Mitsubishi Electric MELSEC-L LJ72MS15-U-HW Safety Manuallines

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Safety Guidelines

Thank you for purchasing the Mitsubishi programmable controller

MELSEC-L series.

Prior to use, please read this and relevant manuals thorougly to fully

understand the product.

MODEL

LJ72MS15-U-HW

MODEL

CODE

IB(NA)-0800494-G(2110)MEE

13J224

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Summary of Contents for Mitsubishi Electric MELSEC-L LJ72MS15-U-HW

Page 1 Safety Guidelines Thank you for purchasing the Mitsubishi programmable controller MELSEC-L series. Prior to use, please read this and relevant manuals thorougly to fully understand the product. MODEL LJ72MS15-U-HW MODEL 13J224 CODE IB(NA)-0800494-G(2110)MEE © 2013 MITSUBISHI ELECTRIC CORPORATION...
Page 2: Safety Precautions
SAFETY PRECAUTIONS (Read these precautions before using this product.) Before using the MELSEC-L series product, please read this manual and the relevant manuals carefully and pay full attention to safety to handle the product correctly. In this manual, the safety precautions are classified into two levels: "...
Page 3 [Design Precautions] WARNING ● Configure safety circuits external to the programmable controller to ensure that the entire system operates safely even when a fault occurs in the external power supply or the programmable controller. Incorrect output or malfunction due to a communication failure may result in an accident. (1) Emergency stop circuits, protection circuits, and protective interlock circuits for conflicting operations such as forward/reverse rotations or upper/lower limit positioning must be configured external to the...
Page 4 [Design Precautions] WARNING ● Configure a circuit so that the external power supply is turned off first and then the programmable controller. If the programmable controller is turned off first, an accident may occur due to an incorrect output or malfunction. ●...
Page 5 [Design Precautions] WARNING Precaution specific to digital-analog converter modules ● When a module is faulty, analog outputs may remain on. Configure an external circuit for monitoring output signals that could cause a serious accident. Precautions for using high-speed counter modules and flexible high-speed I/O control modules ●...
Page 6 [Design Precautions] CAUTION ● Do not install the control lines or communication cables together with the main circuit lines or power cables. Keep a distance of 100mm or more between them. Failure to do so may result in malfunction due to noise. ●...
Page 7 [Security Precautions] WARNING ● To maintain the security (confidentiality, integrity, and availability) of the programmable controller and the system against unauthorized access, denial- of-service (DoS) attacks, computer viruses, and other cyberattacks from external devices via the network, take appropriate measures such as firewalls, virtual private networks (VPNs), and antivirus solutions.
Page 8 [Wiring Precautions] WARNING ● Shut off the external power supply (all phases) used in the system before wiring. Failure to do so may result in electric shock or cause the module to fail or malfunction. ● After installation and wiring, attach the included terminal cover to the product before turning it on for operation.
Page 9 [Wiring Precautions] CAUTION ● Individually ground the FG and LG terminals of the programmable controller with a ground resistance of 100 or less. Failure to do so may result in electric shock or malfunction. ● Use applicable solderless terminals and tighten them within the specified torque range.
Page 10 [Wiring Precautions] CAUTION ● Prevent foreign matter such as dust or wire chips from entering the module. Such foreign matter can cause a fire, failure, or malfunction. ● A protective film is attached to the top of the module to prevent foreign matter, such as wire chips, from entering the module during wiring.
Page 11 [Startup and Maintenance Precautions] WARNING ● Do not touch any terminal while power is on. Doing so will cause electric shock or malfunction. ● Shut off the external power supply (all phases) used in the system before cleaning the module or retightening the terminal block screws or connector screws.
Page 12 [Startup and Maintenance Precautions] CAUTION Precautions for using flexible high-speed I/O control modules ● When performing online operations of the running module from an external device such as a personal computer connected, read the relevant manuals carefully and ensure that the operation is safe before proceeding. ●...
Page 13 PRÉCAUTIONS DE SÉCURITÉ (Lire ces précautions avant toute utilisation du produit.) Avant d'utiliser un produit de la série MELSEC-L, prendre la peine de lire ce manuel et les autres manuels associés et observer soigneusement toutes les précautions de sécurité à propos de la manipulation du produit. Dans ce manuel, les précautions de sécurité...
