GT15 MELSECNET/H communication unit User`s Manual
Contents
1. Rating plate 4 INSTALLATION PROCEDURE The installation procedure for the MELSECNET H communicartion unit is explained using the GT1575 1 Power off the GOT 2 Remove two extension unit covers of the GOT 3 Attach the extend interface relay board to the extend I F 2 side on the GOT After the installation detach the connector cover from the extend interface relay board For the following GOT types the extension interface relay board is not needed GT1655 GT155 1 of the GOT1000 series GT27 GT25 of the GOT2000 series 4 Fit the MELSECNET H communication unit in the GOT case Remove the connector cover 5 Fasten the MELSECNET H communication unit by tightening its mounting screws 4 places with tightening torgue 0 36 to 0 48 Nem 6 Fasten the bus connection unit by tightening the board fixing screws 2 places with the tightening torque of 0 36 to 0 48 Nem 7 When installing an extension unit on the unit that has been installed remove the connector cover and the sticker When not installing an extension unit on the unit that has been installed in order to avoid receiving electrostatic stick accessory stickers to cover the top of mounting screws 4 places Keep the connector cover fixed Keep the sticker stuck as it is Connector cover Accessory sticker H gt Sticker Accessory sticker Point Remove the screws that fixes th2. Partial addition Chapter 1 Addition Compliance with the EMC and Low Voltage Directives IB NA 0800350 D Partial corrections Compliance with the EMC and Low Voltage Directives Chapter 2 4 7 Jan 2009 IB NA 0800350 E Partial addition Chapter 1 4 7 Jun 2009 IB NA 0800350 F Partial corrections Compliance with the EMC and Low Voltage Directives Jun 2011 IB NA 0800350 G Partial corrections Chapter 7 Partial addition Compliance with the Radio Waves Act South Korea Oct 2014 IB NA 0800350 H Partial corrections SAFETY PRECAUTIONS Chapter 4 7 This manual confers no industrial property rights or any rights of any other kind nor does it confer any patent licenses Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual 2006 MITSUBISHI ELECTRIC CORPORATION A 6 CONTENTS T OVERVIEW rM DRE ODER E 1 2 SPECIFICATIONS ne epit et pese e e p E e eee e atre dnd 2 S PARE NAMES se csceissceas tess cteccziacsatiadeccceeteedai iiie reset perdite tesis iege 4 4 INSTALLATION PROCEDURE eene een e nen en nennen 8 5 PRECAUTIONS FOR LAYING CABLES 5 1 Precautions for cable connection GT15 J71LP23 25 5 2 Pr
3. GOT1000 Series Connection Manual 2 SPECIFICATIONS The performance specifications of the MELSECNET H communication unit are indicated below The general specifications of the MELSECNET H communication unit are the same as those of the GOT For the general specifications of the GOT refer to the User s Manual for the GOT used Maximum number of link points per network GT15 J71LP23 25 MELSECNET H mode MELSECNET H Extended mode MELSECNET 10 2 GT15 J71BR13 MELSECNET H mode 8192 points 8192 points LB 16384 points 8192 points LW 16384 points 8192 points Maximum number of link points per station MELSECNET H mode MELSECNET 10 mode B Y 8 2 x W 2000 bytes MELSECNET H Extended mode 8 2 x W lt 35840 bytes Communication speed 10Mbps 25Mbps 10Mbps Communication method Token ring method Token bus method Synchronous method Frame synchronous Type of transmission channel Double loop Optical fiber cable Coaxial single bus Total extension distance 30km 98430ft 3C 2V 300m 500m 984 3ft 1640 5ft 5C 2V Repeater module A6BR10 A6BR10 DC Maximum expansion is 2 5km 8203 Distance between stations 4 During 25Mbps During 10Mbps SI optical cables 200m 656 2ft H PCF optical cables 400m 1312 4ft Broad band H PCF optical cables 1km 3281f
4. to the unit by ducts or clamps Failure to do so may cause damage of the unit or the cables due to accidental pull or unintentional shifting of the cables or malfunctions due to poor contact of the cables Do not hold the cable by hand and pull it out from the unit When removing the cable from the unit make sure to hold the connector by hand and pull it Failure to do so may cause malfunctions or damage to the unit or cable Solder the coaxial cable connector correctly Incomplete soldering may cause a malfunction A 3 STARTUP AND MAINTENANCE PRECAUTIONS NWARNING Do not touch the connector while power is on Failure to do so may cause electric shock or malfunctions Before starting cleaning always shut off GOT power externally in all phases Not doing so can cause a unit failure or malfunction N CAUTION Do not disassemble or modify any unit This will cause failure malfunction injuries or fire Do not touch the conductive areas and electronic parts of thisunit directly Doing so can cause a unit malfunction or failure Make sure to externally shut off all phases of the power supply before cleaning the unit and retightening unit mounting screws Failure to do so may cause the unit to fail or malfunction Loose tightening may cause a fall of the unit short circuits or malfunctions Overtightening may damage the screws and or the unit resulting in a fall of the unit short circuits or malfunction
