trademark of Mitsubishi Electric Corporation in Japan and or other countries All other product names and company names are trademarks or registered trademarks of their respective companies IB NA 67310ENG L ...

Page 43: ......

Page 44: ... change without notice When exported from Japan this manual does not require application to the Ministry of Economy Trade and Industry for service transaction permission HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN ...

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