ST220 User Manual - Lamonde Automation Ltd
Contents
1. Ctrl S or by selecting the Icon This will save the current message file to the selected file name To save the message file to another file name use the SAVE AS option again Software Loading a Message File previosly saved message file can be loaded by selecting OPEN from the FILE menu by using the keyboard short cut Ctrl O or by clicking on the Icon This will bring up a dialogue screen where you can select the file to be loaded File to be Loaded Directory Tree Select OK to Load File List of Loadable 128blank mdf H c Select Cancel to Exit 128st mdf 32blank mdf Screen Without Files et mdf Loading a Flle blank 256 mdf blank 32 mdf chain mdf chain256 mdf MDU Files oo Sems Select the Drive to Load From Simply type in the name of the file to be loaded or click on the file from the file list and click OK and the file will be loaded Creating a New File A new file can be created in several ways Using the Save As function with a new file name will create a new file but will not clear the messages A new file can also be created by selecting NEW from the file menu using the keyboard short cut Ctrl N or clicking on the Icon This will bring up the Create New File dialogue box New File Name TERE Type of Messages to Create Browse File System for File Name Number of Messages to Create Create New Message File Exit Screen Without Creating a New File This screen2. for a set time The last message in the chain should hand control of the display back to the message latch by being chained to 0 If a situation occurs where you wish to break out of a chain at any time you simply take all the inputs AO A7 and the Strobe high in order to interrupt the chain This will take you to message 255 in the 256 message version and message 31 in the 32 message version immediately A new message is then selected as normal If there is no Time Out selected you cannot chain to another message and the number in the Chain To box is ignored Once messages have been edited to your satisfaction the changes are accepted by selecting OK or by pressing Return To remove edits and default back to the messages before editing select Cancel or press ESC saving a Message File Once a message file has been created it can be save to disk If the file is created from scratch use the SAVE AS option from the FILE menu You can also use the keyboard short cut Ctrl A or click on the Icon This brings up the Save As screen which allows you to select a file name and location Fila Name Directory Tree Click OK to Save File wae ee tu FRE Without Savin List of Files ans m g in Directory plank 256 mdf blank 32 mdf chain mdf chain256 mdf moy Fies HE Semos Select type of file Select the Drive to Save File To Once a file has a file name save it by selecting SAVE from the FILE menu using the short cut
3. 51220 series Stored Text Displays ST220 Lamonde Automation use Morris Road Sth Nutfield Surrey RH1 5SA Introduction Overview The ST220 series of Stored Text displays are the 2 line 20 character LCD versions of a range of parallel addressable text terminals Industrial control systems plant and machinery can replace complex arrays of panel lamps with a single display showing alarm messages plant status and operator instructions The ability to provide in depth descriptions of faults as opposed to an array of panel lights and to then lead an operator through the correction procedure is a powerful tool in the every day working of a busy plant This series of PLC operator terminals are available with 256 stored message capacity which are stored in EEPROM non volatile memory They have a 2 line 20 character wide viewing angle LCD display with yellow high intensity LED back light and are available for a wide range of PLC Messages are selected by applying a parallel binary or BCD number to eight 5 24vdc input lines Each selected message can be programmed to FLASH all or sections of a message to SCROLL across the screen or to be CHAINED to other messages in order to create sequential message routines Messages are edited offline or online on a PC using a Windows based configuration program Communications to the display is via a standard serial PC port and individual messages or the entire message list can be
4. TENTS from the HELP menu The help is context sensitive so pressing F1 in the Edit Message window will bring up help on editing messages On some windows 3 1 systems the help screen displays an error message Cannot Load Help File To open the help select OPEN from the FILE menu of the help screen and select the ST 220 hlp file Operation Introduction The ST220 display uses 8 input lines and a strobe line to display one of up to 255 previously edited messages The strobe is used to latch the message number into the display The strobe can be held high allowing the display to react to any change in the message number on lines AO A7 The contrast of the display can be altered via a pot on the back of the display The message that is displayed upon power up can be customised to display information on the use of the display Displaying a Message To display a message select the message number on input AO A7 and send a ve pulse to the strobe input This latches a message into the display The message is displayed for as long as the latch contains this message To change the message simply change AO A7 and send another ve pulse to the strobe When message 0 is selected a blank screen results which can be used to return the screen to blank after a message Message Attributes Messages can have various attributes including scrolling flashing and message chaining Scrolling message set to scroll will scroll the whole message i e both li
