Chapter 5 - AutomationDirect
Contents
1. HAPTER 5 EDIT A PROGRAM In This Chapter I O Configuration lt lt a a aaa aa ences deed oe wee oe ees 5 2 Referencing Program Elements 5 4 Entering Program Instructions 5 6 Shortcuts for Entering Instructions 5 11 Drawing Deleting Connecting Lines 5 19 Selecting Rungs for Deleting Cutting or Copying 5 21 Deleting Rungs a 5 22 Copying RUNGS saa DB a nA BA a a ed 5 23 Cut and Paste Rungs 5 25 Merge Combine Rungs 000005 5 26 Inserting Columns Rows and Rungs 5 27 Using Search and Replace 5 29 Common Mistakes 00 000 5 31 Chapter 5 Edit a Program MMMM I O Configuration One of the first things to be done before beginning to edit a program is to view the I O addressing for the PLC being used Consult the user manual for the PLC that is being used to assist in the I O configuration The DirectLOGIC PLCs have automatic I O configuration and some of the CPUs offer manual I O configuration To access the I O configuration with DirectSOFT 6 the PLC must be connected to the PC being used and online Open the new program and connect the PLC to the PC You can either select PLC gt Configure I O on the Menu bar or press the I O Configuration button on the PLC Toolbar the toolbar must have been added to the display window TE DirectSOFT 6 P2. output entry position The expanded Instruction Editor dialog has a check mark an X and magnifying glass in the upper left hand corner The check mark is used for accepting an entry The X is used for closing without accepting an entry And the magnifying glass will bring up the Element Browser which will show the valid ranges for this field The small color coded indicators in each field of the input box indicate whether the entry for that field is valid or not Green is valid and red is not valid or incomplete The indicator in the upper right hand corner of the box indicates the validity of all fields For example in order for the indicator to turn green the box will need a valid address such as V2000 5 6 DirectSOFT 6 User Manual 1st Edition 00001 07680 06 Click here to close and accept the entry Click here to close without accepting Click here to see the element browser or press F9 Valid entry indicator for the immediate field Master valid entry indicator for the entire instruction Chapter 5 Edit a Program DirectSOFT 6 has two basic types of instruction editor dialogs single parameter and multiple parameter The following information explain the two types of dialogs Single Parameter Instructions Most contact coil and box instructions have single parameters and are entered with the single parameter dialog When some dialogs open for input they
3. X1 7 c c c S5Ss X4 EF 3 Ng Accept MAIAJOYX X A new Rung 4 nop A new Rung 5 Shift F2 le oe no Offline 00021 02048 05 5 26 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Inserting Columns Rows and Rungs pe Inserting instructions and rungs is a simple process with DirectSOFT 6 To perform either of these features use Edit gt mt Insert on the Menu bar the Insert button on the Edit toolbar or the Insert keyboard function key When instructions or rungs are inserted the addresses and rung numbering will change Insert a Column to Add an Instruction There may be a time when you need to add an element in a rung of a program such as within a parallel connection in the rung To ES do this a column is inserted to spread the rung out where the element is to be added In the example diagrams below a contact is to be added after XO in Rung 3 The cursor is placed over XO then the Insert feature is accessed by one of the three ways mentioned above An Insert dialog will appear asking what you want to do Make the proper selections and press OK In the example Column and After Cursor is selected Before Cursor could have been chosen It depends where you want to place the new contact Only one rung is affected in the example Ladder View x12 B1 400 3 S ET Mali Jaux X YO OUT Current position Insert column
4. After Cursor Note The cursor does not show when the dialog appears dbx B140 0 3 SET x 2c O a a YO OUT DirectSOFT 6 User Manual 1st Edition 5 27 Chapter 5 Edit a Program Mk Ek Mk kn kf Insert a Row or Rung Inserting a row is performed the same way as inserting a column by either using Edit 5 Insert on the Menu bar the Insert button on the Edit toolbar or the Insert keyboard function key Place the Edit cursor on the rung where the row is to be inserted and use one of the above methods to perform the insertion Make the appropriate selections on the dialog and press OK A row will appear for the instruction be added B1400 3 SET B1400 3 Insert YO What C Rung Row Column Where Current position aa ON Insert row After Cursor Pan How Many Note The cursor grays out when the dialog appears 1 Cancel RST OUT B1400 3 ser B1400 3 rst YO ow A vg Edit Mode Hit Ctrl F3 pf P Accept Ctrl F2 HT Ctrl F3 Inserting a rung is done in the same manner as inserting a row except select Rung in the Insert dialog A new blank rung is inserted either above or below the Edit cursor position x B1400 3 SET MAIAJOUX X nop B1400 3 The new rung is inserted and the rungs are renumbered Rung 2 is ready to be edited 5 28 DirectSOFT 6
