Omron NT620S Operation Manual

Programmable terminals
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Cat. No. V033-E1-5
NT620S/620C
Programmable Terminals
OPERATION MANUAL

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Summary of Contents for Omron NT620S

  • Page 1 Cat. No. V033-E1-5 NT620S/620C Programmable Terminals OPERATION MANUAL...
  • Page 2 NT620S/620C Programmable Terminals Operation Manual Revised April 2001...
  • Page 4 OMRON Product References All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when it refers to an OMRON product, regardless of whether or not it appears in the proper name of the product. The abbreviation “Ch,” which appears in some displays and on some OMRON products, often means “word”...
  • Page 6: Table Of Contents

    Role and Operation of NT620S/620C ........
  • Page 7 E Transporting and Storing the NT620S/NT620C ........
  • Page 8 Section 3 describes the operation of the System Menu and the maintenance of the NT620S/620C. Section 4 describes the functions of the NT620S/620C when it is connected to a PC. Section 5 describes how to use the NT620S/620C when it is connected to the PC using the host link or NT link.
  • Page 9 This manual This operation manual is the manual for the NT620S/620C itself. The NT620S/620C is a unit which integrates a programmable terminal body and host interface unit. This operation manual describes the functions and handling of both the programmable terminal body and the host interface function.
  • Page 10 PRECAUTIONS This section provides general precautions for using the Programmable Terminal. The information contained in this section is important for the safe and reliable application of the Programmable Ter- minal. You must read this section and understand the information contained before attempting to set up or operate a Programmable Terminal.
  • Page 11: Intended Audience

    You must consult with your OMRON representative before applying Programmable Terminals to the abovementioned applications. WARNING Do not use input functions such as PT touch switches for applications where dan- ger to human life or serious damage is possible, or for emergency switch applica- tions.
  • Page 12 S The cable’s tensile load is 30 N. Do not subject it to loads greater than this. Otherwise a discontinuity may occur, causing operation to fail. S Do not install the NT620S/NT620C at sites subject to the following conditions. Otherwise, the product may malfunction.
  • Page 13 – Do not install the unit at location where the ambient temperature goes out- side the range 0 to 45_C in the case of the NT620S and 0 to 40_C in the case of the NT620C, or where the relative humidity goes outside the range 35 to 85% RH.
  • Page 14 S Do not disassemble the NT620S/NT620C for repairs or modification. Other- wise, the product may malfunction. S The disposal of the NT620S/NT620C (and used backlights) may be regulated by national and local authorities. Dispose of them in accordance with the laws and regulations of the relevant country and local authority.
  • Page 15: Functions Of The Nt620S/620C

    1-2-3 Principal Functions of NT620S/620C ........1-2-4 Displays .
  • Page 16: Role And Operation Of Nt620S/620C

    Section Role and Operation of NT620S/620C NT620S/620C is a programmable terminal used to display and transmit the in- formation in an FA site. The following gives a general description of the role and operation of the NT620S/620C for those who use a programmable terminal (PT) for the first time.
  • Page 17 PC or touch switch operation is displayed. Receives Data from a PC NT620S/620C can be connected to a PC by a host link, NT link or memory link and receive necessary data from the PC. Host link, NT link...
  • Page 18: Functions Of Nt620S/620C

    1-2-1 Features S Construction best suited to the FA environment - The NT620S features an amber EL display panel and the NT620C has an STN color LCD panel. - Its backlight unit and battery can be replaced at the FA site.
  • Page 19 Section 1-2-2 Comparison between NT620S and NT620C Two NT620 models – the NT620S, which is capable of versatile graphic displays, and the NT620C, which is also capable of color display – are available. The dif- ferences between the NT620S and NT620C are tabled below.
  • Page 20 NT620S/620C. site or even written onto the numer- System program installation function ic/character-string table and sent to the host. By using the optional system installer, the NT620S/NT620C system program can be changed.
  • Page 21 1-2-4 Displays The NT620S/620C can display various kinds of elements such as characters, numeric value, lamps, touch switches, and bar graphs on a screen. The screen data displayed on the NT620S/620C are created by using support tools on a computer. Touch...
  • Page 22: System Configuration

    System Configuration This section gives the basic configuration of a system which uses an NT620S/620C. Use an RS-232C cable to connect to a PC. Refer to the manual for individual device for information on the equipment other than the NT620S/620C in the system.
  • Page 23 ON/OFF status and numeric value inputs to the PC. * When the NT620S/NT620C is used with RS-422A, an RS-232C/RS-422 converter unit (NT-AL001) is required. Reference In host link and NT link (1:1) communications, it is possible to connect to RS-422A via an RS-232C/RS-422 converter unit (NT-AL001) but not to RS-485.
  • Page 24 When the RS-422A port is used for connection at the PC, the RS-422A/485 cable can be connected directly. RS-422A/485 cable (*) In an NT link (1:N), up to eight NT620S/NT620C units can be connected to RS-232C cable a single PC port. Bar code readers, printers (max. length: 2 m) and personal computers can be connected to each NT620S/NT620C.
  • Page 25: Communication Using The Direct Connection Function

    PC memory. Bits and words in the PC can be referenced from any memory table. S The NT620S/620C can directly refer to PC bit and word data so that it can be connected to a PC without changing the PC program which controls currently running production line.
  • Page 26 C200HX/HG/HE When using the NT620S/NT620C in an NT link, two communications modes are possible: a single NT620S/NT620C can be connected to one PC (1:1 NT link), or alternatively, up to eight NT620S/NT620C units can be connected to a single PC port (1:N NT link).
  • Page 27 NT620S/620C status S Notifying from the NT620S/620C to a PC Data in the NT620S/620C is sent to a PC when a touch switch is pressed. The following types of data are sent to a PC. - NT620S/620C status...
  • Page 28 Communication Using the Direct Connection Function Section Allocation destination: Bit Touch switch #12 NT620S/620C Bit 009012 Bit 009012: ON The lamp comes on (flashes) when the PC’s control bit is ON (1) and goes off when it is OFF (0). While the touch switch is pressed, the PC’s notification bit turns ON (1), and when it is released, the bit turns OFF (0).
  • Page 29 Functions of the PT Status Control Area (PC to NT620S/620C) The “PT status control area” is used to control the NT620S/620C status. When data is written to this area in the PC, the NT620S/620C reads the contents and operates according to the contents.
  • Page 30 The “PT status notify area” is used to notify the changes of the NT620S/620C status. When a change is made in the NT620S/620C status, the change is written to this area in the PC. By reading the data from the area, the NT620S/620C status can be checked.
  • Page 31: Communication Using The Memory Link

    PT memory and the NT620S/NT620C display elements. By reading from and writing to the PT memory, the host can execute NT620S/ NT620C processing via the PT memory. In addition, dedicated commands are available for reading and writing of fre- quently used numeral memory tables and character-string memory tables.
  • Page 32: Before Operating

    Section 6 “Using Memory Link”, and for details on how to use screens and display elements, and other information, refer to Section 5 “Using Host Link/NT Link”. Before Operating Follow the procedure given below to start the system of the NT620S/620C. NT620S/620C Support tool Check and change Install support tools Set the DIP switches.
  • Page 33 Before Operating Section Refer to the following manuals for equipment and software. Equipment or Software Manual Title Manual Number System installer NT620S/NT620C system installer/instruction manual Instruction manual supplied with the product Support tools NT series support tool Ver.2.j V028-E1-j Operation Manual...
  • Page 34: Hardware Settings And Connections

    Connecting the NT620S/620C ........
  • Page 35: Description Of Parts And Settings

    Before getting to the operation, confirm the names and functions of parts. Also set the DIP switches on the NT620S/620C. Caution On unpacking the NT620S/NT620C, check its external appearance and confirm that there is no damage. Also confirm that there is no abnormal noise on shaking the NT620S/NT620C lightly.
  • Page 36 24VDC GR Holes for mounting expansion I/O equipment Reset switch (SW1) GR terminal Initializes the NT620S/620C statuses. Note that Grounding terminal for the image data memory and the memory to prevent electric switch, the status before the initialization is shock.
  • Page 37 Description of Parts and Settings Section 2-1-2 DIP Switch Settings Set the NT620S/620C operation status with the DIP switches located in the bot- tom right corner on the rear side of the body. 24VDC GR Switch # Function SW2-1 Screen data forced initialize effective/ineffective The NT620S/620C will start in a special RUN mode in which the screen data memory is initialized.
  • Page 38: Installation

    “Setting the Conditions of Communications with the PC by Using the Memory Switches” (page 69). - The DIP switch settings may have to be changed after the NT620S/NT620C has been installed in an operation panel. Bear this in mind when selecting the installation location in the panel.
  • Page 39 The panel must not be soiled or warped, and must be able to support an installation that will remain secure and strong. (1) Open a hole, shown below, in the panel and install the NT620S/620C from the front side of the panel.
  • Page 40 Installation Section 2-2-2 Power Supply Connection Connect a 24 VDC power supply to the power input terminals. Note - Check the wiring carefully before turning on the power. - Do not connect an AC power supply to the power supply terminals. - Use a DC power supply with low voltage fluctuation.
  • Page 41 Grounding wire length should be less than 20 m. Note that if grounding wire is used in common with other equipment, or if it is con- nected to a beam of a building, for example, the NT620S/620C might be adverse- ly affected by this grounding.
  • Page 42: Connecting To The Support Tool

    Section Connecting to the Support Tool Connect the NT620S/620C to a computer with an RS-232C cable to transfer the screen data created by using a support tool to the NT620S/620C. It is impossible to connect a computer and a PC at the same time to the NT620S/620C.
  • Page 43: Installing The System Program

    Reference - If the system program is erased, it will be impossible to use the NT620S/620C. Ensure that the system program and the system installer are on hand before erasing the system program. Registered screen data and memory switches will, however, be saved.
  • Page 44 In the tool settings of the system installer, specify the type of PT in which the system program is being installed. Set “NT620S” or “NT620C” for “NT type”. Set the other settings in accordance with the environment in which the system installer is to be used.
  • Page 45: Connection To A Pc By The Host Link

