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1. Apple or II Plus Computer HP IB Interface Interconnection Instructions Rurinmg the Test Program Apple Computer RS 232 C Interface Interconnection Instructions Running the Test Program COMPAQ is a registered trademark of Compaq Computer Corporation DESKPRO is a registered trademark of Compaq Computer Corporation BM is a registered trademark of International Business Machines Corporation Apple is a registered trademark of Apple Computer Inc vi TABLE OF CONTENTS Table of Contents Continued Chapter 3 Plotter Interconnection Continued Apple Macintosh Macintosh Plus II SE RS 232 Interface lt Ia Her eres da TEE 315 Interconnection Instructions 3 15 Testing Communication with BASIC 3 16 Commodore Amiga Personal Computers Serial Interface 347 Interconnection Instructions 347 Verifying Communication HP Series 200 Personal Technical Computer Interface t adi 3 20 Interconnection Instructions 3 20 Running the Test Program 3 21 HP Touchscreen Personal Computer HP 150 RS 232 C Interface ipe eue ge 3 22 Interconnecti
2. 1 2 6 RS 232 C interface Option 001 EE R r EA Rear Panel features Er CESAS 2 20 2 23 Resolution plotter EEr 2 4 Rotate function 2 12 516 SUBJECT INDEX Subject Index Continued S Continued Scaling AGL see AGL area Squeezing the iecore Rr a iere Deere 2 10 2 1 HP GL see HP GL points see Scaling points e eene 28 Scaling points see also 1 2 cursor control pushbuttons and 2 9 EIE ULIS 2 9 Setting up the plotter see Plotter Shipping ho PONDE Size pushbutton using the Stand alone operating environment Supplies ordering dae naar Symptoms and solutions see Pens u 2 92 2 26 User 2 4 View pushbutton error light and using the Voltage selecting SUBJECT INDEX SI 7 NOTES LO Baccano AE Manual Part Number 07475 90002 Printed in U S A September 1990
3. Pins 14 and 16 are wired only in the Y cable Part No HP 17455A used in eavesdrop configurations RS 232C INTERFACING 1 RS 232 C Cable Schematics The following cable schematics are for Hewlett Packard cables Connector Type 25 pin Computer End HP Part Number Plotter End 17255D 17255M or 13242G male Symmetrical either end may be connected to the plotter Other pins are connected in the 13242G but do not affect plotter operations 2 RS232C INTERFACING Part Number Connector Type Plotter End Computer End 17302A male 25 pin male 8 pin mini din 5 232 INTERFACING Connector 25 Part Number Plotter End Computer End 17355D male 17355M male female male Symmetrical either end may be connected to the plotter 4 RS 232 C INTERFACING Connector 25 pin HP Part Number Plotter End Computer End 17455A male male computer female terminal Computer Plotter Terminal pins 4 5 6 and 8 through 25 are directly connected between the computer and terminal connectors RS 232 CINTERFACING 5 Connector HP Part Number Plotter End 24542G male 25 pin female 9 pin Connector Type
4. 3 gt 5 B m zt 5 Do not include the power cord or other operating accessories with your plotter unless the problem relates to an accessory OWNER S INFORMATION 1 9 ANI ii NN 2 i li REB jj m Chapter 2 Plotter Operation Introduction In this chapter you will learn about programming languages the functions of each control and indicator the plotter s coordinate system and how to rotate the coordinate system You will also learn how to load pens and paper and how to determine that the plotter is functional Major Feature Locations The following illustration shows the locations of the major operating features The pen holder is shown at its power up position near the right limit of the drawing range The pen carousel is located on the left side of the plotter and holds up to six pens which can be accessed by the pen holder amp 5 The pinch wheels and grit covered drive wheels that move the paper back and forth across the platen are spaced to accommodate either ANSI A and B or ISO A4 and A3 size media The paper loading lever which raises and lowers the pinch wheels is located on the right side of the platen The operating controls and indicators are grouped on the front panel at the right side of the plotter Configuration and interface controls are located on the rear panel The controls
5. HP Part Number Plotter End Computer End 92219M male 25 pin male 9 pin 6 RS232 C INTERFACING Subject Index a AGL Graphics Language definition of scaling and Accessories available esee Tn 1 3 inventoEy NN 12 1 3 1 3 Apple Plus Computer HP IB plotter and 3 20 3 21 Apple Plus Computer RS 232 C plotter 9 18 3 19 Apple Computer plotter and 3 22 3 23 Apple Computer plotter and 3 22 323 Baud rate fur MEI 2 22 Switch sel ngs 222 ea pens es 2 23 Carousel initialization 2 29 loading the removing the sie 2 25 Cartesian coordinate system 2 4 Cleaning pen Carousel 18 plotter Commodore CBM 8032 Computer HP IB plotter and 3 24 3 25 Confidence test see Demonstration plot Configurations system a one esevi vito re cane 3 2 Controls configuration 22 22 Ta quee ende ees 2 14 front panel see Front panel interface E 2 14 Coordinate system Cartesian see Cartesian coordinate system default orientation of