5. Instruction Editor will appear to have the appropriate information entered 5 8 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Instruction Browser Fi of Ib YA 40k 4 dk dik 4 Box Col contac Edit Mode F2 F3 Ctrl F2 Ctrl F3 Shift F2 Shift F3 Co Lol Cee Bshakldtaatauahat 2 E i END All Coils Immediate 1 0 Interrupt RLL Plus g H g O 6 a M Standard Coil gt lt Contacts Coils Boxes Browse Aw a 7 N Description END End Coil 7 B rowse B rowse The End instruction marks the termination point of the normal program scan An End B rowse instruction is required at the end of the main program body If the End instruction is omitted an error will occur and the CPU will not enter the Run Mode Data labels Co nta cts B OXES subroutines and interrupt routines are placed after the End instruction The Eni F4 C O i sS F 7 instruction is not conditional therefore no input contact is allowed Cancel Entering Instructions with Hot Keys When the cursor is moved to one of the Ladder palette buttons a Tool Tip will appear The Tool Tips im BA provide a brief description of the kaa a button and the associated hot key for that button Pi You can enter an instruction by PAG 5 kit Mode pressing the hot key which N corresponds to the type of nop IK instruction to be entered For F2 example t
6. S a A E lip 6 h Bi COA se Cut Ctrl X Ng md a 1wx BS Open Edit Mode Accept Cut Copy n Browse Options OnTheWeb Help 6p Copy Ctrl C a HE Delete Data y Insert paaa We N Merge gt L z TileVert Arrange Default CloseAll Output Clear Output Select ay OO B1400 3 Edit Mode si Box aaa Wire a j9 Contact MAlAJBYX X W Accept F8 AE a EditMode Ctri E NO X1 R a X1 o aa Tan a ee NA I Ctrl F2 42 Ctrl F3 o 5 P y1 4 F7 ee OUT Ti J i Shift F2 0002 001 001 Copy the selection to the Clipboard Offline 00004 02048 05 The copied rungs are held on the clipboard until pasted to the new location with Edit gt Paste from the Menu bar the Paste button on the Offline toolbar or Ctrl V keyboard shortcut The clipboard is updated whenever a different rung is copied in other words the clipboard will only hold one copy at a time x E Ladder View 5 X12 B1400 3 FY set lt oO 2 B1400 3 rst XO X1 X2 X10 x14 Yo aaa mem a AA KA C por X4 pe j a6 BP Ctrl F3 1H Shift F2 o 0004 001 001 00026 02048 05 The above example shows the copied rung pasted from the clipboard to a new rung location in the program Rung 4 DirectSOFT 6 User Manual 1st Edition 5 23 Chapter 5 Edit a Program WARNING When using Stage instructions be careful whe
7. User Manual 1st Edition a Edit Mode 2 Accept Ctrl F2 F T Ctrl F3 Chapter 5 Edit a Program Using Search and Replace A very useful tool in DirectSOFT 6 is the replace feature Replace is used to replace one element reference with the reference of another element To access this tool use one of the following procedures Search gt Replace on the Menu bar Ctrl R Hot Key or the Replace button on the Search toolbar The Replace dialog will appear as shown below which will allow you to define the search and replace procedure Replace Object Find what thru as with thru Add to table Update in eee Search Range Documentation fe All w Move f Rung i i C Copy C Address E jo C Leave 0k Cancel Heb Using the Object Section Begin by entering an element reference in the Find what field Enter an element reference in the thru field if there is a range of references to replace Leave this field blank if only one reference is involved Select whichever procedure is to be performed either Replace or Swap Choose replace to perform the replace function For example X1 to X12 Choose swap to swap the element references from one element to another For example X1 is swapped with X12 so X12 is now the former X1 element and X1 is the former X12 element Next enter the element reference to be replaced or swapped with in the With field The thru field is read only and wil
8. automatically use a default element address For example if the Cancel ES Ladder palette button for a normally open contact is used the Instruction Accept Green Editor dialog box appears with CO as Indicators the default This is changed to another sae vane address or nickname that meets the program requirements Click on the y to accept the entry the X or ESC to cancel the entry or on the element browser button magnifying glass to browse through the available element addresses or nicknames or press Enter to accept the entry Red indicators show not complete Multiple Parameter Instructions Some instructions such as timers counters and comparative boolean contacts require more than one element parameter For example for a CTA0 K5 timer enter the timer number and a preset value For a comparative boolean contact enter the memory location and the value to be compared When the Instruction Editor dialog box appears for these instructions the cursor appears in the first operand field Do not press Enter when you 1st Operand 2nd Operand a complete this entry Press the Tab key or click on the second field for the next entry For example if entering a comparative contact make the first entry and then press the Tab key to make the next entry To return to the first field press the Shift Tab keys or simply press the Tab key again and the cursor will wrap back around t