    Section Connection to a PC by the Host Link Connect the NT620S/620C to an OMRON PC by the host link method. To con- nect the NT620S/620C to a PC by the host link method, the NT620S/620C memory switch for “Comm. Method” must be set for the host link. For the “Comm.
  • Page 46 CVM1-CPU21-EVj *:Connection to the CPU units of CVM1/CV series PCs whose model names are not suffixed with “-EVj” is not possible. Connect CPU units without the suffix “-EVj” to an NT620S/NT620C by using a host link unit. 2-5-2 Connecting the NT620S/620C Refer to the illustrations below to select the appropriate cable for the unit connec- tors and connect the NT620S/620C to the PC.
  • Page 47 Communications This is a 25-pin RS-232C connector. Use a connector cable with a 25-pin con- port 1 (RS-232C) nector on one end and a 9-pin connector on the other end (NT620S/620C side). Communications port 2 S To connect to communication port 2...
  • Page 48 Unit” (page 315 of the appendix). 2-5-3 PC Switch Settings When the NT620S/620C and PC are connected to each other, set the conditions at the PC host link unit or the CPU as given in the table below. The following is a general description of switch settings.
  • Page 49 Connection to a PC by the Host Link Section Connecting to a Host Link Unit Two types of host link units are available: a rack-mounting type and a CPU- mounted type. The switch settings differ according to the type of host link unit. Set the switches according to the unit type.
  • Page 50 Connection to a PC by the Host Link Section [Setting the rear switches] S I/O port selection (selector switch) Set this to “RS-232C”. S Unit # (DIP SW1) I/O port RS-422A Set SW1-1 to SW1-5 to “OFF” (“0”). RS-232C Synchronization Internal External S Synchronization (selector switch)
  • Page 51 Connection to a PC by the Host Link Section S CPU-mounted type: C120-LK201-V1 [Setting the rear switches] S Unit #, parity, and transfer code (DIP SW1-1 to SW1-5) Set SW1-1 to SW1-5 to “OFF” (“0”). * Parity is fixed at Even Parity. Transfer code is fixed at ASCII 7 data bits and 2 stop bits.
  • Page 52 Connection to a PC by the Host Link Section S CVM1/CV series backplate mounted type: CV500-LK201 [Setting the front switches] Set the operating conditions with the PC System Setting functions when a CVM1/CV series host link unit is connected to the NT620SLSS/620C. The PC system settings can be made directly from the peripheral tool ( etc.) or the PC system setting information created with a peripheral tool can be transferred to the CPU.
  • Page 53 S C-series CjjH, CVM1/CV-series (-EV1) Set the operating conditions with the PC System Setting functions when a CjjH, CVM1/CV-series host link unit is connected to the NT620S/620C. The PC system settings can be made directly from the peripheral tool (LSS etc.) or the PC system setting information created with a peripheral tool can be trans- ferred to the CPU.
  • Page 54 Unit #00 S C-series C200HS, C200HX/HG/HE, CPM1, CQM1 When connecting an NT620S/NT620C and a C200HS, C200HX/HG/HE, CPM1, or CQM1 CPU unit, set the communication conditions in the PC system setting area. Write the settings directly from the peripheral tool (e.g. SYSMAC support tool) to the PC system setting area (data memory).
  • Page 55 Connection to a PC by the Host Link Section [PC system setting area settings] Write settings to the PC system setting area (data memory) according to the port used to connect to the NT620S/620C. S When using the RS-232C port of a C200HX/HG/HE Channel # Writing Value...
  • Page 56: Connection To A Pc By The Nt Link (1:1)

    Connection to a PC by the NT Link (1:1) Section Connection to a PC by the NT Link (1:1) Connect the NT620S/NT620C to an OMRON PC in a 1:1 connection by the NT link method. To do this, the following settings must be made: NT620S/NT620C “Comm.
  • Page 57 A host link connector cable can also be used. To make a connector cable, refer to Appendix G “Method for Making the Cable for Connection to the PC” (page 301). Caution Before inserting or removing the connectors, make sure that the NT620S/620C and the PC are turned OFF. RS-232C Cable Use a connector cable with a 9-pin connector on both ends to connect the NT620S/620C to a PC with a 9-pin connector.
  • Page 58 PC system settings. [PC system setting area settings] (C200HX/HG/HE, CPM1, CQM1) In accordance with the CPU unit and port used for connection to the NT620S/ NT620C, write the appropriate numerical value to the PC system setting area (data memory).
  • Page 59 Connection to a PC by the NT Link (1:1) Section S CVM1/CV-series (-EVj) When connecting to a CVM1/CV-series (-EVj) CPU, set the switches as given below. I/O port selector switch RS-232C I/O port selection (selector switch) Set this to “RS-232C”. NT link (1:1) cannot be used with RS-422A.
  • Page 60 Connection to a PC by the NT Link (1:1) Section S RS-232C/RS-422 converter unit (NT-AL001) When an NT620S/NT620C is connected in an RS-422A type 1:1 connection, set the DIP switches of the RS-232C/RS-422A converter unit (NT-AL001) used as a relay as follows.
  • Page 61: Connection To A Pc By The Nt Link (1:N)

    When making a connection, check the series and model of the PC to which the connection is being made, and the type of CPU unit that is installed. The follow- ing is a list of the PCs that can be connected to the NT620S/NT620C via an NT link (1:N).
  • Page 62 Connection to a PC by the NT Link (1:N) Section Connection Diagram As shown in the figure below, connect multiple NT620S/NT620C units to one PC via RS-232C/RS-422 converter units. In an NT link (1:N), up to eight NT620S/ NT620C units can be connected to one PC port.
  • Page 63 Connection to a PC by the NT Link (1:N) Section Converter Unit Connector Specifications The terminal block specifications of the RS-232C/RS-422 converter unit are indi- cated here. For details on the method for making the connection cable, refer to “Making the Cable” (page 310 of the appendix). NT-AL001 RS-422A terminal block specifications S Connected terminal block RS-422A terminal block (M3 screws) S Electrical characteristics...
  • Page 64 Section Wiring Method and Settings Relating to Wiring The wiring method for the connections between the PC and NT620S/NT620C units, and the settings of each piece of equipment related to wiring, are described here. The wiring method and settings to be made depend on the type of cable (RS-422A or RS-485), as shown below.
  • Page 65 Do not set terminal resistors at any other position. - When equipment has functional ground terminals, always connect the shielding of the RS-485 cable to these terminals. - Always use an RS-232C/RS-422A converter unit (NT-AL001) to make a con- nection between an NT620S/NT620C and an RS-485 cable.
  • Page 66 AL001 No terminal Terminal resistor AL001 resistor set AL001 RS-232C RS-232C cable cable NT620S/ NT620S/ NT620C NT620C [When the PC connection is RS-485] Terminal resistance set Same settings for same equipment (RS-485) RS-485 cable RS-485 cable RS-485 cable...
  • Page 67: Communication With The Host Using Memory Link

    Communication with the Host Using Memory Link Section 2-7-3 PC Switch Settings When the PC and NT620S/NT620C units have been connected, set the switches at the CPU module at the PC side in order to enable communication using the NT link method.
  • Page 68: Connecting A Printer

    Hard copies of screens can be printed (printing of screen images) onto a printer connected to the NT620S/620C. In order to make a hard copy at a printer connected to the NT620S/620C, it is necessary either to create a screen print key as a touch switch on the screen to be printed during screen creation, or to issue a print instruction from the PC.
  • Page 69 If using other printer, such printer should conform to ESC/P 24-J81, which is the printer control standard of Epson. If using an HP printer, make sure that it conforms to the “PCL5” standard. When using a monochrome printer with an NT620S/620C, set “ESC/P TONE” with the NT620S/620C memory switches (see page 89).
  • Page 70: System Menu Operation

    Starting the NT620S/620C ........
  • Page 71: Operation Flow By The System Menu

    Be sure to install the system program in advance. Create the Screen Data Create the screen data to be displayed on the NT620S/620C by using a support tool. For the screen data creation, refer to the “NT-series Support Tool Operation Manual”...
  • Page 72: Operation Modes And The System Menu

    For the installation method, refer to 2-4 “Installing the System Program” (page 30). If the NT620S/620C has failed to start up normally; an error message is dis- played or no screen is displayed, memory needs to be initialized.
  • Page 73 Operation Modes and the System Menu Section 3-3-2 Menu Tree The System Menu allows to effect various NT620S/620C functions by using the touch switches. The NT620S/620C’s functions with respect to the System Menu are related as shown below. For the operations with the System Menu, refer to the “Operations with the Sys- tem Menu”...
  • Page 74 Menu in the four corners (measuring 6.0 mm horizontally by 7.5 mm vertically in the case of the NT620S and 6.0 mm square in the case of the NT620C). Press any two of these switches at the same time to call the System Menu screen.
  • Page 75 For future expansion. Currently not used. Switching from the System Menu to the RUN Mode The NT620S/620C will exit the System Menu and switch to the RUN mode in the cases mentioned below. S Selecting “Quit” in the System Menu.
  • Page 76: Initializing Memory

    Section Initializing Memory If the NT620S/620C is used for the first time or if the screen data is ruined and the NT620S/620C cannot be normally started, the memory needs to be initialized. The memory initialization is required in the cases mentioned below.
  • Page 77 After the screen data memory has been initialized, if an attempt is made to set the NT620S/620C to the RUN mode before screen data has been transferred from the support tool, the error message “No direct information is set!!” will be dis-...
  • Page 78 Be sure to turn the power OFF before setting the NT620S/620C DIP switch. Set the DIP switch as follows to initialize the screen data memory. Operation 1. Set DIP SW2-1 on the NT620S/620C to ON and turn the power ON. Select “Yes”. The screen data memory is initialized.
  • Page 79 Reference If “Ineffective” is set for the “Resume Function” memory switch, the memory tables can be initialized just by switching the NT620S/NT620C power off and back on again, or by resetting it. Using the System Menu, initialize the memory tables by following the procedure given below.
  • Page 80 Initialize Memory Table? The memory table is initial- ized. - If “No” is selected instead of “Yes”, the NT620S/620C returns to the “INI- TIALIZE MEMORY MENU” without initializing the memory. Upon completion of memory table initialization, the NT620S/NT620C returns to the “INITIALIZE MEMORY MENU”.
  • Page 81 Initialize History? The display history data memory is initialized. - If “No” is selected instead of “Yes”, the NT620S/620C returns to the “INI- TIALIZE MEMORY MENU” without initializing the memory. Upon completion of display history data initialization, the NT620S/620C returns...
  • Page 82: Setting The Conditions Of Communications With The Pc By Using The Memory Switches

    Setting the Conditions of Communications with the PC by Using the Memory Switches The NT620S/620C can be connected to a PC by the host link, NT link (1:1), NT link (1:N) or memory link. The link can be selected by setting the memory switch.
  • Page 83 Alarm History Display (page 181) 3-5-1 Selecting the Host Communication Method The NT620S/620C can be connected to a PC by the host link, NT link (1:1), NT link (1:N) or memory link. Either link can be selected by setting the “Comm. Meth- od”...
  • Page 84 Setting the Conditions of Communications with the PC by Using the Memory Switches Section Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “Memory Switch”. MAINTENANCE MENU Quit Display History I/O Check PT Settings Init. Memory Memory Switch [For host link/NT link] MEMORY SWITCH MENU...
  • Page 85 Setting the Conditions of Communications with the PC by Using the Memory Switches Section [For memory link] MEMORY SWITCH MENU This screen is only dis- Quit Host Link Spee 2400bps played when the system Key Press Sound ON Data Bit Length 8 bits program dedicated to the 1 bit Stop Bit Length...
  • Page 86 Setting the Conditions of Communications with the PC by Using the Memory Switches Section 3-5-2 Selecting the Host Link Communication Speed (Host Link Only) When the host link is used, the baud rate of the communications with the PC can be set.
  • Page 87 Section 3-5-3 Setting Unit Numbers (NT Link 1:N Only) When using the NT620S/NT620C with the NT link (1:N) communication method, set unit numbers. When using NT link (1:N), unit numbers are used to identify each of the multiple PTs connected to a single PC port. Set a different unit num- ber for each of the PTs connected to the port.
  • Page 88 3-5-4 Setting the Communication Conditions for Memory Link When connecting the NT620S/NT620C to the host by the memory link method, set the communication conditions with the memory switches. In order to use the memory link method, the dedicated system program must be installed.
  • Page 89 Setting the Conditions of Communications with the PC by Using the Memory Switches Section Set the memory link communication conditions by following the menu operation from the System Menu described below. Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Select “Memory Switches”.
  • Page 90: Registering The Screen Data