5. 23 0 91 23 0 91 23 0 91 23 0 91 Unit mm inch Please contact Mitsubishi Electric System amp Service Co Ltd 15 2 GT15 J71BR13 133 5 24 3 0 12 GOT main unit 117 4 61 57 5 2 26 i 2 5 0 1 connedtor 1 is connected Dimensions of X when the MELSECNET H communication unit is mounted to the GOT 19 5 0 77 21 0 83 23 0 91 18 0 71 18 0 71 23 0 91 23 0 91 21 0 83 21 0 83 23 0 91 23 0 91 23 0 91 23 0 91 23 0 91 23 0 91 23 0 91 23 0 91 Unit mm inch 16 3 Extend interface relay board ry S NI A 64 2 52 g id N 17 Unit mm inch Warranty Mitsubishi will not be held liable for damage caused by factors found not to be the cause of Mitsubishi machine damage or lost profits caused by faults in the Mitsubishi products damage secondary damage accident compensation caused by special factors unpredictable by Mitsubishi damages to products other than Mitsubishi products and to other duties NFor safe use This product has been manufactured as a general purpose part for general industries and has not been designed or manufactured to be incorporated in a device or system used in purposes related to human life Before using the product for special purposes s
6. 5 16 4 ft to 13 m 42 65 ft 13 42 65 ft to 17 m 55 77 ft 17 55 77 ft to 25 m 82 02 ft 9 25 82 02 ft to 300 m 984 25 ft 300 984 25 ft to 500 m 1640 42 ft O Allowed x Not allowed b If there is the possibility of an increase in the number of stations due to system expansion install the cables with advance consideration of the restrictions c When using a repeater module models A6BR10 or AGBR10 DC use the station to station cable length indicated by 10 to 32 stations regardless of the number of stations connected or the number of repeater modules 2 Precautions for laying cable a Coaxial cables must be laid 100mm 3 94 inches or more apart from power cables and control cables b Consider wiring using double shielded coaxial cable in places that are subject to large amounts of noise r Double shielded coaxial cable Enlarged view Sheath Sheath Mitsubishi Cable 5C 2V CCY of cable Ec Lu dm Internal N conducter _ Grounding Insulation External External material conductor conductor Grounding 12 The 5C 2V connector plug is applicable to double shielded coaxial cable Connect the 5C 2V connector plug to the coaxial cable inside a double shielded coaxial cable Ground the shielded part outside a double shielded coaxial cable as shown in the above figure 3 Double shielded caoxial cables
7. MITSUBISHI GT15 MELSECNET H communication unit User s Manual GT15 J71LP23 25 GT15 J71BR13 Thank you for purchasing the GOT1000 Series Prior to use please read both this manual and detailed manual thoroughly to fully understand the product MODEL GT15 J71LP23 25 U MODEL CODE 1D7M56 IB NA 0800350 H 1410 MEE eSAFETY PRECAUTIONSe Always read these precautions before using this equipment Before using this product please read this manual and the relevant manuals introduced in this manual carefully and pay full attention to safety to handle the product correctly The precautions given in this manual are concerned with this product In this manual the safety precautions are ranked as WARNING and CAUTION Indicates that incorrect handling may cause hazardous NWARNING conditions resulting in death or severe injury Indicates that incorrect handling may cause hazardous A CAUTION conditions resulting in medium or slight personal injury or physical damage Note that the AN CAUTION level may lead to a serious accident according to the circumstances Always follow the precautions of both levels because they are important to personal safety Please save this manual to make it accessible when required and always forward it to the end user A 1 d DESIGN PRECAUTIONS If a communication fails in data link the faulty station holds the data link data gener
8. UCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN When exported from Japan this manual does not require application to the of Economy Trade and Industry for service transaction permissio Specifications subject to change without notice Printed in Japan October 2014