9. do these tasks The first step to cut copy or delete rungs is to select them with the 5 Shift Arrow keys The selected rungs will be highlighted default color is blue The following screen shows an example where a rung is selected to be either deleted cut or copied Ladder View TIP Use shortcuts to quickly select portions of the program Shift Home selects all rungs from the current rung to the beginning of the program Shift End selects all rungs from the current rung to the end of the program DirectSOFT 6 User Manual 1st Edition 5 21 Chapter 5 Edit a Program Deleting Rungs When deleting one or more rungs it is with the intention of removing the rung s from the program entirely Delete them by pressing the Delete keyboard function key or by using the Edit 5 Delete option from the Menu bar First select the rung or rungs to be deleted 5 22 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Copying Rungs A selected rung or rungs can be copied and pasted to another location in your program or to another open program in Edit mode by using the keyboard shortcut Ctrl C Edit gt Copy from the Menu bar or the Copy button on the Offline toolbar The original rungs will not be altered in any way When the rungs are copied they are placed in a temporary storage location called a clipboard File Edit Search View Tools PLC Debug Window Help J Undo Ctrl Z
10. Copy buttons will be grayed out on the Offline toolbar and on the Menu bar DirectSOFT 6 User Manual 1st Edition 5 31 Chapter 5 Edit a Program 0 Notes 5 32 DirectSOFT 6 User Manual 1st Edition
11. Merge Combine Rungs At times it may become necessary to combine two rungs into a single rung DirectSOFT 6 will allow you to merge the two rungs Once the two rungs are merged you will need to combine the components in the new rung through the normal edit process To use the merge feature position the Edit cursor on the rung that you intend to merge with the rung right before or after Next select Edit gt Merge then select Previous Rung or Next Rung You can also use the Merge Next or Merge Previous buttons in the Edit toolbar The rungs will be merged into one rung Both rung comments will be used as the rung comment for the newly merged rung See the example diagrams below o C et Merge Next EE DirectSOFT 6 Programming UNTITLED Ladder View b A File Edit Search View Tools PLC Debug Window Help 5 a gt Fl D Edit Mode aste ind 0d Not Browse ions OnTheWeb Help fault Close All Output Clear Output B1400 3 sr malAseuX x gt M B1400 3 RST i KU YO rte X4 e Rm I pe a tung 4 Comment Y10 d t Rungs 4 and 5 aur Ctrl F3 are to be tung 5 Comment ci merged pm JI Ctrl F2 Shift F2 2 4 Offline 00021 02048 05 0004 001 001 The screen below shows Rungs 4 and 5 merged renumbered as Rung 4 and ready to be edited Also note the original Rung 5 comment has been combined with the Rung 4 comment 1 gt x X14 YO Edit Mode
12. S AC Select manual Slot Addr In Out NewlD OldiD Description AA ka i l o fi r 29 29 DOOGAR AC 20p Rly16p E aadh Reati PLC configuration a ead from L 21 21 DO 06AR FO 044D 1 SES FF FF Empty 1 0 Slot i i FF FF Empty I O Slot FF FF Empty 1 0 Slot FF FF Empty 1 0 Slot FF FF Empty 1 0 Slot FF FF Empty 1 0 Slot After the manual configuration has been set save the configuration to the PLC and to the disk The disk and PLC icon buttons located in the right hand corner of the dialog allows the configuration to be either saved or read configuration Do not use manual configuration unless it is WARNING The majority of DirectLOGIC PLCs only require automatic absolutely necessary DirectSOFT 6 User Manual 1st Edition 5 3 Chapter 5 Edit a Program BT Referencing Program Elements Data Types Its good to know the various ways to refer to the different types of elements in the PLC If you have used the DirectLOGIC compatible products such as the T1305 T1405 or SIMATIC TI versions you are probably familiar with the way elements are represented The following table provides a complete list of the various data types and their meanings DL305C DL05 DL06 DL105 Type of Data DL330 DL340 CPU DL205 DL350 DL405 Input Points IO Output Points IO Control Relays C Stages S Timers T Timer current Counters CT Counters current Remote I O Points lO Data Registe