    NT620S/620C unit corresponds to the files created by using the support tool. Select a file which contains the screen data to be transmitted when selecting the screen data to be transmitted to the NT620S/620C so that the required screen data can be transmitted to the NT620S/620C.
  • Page 91 Registering the Screen Data Section Operation 1. Connect the NT620S/620C to the computer on which the support tool is be- ing used, and turn ON the NT620S/620C. 2. Turn ON the computer and start up the support tool. 3. Enter the “Transmit Mode” by operating the menu of the NT620S/620C as mentioned below.
  • Page 92 S The cable connecting the NT620S/620C to the computer on which the support tool is running is disconnected or has a broken wire. S The “No” touch switch on the NT620S/620C screen is pressed to end the trans- mission during screen data transfer.
  • Page 93: Starting The Operation

    Press the Quit touch switch in the System Menu. The start-up screen in the RUN mode will be displayed. If the NT620S/620C has failed to start correctly; e.g., the start-up screen is not displayed, an error message is displayed, or the screen is not displayed at all, refer to Section 7-2 “Responding to Displayed Error Messages”...
  • Page 94: Various System Settings

    NT620S/NT620C on screen data registration. For details, refer to the NT-series Support Tool Operation Manual (V028-E1-j). Since the memory switch data are backed up by the battery in the NT620S/ NT620C, they are not cleared when the power is switched OFF.
  • Page 95 Various System Settings Section Set the key press sound by the menu operation from the System Menu as shown below. Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “Memory Switch”. MAINTENANCE MENU Quit Display History I/O Check PT Settings Init.
  • Page 96 To set the buzzer to sound in other cases, the fol- lowing two procedures can be used. S Controlled by the host It is possible to control the NT620S/620C from the host to sound the buzzer during the operation. Refer to Section 5-7 “NT620S/620C Status Control” (page 234).
  • Page 97 Various System Settings Section Set the buzzer sound by the menu operation from the System Menu as shown below. Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “Memory Switch”. MAINTENANCE MENU Quit Display History I/O Check PT Settings Init.
  • Page 98 3-8-3 Screen Saver Function (NT620S) / Backlight OFF Function (NT620C) The NT620S/NT620C has a function that turns off the screen display if no opera- tion is performed for a certain period of time to maximize the service life of the backlight and prevent the formation of an afterimage on the screen (in the case of the NT620C, the backlight is also switched off at the same time).
  • Page 99 MAINTENANCE MENU The “screen OFF/backlight OFF” switch is for the Quit screen saver function in the Display History case of the NT620S I/O Check memory switches and for PT Settings the backlight OFF function in the case of the NT620C Init.
  • Page 100 “Initializing Memory” (page 63). Note If the voltage of the battery in the NT620S/NT620C gets too low, the contents of the memory tables cannot be saved even if the resume function is effective. Use the memory switches to set whether or not the resume function is used.
  • Page 101 “MAINTENANCE MENU”. S OFF: The resume function will be disabled and the memory table will be initialized when the power to the NT620S/620C is turned on or reset or when the mode is switched to the “RUN” mode.
  • Page 102 Section 3-8-5 Screen Printing Function The NT620S/620C can print a hard copy of the displayed screens onto a printer connected to the NT620S/620C. This function is called the screen printing func- tion. The NT620S/620C will continue operating even when such a hard copy is being printed.
  • Page 103 Comm. Method Host Link Quit cable cycle of options be- low is selected: Key Press Sound Host Link Speed 9600bps Buzzer Sound For the NT620S: “PR201H TONE” Screen Saver None “ESC/P TONE” Resume Function ON “PCL5 TONE” For the NT620C:...
  • Page 104 Various System Settings Section [ NT620S ] S ESC/P TONE: Specify this for a printer, such as the EPSON ESC/P Printer (24-pin), that conforms to the printer control standard ESC/P. S PR201H TONE: A printer that emulates NEC’s PC-PR201H can be used.
  • Page 105: System Maintenance

    System Maintenance Section System Maintenance The NT620S/620C has self-maintenance functions, such as display history re- cording, I/O check and PT setting display. These functions are accessible mainly from the Maintenance Mode. 3-9-1 Using the Display History Recording Function The display history recording function is used to record the display sequence and frequency of screens during operation.
  • Page 106 1 ) Emergency Error For both order of occurrence and order of frequency, the number of entries that can be displayed on one screen is 23 in the case of the NT620S and 27 in the case of the NT620C.
  • Page 107 System Maintenance Section Confirm the display history by using the menu operation from the System Menu as shown below. Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “Display History”. MAINTENANCE MENU Quit Display History I/O Check PT Settings Init.
  • Page 108 System Maintenance Section S Confirming recorded screen data during operation Screens No. 1997 and No. 1998 are for displaying recorded screen data. Either screen will be displayed according to the data display order selected. Screen No. 1997: In order of occurrence Screen No.
  • Page 109 System Maintenance Section 3-9-2 I/O Check The I/O operations for the following items of the NT620S/620C are checked by the I/O check function. - Touch Switch - Communication I/F - LCD/EL - Buzzer - LED - Battery - DIP-Switch - Screen Memory - Printer I/F - Calender &...
  • Page 110 System Maintenance Section Checking the Touch Switches Execute a touch switch check by the menu operation from the System Menu as shown below. Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “I/O Check”. MAINTENANCE MENU Quit Display History I/O Check...
  • Page 111 Execute a NT620S/620C-to-support tool communication check by the menu op- eration from the System Menu as shown below. The NT620S/620C uses one connector for connection to both the support tool and the PC. If it is connected to other equipment, remove the connecting cable from the connector and connect the cable to the connector for the support tool.
  • Page 112 System Maintenance Section Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “I/O Check”. MAINTENANCE MENU Quit Display History I/O Check PT Settings Init. Memory Memory Switch Select “Comm. I/F”. I/O CHECK MENU Quit Battery Touch Switch DIP Switch Comm.
  • Page 113 Checking the LCD/EL display Check the NT620S/620C LCD/EL display by using the menu operation from the System Menu as shown below (in the case of the NT620S, “EL Display” is dis- played and in the case of the NT620C, “LCD Display” is displayed).
  • Page 114 PT Settings Init. Memory Memory Switch Select “LCD Display” or I/O CHECK MENU “EL Display”. (The example to the left Quit Battery shows the NT620S Touch Switch DIP Switch screen.) Comm. I/F Screen Memory EL Display Printer I/F Buzzer Calendar & Clock S Dots (the points that make up the screen) are displayed one by one starting at the top left of the screen.
  • Page 115 System Maintenance Section Checking the Buzzer Check the NT620S/620C buzzer by using the menu operation from the System Menu as shown below. Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “I/O Check”. MAINTENANCE MENU...
  • Page 116 Printer I/F Buzzer Calendar & Clock The “RUN” LED on the front face of the NT620S/620C will flash alternately green and red. The “POWER” LED will remain lit. S To quit the LED check, press the “LED” touch switch again.
  • Page 117 System Maintenance Section Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “I/O Check”. MAINTENANCE MENU Quit Display History I/O Check PT Settings Init. Memory Memory Switch Select “Battery”. I/O CHECK MENU Quit Battery Touch Switch DIP Switch Comm.
  • Page 118 S After checking the screen message, press the “End” touch switch. The “I/O CHECK MENU” will be redisplayed. Checking the NT620S DIP Switch Settings Display the NT620S/620C DIP switch settings by using the menu operation from the System Menu as shown below. Select “Maintenance Mode”.
  • Page 119 S After checking the DIP switch statuses, press the “End” touch switch. Note Always switch off the power to the NT620S/NT620C before changing DIP switch settings. Checking the Screen Memory Check the screen memory by using the menu operation from the System Menu shown below.
  • Page 120 S If the message “Memory Trouble” is displayed, it indicates that the life of the screen data memory has expired or that there may be a hardware fault. Initial- ize the screen data memory and perform the test again. If the same error mes- sage is displayed again, contact your OMRON service center.
  • Page 121 System Maintenance Section Checking the Printer Interface Check communication with the printer by using the menu operation from the Sys- tem Menu shown below. Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “I/O Check”. MAINTENANCE MENU Quit Display History...
  • Page 122 System Maintenance Section Press “Exec”. PRINTER I/F CHECK “Printer Interface Please connect to printer and Check” will be printed out at the connected execute. printer. Exec S On completion of the check, the message “Finish Check” will be displayed. S On confirming the result, press the “End” touch switch. The “I/O CHECK MENU”...
  • Page 123 (page 229). Checking the backlight (NT620C) Check the NT620C backlight by following the menu operation from the System Menu described below. Note that the NT620S, which has an EL display, has no backlight check function. Select “Maintenance Mode”. Select “I/O Check”.
  • Page 124 System Maintenance Section 3-9-3 Checking the PT Setting Status Display the NT620S/620C settings by using the menu operation from the System Menu as shown below. Select “Maintenance Mode”. SYSTEM MENU V0.0 Quit Transmit Mode Maintenance Mode Expansion Mode Select “PT Settings”.
  • Page 125: Nt620S/620C Functions

    NT620S/620C Screen ........
  • Page 126: Creating And Transmitting Screen Data

    For the details of the support tool and screen data creation, refer to the “NT-se- ries Support Tool Operation Manual” (V028-E1-j). 4-1-1 Setting the Support Tool for Use with the NT620S/620C To create the screen data for the NT620S/620C, make settings with the support tool for use with the NT620S/620C. Select “Tool Settings”.
  • Page 127 - Direct Access : Ver.4 Note Since the NT620S and NT620C are, from the standpoint of functions, almost identical to the NT612G and NT610C, they do not have their own “NT Model” setting. Make the following settings for these two models: NT620S : “610G”...
  • Page 128 Refer to “Setting the support tool for use with the NT620S/620C” on the previous page. Select “Edit Screen”. Select a file used for storing the screen data for the NT620S/620C in the “File List” screen. To create a new file, select “NEW FILE”.
  • Page 129 “Direct Connection Data Setting” window in which the head words in the PC used to allocate the following areas. • PT status control area: Section 5-7 “NT620S/620C Status Control” (page 234) • PT status notify area: Section 5-8 “Notification of the Operating Status to the PC”...
  • Page 130 Creating and Transmitting Screen Data Section • Lamp: Specify allocated bits..Section 4-6 “Lamps” (page 148) • Touch switch: Specify allocated bits for control and notification..Section 4-7 “Touch Switches” (page 151) • Graph Specify the type of graph, numeral memory table number, and display method..
  • Page 131 Transmitting Screen Data to the NT620S/620C Transmit the screen data created by using the support tool to the NT620S/620C screen data memory. Connect the NT620S/620C to the support tool and set the NT620S/620C to Transmit Mode.
  • Page 132: Outline Of Functions