Page 14 [Précautions lors de la conception] AVERTISSEMENT ● Configurer des circuits de sécurité extérieurs à l'automate programmable pour garantir la sécurité du système dans son ensemble à la survenance d'une anomalie dans l'alimentation externe comme dans l'automate programmable. Une sortie erronée ou un dysfonctionnement suite à une erreur de communication peuvent être à...
Page 15 [Précautions lors de la conception] AVERTISSEMENT ● Configurer un circuit qui coupera d'abord l'alimentation externe puis l'automate programmable. Si c'est l'automate programmable qui est mis hors tension en premier, il y a risque d'accident en cas de sortie erronée ou autre dysfonctionnement. ●...
Page 16 [Précautions lors de la conception] AVERTISSEMENT Précautions particulières aux modules convertisseurs numériques-analogiques ● En as de défaillance d'un module, il se peut que les sorties analogiques restent actives. Configurer un circuit de surveillance externe pour le suivi des signaux de sortie susceptibles de provoquer un accident grave. Précautions pour l'utilisation des modules de comptage haute vitesse et des modules de commande E/S flexibles haute vitesse...
Page 17 [Précautions lors de la conception] ATTENTION ● Ne pas entremêler les lignes de commandes ou câbles de communication avec les lignes des circuits principaux ou les câbles d'alimentation. Les installer en maintenant entre eux une distance minimum de 100mm. Faute de quoi, il y a risque de dysfonctionnement par un bruit.
Page 18 [Précautions de sécurité] AVERTISSEMENT ● Pour maintenir la sécurité (confidentialité, intégrité et disponibilité) de l'automate programmable et du système contre les accès non autorisés, les attaques par déni de service (DoS), les virus informatiques et autres cyberattaques d'appareils externes via le réseau, prendre les mesures appropriées telles que la configuration d'un pare-feu ou d'un réseau privé...
Page 19 [Pécautions de câblage] AVERTISSEMENT ● Avant le câblage, couper l'alimentation externe du système (sur toutes les phases). Faute de quoi, il y a risque d'électrocution et le module risque de tomber en panne ou de mal fonctionner. ● Après installation et câblage, mettre en place les couvre-bornes fournis avec le produit avant la mise sous tension et la mise en service.
Page 20 [Pécautions de câblage] ATTENTION ● Mettre à la terre individuellement les bornes FG et LG de l'automate programmable avec une résistance de terre inférieure à 100Ω. Faute de quoi, il y a risque d'électrocution et de dysfonctionnement. ● Utiliser des bornes sans soudure de type approprié et serrer au couple de serrage prescrit.
Page 21 [Pécautions de câblage] ATTENTION ● Veiller à ne pas laisser la poussière, les copeaux métalliques ou d'autres corps étrangers pénétrer dans le module. De telles corps étrangers peuvent être à l'origine d'un départ de feu, d'une panne ou d'un dysfonctionnement. ●...
Page 22 [Précautions de mise en service et de maintenance] AVERTISSEMENT ● Ne toucher à aucun des bornes quand le système est sous tension. Faute de quoi, il y a risque d'électrocutions et de dysfonctionnements. ● Couper l'alimentation externe du système (sur toutes les phases) avant le nettoyage du module ou avant le resserrage des vis de bornes ou des vis de connecteurs.
Page 23 [Précautions de mise en service et de maintenance] ATTENTION Précautions pour l'utilisation des module de commande E/S flexibles haute vitesse ● Lors de l'exécution d'opérations en ligne du module en cours d'exécution à partir d'un périphérique externe tel qu'un ordinateur connecté, lisez attentivement les manuels correspondants et assurez-vous que l'opération est sûre avant de continuer.
Page 24: Conditions Of Use For The Product
PRODUCTs are required. For details, please contact the Mitsubishi Electric representative in your region. (3) Mitsubishi Electric shall have no responsibility or liability for any problems involving programmable controller trouble and system trouble caused by DoS attacks, unauthorized access, computer viruses, and other cyberattacks.
Page 25: Table Of Contents
CONTENTS 1. CHECKING THE INCLUDED ITEMS ............26 2. GENERAL SPECIFICATIONS ..............27 3. CONNECTING THE MODULES ..............29 Precautions for Connecting Modules ..........29 Connecting Modules ................31 Installing the Modules on a DIN Rail ........... 33 4. EMC AND LOW VOLTAGE DIRECTIVES ........... 36 Requirements for Compliance with the EMC Directive .......
Page 26: Related Manual
Related manual The manual related to this product is shown below. Please place an order as needed. Detailed manual Manual number Manual name (Model code) MELSEC-L SSCNET III/H Head Module User's Manual Specifications, procedures before operation, system SH-081152ENG configuration, installation, wiring, settings, and troubleshooting (13JZ78) of the head module (Sold separately)
