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Nexto Series

User Manual

MU214600 Rev. H

June 5, 2020

Summary of Contents for Nexto Jet Series

Page 1: ...Nexto Series User Manual MU214600 Rev H June 5 2020 ...

Page 2: ...rstand the product documentation such as manuals and technical characteristics before its installation or use The examples and figures presented in this document are solely for illustrative purposes Due to possible upgrades and improvements that the products may present Altus assumes no responsibility for the use of these examples and figures in real applications They should only be used to assist...

Page 3: ...ules 5 1 1 3 6 Fieldbus Head 5 1 1 3 7 Fieldbus Interface 5 1 1 4 Application Examples 6 1 1 4 1 Compact CPU 6 1 1 4 2 Single CPU 6 1 1 4 3 Single CPU with Remote Rack Expansion 7 1 1 4 4 Single CPU with Remote Rack Expansion and Loopback 8 1 1 4 5 Single CPU with Redundant Rack Expansion and Loopback 9 1 1 4 6 Fieldbus Interfaces 10 1 1 4 7 Fieldbus Interfaces with Redundancy 11 1 1 4 8 MODBUS TC...

Page 4: ...on Steps 25 2 1 1 Step 1 Determine necessary I O modules 25 2 1 2 Step 2 Determine necessary special modules and network interfaces 25 2 1 3 Step 3 Determine CPU 25 2 1 4 Step 4 Determine backplane rack quantity 26 2 1 5 Step 5 Determine the backplane rack connector cover quantity 26 2 1 6 Step 6 Determine the power supply module quantity 26 2 1 7 Step 7 Bus expansion modules and bus expansion cab...

Page 5: ... Circuit with Varistor 41 3 3 8 4 RC Circuit 41 3 3 8 5 Circuit with Capacitor 42 3 3 9 Supply Distribution outside the Panel 42 3 3 10 Lightning Protection 43 4 Installation 44 4 1 Visual Inspection 44 4 2 Mechanical Installation 44 4 2 1 Backplane Rack Fixation 44 4 2 1 1 Drilling 44 4 2 1 2 Assembly 45 4 2 1 3 Removal 47 4 2 2 Module Insertion 47 4 2 3 Modules Removal 49 4 2 4 I O Modules 50 4 ...

Page 6: ...onnector Block with Fixation NX9406 68 4 2 7 8 Cable assembly 69 4 2 7 9 Cable fixation and Identification 69 4 2 7 9 1 Nexto Solution 69 4 2 7 9 2 Nexto Jet Solution 70 4 2 7 10 Cable removal 71 4 2 8 Connections 72 4 2 9 Power Supply 72 4 2 10 Fuses 72 5 Maintenance 73 5 1 Module Diagnostics 73 5 1 1 One Touch Diag OTD 73 5 1 1 1 Diagnostics mode access 73 5 1 1 2 I O points access 75 5 1 1 3 Mo...

Page 7: ...s applications Other modules of Nexto Series made the Nexto Jet solution which is an ideal set of inputs and outputs for small and medium application size beyond distributed systems The solution presents high performance and compact modules that are used together with the CPUs racks communication and fieldbus modules besides MasterTool IEC XE software The Nexto Jet modules add more versatility and...

Page 8: ...00 4 AO Voltage Current Module 16 Bits Nexto Jet NJ2001 24 Vdc 16 DO Transistor Module NJ6100 4 AO Voltage Current Module 16 Bits NJ6101 4 AO Voltage Current Module 12 Bits 1 1 1 6 Power Supply Modules NX8000 30 W 24 Vdc Power Supply Module 1 1 1 7 Racks NX9000 8 Slot Backplane Rack NX9001 12 Slot Backplane Rack NX9002 16 Slot Backplane Rack NX9003 24 Slot Backplane Rack NX9010 8 Slot Backplane Ra...

Page 9: ...re maintenance can be difficult to be performed Besides this feature is environmentally friendly Easy Plug System Nexto Series has an exclusive method to plug and unplug I O terminal blocks The terminal blocks can be easily removed with a single movement and with no special tools In order to plug the terminal block back to the module the frontal cover assists the installation procedure fit ting th...

Page 10: ... is recognized internationally as a seal of quality and excellence considered the Oscars of the design in Europe 1 1 3 Architecture Nexto Series is capable of addressing many different applications ranging from small high speed machinery automation to large complex process automation For this reason the system is very flexible and modular enabling many different configura tions without compromisin...