    Outline of Functions Section Outline of Functions 4-2-1 NT620S/620C Screen This section gives the outline of the screen which is the basis of all NT620S/620C functions. For specific operation procedure such as screen switching, refer to Section 4-3 “Screen Display” (page 129).
  • Page 133 Specify a color as an attribute for each display element when creating a screen on the support tool. The NT620S is not capable of color display. Available Colors The following eight colors can be selected: Red, green, blue, yellow, magenta, cyan, white, black The four color combinations below are exclusive ORed.
  • Page 134 Outline of Functions Section Transparent Display When two display elements overlap with each other, the background color of the overlying element conceals the underlaid display element. Besides the above eight colors, the color of “transparency” is available for the background of some display elements. When “transparency”...
  • Page 135 The character and figure attributes can be set in the edit screen when creating the screen data by using the support tool. Types and Attributes of Characters On the NT620S/620C, the following types of character can be entered and dis- played. Maximum Number of...
  • Page 136 • Image data Image data is a set of images of which sizes can be designated in units of 8 dots in a square area. NT620S : Min. 8 8 dots to Max. 640 400 dots (entire screen) NT620C : Min. 8 8 dots to Max.
  • Page 137 Outline of Functions Section Basically, library data can be displayed in any position on the screen. But, in a position where the entire library data cannot be displayed, it automatically moves to another position. Use care in setting a display position. Reference Difference between image data and library data While image data can take any form as shown in the screen example, only...
  • Page 138 Outline of Functions Section Graphic Types and Their Attributes On the NT620S/620C, the following types of graphic can be entered and dis- played: Polylines Square Polygon * A polyline with up to 255 middle points * A polygon with up to 255 can be drawn.
  • Page 139 Outline of Functions Section The color of the boundary line surrounding the area to be filled is the outline color. Background color Tiling pattern display color Tiling pattern background color When “transparent” is selected, the screen background color ap- pears to be transparent. Part of the graphic frame may be invisible because of the combination of the display (in filling), background and outline colors.
  • Page 140 4-2-4 Communication with the PC Communication Using Host Link/NT Link The NT620S/NT620C can communicate with a PC by using the host link/NT link. Using the host link/NT link, bits and words can be allocated to any area in the PC memory and data can be written to and read from these bits and words directly.
  • Page 141: Screen Display

    The details of each screen type are given below. Normal Screen A normal screen is the basic screen of the NT620S/620C. It is not necessary to select a screen type (overlapping or continuous) when to create the screen data on a normal screen.
  • Page 142 Only one numeral setting screen or character-string setting screen (screens which allow numeral and character-string input on the NT620S/NT620C screen) can be registered as a child screen. For details on numeral settings, see Section 4-8 “Numeral Setting” (page 157), and for details on character-string settings, see Section 4-9 “Character-String Setting”...
  • Page 143 The following several attributes can be set with one screen. • Buzzer attribute This attribute will become effective to sound the buzzer in the NT620S/620C when the screen to which this attribute has been set is displayed. The buzzer sound can be set as follows: Buzzer does not sound when the screen is displayed.
  • Page 144 Screen Display Section To stop the buzzer by using the screen operation, create a control key as a touch switch. • History attribute When a screen for which this attribute is set is displayed, the screen number of the displayed screen, the day minute and second of display, the number of dis- play events, and a message, is recorded as display history record data.
  • Page 145: Memory Tables

    When the NT620S/620C is operated, the screen displays the contents of the character-string memory table. For the actual method used to modify a currently displayed character-string, see “Changing Displayed Numerals or Character-Strings (Changing the Contents of...
  • Page 146 The character attributes can be set in the edit screen when creating the screen data by using the support tool. The following types of characters can be displayed on the NT620S/620C: Maximum Number of Dots Characters Displayed in One...
  • Page 147 When the NT620S/620C is operated, the screen displays the contents of the nu- meral memory table. For the actual method used to modify a currently displayed numerical value, see “Changing Displayed Numerals or Character-Strings...
  • Page 148 4-4-3 Bit Memory Table The Bit Memory Table is an internal memory for contact data. The NT620S/620C can use a maximum of 256 Bit Memory Tables. One contact status on the PC can be stored in a single Bit Memory Table.
  • Page 149 Memory Tables Section order of priority can be given to the message to be displayed. For details, refer to the “4-11 Alarm List & History Display Functions” (page 178). NO. 13 Contact Character-String Table No. 50 Image Library FE52 Character-String Table NO.
  • Page 150: Graphs

    Use caution not to write hexadecimal numbers except the minus sign “F” to the reference numeral table. Bar Graph Attributes The following attributes can be set with the NT620S/620C for the bar graph dis- play: Use the support tool to make settings for the bar graph display when creating the...
  • Page 151 Graphs Section • Graph frame This attribute specifies a rectangular area used to display a graph. • Orientation and incremental direction The orientation and incremental direction of the bar graph can be selected from those mentioned below. ↑ (up): The bar graph increments upward in the vertical orientation. ↓...
  • Page 152 Graphs Section [To display a value below 0%: Sign display “Yes”] The bar graph is displayed in the range of –100% to 100%. The middle of the bar graph indicates 0%. % display –60% –100% 100% [Not to display a value below 0%: Sign display “No”] The bar graph is displayed in the range of 0% to 100%.
  • Page 153 The letter “F” may be used to indicate neg- ative values, but make sure that no hexadecimal values are written. Trend Graph Attributes When using an NT620S/NT620C, the following attributes can be used when dis- playing trend graphs. • Graph frame This attribute specifies a rectangular area used to display a graph.
  • Page 154 : Latest data : Latest data : Latest data At first the At the second time and NT620S/620C draws thereafter, the NT620S/ a graph from 0 to the 620C draws a graph from latest data. the last data to the latest data.
  • Page 155 Graphs Section The trend graph is displayed in the range of –100% to 100%. In this case, 0% position of a graph falls the center of a graph display area. 100% the latest data: –50% 100% the latest data: 80% –100% [Not to display a value below 0%: Sign display “No”] The trend graph is displayed in the range of 0% to 100%.
  • Page 156 Graphs Section • % representation The same is also true as the bar graph. Refer to page 139. • Differences when a trend graph is displayed using percentage values When % value is in the following range, the graph displaying method is re- stricted as follows: (1) In case of negative % value A graph is displayed differently depending on the sign representation.
  • Page 157 The letter “F” may be used to indicate negative values, but make sure that no hexadecimal values are written. Broken Line Graph Attributes When using an NT620S/NT620C, the following attributes can be used when dis- playing broken line graphs. • Graph frame This attribute specifies a rectangular area used to display a graph.
  • Page 158 Graphs Section • Direction This attribute can select the direction of putting the referring Memory Table val- ues in order. Rightward Upward Leftward Downward Large number 100% 100% 100% 100% Small number 100% position is determined in accordance with the direction of putting the re- ferring Numeral Memory Table values in order.
  • Page 159 Graphs Section “% representation” cannot be performed for the polygon. • Graph line type This attribute specifies a graph line type among those as shown below. A graph width is fixed at one dot. Line color can be selected out of eight colors. Solid line Broken line 1-dot chain line...
  • Page 160: Lamp

    LAMP Section (3) When an absolute value of % is equal to or greater than 1000% A value is not displayed in a graph in the same way as (2). Reference - If a graph is duplicated by drawing multiple graph lines of the same % value, it is overwritten and displayed in the order of setting.
  • Page 161 Be careful when creating a control program. Example 1: When the normal LAMP is turned on after updating the Memory Table LAMP OFF LAMP OFF LAMP ON OMRON Memory Table LAMP ON update The characters are displayed in LAMP...
  • Page 162 LAMP Section Example 2: When the Memory Table is updated while normal LAMP is ON LAMP OFF LAMP ON LAMP ON OMRON OMRON Memory Table LAMP ON update The characters The Memory Table are displayed in display area in the...
  • Page 163: Touch Switches

    Positions to be displayed during ON and OFF are specified. Touch Switches The NT620S/620C has a function whereby input operations can be performed by using touch panels displayed on the screen. NT620S/620C screens can be switched, or bit information sent to the PC, by pressing (lightly touching) the “touch switches”...
  • Page 164 4-7-1 Functions of Touch Switches Touch switches are created using rectangular elements. A touch switch can comprise more than one touch switch element. Up to 256 touch switches can be registered on one screen. NT620S: 32 horizontally 16 vertically NT620C: 32 horizontally 24 vertically...
  • Page 165 Touch Switches Section Touch Switch Attributes The following attributes can be set for the Touch Switches. • Display frame A display frame of the Touch Switch can be specified by the following two meth- ods. - Fixed-shape display frame This is a frame displaying an area of display frame type that acts as Touch Switch.
  • Page 166 Labels can be assigned to touch switches. When the touch switch is ON, the label is displayed in reverse video in the case of an NT620S and in the exclu- sive XOR color (see page 121) in the case of the NT620C. Attributes of guide display characters are in the same way as character display.
  • Page 167 Touch Switches Section [Screen number in the range 0 set] “Screen number 0” is set to the touch switch 1. Menu Screen Previous screen Screen switchover S Instructed by the PC Operation 1 S Screen switchover key Operation 2 Menu Screen Operation 1 When the touch switch 1 is pressed...
  • Page 168 Touch Switches Section HOME Used to move to the input field at the top left of the screen ↑, ↓, ←, → Used to move to the next input field Confirms character input without shifting to another input field Stops the buzzer Screen switching of continuous screens, shifting to input fields MENU System menu display...
  • Page 169: Numeral Setting

    Two kinds of keys can be set: START key that starts the printing operation and CANCEL key that cancels the printing operation. Even when the screen hard copy is being carried out, the NT620S/620C contin- ues operation. Screen hard copy START key When this key is pressed, screen hard copy is started.
  • Page 170 (2) The numeral value entered is displayed in the numeral setting area in a screen. (3) When the numeral value entered is confirmed, it is written into the numeral memory table and simultaneously sent to the PC. Numeral setting input field NT620S/620C Display Writing Notifying 1234...
  • Page 171 To use the ten-key type, it is necessary to create not only the numeral setting in- put column in a screen but also the ten-key for input operation (Refer to page 160). Displayed in the numeral setting input column NT620S/620C Writing Notifying 1234 1234...
  • Page 172 Therefore, the thumb wheel type can perform an entry of numeral value only by creating the numeral setting input column in a screen. Each time the “–” key is touched, a numeral value decreases by NT620S/620C “1”. Writing Notifying – – – –...
  • Page 173 Numeral Setting Section Reference Even when the “Numeral Setting” of the screen attribute is “User”, the same ten- key as the “System” attribute can be displayed. When the “User Ten-Key” of the “Input Setting” is specified to create data for the “Numeral Setting”...
  • Page 174 Numeral Setting Section Allocation of Ten-key Ten-key can be allocated to the touch switches. Specify the numeric keys to be allocated to touch switches when creating the touch switches. For numeral settings, the following numeric keys (system keys) can be used. For creation of the touch switch, refer to the 4-7 “Touch Switches”...
  • Page 175 Numeral Setting Section • Specifying the column using the system key When the system keys of the touch panel, a cursor can be moved in the order that the numeral setting input column is created by the support tool. For example, when three numeral setting input columns are created, a cursor can be moved in due order as follows: key: First ! Second ! Third ! First key: First ! Third ! Second ! First...
  • Page 176 The display is cleared by “0”, but the sign is not reversed (when entering a decimal number or displaying a sign). - Decimal point (.) key The display is cleared by “0”. The NT620S/620C starts entering the decimal fraction (when entering a decimal number or displaying a decimal fraction). • Checking the upper/lower limits The upper/lower limits are checked when pressing the RETURN key after an input operation is completed.
  • Page 177 Using touch switches set as copy keys (see page 156) allows you to input the value or code (constant) in a numeral memory table into a numeral setting input field in a one-touch operation. NT620S/620C Numeral Memory Numeral setting input...
  • Page 178 Numeral Setting Section 4-8-5 How to Use a Thumb Wheel Type For numeral setting of thumb wheel type, a numeric value is entered by directly touching the increment/decrement (+, –) keys. Keys such as ten-key are not re- quired. Entering the Numeric Values The numeric values are entered using the increment/decrement (+, –) keys pro- vided at each digit.
  • Page 179 (+, –) keys. Display size is se- lected out of three size: minimum unit of touch switch (NT620S: 20 dots by 25 dots, NT620C: 20 dots by 20 dots ), 1 x 1 (small), 2 x 2 (medium), 3 x 3 (large).
  • Page 180: Character-String Setting