13. ccessing I O Points as Memory Locations values The current value for Timer TO is stored in VO This is not always easy to remember so DirectSOFT 6 allows you to refer to these as Use v memory Location either VO or TAO timer accumulated value for Timer O For example the accumulator for VO K100 Counter 3 is in CTA3 which is easier to gt remember than V1003 OR Aliases allow you to access I O points as V memory registers in a DL305C For example input points XO X17 in a DL405 are stored in LD 40400 X20 X37 are stored in V40401 etc VAAN VXO the alias can be used instead of V40400 the V memory location for X0 These are on 16 OR point boundaries so the next location is VX20 Use v memory Location VX40 VX60 etc For the DL305C you could represent I O points such as 1010 1017 with LD register location RIO10 V40401 For example you may want to read in a range of discrete input points to get a binary pattern into the CPU Use VX reference to I O accumulator The diagram shows two ways to reference the location NOTE Check the appropriate PLC user manual for a description of the accumulator and instructions required for this type of task DirectSOFT 6 User Manual 1st Edition 5 5 Chapter 5 Edit a Program Entering Program Instructions The Instruction Editor The Instruction Editor is a dialog used to enter element data for each type of instruction The diagram below shows the dialog in the
14. d a preset entry in the edit dialog The only entry to be made in the edit dialog is the counter timer address Refer to the PLC User Manual for a detailed discussion of how ES these timers work with their presets Ladder iew The TI330S T1325S DL330P counters timers do not have a preset field End Coil All of the instruction sets in DirectLOGIC PLCs and compatibles use an END coil as one of the instructions This may be a bit different for new users of DirectLOGIC PLCs The END coil is a marker to designate the end of a program Every DirectSOFT 6 program must have this instruction Like all coils the END coil is found in the Coil Instruction Browser Some programmers get confused at first and look for the END coil under the Standard Coil category and they fail to find it The END coil is located under the Program Control category since it ends the program Instruction Browser Box Coil Contact Coil Coil Class END All Coils The END coil is found under Program Control and not under the Standard Coil category ode Data lal upt routi placed after the End instruction The En it me interrupt routines are instruction is not conditional therefore no input contact is allowe DirectSOFT 6 User Manual 1st Edition 5 17 Chapter 5 Edit a Program 0 Setting and Resetting a Bit Several PLCs in the DirectLOGIC family have a feature that allows setting and resetting indivi
15. dual bits This is commonly called Bit of Word The PLCs which support this feature include the DL05 DLO6 DL250 1 DL260 and DL450 The DirectSOFT 6 instructions available for these PLCs offering Bit of Word include all of the STR AND OR and OUT instructions and all SET and RST instructions Notice SET and RST examples shown below the letter b precedes the memory location where the bit is to be manipulated in some way After the V memory address of the word use a decimal point and a number between O and 15 zero being the least significant bit to designate which bit is to be set For example b1400 3 is the fourth bit of V1400 Enter the letter b followed by the memory Ladder View address of the word containing the bit to be turned ON Use a decimal point plus a value between 0 and 15 to designate which bit to turn ON i e B1400 3 is the fourth bit of V1400 Ignore the second field Maly Jaux XxX And to reset the bit Use the same decimal point convention with the RST instruction x x D o a The same convention is used for the STR AND OR and OUT instructions not shown J NOTE The letter b can be entered in either lower case or upper case The end result will be an upper case B appearing in the program Using Floating Point Math Small low end PLCs typically allow the use of integers but do not allow the use of math containing decimal places The second
16. ere are times when you need to use a diagram that is often referred to as a midline output There are no special procedures required Enter the contacts and outputs as normal and use the Ctrl and arrow keys to draw the connecting lines Below is an example of how a midline output would appear 2222 NOTE There cannot be any additional logic on the rung between the J midline connecting point and the output See Compiling Errors at the end of this chapter Ladder View Deleting Connecting Lines Deleting lines is similar to creating lines Use the Edit gt Wire gt Delete options on the Menu bar or the keyboard Delete key to delete intructions and wires in all directions A quicker method is to use the Ctrl Shift Arrow keys to delete the lines Below is an example illustrating how to delete lines Ladder View In this example use Ctrl Shift lt to delete the instruction to the left of the cursor along with the connection wire 5 20 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Selecting Rungs for Deleting Cutting or Copying While developing the program there will be times when you will want to make revisions or correct mistakes Also there may be times when a rung needs to be moved cut and paste to another location in the program Or there may be a rung or rungs that you want to duplicate or repeat several times copy and paste The next three pages will illustrate how to