6. and P2 NOTE Always set P1 first since P2 moves when 1 is moved 1 Using the cursor pushbuttons arrow pushbuttons position the pen at the new location chosen for P1 Press ENTER simultaneously with P1 to store the new location of P1 3 Using the cursor pushbuttons position the pen at the location chosen for P2 Press ENTER simultaneously with P2 to store the new location of P2 5 To check the new points press P1 then press P2 The pen should move to the new 1 point then to the new P2 point Preparing Equal Sized Plots Automatic positioning of P2 as is moved can be used advanta geously in applications such as preparing two equal sized plots on the same page This function is illustrated in the following diagram Use the procedure given for setting the scaling points to establish the first P1 P2 frame When plotting is completed set the new position for P1 for the second plot P2 moves proportionately and automatically estab lishes an equal sized P1 P2 frame for the second plot PLOTTER OPERATION 2 9 Preparing Equal Sized Plots Squeezing the Scaling Area When a P1 P2 frame is established within the plotting area and then 1 is moved so that P2 intersects the hard clip limits a new P1 P2 frame is established at the point of intersection This feature is illus trated as follows DETAIL A Illustrates the initial P1 P2 frame DETAIL Illustrates moving to a new position P2 mo
7. eere ener 26 Origin location of eeu eau arie 25 orientationof 25 papersizeand 2 5 2 6 2 7 nj MeL 2 4 2 13 SUBJECTINDEX 511 Subject Index Continued C Continued Coordinate system Cartesian see Cartesian coordinate system default orientation of 2 6 origin location ire ain nd 25 orientation of 2 5 papersmeanhd 2 5 2 6 2 7 jo 2 4 2 13 Paper Size and 2 5 2 6 27 rotating the tese 2 12 2 14 D Y programmed on off switch 2 21 Default input windOws SE FET URN eI eee xS 25 orientaton coordinate system see Coordinate system PIPA location 2 5 2 7 216 power up conditions see Power up Demonstration plot nies sb eee esperes 2 31 2 32 2 20 Documentation plotter 1 1 Eavesdrop operating environment Endline standalone operating environment Enter pushbutton digitizing and the eher 2 20 Fast pushbutton interaction with 2 22 paper size lights and 2 18 Paper Size pushbutton interaction with 2 19 2 22 2 26 Pen pushbuttons interaction with 2 20 Setting PI P2and the ict errore etn 2 16 2 20 usin
8. Plotting mode PA Absolute plotter units Rotation RO 0 degree default orientation Line type LT Solid line Line pattern length LTn 4 4 of the diagonal distance between P1 and P2 Pen state PU Up Pen velocity VS 38 1 cm s 15 in s Scaling SC Off XY coordinates in plotter units Input window IW Set to hard clip limits Chord angle 5 degrees Symbol mode SM Off Digitize clear DC Digitize mode off Tick length TI tp 0 5 of P2x P1x for Y tick and 0 5 of P2y Ply for X tick Mask value 1 223 0 0 Allerrors recognized no service request and no parallel poll response Fill type FT Type 1 solid bidirectional shading Fill spacing FT 196 of the diagonal distance between 1 and P2 used only for fill type 3 or 4 Fill angle FT O degree Pen thickness PT 0 3 mm fill spacing for solid fill types 1 and 2 Label origin Current pen location Relative character DR1 0 Horizontal along X axis direction Relative character SR Width 0 75 of P2x P1x size Height 1 5 of P2y Ply Character slant SLO 0 degree Label terminator DTD ETX ASCII decimal equivalent 3 Character set SS Standard selected Standard character CS0 Set 0 set Alternate character CAO Set 0 set PLOTTER OPERATLON The Demonstration Plot Confidence Test The plotter has a built in demonstration plot that will run on any size paper However the plo
9. graphics charts and quick check plots 38 cm s Glossy Excellent Good quality Not Plotter Paper quality for 10 cm s recommended presentations reports and handouts Vivid pro fessional results 10 cm s Transparency Not Excellent Not Plotter Film recommended quality for recommended overhead presentations and overlays 10 cm s Double matte Not Not Excellent Polyester recommended recommen ded quality Film Sharp uni form lines Good contrast for reproduc tions 15 cm s SELECTING PENS AND MEDIA 4 5 NOTES Appendix A RS 232 C CCITT V 24 Interface Information Introduction The RS 232 C interface is a standard serial interface compatible with many computers and terminals This appendix provides a summary of RS 232 C interface specifications including pin allocations and cable schematics RS 232 C Pin Allocations The plotter interfaces to the RS 232 C communications lines through a standard 25 pin female connector Connector pin allocations are identi fied and described in the following table Wire Signal Name Pin RS 232 C CCITT V 24 Protective Ground 1 AA 101 Transmitted Data 2 BA 103 Received Data 3 BB 104 Request to Send 4 CA 105 Clear to Send 5 CB 106 Data Set Ready 6 cc 107 Signal Ground 7 AB 102 Data Carrier Detect 8 CF 109 Secondary Transmit Data 14 SBA 118 Secondary Receive Data 16 SBB 119 Data Terminal Ready 20 108 2