    For details, refer to the “Numerals which can be Displayed” (page 135). Character-String Setting NT620S/620C has a function of character-string setting to enter a character- string on a screen. The character-string setting allows a character-string to directly be entered from the touch switch into the character-string memory table, displayed in the screen, and also sent to the PC.
  • Page 181 (1) The touch switches (character key) are previously set by the support tool. (2) When the character key (“NT620S” in an example in the figure) is pressed, a guide character of the character key (“NT620S” in the example in the figure) is entered in the character-string setting input column.
  • Page 182 ST141B Character keys - Finally, when the Enter ( ) key is pressed, the “NT620S-ST211” being dis- played in the input column of the character-string setting is confirmed and written into the character-string memory table and simultaneously notified to the PC.
  • Page 183: 4-10 Pop-Up Window Function

    Section 4-10 4-10 Pop-up Window Function The NT620S/NT620C features the pop-up window function, which is used to dis- play windows overlaying the currently displayed screen (base screen). These windows can be opened whenever required by pressing touch switches. The pop-up window function can only be used with Ver.3 and later versions of the direct connection function.
  • Page 184 Pop-up Window Function Section 4-10 4-10-1 Functions of Pop-Up Windows The functions of pop-up windows are described below. What is a Window? A “window” is a screen that can be displayed overlaying a currently displayed screen (the base screen). Its size and display position can be changed without restriction.
  • Page 185 The following elements can be displayed in NT620S/NT620C windows. If ele- ments other than these are registered on a window screen, they will not be dis- played when the window opens.
  • Page 186 Pop-up Window Function Section 4-10 4-10-2 Opening and Closing Windows Windows are opened and closed by using input keys: either the window keys or cursor moving keys. Opening and Closing Windows with the Window Keys Window keys can be used in the following way to open and close windows (note that window keys can be created either on the base screen or in a window).
  • Page 187 Pop-up Window Function Section 4-10 specified input field). If the specified window is already open, the cursor moves to the relevant input field but nothing else happens. Numeral/character-string Numeral/character-string setting input field setting input field 1 2 3 4 5 6 1 2 3 4 5 6 Touch switch for which cursor moving and window opening...
  • Page 188 Pop-up Window Function Section 4-10 How to Input Data Into Temporary Input Fields Temporary input fields are used in the following way. (1) Specify the numeral/character-string input field used for actual input with a numeric key, system key, or touch switch (cursor moving key). The actual method used for specification is the same as that for numeral set- ting.
  • Page 189 Pop-up Window Function Section 4-10 Operation Example Temporary input operation example <Base screen> <Window> 5 input settings Temporary input field 8 integer digits, no Integer digits: 8; Decimal fraction digits: 0; 00000001 sign display (8 digits Sign display: No; Zero suppress: No can be displayed) Integer digits: 8;...
  • Page 190: 4-11 Alarm List & History Display Functions