Page 27: Checking The Included Items
1. CHECKING THE INCLUDED ITEMS The following items are included in the package of this product. Before use, check that all the items are included. Head module + END cover (L6EC) This manual...
Page 28: General Specifications
2. GENERAL SPECIFICATIONS This section provides specifications common to the relevant modules. Item Specifications Operating ambient temperature 0 to 55°C Température 0 à 55 °C ambiante de fonctionnement Storage ambient -25 to 75°C temperature Operating ambient humidity 5 to 95%RH, non-condensing Storage ambient humidity Constant...
Page 29 *3 This index indicates the level of possible conductive pollution in the environment where the equipment is used. Pollution degree 2 is non-conductive pollution although a temporary conductivity caused by condensation can be expected. POINT For the product to comply with the EMC or Low Voltage Directive, refer to Chapter 4.
Page 30: Connecting The Modules
3. CONNECTING THE MODULES This chapter explains how to connect modules and install them on a DIN rail. POINT (1) Modules must be installed on a DIN rail. (2) Attach an END cover to the right side of the endmost module. (3) For installation environment and position of the modules, refer to the following.
Page 31 • Prendre en considération la commodité d'exploitation et de maintenance, ainsi que la bonne résistance aux facteurs environnementaux adverses lors de l'installation en tableau de commande, etc. Fixer fermement sur un rail DIN tous les modules de la série MELSEC-L à utiliser. Pour le détail de l'installation, voir aussi le MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection) (Manuel de l'utilisateur MELSEC-L CPU module (conception du...
Page 32: Connecting Modules
Connecting Modules This section explains the procedure for connecting modules with an example of how to connect the head module with the L61P. Shut off the external power supply (all phases) used in the system before connecting modules. Release 1. To release the module joint levers located at the top and bottom of the head module: 2.
Page 33 5. Slide the levers toward the back side of the module until they click. Make sure that the modules are securely connected. To lock the levers, push the projection (1) of the lever. POINT (1) Failure to securely lock the module joint levers until they click may cause malfunction, failure, and drop of the module.
Page 34: Installing The Modules On A Din Rail
Installing the Modules on a DIN Rail This section explains how to install the modules on a DIN rail. POINT The description of how to use a DIN rail stopper in the following procedure is provided for explanation purpose only. Follow the instructions of the DIN rail stopper used to fix a module.
Page 35 5. Hitch the bottom hook of the DIN rail stopper to the bottom of the DIN rail. Check the orientation of the DIN rail stopper according to the arrow on the front of the stopper. Hitch the hook to bottom of the DIN rail Hitch the hook to top of the DIN rail 6.
Page 36 POINT Do not slide modules from the edge of the DIN rail when mounting. Doing so may damage the metal part located on the back of the module.
Page 37: Emc And Low Voltage Directives
4. EMC AND LOW VOLTAGE DIRECTIVES In each country, regulations concerning electromagnetic compatibility (EMC) and electrical safety are enacted. For the products sold in the European countries, compliance with the EU’s EMC Directive has been a legal obligation as EMC regulation since 1996, as well as the EU’s Low Voltage Directive as electrical safety regulation since 1997.
Page 38: Requirements For Compliance With The Emc Directive
Requirements for Compliance with the EMC Directive The EMC Directive specifies that "products placed on the market must be so constructed that they do not cause excessive electromagnetic interference (emissions) and are not unduly affected by electromagnetic interference (immunity)". This section summarizes the precautions on compliance with the EMC Directive of the machinery constructed with the MELSEC-L series modules.
Page 39 (b) Regulations regarding immunity Specification Test item Test details Standard value EN61000-4-2 Immunity test in Electrostatic which electrostatic is • 8kV Air discharge discharge applied to the cabinet • 4kV Contact discharge immunity of the equipment. EN61000-4-3 Immunity test in 80% AM modulation@1kHz Radiated, radio- which electric fields...
Page 40 (2) Installation inside a control panel The programmable controllers are open type devices and must be installed inside a control panel. This ensures safety as well as effective shielding of programmable controller-generated electromagnetic noise. (a) Control panel • Use a conductive control panel. •...