5. allows you to select a file name for the new file the number of messages required and the type of messages to intially fill the message file with Selecting Blank will fill the message file with empty messages Selecting Standard Messages will fill the message file with the message Message xxx Selected Where xxx is the message number Clicking OK or pushing Return will create the file or clicking Cancel or pushing ESC will exit the screen without creating the file Software Selecting Between 32 and 256 Messages Selecting between 32 and 256 messages is achieved by clicking on the either the 32 or the 256 checkbox When you go from 32 to 256 messages the 32 messages become the first 32 messages of the 256 messages When you go from 256 to 32 messages only the first 32 messages are retained You cannot download a message file set to 32 message to a 256 message version of the ST220 or vice versa Cut Copy Paste Selected messages can be copied and pasted to other messages Multiple messages are selected in several ways Simply click on the first message of a message block and while holding down the left mouse button drag the highlighted message block over several consecutive messages Alternatively select the first message required with the mouse and while holding down the Shift key select the last message to be selected and this will highlight all the messages in between To select messages which ar
6. ay Downloading the Demo Message List Turn the display on After a few seconds the display should display the message Program Mode If it does not check the power to the device and check that the programming cable is plugged in Select the communications port that the cable is plugged into Comm1 4 Select DOWNLOAD ALL from the TRANSFER menu The entire message list should now be sent to the display Once the download has finished disconnect the programming cable The display should now display the message Message 1 lf another message is displayed you should check the display is wired as above Selected Editing the Message List Double click on message 1 The message edit box should now be displayed You can see the message displayed in the preview screen Delete the message in the edit message box by selecting it with the mouse and pressing the delete key You can now type in your own message Once you have typed in your message hit return or click on OK to accept the changes to the message and you should now see you message appear in the message list Downloading a Single Message You can download a single message instead of the entire message list First put the display in program mode by connecting the programming cable Then select the message or group of messages to download Finally either click on the Bicon select DOWNLOAD MESSAGE from the TRANSFER menu or hit F2 So to download message 1 to the display click on m
7. d on the simulated screen display allowing you to judge where to place each word or register etc message can be set to scroll by selecting the scrolled check box A scrolled message will scroll in from the right and scroll out to the left lf a message needs to be sent to the serial port select the printer check box When this has been selected every time a message is displayed it is also sent to the serial port once Text can be made to flash by enclosing it in F characters The Text FWARNING F Power Overflow will be displayed with the text WARNING flashing and the rest not flashing To display a character type a double i e Multiple areas of a message can be enclosed in F to make them all flash Messages can be set to display for a minimum time If a number is put in the Time Out box 1 255 the message will be displayed for this length of time a figure of 1 1 4 second approx so a figure of 4 is approximately equal to 1 second A value of 0 in the Time Out box causes the message to display only as long as it is being selected and as soon as the address changes so does the message When a message has timed out the display does one of two things If there is a 0 in the Chain To box the message jumps to the next message number in the message latch If however there is a number in the Chain To box the display changes to this message In this way a whole chain of messages can be built up each one being displayed
8. e not next to each other use the Control key While holding down the Control key any messages you select will be added to the already selected messages Finally using the keyboard hold the Shift key down and use the up and down arrows to select a series of consecutive messages Once selected messages can be copied to the copy buffer by selecting COPY from the EDIT menu or using the keyboard short cut Ctrl C The copy buffer stores messages in a consecutive manner You can also copy messages to the copy buffer and blank the original messages To do this select CUT from the file menu or use the keyboard short cut Ctrl X To blank messages without copying their contents to the copy buffer select DELETE from the FILE menu or use the delete key To blank all messages select CLEAR ALL from the FILE Menu Once there are messages in the message buffer they can be either pasted over other messages or replace selected messages Paste copies the entire copy buffer to consecutive messages after the first selected message So if you copy messages 10 14 and then select message 20 and paste messages 10 14 will be placed in message 20 24 To paste select PASTE from the FILE menu or use the keyboard short cut Ctrl V Replace copies messages consecutively from the copy buffer over any messages selected So if you again copy messages 10 14 select messages 20 21 26 29 and 32 then select Replace message 20 will contain message 10 message 21 will con