Page 11: ... Nexto Jet solution does not support this functionality Due to isolation features some I O modules must be supplied by external power supplies 1 1 3 6 Fieldbus Head The fieldbus heads connect Nexto Series modules to different fieldbus networks They can communicate with CPUs from different vendors supporting several protocols like MODBUS PROFIBUS DP and others 1 1 3 7 Fieldbus Interface The fieldbu...

Page 12: ...us or the architecture is formed with Nexto or Nexto Jet modules Figure 1 Compact CPU with Nexto Modules Figure 2 Compact CPU with Nexto Jet Modules 1 1 4 2 Single CPU This architecture is based on a single rack called base rack This rack is populated with a CPU a power supply module PSU and the required I O modules for the application as shown on Figure 3 The modules order must follow the configu...

Page 13: ...ort open The last remote rack has the outgoing data port open The remote racks in between will have both ports connected one port connected to previous rack and the other to the next rack Each expansion module has a switch for selecting the rack number Each rack must have a unique address When this kind of architecture is used it is important to remember that in case of Nexto modules usage only th...

Page 14: ...s to override this failure and generate user diagnostics This feature is interesting for fast maintenance with the system powered on and it increases the overall system availability When this kind of architecture is used it is important to remember that in case of Nexto modules usage only this type of module can be used in the local and or expansion rack The same is true in case of Nexto Jet modul...

Page 15: ...ure or expansion module failure Just as the previous architecture this is intended for systems where maintenance is an issue and the system must be available for a longer time In this architecture the racks must be mounted as the following diagram where the expansion modules are located side by side on the last slot positions Besides there are unused expansion module ports that must be left unconn...

Page 16: ...ODUCTION 1 1 4 6 Fieldbus Interfaces This architecture is based on the use of fieldbus interfaces to access networks for distributing remote I Os and other third party devices Figure 10 Fieldbus Interfaces 10 ...

Page 17: ...terfaces for accessing the same network Since it has two interfaces the network is redundant providing a system with higher availability Figure 11 Fieldbus Interfaces with Redundancy ATTENTION The modules that comprise the solution Nexto Jet not support any kind of redundancy so its use is not allowed in architectures as described in this section 11 ...

Page 18: ...ODUCTION 1 1 4 8 MODBUS TCP Head This architecture is based on the use of fieldbus MODBUS interfaces to access networks for distributing remote I Os and other third party devices Figure 12 MODBUS TCP Head 12 ...

Page 19: ...dby CPU is connected to the active CPU via a high speed link present on a module called Redundancy Link Module This module must be placed at right side of the CPU The CPU and Redundancy Link module must be placed in certain slots in the racks For details check the CPU user manual In the event of an unexpected failure affecting the active CPU the standby system switches over automatically changing ...

Page 20: ...th complete status and diagnostics list firmware update and other features 1 1 5 2 Modules The modules carry high density I Os Nexto Series delivers two module form factors slim and full size modules allowing the best I O combination for many applications where high density and panel size can be an issue Every I O module has a display for local diagnosis where each I O point state is presented The...

Page 21: ...pport this functionality 1 1 5 7 High Availability Nexto Series delivers several different redundant architectures where CPUs PSUs and Fieldbus Interfaces can be mounted in a redundant application With this flexibility the system can be tailored from simple systems with no redundancy at all to very complex and critical applications where high availability plays an important role 1 1 5 8 Enhanced D...

Page 22: ... handling Ideas and suggestions from experienced users are incorpo rated into the development process Figure 15 IEC 61131 3 Programming Languages Some examples When working in FBD LD or IL you can freely switch between these editors Language elements can either be entered directly or dragged into the editor from a tool box MT8500 offers an intelligent input assistance and an extended IntelliSense ...

Page 23: ... of switching between different software tools 1 1 6 3 Object Oriented Programming MasterTool IEC XE offers object oriented programming with the advantages known from modern high level languages such as JAVA or C classes interfaces methods inheritance and polymorphism dynamic binding The IEC function blocks are seamlessly extended and the extensions made available to all engineering aspects Object...

Page 24: ...ser wants to record data or even trigger events for testing or commis sioning purposes This digital storage media which is completely integrated in MasterTool IEC XE can of course also be used to visualize application data 1 1 6 5 Simulation One feature that enables the user to evaluate and test many logic and algorithms is the simulation tool This feature enables the design and test of user appli...