    4-11 4-11 Alarm List & History Display Functions The NT620S/620C can monitor the state of PC contacts of the host and display the corresponding message (using the character-string memory table) or image library (alarm list display) when particular contact becomes “1” (ON).
  • Page 191 Alarm List & History Display Functions Section 4-11 Example: Message (character-string No. 32) set to bit memory table number 14 NO. 13 Contact Character-String Table No. 50 Image Library FE52 Character-String Table No. 32 A000000 NO. 14 Character-String Table No. 32 Character-String Table No.
  • Page 192 Alarm List & History Display Functions Section 4-11 Since these scrolling keys are automatically shown in reverse video when there are any messages in front or behind those keys, it is found whether or not there are any messages that are not displayed. Switching the Image Library to be Displayed The message display column also serves as a touch switch.
  • Page 193 “1” (ON). The contacts recorded in the alarm history are always monitored irrespective of the display screen of the NT620S/620C. If the number of contacts are increased excessively, the processing speed of the NT620S/620C may become slower.
  • Page 194 The alarm history can also be cleared using bit 11 of the “PT status control bits.” (Refer to page 237.) How to Make Sure of Alarm History The alarm history can be displayed by the NT620S/620C during operation by set- ting an area and displaying method when creating a screen data with the support tool.
  • Page 195 For both order of occurrence and order of frequency, the maximum number of entries that can be displayed is 16 in the case of the NT620S and 24 in the case of the NT620C. When the alarm history is set, the scrolling keys are created auto- matically.
  • Page 196 NT620S/620C Status Control ..........5-7-1 Controllable NT620S/620C Functions ....... . . 5-7-2 How to Control NT620S/620C Functions .
  • Page 197 This section explains the fundamentals when using the host link/NT link - allo- cated bits and words, and the method for control of the NT620S/620C and notifi- cation to the PC, and also describes the actual procedure used for screen switch- ing.
  • Page 198 The PT status control area (PC to PT) is provided to control the NT620S/620C status from the PC. When data is written to this area in the PC, the NT620S/620C will read the data and operates according to the data. The PT status control area is configured as four consecutive words as shown below.
  • Page 199 Section S Screen switch settings (refer to page 191) Specify the screen No. to switch the screen displayed on the NT620S/620C. S Copy memory table settings (refer to page 208) Specify the memory table No. to copy the contents of a memory table internally in the NT620S/620C.
  • Page 200 First word : DM0110 Notifying the NT620S/620C Status by Using Allocated Bits and Words ..PT Status Notify Area (PT to PC) The PT status notify area (PT to PC) is provided to notify the NT620S/620C sta- tus changes to the PC. When any NT620S/620C status has changed, such change is written to this area in the PC, and the PC will read the data from this area to check the NT620S/620C status.
  • Page 201 NT620S/NT620C. These strobes all automatically turn OFF (i.e., return to 0), after notification is made to the PC. The operations being performed at the NT620S/NT620C can easily be ascertained by checking for the rising edge of these strobes.
  • Page 202 (page 154) or the next section, “Switching the Screen Display (by Using the Allo- cated Bit of a Bit Memory Table)”. To switch the NT620S/620C screen display by controlling from the PC, write a screen number at the “screen switch setting” in the PT status control area.
  • Page 203 (PT to PC) also change. S Startup screen When the NT620S/620C starts up, it displays the screen whose screen num- ber is written in the “screen switch setting”. The startup screen set with the sup- port tool is invalid.
  • Page 204 (3) When the screen switch strobe flag turns ON, the number of the currently displayed screen is read and written to the currently displayed screen word in the PT status notify area. In this case, the NT620S/620C will not write the same screen twice.
  • Page 205 Outline of Host Link/NT Link Operation Section To switch the screen displayed on the screen of the NT620S/620C under the con- trol of the PC, the allocated bit of the bit memory table in which the screen number of the screen to be displayed is registered is set to “1” (ON).
  • Page 206 To display the number of the currently displayed screen, use the currently dis- played screen word. When the screen has switched, the NT620S/620C notifies the following to PT status notify area (PT to PC) allocated to the PC. Screen switch notification: Screen switch strobe flag of the PT status word...
  • Page 207 “screen switch strobe flag” in the PT status notify area has turned ON. The contents of the “currently displayed screen word” are updated also by switching the screen by pressing a touch switch on the NT620S/620C.
  • Page 208 DM0101. The number of the previously displayed screen is stored in word 0101. (2) The new screen number notified by the NT620S/620C is read and trans- ferred to DM0100. The number of the currently displayed screen is stored in DM0100.
  • Page 209 During operation, automatic updating is performed to ensure that the currently displayed NT620S/620C character-string memory table contents and PC word contents always match each other. There are two methods for referencing character-string memory tables used for...
  • Page 210 In addition, if a numeral memory table is correlated with a graph, the graph can be displayed in accordance with the numeric value in the numeral memory table. During operation, automatic updating is performed to ensure that the currently displayed NT620S/620C numeral memory table contents and PC word contents always match each other.
  • Page 211 S Direct specification Direct specification is a method of specification in which the contents of dis- played memory tables are directly correlated with the contents of the allocated words. NT620S/620C Allocated word Character-string (character-string memory table 18) memory table 18...
  • Page 212 Memory Tables and Graphs Section Setting the Words of the Numeral Memory Table When creating the screen data by using the support tool, make the following set- tings for each numbered numeral: S Initialization setting Set whether or not the PC words are initialized with the numeral memory table initial value registered to the screen data memory when the main power supply is turned ON or reset.
  • Page 213 Memory Tables and Graphs Section Example: 12345678 Word 15 to12 11 to 8 7 to 4 3 to 0 Bit Start Start+ 1 S Displaying the numeral memory table Numerals can be displayed in three different ways according to the contents of the numeral memory table, as mentioned below.
  • Page 214 Memory Tables and Graphs Section Two half-size characters or two normal-size character is stored in one word. One memory table can store up to 20 words (40 characters). Start Start + 1 Start + 19 Code 1 Code 2 Code 3 Code 4 Code39 Code40 [Character-string memory table display example]...
  • Page 215 Application Example of the Numeral Memory Tables Allocated to the PC Words This example gives the procedure to directly display the contents of the words allocated as the numeral memory tables in the PC memory. The NT620S/620C screen display will change as the contents of the PC word change.
  • Page 216 S Program operation (1) The contents of word DM0000 are incremented by 1 each second. The val- ue displayed on the NT620S/620C in numeral table entry No. 1 increases by 1 each second. (2) When the counter in (1) above causes an increase in the most significant digits, the contents of word DM0001 are incremented by 1 each second.
  • Page 217 Method (2) involves changing the contents of the allocated table. For details, re- fer to the sections on memory table copy (page 208) and changing displayed nu- merals or character-strings (direct specification) (page 204). NT620S/620C Indirect numeral table 41 Allocated word (numeral table 41) 0 0 3 9 ²0039...
  • Page 218 Character-string memory table number 100: NT612G (6 digits) Character-string memory table number 101: NT610C (6 digits) Character-string memory table number 102: NT620S (6 digits) Character-string memory table number 103: NT620C (6 digits) Contents to be registered for the screen: Numeral memory table number 51...
  • Page 219 Memory Tables and Graphs Section S Program operation (1) Each time contact 00100 comes ON, the display on the NT620S/620C changes to the next item in the following sequence. NT612G → NT610C → NT620S → NT620C (2) Each time contact 00101 comes ON, the display on the PT changes to the next item in the following sequence.
  • Page 220 “copy source memory table number” to the PT status control area (PC to PT). The NT620S/620C reads the area sometimes when the PC is writing the set- tings. If the “copy source memory table number” has been written first and is changed, unexpected memory table may possibly be changed.
  • Page 221 Memory Tables and Graphs Section to a PC word, if it has not been displayed even once, it may be used at initializa- tion only. S Use of the “copy type” Copy will not be executed when the “copy type” is other than “0” or “1”. The memory table copy is executed only when the contents of the area are changed.
  • Page 222 Copy source memory table No. #0011 Copy source word S Program operation (1) When an error occurs (bit 09000 turns ON), the NT620S/620C displays the message “Error”. (2) When the error is cleared (bit 09000 turns OFF), the NT620S/620C display message reverts to “Normal”.
  • Page 223 (00 to 15). 5-3-2 Turning ON (lit) and OFF (unlit) the Lamps (Changing the Contents of Allocated Bits) The following describes the procedure to change the lamp display status on the NT620S/620C by changing the contents of the allocated bits.
  • Page 224 Lamps and Touch Switches Section To change the lamp display status on the NT620S/620C, turn ON and OFF the lamp control bit allocated in the PC. NT620S/620C Lamp No. 2 Lamp No. 1 Allocated bit (Lamp No. 1) 1 (ON) Unlit Allocated bit (Lamp No.
  • Page 225 UNCLAMP DOWN S PC ladder program No PC ladder program is required to control the NT620S/620C. Only a pro- gram to control the robot arm movements is required. S Program operation When the ladder program to control the robot arm is executed, the lamps on the NT620S/620C screen turn ON and OFF in synchronization with the robot arm movement.
  • Page 226 Lamps and Touch Switches Section - Momentary When the touch switch is pressed the bit comes ON and when it is released the bit goes OFF. - Alternate When the touch switch is pressed the bit comes ON if it is OFF and goes OFF if it is ON.
  • Page 227 This section describes how to change the statuses of allocated bits and thereby the statuses of the touch switches displayed by the NT620S/620C. The statuses of touch switches displayed by the NT620S/620C are changed by switching the lamp bits allocated in the PC memory ON and OFF.
  • Page 228 This section describes how the status of a touch switch (whether it has been pressed or not) is ascertained. With the NT620S/620C, when a touch switch is pressed, the notify bit allocated to that touch switch in the PC memory is automatically notified.
  • Page 229 In the case of (3) and (4), notification has no effect on the other bits in the word. Application This example uses the touch switches as normal switches (bits) in order to use the NT620S/620C as an operating panel. S Support tool settings Make the following settings using the support tool.
  • Page 230 Lamps and Touch Switches Section Function “Notify Bit” Display attribute “Light” Lamp bit CH 05001 (Stop flag) ... Guide message: “STOP” Notify bit CH 06001 Data registered for the screen: touch switch No. 10, touch switch No. 11 Touch switch No. 10 Line 1 STOP Touch switch No.
  • Page 231 Numeral and Character-string Setting 5-4-1 Notification of Numbers to the PC This section describes how the numerical data input at an NT620S/620C is as- certained by the PC. In order to determine when numerical data has been input at the NT620S/620C, the numeral setting strobe flag in the PT status notify area is used.
  • Page 232 5-7 “NT620S/620C Status Control” (page 234). Application Example This example shows the reading of the numeral memory table number after a value has been changed by inputting numerical data at the NT620S/620C. S Support tool settings Make the following settings using the support tool.
  • Page 233 0005 and the contents of numeral memory table No. 4 are stored in DM 0006. 5-4-2 Notification of Character-string to the PC This section describes how the character-string data input at an NT620S/620C is ascertained by the PC. In order to determine when character-string data has been input at the NT620S/620C, the character-string setting strobe flag in the PT status notify area is used.
  • Page 234 Numeral and Character-string Setting Section memory table number in which the character-string data that was changed at the NT620S/620C is stored. NT620S/620C Character-string memory table 3 PT status notify area NT620S-ST211B NT620S-ST211B Currently displayed screen Content upgrade Table No. memory table...
  • Page 235 3. S Disabling character-string input Character-string input can be disabled by a PT status control area opera- tion. For details, see 5-7 “NT620S/620C Status Control” (page 234). Application Example This example shows the reading of the character-string memory table number after a value has been changed by inputting character-string data at the NT620S/620C.
  • Page 236 Alarm Lists Section S Program operation (1) When the character-string setting strobe flag (bit 11211) comes ON (1), the contents of CH0111 (the word where the content upgrade memory table is located) are transferred to DM 0106. The number of the character-string memory table that contains the upgraded data is stored in DM 0106 (in this case it is 0002 or 0003).
  • Page 237 5-5-2 Displaying Alarm Lists (by Using Bit Memory Table Allocation) This section explains the actual procedure used to display the alarm messages of the alarm list function on the screen of the NT620S/620C. In order to display an alarm message, the allocated bit of the bit memory table allocated to the PC has to be switched ON.
  • Page 238 Starting bit table number: 20 Number of reference tables: 5 S PC program A ladder program to control the NT620S/620C is not required. S NT620S/620C operation When the created alarm message screen is displayed, the following opera- tions will take place in accordance with the status of the allocated bits.
  • Page 239 Alarm Lists Section - When bit AR0000 comes ON Contents of character-string memory table corresponding to bit memory table No. 22 WATER TANK OVERHEATING ± - If bit 00407 then comes ON If an alarm list with multi- PROCESS 3 STOPPED ple lines is created, le lines is created, alarms are displayed in...
  • Page 240 As shown in the table below, numbers 247 through 253 are for display and read- ing only, and numbers 254 and 255 are for time setting. Numbers 247 through 253 store clock data which is updated by the internal clock of the NT620S/620C. This data cannot be rewritten by the PC.
  • Page 241 254 and 255 and then copying it into tables 254 and 255 by using the memory table copy function. NT620S/620C April 27, 1995 Date, hour,...
  • Page 242 Clock Function Section Procedure 1. Allocate the two memory tables that are to be the copy source for the setting to areas in the PC. Two words must be allocated for each table. 2. Next, at the PC, specify the date and time that are to be set in numeral memory tables 254 and 255 in these allocated words.
  • Page 243 265 (day of the week, year, month) into numeral memory table 255, which used for setting the clock function. The date and time set at the PC will also be set at the NT620S/620C and dis- played.
  • Page 244 Section 5-6-4 Notification of the Date and Time to the PC The date and time set at the NT620S/620C can be notified to the PC. The numer- al memory tables numbered 247 through 253 are used for display. They cannot be allocated to PC areas.
  • Page 245 In order to control the status of the NT30/30C from the PC, the “PT status control bits” in the PT status control area are used. The statuses of the NT620S/620C can be controlled from the PC by writing con- trol data to the “PT status control bits” of the PT status control area allocated in the PC memory.
  • Page 246 NT620S/620C. For example, the buzzer may sound even though the setting for continuous buzzer bit 13 is “OFF”. In this kind of case, control the NT620S/620C by using the PT status control bits. S Screen display (bit 15) The screen display bit is used to display and clear the screen to prevent “burn- in”...
  • Page 247 NT620S/620C Status Control Section touch switches, etc. When bit 14 is turned OFF (0), this registration is canceled and the normal re- sponse speed is reinstated. If priority registration is set for more than one PT, the one for which the registration was made last will have priority.
  • Page 248 Whether or not the buzzer actually sounds also depends on the setting of the “buzzer” memory switch of the NT620S/620C. For details on this setting, see “Using the buzzer” (page 83). In addition to PT status bit operations, the buzzer status can also be controlled by using screen attributes.
  • Page 249 PT status control bits have changed, to execute control again the corresponding bits must be specified again. Application This example is of the NT620S/620C being used as a warning lamp by using PT status control bits. S Support tool settings Make the following setting using the support tool.
  • Page 250 PC by reading the “PT status” word in the PT status notify area allocated in the PC memory. By reading the “PT status” in the PT status notify area allocated to the PC, it is possible to ascertain the operating status of the NT620S/NT620C and other in- formation. NT620S/620C...
  • Page 251 S PT operating status (bit 15) When the NT620S/620C is in the RUN mode this bit is set to ON (1). In other modes and while the system menu is displayed it is OFF (0). When this bit is OFF allocated bits and words cannot be read or written to.
  • Page 252 (screen print key) or from the PC. On completion of printing the bit is set back to “0” (OFF). Note that if the NT620S/620C system menu or an error screen is displayed, the bit will be set to “0” (OFF) even if the printer is printing.
  • Page 253 S Program operation (1) If PT operating status (contact 11215) is turned OFF (0) and battery (con- tact 11213) is turned ON (1), “1” (NT620S/620C stop, low battery voltage) is transmitted to DM0001. (2) If PT operating status (contact 11215) is turned OFF (0) and battery (con- tact 11213) is turned OFF (0), “2”...
  • Page 254 This section gives an overview of memory link operations and contains explanations centered on communications between the NT620S/NT620C and host when using the memory link. Operation of the Memory Link ..........
  • Page 255 NT620C is allocated to the PC memory of the host. In contrast, when using the memory link, the NT620S/NT620C has an area in its memory called the “PT memory” and direct connection is executed with respect to this area, treating it as though it were a memory area in a PC.
  • Page 256 9998 9999 Reference - The PT memory is backed up by the battery even while the NT620S/NT620C power is OFF. - The explanations in this section concentrate on the memory link communication method. For details on control and notification between the NT620S/NT620C display elements and the PT memory, refer to Section 5 “Us-...
  • Page 257 S PT status notify command Page 262 Re-send command This command lets the NT620S/NT620C re-send a notify command. It is issued from the host and the notify command issued last is re-sent from the NT620S/ NT620C. S Re-send request command Page 264...
  • Page 258 Command/response reception Response transmission Response or re-send command Sometimes multiple responses may be received for one command. S Pattern when the operation at the NT620S/NT620C is notified to the host [Operation at host] [Operation at NT620S/NT620C] Notify command Notification reception...
  • Page 259 S If a command is too short because it has been incorrectly specified, a commu- nication error (time out) occurs. Command transmission intervals S If commands are sent too frequently, processing at the NT620S/NT620C will not be able to keep pace with them and a communication error (buffer overflow) will occur.
  • Page 260: S Pt Memory Read Command

    Commands/Responses Section Order of priority of input communication commands S When a reason for input notification arises during processing of a command from the host, the input command is issued only after the ongoing command processing has been completed. Check sum S The checksum of the command response is the lower one-byte of the total sum (in units of bytes) of the following, from the [ESC] code at the beginning to the character immediately before the checksum value.
  • Page 261 Commands/Responses Section Response Format [ESC] Data of 1 word Data of 1 word [CR] to c : First word number read (4 BCD digits) 0000 to 9999 : Number of read words (2 BCD digits) 01 to 50: 1 to 50 words to d1 , ..., dn to dn...
  • Page 262: S Numeral Memory Table Read Command