9. ated before the communication error Create an interlock circuit in the sequence program using the communication status information in order that the system will operate safely Check the faulty station and the operation status during communication error by referring to the relevant manuals Some failures of cable or communication unit may cause the GOT to keep the outputs on or off Create an external circuit for monitoring output signals that may lead to Serious accidents Failure to do so may cause mis outputs or malfunctions resulting in accidents If a communication error including cable disconnection occurs during monitoring the communication between the GOT and PLC CPU may be interrupted and the GOT may be inoperative For bus connection The PLC CPU is down and the GOT is inoperative For other than above The GOT is inoperative When configuring a system including the GOT the possibility of GOT communication error must be considered make sure the operation significant for the system will be performed by switches on devices other than the GOT Failure to do so may cause mis outputs or malfunctions resulting in accidents Do not bunch the control wires or communication cables with the main circuit or power wires or lay them close to each other As a guide separate the lines by a distance of at least 100mm 3 94 inches otherwise malfunctions may occur due to noise INSTALLATION PRECAUTIONS NWARNING Be s
10. e extend interface relay board before removing the unit Above 6 5 PRECAUTIONS FOR LAYING CABLES 5 1 Precautions for cable connection GT15 J71LP23 25 1 The distance between stations varies depending on the type of optical fiber cable used Distance between stations m ft 25Mbps 10Mbps SI optical fiber cable 200 656 500 1640 Old type A 2P 100 328 300 984 SI optical fiber cable 200 656 500 1640 H PCF optical fiber cable 400 1312 1000 3281 Broad band H PCF optical fiber cable 1000 3281 1000 3281 QSI optical fiber cable 1000 3281 1000 3281 2 When connecting an optical fiber cable the following restrictions on the bending radius must be observed For further details contact Mitusubishi Electric System amp Service Co Ltd 3 When laying the optical fiber cable do not touch the fiber core of the cable connector or module connector or let dirt or dust collect on it If oil from the hands dirt or dust should adhere to the core the transmission loss will increase causing a malfunction in the data link Do not remove the covers from the unit connectors without optical fiber cables connected 4 When attaching or detaching the optical fiber cable to from the unit hold the cable connector securely with the hands 5 Connect the cable connector and unit connector securely until you hear a click sound 6 For connecting or removing the
11. ecautions for cable connection GT15 J71BR13 6 WIRING METHOD c Ret tr ERE ER coer 7 EXTERNAL DIMENSIONS 7 Manuals The following shows manuals relevant to this product Detailed Manual Manual number Model code GT16 User s Manual Hardware SH 080928bENG Sold separately 1D7MD3 GT15 User s Manual SH 080528ENG Sold separately 1D7M23 GOT1000 Series Connection Manual Mitsubishi Products for GT Works3 Sold separately Manual name SH 080868ENG 1D7MC2 Relevant Manuals For relevant manuals refer to the PDF manuals stored in the DVD ROM for the drawing software used Compliance with the EMC and Low Voltage Directives To configure a system meeting the requirements of the EMC and Low Voltage Directives when incorporating the Mitsubishi GOT EMC and Low Voltage Directives compliant into other machinery or equipment refer to EMC AND LOW VOLTAGE DIRECTIVES of the General Description included with the GOT used The CE mark indicating compliance with the EMC and Low Voltage Directives is printed on the rating plate of the GOT Compliance with the Radio Waves Act South Korea This product complies with the Radio Waves Act South Korea Note the following when using the product in South Korea ONE SSS AS ANMSSIILA BOA LE ASME Ol SS FOSH PALMA ASA ASSE AS SHO BUC The product is for business use Class A and meets the electromagnetic compatibi
12. have the following restrictions on the bending radius Allowable bending radius Connector Cable type r mm in A mml in 3C 2V 23 0 91 5C 2V 30 1 18 57 5 2 46 4 Do not pull any of the connected coaxial cables This will cause a faulty contact cable disconnection or damage to the unit 5 Make sure to connect a terminal resistor to both terminal stations of the coaxial bus type network system 6 The F type connector has the possibility to extract a white oxide according to the use enviroment However there is no problem on the function because the oxide is not generated in connected part 7 Please wire the cable correctly After wiring perform a station to station test or others to confirm if the setting and wiring of GT15 J71BR13 have been done properly For testing methods please refer to following manuals Type MELSECNET 10 Network system PLC to PLC network Reference Manual For QnA Q4AR MELSECNET 10 Network System Reference Manual Q Corresponding MELSECNET H Network System Reference Manual PLC to PLC network It might be generated that a baton abnormal passing cannot be generated when miswiring and the downed bureau cannot do the row again even by the reclosing of the power supply 6 WIRING METHOD 1 GT15 J71LP23 25 The optical fiber cable is wired in the following manner There is no problem even if not wiring in order of t