Page 25: ... 1 6 7 User Documentation Help Files Since programming a PLC according the IEC 61131 3 standard languages is a complex task MasterTool IEC XE offers an extensive help file with many hints and descriptions in order to guide and serve as a first knowledge and troubleshooting database to user while designing the logic codes or using any software feature Besides this help file is available in differen...

Page 26: ...e list of I O modules for Nexto Series is presented in the beginning of this document as well a brief description of each of them The following criteria should be considered when selecting the I O modules Rated voltage for the application 24 Vdc voltage or current analog points etc Type of digital output element transistor or relay Need for isolation on digital I Os or analog I Os Maximum currents...

Page 27: ... NX3010 NX3020 NX3030 Fieldbus Interfaces NX5000 NX5001 NX5100 NX5101 NX5110 NX5210 Input Modules Nexto NX1001 NX6000 NX6010 NX6014 NX6020 Nexto Jet NJ1001 NJ6000 NJ6001 NJ6010 NJ6011 NJ6020 Mixed I O Modules Nexto NX1005 Nexto Jet NJ1005 NJ6005 Output Modules Nexto NX2001 NX2020 NX6100 Nexto Jet NJ2001 NJ6100 NJ6101 21 ...

Page 28: ...d technical characteris tics besides this one may be accessed These documents are available in its last version on the site http www altus com br Each product has a document designed by Technical Characteristics CE where the product features are described Fur thermore the product may have User Manuals the manuals codes are listed in the CE For instance the NX2020 module has the information for uti...

Page 29: ...ortuguese CS114700 Características Técnicas de los Bastidores de la Serie Nexto Spanish CE114900 NX4010 Redundancy Link Module Technical Character istics English CT114900 Características Técnicas do Módulo de Redundância NX4010 Portuguese CS114900 Características Técnicas del Módulo de Redundancia NX4010 Spanish MU216600 Nexto Xpress User Manual English MU216000 Manual de Utilização Nexto Xpress P...

Page 30: ...already installed you must have the following information at the moment of support requesting The model of the used equipments and the installed system configuration The product serial number The equipment revision and the executive software version written on the tag fixed on the product side CPU operation mode information acquired through MasterTool IEC XE The application software content acquir...

Page 31: ...odule NX4010 which is used in the Nexto Series half cluster redundancy solution For further information regarding which modules are necessary for the half cluster redundancy solution see Nexto Series CPUs User Manual MU214605 CPU NX3030 Redundancy chapter Besides the special modules the necessity for fieldbus interface must be checked Nexto modules list within this document shows all available fie...

Page 32: ...les can be found in the document Technical Characteristics of the respective power supply module The list of all available power supply modules can be found within the Nexto Series modules list in this document It s important to verify if the selected power supply module is capable of supply the required current for all modules within a specific backplane rack including the backplane rack itself A...

Page 33: ...itate the correct definition of the architecture to be used Therefore it s recommended the use of the MasterTool IEC XE graphic editor before the final definition of the architecture and modules to be used Consistencies such as correct positioning of each used module compatibility between modules and maximum power required from the power supply are some verification executed by the MasterTool IEC ...

Page 34: ...1 Dimensions There are different module sizes in Nexto Series depending on the module type 3 1 1 1 18 mm Nexto I O Module This module size is used in I O modules which fills one slot in the backplane rack Dimensions in mm Figure 20 Nexto 18mm I O Module 28 ...

Page 35: ... 3 1 1 2 18 mm Nexto Jet I O Module This module size is used in I O modules that composes the Nexto Jet solution and which fills one slot in the backplane rack Dimensions in mm Figure 21 Nexto Jet 18mm I O Module 29 ...

Page 36: ...3 PANEL DESIGN 3 1 1 3 36 mm Nexto I O Module This module size is used in I O modules which fills two slots in the backplane rack Dimensions in mm Figure 22 Nexto 36 mm I O Module 30 ...

Page 37: ...1 1 4 CPU Fieldbus Interfaces Power Sources and Special Modules This module size is used for all other modules from the Nexto Series Figure below shows a NX3020 CPU Dimensions in mm Figure 23 36 mm NX3020 CPU module 31 ...

Page 38: ...N 3 1 1 5 2 Slot base for panel assembly Dimensions in mm Figure 24 2 Slot base for panel assembly 3 1 1 6 8 Slot Backplane Rack Without Hot Swap Dimensions in mm Figure 25 8 Slot Backplane Rack Without Hot Swap 32 ...