9. e software is provide on two 1 44Mb 31 2 floppy disks Loading the Software To install the software in Windows run Setup exe on disk 1 1 Select RUN from the START menu 2 Type A Setup and hit OK 3 Follow the on screen instructions Once the software is installed start by clicking on the Icon and the following screen will be displayed ST tal Open a Save a Message Fi Save a Message File with a New Name Message us Download Messages File Upload Messages ST SITES Create a New ES eal 1 tor Stop Message Message File e a EC ka Transfer Select PC Comms Port Message List Toggle between 32 and 256 Messages Editing Messages The message list shows 12 messages at a time The list can be scrolled up and down using the scroll bar situated to the right of the message list or by using the up and down arrow keys on the keyboard A message may be selected for editing by double clicking on it with the mouse or by moving the highlight bar over the message using the up and down cursor keys and pushing return The following message edit window will then be displayed Message is Scrolled Edit Text a a o Chain To Message is sent to the Serial Port Time Message Simulated is Displayed for Screen Display Message Edi Box Accept Alterations to Message Reject Alterations to Message Software Messages are edited by typing into the Message Edit Box Text is displaye
10. essage 1 once with the mouse and click on the Icon After removing the programming cable from the display message 1 is again displayed This time however the new message you typed in should be shown Making a Message Scroll To make a message scroll on the display from the right to the left you must select the scroll check box in the edit message window Double click on message 1 again to bring up the message you entered Click on the empty box next to the word Scrolled Hit return or click on OK to accept the changes Download message 1 again This time when you remove the cable the message should scroll across the screen Flashing Text Any text in the message can be made to flash by encasing it with the character F Double click on message 1 Deselect the scroll check box By clicking on it again Select some of your text that you wish to make flash Edit the message so that the characters F come before and after the text to be flashed For example the message This is Fmy F Text will display the message This is my text with the text my flashing Once you have edited the message hit return or click OK to accept it Again download the message and remove the programming cable to see the text enclosed with F flashing 11 Quick Start Chaining to Another Message A message will chain to another if it has a time out set and has a number other than 0 in the Chain To box Again edit the message by double clicking o
11. hout pins 4 and 5 connected will act as a printer cable allowing the ST220 unit to print its messages Installation Programming Cable FT220 PRG The pin out for this cable is ST220 End PC End 9 way D socket 9 way D socket Q 5 a 9 Printer Cable A cable suitable for driving a printer 2 Q 5 ST220 End 9 way D socket Shield 5 OY OF age TA 2 o G Q Shield When printing the port is configured for 9600 baud no Parity 8 data bits and 1 stop bit This rate is fixed 6 60 600000060660 Printer 25 way D socket Specifications User Power Supply 8vdc min 40vdc max Current Consumption 0 25A 8vdc max 0 08A 24vdc typical Inputs high level ON 3 3v min 30v max low level OFF 0 8v max Pull up Pull down resistors 3 6k ohm Microprocessor PIC microprocessor 16C5x running at 3 6864MHz Memory EEPROM Memory 24LC16 32 Message 24LC65 256 Message Unit conforms to CE Standards Software Introduction Stored text displays are programmed via a windows based programming package The software runs on a 486 or higher level PC under windows and the PC should have 8Mb of RAM minimum The software will load and save message files upload all or selected records download all or selected records cut copy paste replace selected records as well as editing individual messages Th
12. n message 1 This time set a number in the Time Out box by clicking on the arrow by the side of it and selecting the number 16 This corresponds to approximately 4 seconds Set a number of 2 in the Chain To box Hit return or click on OK to return to the message list Now edit message 2 by double clicking on it Edit this message to say what ever you want it too and again set a number of 16 in the Time Out box but this time leave a number of 0 in the Chain To box Download messages 1 and 2 and remove the programming cable Message 1 should be displayed followed by message 2 When message 2 times out it will default to the number in the message latch in this case we still have message 1 selected Message 1 will be again be shown followed by message 2 etc To stop the loop remove the wire to AO on the parallel in connector Now every time you touch this wire from ve to AO message 1 is shown followed by message 2 and then a blank screen waiting for the next message number to by inputted into the message latch Saving a Message List Once you have edited your message list you will want to save it to disk To do this either select the Icon select SAVE AS from the FILE menu or press Ctrl A This will allow you to give the message list a file name and to save it to disk When you next want to use this message list simply open the file with the filename you have just specified Where to Go Next You should now familiarise yourself with the f