17. l be filled in as the replacement reference is entered The Add to table button is used to add the current object to the table which is used to perform multiple replacements at one time See the diagram on the following page The Update in table button is pressed if an object within the table needs to be edited This allows the replacement of the object in the table with the newly edited object DirectSOFT 6 User Manual 1st Edition 5 29 Chapter 5 Edit a Program BMMM The Search Range Section There are three range selections for the replace procedure 1 All will select the entire program as the replacement range 2 Rung will allow a certain range of rungs to be setup to perform the replacement 3 Address will allow a range of addresses to be entered addresses to be converted to rung boundaries to perform the replacement The Document Section 5 There are three ways to handle the documentation whenever elements are replaced or swapped 1 Move selecting this will move the documentation from the source element to the destination element 2 Copy this selection will copy the documentation from the source element to the destination element 3 Leave this will leave the documentation at the source element The Object Table Section The Object table shows all objects which have been added to the table of replacements To update an object selecting it from the table will place the object in the Object
18. ne hold down the Ctrl key and press the up arrow This will draw a line up to connect the line above Editing the rung can now be completed Edit a new line and enter Edit more contacts Use Ctrl up arrow to nor draw a line up Draw Rung Lines Key Stroke Function Ctrl Up Arrow Draw a vertical line up Ctrl Down Arrow Draw a vertical line down Ctrl Left Arrow Draw a horizontal line left Ctrl Right Arrow Draw a horizontal line right NOTE To delete lines press and hold Shift Ctrl then press the appropriate arrow key DirectSOFT 6 User Manual 1st Edition 5 13 Chapter 5 Edit a Program BMMM Entering Power Flow Instructions There are some instructions such as Master Control Relays MLR MLS FOR NEXT loops Stage Boxes SG ISG Program Control GOTO LBL INT SBR etc that offset the power rail or are inserted in the power rail of the ladder program A common mistake among new users of DirectSOFT 6 is to try and edit the offsets using the Ctrl Arrow line connector This will not work Actually DirectSOFT 6 will automatically perform the offset whenever the program is accepted compiled This will become clear through the examples on the immediate two pages For this example the FOR NEXT instruction will be used and the hot key F8 will be used to accept the program SP1 KB bes nn ror 2 Begin by entering nop the first part of the ES lo
19. normally closed contact is needed instead Position the cursor over the contact and type XO then press the key and enter Just reverse the steps to return the contact to a normally open contact Press the forward slash key mun NOTE The forward slash can also be used to switch between OUT Coils and OUT Boxes as well as cycling between the various rung inline comparison statements Equal Not Equal Greater than Less Than etc Here are two more shortcuts that can be used when entering elements in your program The first shortcut requires the Edit cursor to be placed on the rung where a NO contact is to be entered Type the element address and enter it The edit box will appear so you can either enter the address or change the contact to NC The other method is to double click on the rung where the element is to be placed Again the edit box will appear with a NO contact Enter the address and or change the contact to NC and press enter 5 12 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Entering Instructions in Parallel To enter instructions in parallel make normal contact entries similar to the below diagrams Two contacts have been entered on Rung 2 With the cursor located after the last contact entry press Enter The cursor will move down a space equivalent to a rung Make another contact or contact entries such as two more contacts in the illustation below Once this is do