13. he station number Define a control station number and a normal station number according to the system specifications Control station Normal station Normal station Station number 1 Station number 2 Station number 3 QJ71LP QJ71LP GT15 21 25 21 25 J71LP 23 25 OUT IN OUT IN OUT IN N A P ES E 2 GT15 J71LP23 25 The coaxial cable is wired in the following manner There is no program even if not wiring in order of the station number Define a control station number and a normal station number according to the system speci Control statio ications Normal station 5 Station number 1 Station number 2 QJ71 QJ71 BR13 BR13 Terminal resistor 14 GT15 J71LP 23 25 Normal station Station number 3 L IL T 7 EXTERNAL DIMENSIONS 1 GT15 J71LP23 25 GOT main unit 133 5 24 108 4 25 When the 1 connector is connector is connected connected a to X n D 2 e a ER Mew e 49 5 1 95 40 3 1 59 Dimensions of X when the MELSECNET H communication unit is mounted to the 19 5 0 77 21 0 83 23 0 91 18 0 71 18 0 71 23 0 91 23 0 91 21 0 83 21 0 83 23 0 91 23 0 91 23 0 91 23 0 91
14. itsubishi Electric Asia Pte Ltd 1707 307 Alexandra Road 05 01 02 Mitsubishi Tel 44 1707 276100 lexandra Road Italy Mitsubishi Electric Europe B V Italian Electric Building Singapore 159943 Branch Tel 65 6470 2460 Thailand Mitsubishi Electric Automation Thailand Centro Dir Colleoni Pal Perseo Ingr 2 Via Paracelso 12 1 20041 Agrate Brianza Milano Italy Moo 4 Serithai Rd T Kannayao Tel 39 039 60531 Mitsubishi Electric Europe B V Spanish A Kannayao 30230 Thalland Branch Carretera de Rubi 76 80 E 08190 Sant Cugat del Valles Co Ltd Bang Chan Industrial Estate No 111 Indonesia P T Autoteknindo Sumber Makmur Muara Karang Selatan Block A Utara No 1 Kav No 11 Kawasan Industri Barcelona Spain Per j gudangan Jakarta Utara 14440 Tel 34 93 565 3131 P O Box 5045 Jakarta 11050 Indonesia France Mitsubishi Electric Europe B V French Tel 62 21 6630833 Branch India Messung Systems Pvt Ltd 25 Boulevard des Bouvets F 92741 Electronic Sadan NO III Unit No15 Nanterre Cedex France M L D C Bhosari Pune 411026 India Tel 33 1 5568 5568 Tel 91 20 2712 3130 South Africa Circuit Breaker Industries Ltd Australia Mitsubishi Electric Australia Pty Ltd Private Bag 2016 2 1600 Isando 348 Victoria Road Rydalmere South Africa N S W 2116 Australia Tel 27 11 928 2000 Tel 61 2 9684 7777 AM MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNO
15. lity requirements The seller and the user must note the above point and use the product in a place except for home A 8 Packing List The following items are included Product Quantity MELSECNET H communication unit GT15 J71LP23 25 Mounting screw set 2 screws 2 stickers Extend interface relay board MELSECNET H communication unit F type connector AGRCON F GT15 J71BR13 1 Mounting screw set 2 screws 2 stickers Extend interface relay board 1 In the case of coaxial type network system terminal resistors must be attached to both terminal stations of the network The GT15 J71BR13 does not include terminal resistors ABRCON R75 759 Therefore they should be prepared by the user A 9 1 OVERVIEW This manual explains the GT15 J71LP23 25 and GT15 J71BR13 hereinafter referred to as MELSECNET H communication unit The MELSECNET H communication unit allows the GOT 1000 series to function as a normal station MELSECNET H connection MELSECNET 10 connection in the MELSECNET H network system PLC to PLC network and MELSECNET 10 network system PLC to PLC network Refer to the User s Manual for the GOT used for GOT to which this unit can be installed When using the MELSECNET H or MELSECNET 10 connection make the communication setting to perform communication with PLCs For system configuration when connecting the GOT to the MELSECNET H or MELSECNET 10 system refer to