13. nes across the display from the right to the left The message will continue to scroll until another message is selected Flashing Text within a message can be made to flash by encasing the text with the characters F The text when displayed will flash on and off until another message is displayed Time Out programmable time out can be selected in 1 4 second increments After the message has timed out it can either chain on to another message or revert to the number in the message latch To display a message for a set time before returning the display to blank you can latch the message into the message latch set the time out for the desired length of time and immediately strobe O into the message latch Once the message has timed out the display will jump to message 0 and a blank screen will be displayed Chain To If there is a time out set a value in the chain to box will tell the display to jump to this message after the message times out A value of 0 in this box tells the display to revert to the message latch for the next message to display In this way a chain of messages can be set up with the end message chained to message 0 As long as the first message in the chain is in the latch the chain will loop To change a recycling chain to another message during the chain operation change the number in the message latch At the end of the chain the new message will be displayed To immediately break out of a chain of messages simply ou
14. puts To select active low input connect the S S line to supply ve To select active high input connect the S S line to Ov Message Attributes Individual messages can be made to scroll across the screen A programmable time out can also be set in 1 4 second increments allowing a message to be displayed for a set time time before either defaulting to the next message in the input buffer or chaining to a following message Chains of messages can be ended by chaining to message 0 or by turning on all inputs AO A7 which allows you to break into a chain of message to report an alarm Text within messages can be made to Flash by enclosing the text with F Selected messages can also be sent to the serial port allowing a hard copy of any alarms that are displayed Mounting and cut out ST220 The ST220 mounts using four M3 studs on the back of the bezel plus a cut out of 122 x 42 5mm Self locking nuts and a rubber sealing gasket are provided 128 mm 3 5m 3 5mm Cut Out 42 5 mm 36 5 mm 3 5mm 3 5mm Installation Wiring CONN1 Power Supply CONN1 is the DC power connector The unit should be powered from a class 1 power supply and will run from 8 to 40 vdc Power consumption is 0 25A 8vdc protective diode is fitted to prevent harm should the polarity be reversed CONN2 8 ha Select ging Units can be configured for sink or source operation by I T mj a a E z as as y connecting the S S line to
15. ssage and to make it scroll flash and chain to another message 7 EE LD 7 7 A2 A3 A4 A5 AG A7 Setting up the Hardware Connect the display as follows This connects the 24vdc power wires the strobe high and selects AO The S S line is wired to OV to provide pull down resistors for all channels ensuring that only line AO is selected This then selects message 1 Also connect the programming cable to the 9 way D connector on the display making sure the end labelled ST220 END is plugged into the ST220 The other end of the cable should be plugged into your PC Installing the Software Insert disk 1 of the programming software into the disk drive Select RUN from the START menu Type A Setup and push return You will be prompted to insert disk 2 You will then be asked to specify a target directory Leave the directory as it is and click on the large Icon to install the software This will also setup a short cut to the software on your desktop Once the software is installed click on the com to start the software Once the software has loaded click on the Icon or select OPEN from the FILE menu This will let you open a message file in the target directory Select either the program Demo32 or Demo256 depending on the number of messages that can be stored in you display The ST220 32L can store 32 messages the ST220 256L can store 256 messages This will load the demo message list ready to download to the displ
16. tain message 11 message 26 will contain message 12 etc To replace messages select REPLACE from the FILE menu or use the Keyboard short cut Ctrl R The FILE menu also allows you to select all messages or F6 deselect all messages or F7 and to jump to the top and bottom of the message list Ctrl T and Ctrl B respectively Program Mode The display must first be placed in program mode to allow communications between a PC and the ST220 display To do this an appropriate cable must be connected to the display The cable pin out can be found on page 1 6 Once the display is in program mode the display will show the message Program Mode Before starting to communicate to the display you must select the correct communications port on your PC Downloading Messages You can download selected messages to the display by selecting DOWNLOAD MESSAGE from the TRANSFER menu pressing the F2 key or clicking on the Icon This will only download the selected messages To download the entire message list you select DOWNLOAD ALL from the TRANSFER menu or press F4 Uploading Messages You can upload the selected messages from the display by selecting UPLOAD MESSAGES from the TRANSFER menu pressing F3 or clicking on the Icon This again will only upload the selected messages To upload the entire message list you select UPLOAD ALL from the TRANSFER menu or press F5 On Line Help On line help is available by pressing F1 or selecting CON