20. nt Unit Preset values cannot be entered for CT674 CT677 via the timer counter entry dialog This presents a unique situation for DirectSOFT 6 because for these two CPUs DirectSOFT 6 will always show two input fields timer counter address and preset for all of its timers counters and makes no exception for these special cases The element can be entered in the ladder logic but the second field is ignored in the editor dialog The edit dialog will not allow a preset to be entered This Second field is intended for presets on all other timers counters and not these being discussed Once the address has been entered in the aforementioned timers counters just press enter to close the box The preset entry will be made via the D3 TCSU thumbwheels and the preset can only be viewed on the Setpoint Unit Ladder Yiew A preset cannot be entered for DL330 DL340 Timers Counters CT674 CT677 Leave the preset field blank 5 16 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program T1330S TI325S and DL330P Exceptions If you have a T1330S T1I325S or DL330P then the situation will be slightly different from the one explained on the previous page These CPUs do not allow presets for any of their counters timers via the edit dialog of DirectSOFT 6 It is sometimes confusing to users of previous versions DirectSOFT with other PLCs because of the preset entry The preset for the counters timers being discussed do not nee
21. o enter a normally 2 eg pen Cortec 2 opened input press F2 After the l we hot key has been pressed the aes Instruction Editor dialog will appear nop For the browse buttons the particular Instruction Browser will iw NMNG appear so the proper selection can l we 3 be made gram 00001 07680 06 DirectSOFT 6 User Manual 1st Edition 5 9 Chapter 5 Edit a Program BM Entering Instructions from the Menu Bar Instructions can also be entered using the Menu bar which will open the Instruction Browser Click on Edit and select the appropriate browser contact coil or box This will open the Instruction Browser as if one of the browse buttons had been pressed on the Ladder palette T DirectSOFT 6 Programming Test3 Ladder View an smn File Edit Search View Tools PLC Debug Window Help k w Q of A j P 100 bs Open Backup Edit Mode Accept i Browse Options OnTheWeb Help wh aan Delete Data Value Trend Mode Info Check Insert 1 HA Merge g a LXS Edit Mode Select MAIAJOYX X Contact Fa Coil Accept P Box Wire l d H Accept a EditMode Ctrl E JI Ctrl F2 jt Ctrl F3 1It Shift F2 Create or edit a Contact Online DSCBL 06 Program 00001 07680 06 0002 001 012 5 10 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Shortcuts for Entering Instructions Once
22. o the first field DirectSOFT 6 User Manual 1st Edition 5 7 Chapter 5 Edit a Program BMMM Using the Ladder Palette The Ladder Palette is always in view whenever the programming window is open in DirectSOFT 6 The palette becomes active when the Edit Mode button is pressed The palette is initially docked to the right of the Ladder view but when the palette is floating it can be positioned anywhere on the programming screen Using the Ladder palette is one of several ways to enter instructions First place the edit cursor on the rung where an element is to be placed Then click on the appropriate instruction on the Ladder palette If one of the contact buttons the top ten buttons on the palette a dialog box will appear to enter the parameters Ladder Palette Opening the Instruction Browser Some instructions do not have an element button on the Ladder palette To enter one of these instructions click on the appropriate browser button on the palette and select an instruction There are three buttons on the palette for browsing the contact coil and box instructions Clicking on any of the browse buttons will open the Instruction Browser as shown on the facing page This will allow selection of the correct instruction from the available lists The particular browser that appears is dependent on the button that is clicked Once a selection has been made and the OK button is pressed the
23. op the FOR nor instruction Use the special relay SP1 to ale activate the loop NoP Enter the parameter K8 to run the loop 8 times SP1 KB W_ARAA Ff For NOP Press the F8 key to accept the nop program Notice the offset of the nop power rail nop 5 14 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program SP1 Now enter the rungs within poose the loop offset End the offset loop by entering NEXT rung 4 NOP After the program has been accepted the power rail will show the offset aaa NOTE Refer to the PLC User Manual to learn how to use the Power Flow instructions Some of the instructions of this type may not be available for the PLC that is being used DirectSOFT 6 User Manual 1st Edition 5 15 Chapter 5 Edit a Program BMMM Entering Special Case Elements Some elements are special because they do not follow the usual rules i e 330S Timers Counters DL330 DL340 CT674 CT677 or they are entered in perhaps different ways than one might expect This will be discussed on this page and the following page If you have a DL330 DL340 or compatible PLC then you know the counters timers CT674 through CT677 cannot take software presets in the Same manner as all its other built in counters timers These counters timers are designed to have their presets entered via an external hardware device D3 TCSU Timer Counter Setpoi