Page 39: ...3 PANEL DESIGN 3 1 1 7 8 Slot Backplane Rack Dimensions in mm Figure 26 8 Slot Backplane Rack 3 1 1 8 12 Slot Backplane Rack Dimensions in mm Figure 27 12 Slot Backplane Rack 33 ...

Page 40: ...in mm Figure 29 24 Slot Backplane Rack 3 1 2 Assembled module depth in the backplane rack Nexto Series module and rack cluster depth can be calculated by summing 2 49 mm to the module depth In the example shown on figure below a module 115 30 mm deep was used Considering the rack the resulting cluster depth is 117 79 mm Dimensions in mm 34 ...

Page 41: ...ow the correct device handling Besides such space must be respected to allow the air flow through the PLC in the convection form in order to keep the equipment temperature Figure 31 and Table 5 indicate the necessary spacing for the Nexto Series modules Figure 31 Free space around the PLC Dimension A Dimension B Dimension C Dimension D 10 cm 10 cm 4 cm 4 cm Table 5 Free space dimension around the ...

Page 42: ...t use in order to keep the temperature levels within operation limits Distribute equally heat sources within the panel Consider the high current conduction cables heat dissipation to avoid chute overheating ATTENTION In order to obtain the maximum dissipation of each Nexto Series module see the module Technical Characteristics document Following a method to calculate the panel internal temperature...

Page 43: ...sidered 5 5 W m2 C The power dissipated by a panel can then be calculated through the equation Qs k A internal temperature external temperature or obtained from figure below Figure 32 Dissipated Power x Surface x Temperature difference However this value may be triple if forced ventilation is applied in the panel interior The air flow inside a panel is obstructed by the equipment installed generat...

Page 44: ...conditioned device for instance ATTENTION In the previous calculation it must be observed that the internal temperature is always the average and if there s no forced ventilation inside the panel the temperature of the upper part will be higher than the base and concentrated heating points may appear The due security coefficient must be taken for each case Figure 33 Example of Heat Flow Closed Ins...

Page 45: ...mportant that this outlet has a ground pin as the programming terminal must be mandatory grounded All panel outlets must have its voltages levels identified 3 3 3 Panel Cables Distribution The way the signal and supply cable are distributes is no doubt one of the most important points in the installation of programmable controllers The correct distribution of the cables inside the panel and the co...

Page 46: ...commended the use of shields A filter must be used in the panel supply cable 3 3 7 Shield Strong EMI sources transformers motors and high current or voltage cables placed inside the panel must be covered by grounded metallic plates when installed less than 50 cm from the PLC electronic parts Cables which cross the shielded parts must be shielded too or filtered The shielded cables within the panel...

Page 47: ...chnical Characteristics of the products used prior to installation or use thereof For choosing the type of suppressor to be used it should be checked the type of load DC or AC and the voltage levels supported by the module chosen for the project Figure 37 Varistor circuit 3 3 8 4 RC Circuit The RC protection circuit resistor connected in series with a capacitor can be assembled parallel to the con...

Page 48: ...lves inadequate Figure 40 Circuit with capacitor in parallel with contacts Figure 41 Circuit with capacitor in parallel with the load 3 3 9 Supply Distribution outside the Panel In applications where the panel is far away from the machine or from the system to be controlled although in the same building it s recommended the following procedure The transportation of the cables from the panel to the...

Page 49: ...n these lines Some shields are also necessary as shown on figure below ARRESTOR CP VDR SENSORS COMPANY PANEL 20012301A Figure 42 Protection against lightning It s recommended these protection devices to be installed close to the company entrance or close to the panel itself Figure 42 shows the correct way to install the protection against lightning for a generic system Each system has its own inst...

Page 50: ...off the case it is important to discharge any possible static energy accumulated in the body For that touch with bare hands on any metallic grounded surface before handling the modules Such procedure guaranties that the module static energy limits are not exceeded It s important to register each received equipment serial number as well as software revisions in case they exist This information is n...

Page 51: ...in cases where the assembly robustness must be increased It s important to stress that these screws are placed under the modules assembled in the rack so they must be removed when the screws need to be retighten It s mandatory the use of toothed washers in the screws type 3 to guarantee the lowest electric resistance possible between the screw and the panel which must be grounded The toothed washe...

Page 52: ...down in order to fit the screws type 1 in the keyway as presented on figure below Figure 46 Rack fixation Keyway fitting After the rack insertion is complete all fixation screws must be assembled To finish the process the rack side covers must be inserted as presented on figure below 46 ...