16. n Settings of GT Designer2 or GOT utility 3 25Mbps is applied to the MELSECNET H mode and MELSECNET H Extended mode only 4 The distance between stations may be restricted depending on the type of the cable or the number of connected stations Refer to Section 5 1 1 Section 5 2 1 5 Please note that use of optical fiber cable requires the expertise special tools and dedicated connector for connection Please contact your local Mitsubishi Electric System Service or representative for the purchase of the required items Cable 2 core optical connettor plug Arranged by user 5 Applicable connectors 3 PART NAMES The following describes part names and LED indications of the MELSECNET H communication unit 1 GT15 J71LP23 25 5 7 REAR SIDE OUT 2 GT15 J71BR13 Description This indicates the status of the MELSECNET H communication unit and the communication status When the LED is lighted up there are two display formats one for the normal mode and the other for the error mode 1 Normal Mode If any communication error occurs in the normal mode specify the error cause by the NETWK unit status display screen Refer to the User s Manual for the GOT used for details on the NETWK unit status display screen LED name Status Description The GOT is being reset The unit is in a normal status The unit is in a normal s
17. optical fiber cables be sure to shut off all phases of the external power supplies used in the system 10 7 Please wire IN OUT of the connector for the cable correctly After wiring perform a loop test or station to station test or others to confirm if the setting and wiring of GT15 J71LP23 25 have been done properly For testing methods refer to the following manuals Type MELSECNET 10 Network system PLC to PLC network Reference Manual For QnA Q4AR MELSECNET 10 Network System Reference Manual Q Corresponding MELSECNET H Network System Reference Manual PLC to PLC network It might be generated that a baton abnormal passing cannot be generated when miswiring and the downed bureau which cannot do the loopback of an arbitrary bureau do the row again even by the reclosing of the power supply 5 2 Precautions for cable connection GT15 J71BR13 1 Restrictions on the cable length between stations a When connecting between the network modules the cable lengths indicated in the table below should be used according to the number of stations connected A communication error may occur if a cable length other than the lengths indicated in the table is used Number of stations connected 2 to 9 stations 10 to 32 stations Station to station cable length Cable type 3C 2V 5C 2V 3C 2V 5C 2V x cable less than 1m 3 28 ft in length cannot be used 0 to 1 m 3 28 ft 1 3 28 ft to 5 m 16 4 ft
18. s Always make sure to touch the grounded metal to discharge the electricity charged in the body etc before touching the unit Failure to do so may cause a failure or malfunctions of the unit DISPOSAL PRECAUTIONS Dispose of this product as industrial waste A 4 TRANSPORTATION PRECAUTIONS N CAUTION Make sure to transport the GOT main unit and or relevant unit s in the manner they will not be exposed to the impact exceeding the impact resistance described in the general specifications of the User s Manual for the GOT used as they are precision devices Failure to do so may cause the unit to fail Check if the unit operates correctly after transportation When fumigants that contain halogen materials such as fluorine chlorine bromine and iodine are used for disinfecting and protecting wooden packaging from insects they cause malfunction when entering our products Please take necessary precautions to ensure that remaining materials from fumigant do not enter our products or treat packaging with methods other than fumigation heat method Additionally disinfect and protect wood from insects before packing products A 5 REVISIONS Print Date Mar 2006 The manual number is noted at the lower right of the top cover Manual Number IB NA 0800350 A Revision First edition May 2006 IB NA 0800350 B Partial corrections Chapter 2 Sep 2006 IB NA 0800350 C
19. t QSI optical cables 1km 3281ft SI optical cables 500m 1640 5ft H PCF optical cables 1km 3281ft Broad band H PCF optical cables 1km 3281ft QSI optical cables 1km 3281ft 3C 2V 300m 984 3ft 5C 2V 500m 1640 5ft GT15 J71LP23 25 GT15 J71BR13 Only the MELSECNET H or MELSECNET 10 network system Accessible network range i which the GOT is connected Maximum number of groups 0 No group specification Number of stations connected to a network 63 stations 31 stations Prevention of system down by switching the control station Loopback in case of error detection or cable disconnection Specific to GT15 J71LP23 25 Link channel check for the host station Abnormality detection by link special relay resistor Various diagnostic functions RAS functions Transient transmission N N communication Optical fiber cable 3C 3V 5C 2V or Arranged by user 5 equivalent BNC P 3 NiCAu For 3C 2V BNC P 5 NiCAu For 5C 2V Equivalent goods manufactured by DDK Electronics LTD Internal current consumption 0 56A 0 77A Weight 0 18kg 0 4016 0 19kg 0 4216 1 When installing an extension unit on the MELSECNET H communication unit limit the maximum operating ambient temperature by subtracting 5 degrees from operating ambient temperature of the general specifications 2 The mode of the MELSECNET H communication unit can be set in the Communicatio