24. re copied rungs are pasted This is only true for pasting a rung to an unconditional output that follows a Stage box Confirms that clamp has securely locked the partin place Blue 002 Clamp Locked x42 Press Down S3 Unconditional Output Control for downward movement of the arbor Red 001 Arbor Down 41 OUT CNT Lower arbor limit Part Parts counter has been pressed Incremented when the Blue 004 lower limit is reached Lower Limit FE elp press F1 Offline 00061702560 06 0011 09 When pasting the copied rung the unconditional output will be joined to the copied rung The following example shows the output now being controlled by a conditional input which was not the intent of the original program Confirms that clamp has securely locked the partin place Blue 002 Clamp Locked x42 Pross Down Output now joins the copied rung Move conveyor forward Part Delay Timer Index Conveyor S5 JMP Control for downward movement ofthe arbor Red 001 Arbor Down Y41 elp press F1 Offline i 00063 02560 06 0011 01 5 24 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Cut and Paste Rungs Selected rungs can be moved to a different location in your program by using one of these methods Edit 5 Cut from the Menu bar Cut button on the Offline toolbar or Ctrl X the keyboard shortcut The cut rung or rungs is stored on the clipboard
25. rogramming Test3 Ladder View File Edit Search View Tools PLC Debug Window Help L PA oi E Pili an 2 Wi Vek some 6o Em D Read Disk Write Disk New Op Find Browse Options OnTheWeb Help Link Setup ft Status Do Memory Map x E Ladder View E Tools 1 gt x 1 Bl PLC Modes Ctrl Shift R of oO pa OI 2 RY ConfigureVO Edit Mode 5 1 M NOP j Passwor d Fa Diagnostics gt Accept Gf Setu gt o 2 P ____ y NOP 5 5s Clear PLC Memory ka 9 Copy config data from PLC to Disk j 1 F2 3 BS Copy config data from Disk to PLC NOP LA F3 4 no Ctrl F2 5 no Ctrl F3 6 no Shift F2 7 nop xl 4 y Configure I O Information Online DSCBL 06 Program 00001 07680 06 0003 001 014 The Configure I O dialog pictured on the facing page will appear showing the automatic I O configuration by default If a CPU is being used that can be manually configured and the configuration needs to be changed click on the A next to the slot that is to be manually addressed The A will change to an M to allow the address to be changed 5 2 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Read from disk Save to disk Configure I O oy Sean NewlD OldID Description Nay Mey Save to PLC Base 03 1 0 Base Na tw a CPU 41 DO OBAR CPU Y 2 30 Power Supply 06 DO 06AR P
26. rs R Pointers to another V location N A Special Relays Uses special C locations Input Points as Registers RIO Output Points as Registers RIO Control Relays as Registers RC Timer Status Bits as Registers N A Counter Status Bits as Registers N A Remote I O as Registers RIO Special Relays as Registers RIO Timer current Values as Pointers N A to another V location Counter current Values as N A Pointers to another V location Constants K Octal Constants N A Bit of Word N A Pointer to Bit of Word N A 5 4 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Aliases Chapter 4 briefly mentioned the use of aliases to make some data references easier to understand By default they are displayed when you type their counterpart If it is desired not to have the aliases shown when editing a program they can be turned off in the Global dialog in the Options menu Below are examples which show how aliases are used NOTE These references are only used within DirectSOFT They cannot be used with the Handheld Programmers The actual instructions contained in the CPU will reflect the actual data type not the new reference Timer Counter Current Values Use UG Accumulator ererence The DLO5 DLO6 DL105 DL205 DL350 and DL405 CPUs use designated V memory TAO K100 locations to hold timer and counter current gt A