Page 53: ...de for the correct insertion must be fit in the backplane rack and then the guide pins are correctly placed in the right rack keyways for a specified position Modules that use only one position in the rack has only one guide pin The figure below shows how the module lower part must be positioned in relation to the rack for the correct insertion Figure 48 NX3010 and Backplane Rack After fitting the...

Page 54: ...ll have been perfectly connected to the bus as presented on figure below Figure 50 Module Correctly Placed in the Backplane Rack The module mustn t be connected to the rack any other way Wrong insertion of the module may cause irreversible damage to it The figure below show how to NOT connect the Nexto modules to the rack 48 ...

Page 55: ... for any Nexto Series module First the fixation lock must be pressed 1 in order to unlock the module from the bus then it must be rotate as shown on figure below 2 Figure 52 Bus Unlock If the user follows the described procedures correctly the module will have been perfectly disconnected from the bus and it can be taken off as presented on figure below 49 ...

Page 56: ...es modules that use one rack slot and modules that use two rack slots In this subtitle the modules that use one rack slot will be called simple width and the modules that use two rack slots will be called double width modules The double width modules use one I O spring connection terminal block pair Each terminal block has 10 pins The simple width modules use one spring connection terminal block w...

Page 57: ...unctions which are described throughout the I O Modules item ATTENTION The Nexto Jet I O modules do not have a frontal cover To access the I O connector the frontal cover must be opened pulling its lower extremity The figure below indicated how it must be done Figure 54 Opening the Frontal Cover The figure below shows an I O module with its frontal cover opened 51 ...

Page 58: ... the I O terminal block insertion described below In case of double width module the insertion must be executed manually With the frontal cover opened the terminal block must be inserted partially in the module taking care to insert it in the right position Then the frontal cover must be closed as indicated on figure below Observe the connector partially connected 52 ...

Page 59: ...56 Closing the Frontal Cover At closing the frontal cover the I O connector block is inserted in the module The movement must be done all the way down until the cover is in the final position as presented on figure below 53 ...

Page 60: ...cause there is no frontal cover that assists to fit the connector The appropriately insertion of the connector in the Nexto Jet modules it is fitting the lower position of the connector according figure below and then the upper part of the connector Once the connector positioned properly in its place with a soft pressure finalize fitting in module 54 ...

Page 61: ...val which is described below As described previously to open the frontal cover it s necessary to pull it by its lower part When the I O connector block must be removed it s necessary to execute the same opening movement besides pressing the connector block extraction lever as shown on figure below It s important to keep the extraction lever pressed during the whole movement since the beginning 55 ...

Page 62: ... I O connector block is partially removed simplifying the rest of its extraction Such functionality is available both for the simple width modules as for the double width modules In case of double width modules each I O connector has its own extraction lever Therefore each connector must be removed individually 56 ...

Page 63: ...t procedure once that there is no frontal cover with extraction lever So to remove the connector from the Nexto Jet modules should be made a movement as shown in figure below using the wire holder as an assistant to disconnect the lower part of the connector from the module and after that remove the connector completely 57 ...

Page 64: ...lation between the pin number and its function on a specific module is defined in the module Technical Characteristics document 4 2 4 5 I O module labels 4 2 4 5 1 Identification number and description Nexto Series I O modules have a frontal label which has two functions allow the user to identify and describe each module and indicate on a short way its installation diagram When the I O modules fr...

Page 65: ...4 INSTALLATION Figure 62 Module Identification 4 2 4 5 2 Installation Diagram At opening the I O frontal covers the module installation diagram becomes visible as presented on figure below 59 ...

Page 66: ...le The numbers on the left indicate the connector block pin number e g on the figure on the left the pins 1 2 and 3 are indicated This symbol indicates a load which is being activated by a Nexto Series module output point This symbol indicates a contact responsible for activate or deactivate a specific Nexto Series module input point This contact can be replaced by any output circuit compat ible w...

Page 67: ...ernate current power supply source The voltage must be compatible with the module characteristics This symbol indicates a direct current source On this symbol the conventional current flux is indicated by the direction of the arrow inside the circle This symbol indicates a thermocouple sensor connected in an analog input of a Nexto Series module This symbol indicates a resistance or a RTD sensor R...

Page 68: ...nt in the frontal cover inner part The label removal is only possible when it is directed over the lock Besides at inserting it again the label must be placed over the frontal cover side locks in order to remain fixed The figure below indicates the side lock position where 3 locks can be observed on each side 62 ...