17. the ve supply terminal for active low sink input or to the Ov terminal for active high source input In either case the message select lines are ve true logic i e message zero is AO A7 low It may be necessary to invert the output ladder logic when using PLC sink output modules An input of 3 3 30vdc is seen as true allowing use with 5v logic or 24v I O A pulse on the STR strobe line latches the message number appearing on AO A7 which enables setup of the message number without changing the message A simple priority alarm sequence can utilise the strobe facility by stepping sequentially through all message states and only allowing a strobe output if an alarm is active If a number of alarms are active at the same time they can be arranged in priority order lowest first and only strobing the last The strobe facility also allows several units to be attached to one set of outputs with the strobe inputs connected to unique output lines If the strobe is not required it can be tied to ve so that the display reacts directly to any change on pins AO A7 CONNS Serial Port CRT O Serial RS232 communications port 0O0OOO 4 lines are used on the 9 way male D connector i Description 2 RX RS232 Receive 3 TX RS232 Transmit 4 PRG Link to OV to put unit in program mode 5 GND OV connection The unit detects a standard FTCBL PROG programming cable when plugged into this port since pins 4 and 5 are then linked A cable wit
18. tput the number 255 to the message latch by turning on all inputs AO A7 and the strobe This will immediately display message 255 and return control back to the message latch If the display is the 32 message version message 31 is displayed If while displaying a message chain an alarm state occurs the message chain can be broken by outputing message 255 followed by the required alarm message number Message 0 Message 0 is a special message It can be edited like any other message however when selected the display is blanked The text in message 0 is shown for about 3 seconds upon turning the display ON This is so you can edit the initial message to a custom message giving information as to the source of the module Message 0 when chained to from another message will display the message in the message latch Initial messages in message 0 will not flash scroll or chain to other messages Contrast The contrast and angle of viewing can be altered by turning the pot on the back of the display to give a satisfactory display The viewing angle of the LCD display may need to be changed if the display is set above or below the normal eye level The display has a wide viewing angle however and unless the display is set at very acute viewing angles the contrastshould not need to be altered 10 Quick Start Introduction The purpose of this quick start chapter is to work through setting the ST220 up to display a custom message This is my Me
19. ull operation of the software and the means of operation of the ST220 display by reading the preceding chapters You will then be in a position to make full use of the features of the ST220 parallel stored text display Ladder Logic PLC Programming Stored Text Displays are used for alarm and status messages in a PLC system A simple logic line as below selects a message in a Koyo PLC system and several such lines throughout a program will call the message selected by the last active line in the program It is simply a matter of arranging program lines in reverse priority order throughout the program with highest priority alarms last and simple plant status messages first CO Alarm contact 1 Mitsubish FX line Keyance KV series line 0000 00001 0020 lt LDA STA DH
20. upload and download Stored Text Display types The basic display only unit is the ST220 which is available with 256 message capacity and uses a 48 x 144 mm plastic bezel with backlit LCD display as below LR 48 mm c 5 144 mm Order Codes Description ST220 256L 256 messages selected via 8 input lines A0 A7 and optional strobe Common Programming and Cable products Order Codes Description ST220 SOFT Windows based programming software FTCBL PROG PC 9 pin D to terminal programming cable Programming Offline programming is Windows 95TM based with download to the serial port on the ST220 The unit must first be placed in program mode which is achieved by plugging in the appropriate programming cable Simply removing the cable will then return the unit to normal operational mode Functionality To display a message the message number in a binary format is placed on the input pins A0 A7 and the strobe line is pulsed high If the strobe is held high the inputs are permanently active and will change the message as the input code changes Use of the strobe is intended to prevent erroneous messages appearing due to I O delays during the setting up of the binary number and allows multiple displays to share one message select bus Each input line has a 3 6 kohm resistor to an S S line which is then connected to either the ve or Ov rails to provide a pull up or pull down on each input allowing drive from sink or source PLC out
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