20. tatus A communications error has occurred Data not transmitted Data are being transmitted Data not received Operation indicator Data are being received LED 2 Error mode When the RUN LED is blinking the LED display format is the error mode In the error mode if an error occurs restart the SDO ORUN GOT RDO OLERR If the error mode is not released after restarting the GOT the system alarm 460 Communication unit error may has occurred For system alarms refer to the User s Manual for the GOT used LED name Status Description Shows that it is in the error Blinking mode Off Lighted up No error off A starting error has not occurred Lighted up A starting error has occurred A hard ware failure has not off occurred A hard ware failure has Lighted up occurred Connector IN side OUT side For GT15 J71LP23 25 only Description Connector for connecting an optical fiber cable Connector For GT15 J71BR13 only Connector for attaching the F type connector to connect coaxial cables Interface connector Extension connector installed to a front extension unit or the GOT Extension connector Extension connector to which a back extension unit is installed Board fixing screw Screws for fixing the extension interface relay board Mounting screw Mounting screws fixed with a front extension unit or the GOT
21. uch as nuclear power electric power aerospace medicine or passenger movement vehicles consult with Mitsubishi This product has been manufactured under strict quality control However when installing the product where major accidents or losses could occur if the product fails install appropriate backup or failsafe functions in the system Country Region Sales office Tel Country Region Sales office Tel U S A Mitsubishi Electric Automation Inc Hong Kong Mitsubishi Electric Automation 500 Corporate Woods Parkway Vernon Hong Kong Ltd Hills IL 60061 U S A 10th Floor Manulife Tower 169 Electric Tel 1 847 478 2100 Road North Point Hong Kong Brazil MELCO TEC Rep Com e Assessoria Tel 852 2887 8870 Tecnica Ltda China Mitsubishi Electric Automation Rua Correia Dias 184 China Ltd Edificio Paraiso Trade Center 8 andar 4 F Zhi Fu Plazz No 80 Xin Chang Road Paraiso Sao Paulo SP Brazil Shanghai 200003 China Tel 55 11 5908 8331 Tel 86 21 6120 0808 Germany Mitsubishi Electric Europe B V German Taiwan Setsuyo Enterprise Co Ltd Branch 6F No 105 Wu Kung 3rd Rd Wu Ku Gothaer Strasse 8 D 40880 Ratingen Hsiang Taipei Hsine Taiwan GERMANY Tel 886 2 2299 2499 Tel 49 2102 486 0 Korea Mitsubishi Electric Automation Korea Co Ltd UK Mitsubishi Electric Europe B V UK 1480 6 Gayang dong Gangseo ku Branch Seoul 157 200 Korea Travellers Lane Hatfield Hertfordshire Tel 82 2 3660 9552 AL10 8XB U K Singapore M
22. ure to shut off all phases of the external power supply used by the system before mounting or removing this unit to from the GOT Not doing so can cause a unit failure or malfunction A 2 INSTALLATION PRECAUTIONS N CAUTION Use this unit in the environment that satisfies the general specifications described in the User s Manual for the GOT used Not doing so can cause an electric shock fire malfunction or product damage or deterioration When installing this unit to the GOT fit it to the connection interface of the GOT and tighten the mounting screws in the specified torque range 0 36 N m to 0 48 Nem with a Phillips head screwdriver No 2 Undertightening can cause a drop failure or malfunction Overtightening can cause a drop failure or malfunction due to screw or unit damage Do not directory touch the conductive part or electronic components of the unit This may cause the unit to fail or malfunction WIRING PRECAUTIONS Be sure to shut off all phases of the external power supply used by the system before wiring Failure to do so may cause electric shock product damage or malfunctions N CAUTION Be careful not to let foreign matter such as dust or wire chips get inside the unit This may cause a fire failure or malfunctions Make sure to securely connect the cable to the connector of unit Incorrect connection may cause malfunctions Make sure to fix communication cables and power cables
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