27. section so it can be edited Replace Object Object T able Find What x12 thru Replace C Swap With sel thru Search Range Documentation fe All Move C Rung fi i C Copy C Address lo E Leave Delete from table Cancel Help Use the Delete from table button to delete an entry from the Object table Press OK once all of the selections have been made on the dialog 5 30 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Common Mistakes It is not uncommon to make programming errors The fewer errors made the quicker a program can be completed Here are some of the more common errors Failure to Enter the Edit Mode Some new users will typically open a project and immediately try to edit a program Remember that you must enter the Edit Mode Entering the Edit Mode can be done in several ways Use either Edit gt Edit Mode Ctrl E or press the EDIT MODE button KE located on the Offline toolbar and on the Ladder palette When in the Edit Mode the cursor box will turn a solid color AND above a Join The rule is that after a wire has been drawn down on a rung of logic to AND a sub rung that contains a midline output no additional input logic may appear on the leg of the midline output Ladder View Forgetting to Select Rungs In order to Cut or Copy a rung or rungs the rungs must be selected use Shift up or down arrows If nothing is selected the Cut and
28. the programmer becomes familiar with DirectSOFT 6 the most common method for entering instructions is to position the cursor on the rung where the instruction is to be entered and type the element address i e X12 C22 Y14 etc For an instruction box type in the mnemonic i e LD OUT SET etc and the Token Selection Editor will appear for a proper selection Then press Enter WARS ES Ea NOTE Use the Ladder Palette the hot key equivalent or select the Coil or Box Browser to enter the OUT box instruction TIP The Token Selection Editor feature in DirectSOFT 6 supports Auto Complete with a drop down list of any matching instructions For example if a TM is typed over a NOP in the output column an TE Auto Complete entry of TMR will appear with a list of all output instructions beginning with TM including TMR TMRA TMRAF and TMRF After the proper instruction is selected and entered the proper Instruction box will appear to be completed with all the proper information So if you forget a mnemonic just enter the first couple of letters to see a list of possible instructions DirectSOFT 6 User Manual 1st Edition 5 11 Chapter 5 Edit a Program BMMM Entering NO and NC Contacts Another quick method for entering contacts is to use the forward slash to toggle between a normally open and a normally closed contact For example if XO was entered as a normally open contact and a
29. type of math just mentioned is called floating point math If the processor for your PLC supports floating point math i e DLO6 DL250 1 DL260 and DL450 it s a good idea to learn the conventions used for entering the floating point math elements and parameters Refer to the user manual for the PLC which you are using 5 18 DirectSOFT 6 User Manual 1st Edition Chapter 5 Edit a Program Drawing Deleting Connecting Lines A WARNING As you read this section pertaining to connecting lines be aware that elements that have not been connected will be deleted when compiling your program DirectSOFT 6 will display a warning if there are unconnected elements and asks if you wish to go back and connect the dangling instructions How to compile all edits is discussed at the end of this chapter Drawing the Lines Most programs contain a wide variety of rungs with complex series ES and parallel element connections Most any networks can be built by connecting the contacts outputs etc with horizontal and vertical lines Enter these lines refer to Page 5 13 by using the Ctrl key and the arrow keys For example press Ctrl to draw a vertical line from top to bottom or press Ctrl to draw a horizontal line from left to right Below is an example network containing combinations of series parallel elements DirectSOFT 6 User Manual 1st Edition 5 19 Chapter 5 Edit a Program 0 Create Midline Outputs Th
30. until it is pasted at a new location E DirectSOFT 6 Programming UNTITLED Ladder View File Edit Search View Tools PLC Debug Window Help 0 Edit Mode Accept Undo Ctrl Z ig ae Ctrlex Open Ctrl C E X Delete Data Sa z TileVert Arrange Default CloseAll Output Clear Output pl N x x pi a It Ctrl F2 Let Ctrl F3 It Shift F2 All M Copy the selection to the Clipboard ine 00004 02048 05 0002 001 001 The cut rungs are held on the clipboard until pasted to the new location with Edit gt Paste from the Menu bar the Paste button on the Offline toolbar or Ctrl V the keyboard shortcut The cut rungs will remain on the clipboard until pasted or a new rung is either cut or copied The clipboard will only hold one selection at a time To paste the rung or rungs to the new location place the cursor on the rung below where the rung will be inserted The rung will be inserted above the rung where the cursor was placed E Ladder View E X12 B1400 3 fal Af 1 NA ma set Edit Mode Rung 3 has been X1 x2 a rR moved to Rung 4 Et position and renumbered X14 YO B1400 3 rst 1r s co Y1 it me eo FF our am ka Shift F2 sA pr Hi For Help press Fl Offline 00023 02048 05 0004 001 001 DirectSOFT 6 User Manual 1st Edition 5 25 Chapter 5 Edit a Program B
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