    Commands/Responses Section S Response [ESC] [CR] Numeral memory table read command (Sent from host to PT) Command Format [ESC] [CR] : Check sum present/absent (1 BCD digit) : Absent : Present : Absent (only 1 table read) : Present (only 1 table read) to t : First numeral memory table number read (4 BCD dig- its)
  • Page 263: S Character-String Memory Table Read Command

    Commands/Responses Section to d1 , ..., dn to dn Contents of the numeral memory tables (1 to 8 hexadecimal digits) 0 to FFFFFFFF Since initial zeroes are omitted, there may be less than 8 digits. The data for individual tables is delimited by commas.
  • Page 264: S Pt Memory Write Command

    Commands/Responses Section Response Format [ESC] [CR] to t : First character string memory table number read (4 BCD digits) 0000 to 0999 to d1 , ..., dn to dn Contents of the read character string memory tables (2 digits (hexadecimal) corresponding to 1 to 40 char- acters) 00 to FF In the case of character string memory tables allo-...
  • Page 265 Commands/Responses Section : Present, SET attribute : Absent, AND attribute : Present, AND attribute : Absent, OR attribute : Present, OR attribute : Absent, XOR attribute : Present, XOR attribute : Absent, SET attribute (writing 1 word) : Present, SET attribute (writing 1 word) to c : First word No.
  • Page 266: S Numeral Memory Table Write Command