Page 41 (3) Cables used for the modules connected to the head module Use shielded cables for the cables which are connected to the I/O modules and may be extended out of the control panel. If a shielded cable is not used or not grounded correctly, the noise immunity will not meet the specified value.
Page 42 (b) Grounding the cable clamp Use shielded cables for external wiring and ground the shields of the external wiring cables to the control panel with the AD75CK-type cable clamping (Mitsubishi). (Ground the shield section 20 to 30cm away from the module.) Inside the control panel 20 to 30cm AD75CK...
Page 43 [Example of processing for a shielded cable] To protect signals, cover connector pins with Take off the insulating tube of each shield heat shrinkable insulation tube. (If signals and connect the shields of the cables with are stripped, they are affected by static conductive tapes.
Page 44 (d) I/O signal lines and other communication cables For the following cables, if pulled out of the control panel, always ground the shield section of these lines and cables in the same manner described in (a). • I/O signal lines (including a common line) (e) Power cables for external power supply terminal As an external power supply for the following modules, use a CE-marked AC/DC power supply with a reinforced insulation...
Page 45 (8) Flexible high-speed I/O control module Take following measures. • Attach a ferrite core to the cable for the DC power connected to the flexible high-speed I/O control module, and to the cable for the DC power connected to a controller. For a ferrite core, the ESD-SR-250 (manufactured by NEC TOKIN Corporation) is recommended.
Page 46 (b) Noise filter (power supply line filter) A noise filter is a component which has an effect on conducted noise. Attaching the filter can suppress more noise. (The noise filter has the effect of reducing conducted noise of 10 MHz or less.) The precautions for attaching a noise filter are described below.
Page 47: Requirements To Compliance With The Low Voltage Directive
(c) Isolation transformer An isolation transformer has an effect on reducing conducted noise (especially, lightning surge). Lightning surge may cause a malfunction of the programmable controller. As measures against lightning surge noise, connect an isolation transformer as shown below. Using an isolation transformer will reduce an impact of lightning.
Page 48 (2) MELSEC-L series module selection (a) Power supply module There are dangerous voltages (voltages higher than or equal to 42.4V peak) inside the power supply modules of 100VAC and 200VAC rated input voltages. Therefore, for CE-marked products, insulation is reinforced internally between the primary and secondary circuits.
Page 49 (4) Control panel (a) Electrical shock prevention The control panel must be handled as shown below to protect a person who does not have adequate knowledge of electricity from an electric shock. • Lock the control panel so that only those who are trained and have acquired enough knowledge of electric facilities can open the control panel.
Page 50 (c) Reinforced insulation The reinforced insulation covers the withstand voltages shown below. Rated voltage of hazardous voltage µ Surge withstand voltage (1.2/50 area 150VAC or lower 2500V 300VAC or lower 4000V (Installation Category II, source: IEC 664)
Page 51: General Safety Requirements
5. GENERAL SAFETY REQUIREMENTS When a programmable controller is powered on or off, proper output of the control target may not function temporarily due to delay and startup time differences between the power supply for the programmable controller and the external power supply for the control target (especially in the case of DC).
Page 52: Warranty
WARRANTY Please confirm the following product warranty details before using this product. 1. Gratis Warranty Term and Gratis Warranty Range If any faults or defects (hereinafter "Failure") found to be the responsibility of Mitsubishi occurs during use of the product within the gratis warranty term, the product shall be repaired at no cost via the sales representative or Mitsubishi Service Company.
Page 53 Addition of descriptions of UKCA 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.
Page 54 20 Waterford Office Park, 189 Witkoppen Road, Avenida Adelino Cardana, 293, 21 andar, Fourways, South Africa Bethaville, Barueri SP, Brazil Tel : +27-11-658-8100 Tel : +55-11-4689-3000 Germany MITSUBISHI ELECTRIC EUROPE B.V. German China MITSUBISHI ELECTRIC AUTOMATION (CHINA) Branch LTD. Mitsubishi-Electric-Platz 1, 40882 Ratingen, No.1386 Hongqiao Road, Mitsubishi Electric...

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