Page 69: ...ns for protection against undesirable contacts and dust 4 2 5 1 Rack Connector Cover Insertion The connector cover must be placed on the connector starting by the lower part and finishing by the upper part pressing it until it s completely fit as presented on Figure 68 On Figure 69 the connector cover is presented completely placed 63 ...

Page 70: ...4 INSTALLATION Figure 68 Rack Connector Cover Insertion 4 2 5 2 Rack Connector Cover Removal To remove the connector cover one must just pull it by its upper rim as shown on Figure 69 64 ...

Page 71: ...r source is OFF 4 2 7 Spring Connectors This type of connector has a fixation system based on a high reliability spring even under vibration subjected environment Figure 70 and Figure 71 For its assembly it s recommended the use of a 3 5 mm wide screwdriver with isolated handle Figure 72 The advantage of using this connector is the quick and easy electric cable assembly 65 ...

Page 72: ...4 INSTALLATION Figure 70 Spring Connection Power Supply Module 66 ...

Page 73: ... connector Remove the screwdriver to close the connector 4 2 7 1 Cable Insertion In order to obtain an equal length in all cables connected to a same I O connector block it s recommended the following definition regarding the length difference which each cable beside another must obey before installation It s important to stress that the biggest cable must be always the cable connected to the I O ...

Page 74: ...NTION Use terminal with length A 8 mm to guarantee the effective contact see Figure 74 4 2 7 5 6 Pin Connector Block with Fixation NX9404 It s recommended the use of 0 5 mm2 cables Each cable must be cut with a difference of 4 mm as indicated on Figure 73 Each pin must have 0 5 mm2 terminals crimped ATTENTION Use terminal with length A 8 mm to guarantee the effective contact see Figure 74 4 2 7 6 ...

Page 75: ... the connector and correctly connected 4 2 7 9 Cable fixation and Identification 4 2 7 9 1 Nexto Solution It is recommended to use numbered wiring or cables with numbered conductors for wiring identification and Conexel identifier WKM 8 30 PN 1631910000 for cable identification Turn the cables to place then under the I O module frontal cover Then tie them together using plastic tie fixing in the w...

Page 76: ...ie the identifier of the wires on the support wire holder located at the bottom of the connector 4 2 7 9 2 Nexto Jet Solution It is recommended to use numbered wiring or cables with numbered conductors for wiring identification and Conexel identifier WKM 8 30 PN 1631910000 for cable identification Fix using plastic tie the identifier with the wire without fixing the holder placed on the connector ...

Page 77: ... identification attaching the wires with plastic tie C Do not attach anything to the support wire holder located at the bottom of the connector 4 2 7 10 Cable removal To remove the cables from the connector block it s recommended the use of a 3 5 mm wide screwdriver with isolated handle It must be inserted in the lever beside the cable while the cable is pulled off see Figure 70 and Figure 71 71 ...

Page 78: ...d connection from the equipment to the panel must be tight and well dimensioned to guarantee good grounding and noise immunity 4 2 9 Power Supply Check if the power supply voltages are within the values specified in the technical characteristics ATTENTION Where there s high voltage place the warning tag and protections to avoid easy access 4 2 10 Fuses It s recommended to check the system fuses ve...

Page 79: ...iption of all modules and I O points through the diagnostics keys module display and CPU display 5 1 1 One Touch Diag OTD As previously described the tag access functions diagnostics and description of all modules and I O points are related There re three main components that are highly referenced on this explanation CPU graphic display Accessed module display Accessed module diagnostic switch 5 1...

Page 80: ...t of all module s active diagnostics are shown twice on the CPU display then the module goes off the diagnostics mode and the CPU display starts to indicate CPU information again It s possible to identify that a module is in diagnostic mode when both display segments indicate on Figure 78 are blinking 74 ...

Page 81: ...the tag for a specific module or I O point as for instance Temperature reading module for describing a module or Main pump activation for describing a specific output point The character limit for the tag tag description or module name is 255 characters To change the name and description of each module inserted in the application right click on the module in the item Properties in the Common tab c...

Page 82: ...e functionality ETD Electronic Tag on Display This feature is exclusively for Nexto modules 5 1 1 4 Short press and long press Table below indicate the times Press type Minimum time Maximum time Indication condi tion No press 59 99 ms Short press 60 ms 0 99 s Pressing and releas ing the key within a defined period Long press 1 s 20 s Pressing for more than 1 second Stuck key 20 01 s Pressing for m...

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