    Commands/Responses Section Numeral memory table write command (Sent from host to PT) Command Format [ESC] Data of 1 word Data of 1 word [CR] : Check sum present/absent (1 BCD digit) : Absent : Present : Absent (only 1 table written) : Present (only 1 table written) to t : First numeral memory table number written to...
  • Page 267 Commands/Responses Section Character string memory table write command (Sent from host to PT) Command Format [ESC] [CR] : Check sum present/absent (1 BCD digit) : Absent : Present to t : Character string memory table number written to (4 BCD digits) 0000 to 0255 to d1 , ..., dn...
  • Page 268 Commands/Responses Section PT memory batch write (FILL) command (Sent from host to PT) Command Format [ESC] [CR] : Check sum present/absent (1 BCD digit) : Absent : Present to b : First written word number (4 BCD digits) 0000 to 9999 to e : Final written word number (4 BCD digits) 0000 to 9999...
  • Page 269 Commands/Responses Section : Check sum present/absent (1 BCD digit) : Absent : Present to b : First cleared numeral memory table number (4 BCD digits) 0000 to 9999 to e : Final cleared numeral memory table number (4 BCD digits) 0000 to 9999 : Check sum (2 hexadecimal digits) If m is 0, omit this setting.
  • Page 270 Commands/Responses Section : Check sum (2 hexadecimal digits) If m is 0, omit this setting. Response Only if “Yes” is set for the “Response” memory switch, the response indicated below is returned on normal completion. Format [ESC] [CR] : Check sum (2 hexadecimal digits) This is always added (fixed as “11”).
  • Page 271 Commands/Responses Section Response Format None Function S When the status of a touch switch changes because it has been touched or released, notifies the change of status to the host. S Normally, one command notifies the change in status of one allocated bit only, but when multiple bits in the same word change simultaneously, these changes are all notified together with one command.
  • Page 272 Commands/Responses Section to t : Input numeral memory table number (4 BCD digits) 0000 to 0999 This is the number of the numeral memory table for which there has been numerical input. to d : Input numeric data (8 hexadecimal digits) 00000000 to FFFFFFFF : Check sum (2 hexadecimal digits) This is always added.
  • Page 273 : No. 210 Input character string data (hexadecimal) : OMRON Check sum (hexadecimal) : 79 Here, it is ascertained that OMRON has been input to character string memory table No. 210. PT status notify command (Sent from PT to host) Command...
  • Page 274 Commands/Responses Section to c : First word number of PT status notify area (4 BCD digits) 0000 to 9997 : Number of words in PT status notify area (2 BCD dig- its) Fixed as 03 (3 words). to d1 , .., d3 to d3 Contents of the 3 words of the PT status notify area (1 to 4 hexadecimal digits)
  • Page 275 Commands/Responses Section Check sum (hexadecimal) : 29 From the fact that bit 15 (PT operating status) and bit 12 (screen switching strobe) of the PT status have come ON it is ascertained that the screen has switched, and from the “screen No. being displayed” it is ascertained that screen No.
  • Page 276 Commands/Responses Section 04 : Check sum present/absent specification error A value other than those stipulated has been set for the check sum present/absent specification. 05 : Format error A format other than that stipulated has been used, for ex- ample the word number has been specified with 5 dig its or a character code outside the permissible range has been used.
  • Page 277 Maintenance of the NT620S/620C ........
  • Page 278 Hardware Faults Section Hardware Faults When a fault relating to the operation of the NT620S/620C occurs, find the symp- toms in the table below and respond by following the corresponding “Remedy” indicated in the table. Caution - Confirm system safety before turning the power ON/OFF or resetting. Other- wise the system may operate unpredictably.
  • Page 279 Cause Remedy The PC mode changes to In host link communications, the This is a specification of the NT620S/NT620C. If the monitor mode. NT620S/NT620C changes mode. using a PC that can also be connected via the NT link, connect it in an NT link connection (with NT link, the mode is not changed).
  • Page 280 Responding to Displayed Error Messages Section Responding to Displayed Error Messages When the NT620S/620C displays an error message, find the corresponding symptoms in the appropriate table below and respond by following the “Remedy” indicated in the table. 7-2-1 Errors Occurring when the Power is Turned ON The table below shows the errors that can occur when the power supply to the NT620S/620C is turned ON, and their remedies.
  • Page 281 S Operation when a communication error occurs When a communication error occurs, the error message is displayed at the NT620S/620C, and the buzzer sounds. Error messages are displayed when the “Automatic Reset” memory switch is not set (OFF). Note Some error messages are displayed even if the “Automatic Reset”...
  • Page 282 Check whether the parity bit, data bit length, baud incorrectly. rate, stop bit length, and flow control settings of the Parity Error PC match the settings of the NT620S/620C. Framing Error Framing Error Noise caused data corruption during Use a noise-resistant cable if communication occurs Overrun Error communication.
  • Page 283 S Spare PT It is advisable to have a spare NT620S/620C available to minimize system downtime in the event of an NT620S/620C failure or if the screen display be- comes difficult to read due to deterioration of the display unit.
  • Page 284 Maintenance of the NT620S/620C Section 2. While lightly pressing down on the projection on the upper part of the back- light connector, pull the connector toward you to remove it from the NT620C body. While doing this, be careful not to put excessive strain on the backlight cord.
  • Page 285 The NT620S/620C uses a lithium battery to back up the memory contents. The battery life is 5 years if the NT620S/620C is used in a location where the am- bient temperature is 25_C. If the temperature at the location of use is higher than this, the battery life will be shorter.
  • Page 286 5 minutes without a battery. 2. Turn off the power to the NT620S/620C and remove the lid of the CFL case, located at the upper right part of the rear of the NT620S/620C: remove the screw with a Philips head screwdriver, then open the CFL case lid.
  • Page 287 Maintenance of the NT620S/620C Section 5. Close the CFL case lid and secure it with the screw. The battery may be replaced while the power is ON. In this case, there are no restrictions on battery replacement time. Caution Never short the “+” and “–” terminals of the battery. Do not recharge, take apart, or heat the battery, or discard it into open flame.
  • Page 288 Inspection and Cleaning Section Inspection and Cleaning Clean and inspect the NT620S/620C regularly to ensure that it is always used in its optimum condition. Cleaning Method If the display is dirty the screen is difficult to see. Clean the screen from time to time as follows.
  • Page 289 When replacing the NT620S/620C after discovering a fault during inspections, note the following points: - After replacement, check that the new NT620S/620C is not subject to the same error. - If a faulty unit is returned for repairs, write as detailed a description of the fault as possible and send this description together with the unit to the OMRON ad- dress indicated on the back cover of this book.
  • Page 290 Durability: 30 G, 3 times each in X, Y, and Z directions. Malfunction: 20 G, 3 times each in X, Y, and Z directions. Dimensions (mm) 275 (W) x 192 (H) x 71 (D) mm (NT620S) 281 (W) x 198 (H) x 74.4 (D) mm (NT620C) Weight 2.0 kg max.
  • Page 291 * It is the time taken for the brightness to decline to half its original value at normal temperature and humidity. Panel Specifications Item Specification Touch panel Number of switches: 512 for NT620S (32 horizontally x 16 vertically) 768 for NT620C (32 horizontally x 24 vertically) Maximum number that can be registered per screen: 256 Input: Pressure-sensitive type Operating/Activating force: 1 N min.
  • Page 292 (32 x 32 dots) (64 x 64 dots) Image data (NT620S: 8 x 8 to 640 x 400 dots, NT620C: 8 x 8 to 640 x 480 dots): User-defined image character size is set freely in the unit of 8 x 8 dots.
  • Page 293 Appendix A Specifications Painting out 10 types Graphic display attributes Normal/inverse flashing, transparent display Display color 8 colors (red, green, blue, yellow, magenta, cyan, white, black) (NT620C only) Color specification Display color, background color, boundary color (line color) (NT620C only) Maximum Amount of Various Data Item Specifications...
  • Page 294 Setting: Set the “Resume Function” to “ON” in the “MEMORY SWITCH MENU”. Screen print function To print the screen just displayed by means of printer interface connector. Setting: Set an output specification in the “MEMORY SWITCH MENU”. NT620S ESC/P TONE: Conforms to ESC/P 24-J81C PR201H TONE:...
  • Page 295 Flow control : None, RS/CS, XON/XOFF (RS-CS can only be selected with RS-232C.) Connector 9-pin D-SUB connector (female) 9-pin D-SUB connector (female) (NT620S/NT620C) Number of units connected Transmission distance Max. 15 m RS-232C cable: Max. 15 m RS-422A cable: Total length 500 m...
  • Page 296 Appendix B Dimensions Body (NT620S-ST211(B)) (10.35) POWER (7.56) (7.09) 6 (0.24) (2.80) (10.83) Unit : mm (inch)
  • Page 297 Appendix B Dimensions Body (NT620C-ST141(B)) (10.35) POWER (7.72) (7.09) 6 (0.24) 76.8 (3.02) (10.83) Unit : mm (inch)
  • Page 298 Appendix B Dimensions S Cable connection dimensions (common to NT620S and NT620C) 96 (3.78) (1.26) 45 (1.77) RS-232C cable (0.87) (3.27) Printer cable RS-232C cable Unit : mm (inch) S Dimensions for Installation [NT620S/NT620C] 15.5 Installation Installation (0.61) 34 (1.34)
  • Page 299 This section shows the dimensions of the RS-232C/RS-422 converter unit (NT-AL001), and describes the meth- ods for installing and removing it. Refer to this information when designing the control panel. Dimensions 53.5 (2.11) (4.33) omRon NT-AL001 74.5 (2.93) (0.16) 100.2 (3.94) (1.18) 105 (4.13) less than 45 (1.77)
  • Page 300 Appendix C Handling the RS-232C/RS-422 Converter Unit Removal from the DIN Rail Remove the end plates at right and left, then insert a flat-tipped screwdriver into the rail stopper on the bottom of the unit and pry the unit away. Installation in an Operation Panel Make two screw holes in an operation panel wall at least 2 mm thick and secure the converter to the wall with screws.
  • Page 301 S Do not install the unit at locations where the ambient temperature goes outside the range 0 to 45_C in the case of the NT620S and 0 to 40_C in the case of the NT620C, or where the relative humidity goes outside the range 35 to 85% RH.
  • Page 302 Appendix E Transporting and Storing the NT620S/NT620C Pack the NT620S/NT620C in the packaging intended for it before transporting it. Store the NT620S/NT620C in a location that meets the following conditions. Ambient temperature: –20 to 70_C (NT620S) –20 to 60_C (NT620C)
  • Page 303 Appendix F NT620S/NT620C Internal Processing The following processing is executed inside the NT620S/620C. Processing is divided into two types: periodic pro- cessing and incidental processing. Periodic Processing The following processing is executed inside the NT620S/620C to enable high-speed control from the PC.
  • Page 304 Appendix F NT620S/NT620C Internal Processing S Number of words for screen element registration The number of words used for screen element registration is as follows. Allocated words: Number of words Allocated bits: Number of words calculated by summing the number of bits in each area and taking 1 word to be 16 bits.
  • Page 305 NT620S/NT620C Internal Processing Incidental Processing When the status of the NT620S/620C changes during operation (ex. touch switch is pressed), the processing for writing the changed data to the relevant area of the PC memory is executed. This kind of processing is only executed when statuses change. When changes occur simultaneously, the proces- sing is executed in accordance with the order of priority.
  • Page 306 25-pin, manufactured by JAE C120-LK201-V1 When connecting the NT620S/620C to an OMRON PLC CjjH , the connector and the connector must be pre- pared separately since they are not supplied with the CjjH. The connector provided in the CPU unit of the CjjH is a 9-pin connector. For the connection, the following con- nector and connector cover should be prepared.
  • Page 307 Caution Check that the current capacity of the equipment to be supplied is within 150 mA before using the +5 V output of pin No.6. The +5 V output of NT620S/NT620C delivers +5 V "5% and 150 mA maximum. Do not use the +5 V output of the RS-232C interface unit.
  • Page 308 S Wiring connections The NT620S/620C does not use pin 4 (RS) or pin 5 (CS). Either short the RS and CS pins of the PC connector together or set the CTS setting selector switch at the rear face of the host link unit to “0V” (see < in the figure).
  • Page 309 Method for Making the Cable for Connection to the PC S Wiring connections The NT620S/620C does not use pin 4 (RS) or pin 5 (CS). Short the RS and CS pins of the PC connector together (see < in the figure).
  • Page 310 Appendix G Method for Making the Cable for Connection to the PC Connecting an NT620S/620C to a CVM1/CV-Series Host Link Unit S CVM1/CV-series host link unit connector specifications - Applicable host link unit: CV500-LK201 - Electrical characteristics: Complies with EIA RS-232C - Signal direction: Signal input and output is relative to the PC.
  • Page 311 CVM1/CV-series host link units have two types of connector, which must be wired differently. The NT620S/620C does not use pin 4 (RS) or pin 5 (CS). Either short the RS and CS pins of the PC connector together or set the CTS setting selector switch at the rear face of the host link unit to “0V” (see < in the figure).
  • Page 312 S Wiring connections The NT620S/620C does not use pin 4 (RS) or pin 5 (CS). Either short the RS and CS pins of the PC connector together or set the CTS setting selector switch at the rear face of the host link unit to “0V” (see < in the figure).
  • Page 313 Appendix G Method for Making the Cable for Connection to the PC Connecting an NT620S/NT620C to an RS-232C/RS-422 Converter Unit (NT-AL001) Connecting to an RS-232C/RS-422 converter unit allows transmissions over distances greater than 15 m (maxi- mum of 500 m).
  • Page 314 Appendix G Method for Making the Cable for Connection to the PC Wiring [For NT620S/NT620C] NT620S/NT620C NT-AL001 Host RS-232C RS-422A Terminal Abbrev. Pin No. Pin No. Abbrev. Abbrev. Signal Name Ground for safety Signal ground RS-422A Receive data (+) interface RS-422A Receive data (–)
  • Page 315 Appendix G Method for Making the Cable for Connection to the PC Making the Cable The procedure to make up the cable is described below. Cable Preparation The preparation of the cable differs according to whether or not the shielding wire is to be connected to the FG. S Cable with shielding wire connected to FG (1) Cut the cable to the required length.
  • Page 316 Appendix G Method for Making the Cable for Connection to the PC (5) Wrap vinyl tape over the cut off end of the shielding wire. 40 (1.57) (RS-232C) 5 (0.19) [Units: mm (in.)] Vinyl tape Soldering (1) Slide heat-shrink tube over each wire. (2) Pre-solder each wire and connector cable.
  • Page 317 Connector XM2D-0901 9-pin (Socket), manufactured by OMRON XM2A-0901 9-pin (Plug), manufactured by OMRON Connector cover XM2S-0911 9-pin, millimeter-pitch screws, manufactured by OMRON (See note.) XM2S-0913 9-pin, inch-pitch screws, manufactured by OMRON Cable AWG28X5P Multicore cable, manufactured by Fujikura, Ltd IFVV-SB...
  • Page 318 Pin No. Abbrev. Connector cover RS-232C RS-232C interface interface This connection is not possible with NT620S/NT620C. Shielding wire DIP Switch Settings S DIP switch settings at RS-232C/RS-422 converter unit Set the NT620S/NT620C memory switches in accordance with the communication method used.
  • Page 319 Appendix J Model List Model Specification NT620S-ST211-E NT620S (Beige) NT620S-ST211B-E (Black) NT620C-ST141-E NT620C (Beige) NT620C-ST141B-E (Black) Host Link Unit Model Specification Applicable PC C120-LK201-V1 CPU-mounted type with RS-232C connector C-series C120 C200H C500(F) C1000H C2000 (H) C200H-LK201(-V1) Rack-mounting Unit with RS-232C connector for C200H...
  • Page 320 Appendix J Model List CPUs (For Connection Via a Host Link) Model Specification PC Type C20H/C28H/C40H/C60H Features a 9-pin connector for RS-232C connections C-series C20H C28H C40H C60H CPM1-10CDR-j RS-232C adapter, RS-422A adapter connected to the C-series peripheral port CPM1-20CDR-j CQM1 CPM1-30CDR-j CQM1-CPU21-E...
  • Page 321 Appendix J Model List CPUs (For Connection Via an NT Link) Name Model PC Type CPM1-10CDR-j RS-232C adapter, RS-422A adapter connected to the C-series peripheral port CPM1-20CDR-j CQM1 CPM1-30CDR-j CQM1-CPU41-E Features a 9-pin connector for RS-232C connections C-series CQM1-CPU42-E CQM1 CQM1-CPU43-E CQM1-CPU44-E C200HS-CPU21-E...
  • Page 322 RS-232C adapter, RS-422 adapter Model Specification CPM1-CIF01 Acts as a relay between the RS-232C port of the NT620S/NT620C and the peripheral port of the CPM1. CPM1-CIF11 Acts as a relay between the RS-422A port of the NT620S/NT620C and the peripheral port of the CPM1.
  • Page 323 Multicore cable, manufactured by Hitachi Cable, Ltd. 5PX28AWG Applicable connectors Name Model Remark Connector XM2A-2501 25-pin, manufactured by OMRON XM2A-0901 9-pin (Plug), manufactured by OMRON XM2D-0901 9-pin (Socket), manufactured by OMRON DB-25P 25-pin, manufactured by JAE Connector cover Connector cover XM2S-2511 25-pin, manufactured by OMRON XM2S-0911...
  • Page 324 Dispose of them in accordance with the laws and regulations of the relevant country and local authority. Reflection-Suppressing Protective Sheet ... NT600M-KBA04 (For NT620S) NT620C-KBA04 (For NT620C) Stuck to the display to prevent it from being soiled. The entire sheet is colorless and transparent.
  • Page 325 Acetaldehyde Lard For information on protection against chemical agents not included in the table above, please ask OMRON. (If it is a chemical agent to which silicone rubber is recognized to be resistant, the cover can be used with confidence even if that chemical agent is not listed in the “Protects Against”...
  • Page 326 Appendix K Option List Battery ... 3G2A9-BAT08 This is a lithium battery used for memory backup.
  • Page 327 0000 to 1023 (*2) CVM1-CPU21 (-EVj) (*1) Included in the IR area in the case of CVM1/CV-series PCs. (*2) This is the area that can be used with an NT620S/620C. The DM area itself occupies the range 00000 to 24575.
  • Page 330 Changing the contents of allocated words, , , Comparison between NT620S and NT620C, Changing the system setting, Compatibility, Character keys, Compatible PCs, , Character string input notify command (Sent from PT to host), Confirming the communications between the NT620S/620C and the PC,...
  • Page 331 Index Connecting a printer, DIP switch, , Connecting the NT620S/620C, DIP switch settings, Connecting to the support tool, DIP switch statuses, Connector, , , Direct connection data setting, Connector cover, , , Direct connection function, , Connector cover assembly, Direct information,...
  • Page 332 Indirect specification, , , Marks, Initial operation of the input keys, Maximum amount of various data, Initialization error, Maximum number of NT620S/NT620Cs connectable to one Initialization of the display history data memory, port, Initialization of the memory tables, Memory link, , ,...
  • Page 333 NT link (1:1), , Overlapping screen, , , NT link (1:N), , NT model, NT-AL001, , Page number display, NT620S/620C status control, Panel fittings, NT620S/620C status notification, Panel specifications, Number of character-string memory tables, Parent screen, , Number of colors,...
  • Page 334 Index Power supply connection, RS-232C cable, Power supply specifications, RS-232C communication, , RS-232C/RS-422 converter unit, , , precautions, RS-232C/RS-422 converter unit (NT-AL001), , Precautions to be observed during the screen data transmission, RS-422A adapter, Printer cable, RS-422A cables, Printer connector, RS-422A communication, Printer operating status, RS-485 cables,...
  • Page 335 Index Setting the support tool, Tool I/F, Tool settings, Setting the words for the character-string memory tables, Setting the words for the numeral memory tables, Touch switch (Screen printing function), Touch switch input notify command (sent from PT to host), Setting unit numbers, Touch switches, , , Short intermittent sound,...
  • Page 336 Revision History A manual revision code appears as a suffix to the catalog number on the front cover of the manual. Cat. No. V033-E1-5 Revision code The following table outlines the changes made to the manual during each revision. Page numbers refer to the previous version.
  • Page 337 Authorized Distributor: Cat. No. V033-E1-5 Note: Specifications subject to change without notice. Printed in Japan 0401-0.7M (0597)

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