10. if the unit is received in a damaged condition Please check to ensure that you have received all of the items that should accompany the plotter Refer to the table of Accessories Supplied and check that all accessories are present If you have any difficulties with the plotter if it is not operating properly or if accessories are missing contact the nearest HP Sales and Support Office or authorized HP dealer Retain the original packing materials and carton If the plotter must be shipped this will save having to order new packing materials and a carton from HP 1 2 OWNER S INFORMATION Accessories Supplied The following items are supplied with each 7475A plotter Item Quantity Part Number Operation and Interconnection Manual 1 07475 90002 z Reference Card 1 074 75 90004 5 Customer Survey Card 1 5958 2664 8 HP Field Repair Centers 1 5957 2658 5 Sales and Support Offices 1 5955 7441 8 Power cord appropriate cord supplied 1 based on origin of sales order Fiber tip carousel 1 5061 5080 Assorted pen and media samples Accessories Available The following items are available and can be purchased using the appropriate part number For information on available pen and media supplies refer to the Supplies and Cables brochure shipped with your plotter Item Part Number Service Manual 07475 90000 Interfacing and Programming Manual 07475 90001 Carrying case not suitabl
11. oo ee PE 1 U 1 0 4 0 1 21 25 19 Reserved for HP Desktop 6 V 1 0 1 1 0 22 26 Computer 7 1 0 4 4 23 27 Address 8 X 1 1 0 0 0 24 30 9 Y 1 1 0 0 1 25 31 7 101 0 26 32 1 6 4 27 33 lt N 1 1 1 0 g 28 34 1 d do 29 35 gt 1 i 1 4 30 36 EH 7 1 1 11 3 Sets Listen L only Mode Setting Up the Plotter Setting up your plotter is a simple procedure which consists of loading pens into the carousel loading the carousel and plotting medium into the plotter and turning on the plotter The following paragraphs 2 24 PLOTTER OPERATION describe these procedures and include instructions for choosing the correct pen and medium combinations Choosing the Correct Pen and Medium To obtain plots of the highest quality it is important to use pens and media that are matched to your application Two types of fiber tip pens are recommended one for plotter paper and one for transparency film The top of each pen is marked in a color that matches the pen s ink with a three character code The first character denotes the media on which the pen is designed to draw The P is for plotter paper T is for transparency film The second and third characters specify in millimetres the approximate line width that the pen will draw Loading Pens and the Carousel The following procedure describes how to load pens into th
12. so be sure the plotter is turned off before changing the switch settings SET TO US POSITION FOR A ANDB PAPER OR TO MET FOR A4 AND A3 PAPER SET TO A4 FOR A AND A4 PAPER OR TO A3 FOR B AND A3 PAPER 2 Ei B4 B2 RITY o El BAUD cu SET B4 AND B2 TO 1 AND B3 AND SET 51 TO 0 FOR B1 TO 0 FOR 9600 BAUD RATE NO PARITY SETTING SET TO POSITION FOR ENDLINE OF S2 IS IRRELEVANT OPERATING ENVIRONMENT 3 Turn on the plotter and boot up the Amiga using your working copy of the Workbench operation system 4 Run the Printer utility in the Workbench Preferences drawer refer to Commodore s Workbench documentation From the Printer main menu select the Seriat interface Save your settings and return to the Preferences drawer Set the Amiga s serial port settings as follows refer to Commo dore s Workbench documentation a Double click on the Serial icon in the Preferences drawer b Select thefollowing settings Baud Rate 9600 Read Bits 8 g Stop Bits 1 5 Handshaking RTS CTS Buffer Size 512 may be adjusted as needed Write Bits 8 Parity None c Save your settings and return to the Workbench 3 18 PLOTTER INTERCONNECTION Verifying Communication 1 From Workbench open the Utilities drawer Start the Notepad application by double clicking on the Notepad icon 2 Type the following HP GL commands uppercase only into Notepad IN SP1 5
13. 4 SUBJECT INDEX Subject Index Continued Continued Paper see also Media glossy plotters T AET holding initialization and loading see Media non glossy plotter size lights Enter pushbutton and Size pushbutton using size settings Parity switches nente erectae Pen carousel cleaning see Cleaning holder Errorlight and U D up down pushbutton Pens choosing theicorrect lt lt ceded Ee 2 25 ciate ralis ier ius 4 1 4 5 ifiber tip papers RETE 4 1 4 5 US 2 25 2 26 mediaand n oim 4 5 pushb ttons se 2 17 2 29 selecting 15 59 eus 4 1 4 5 symptoms and solutions for 4 2 4 3 tANSPATENCY ee 2 25 4 1 4 4 2 25 4 1 Pinch wheel positioning th 2 2 26 2 27 Plots preparing equal sized 2 9 2 10 Plotter address 2 23 2 24 3 4 controls and indicators 2 14 2 20 coordinate system see Coordinat default 2 2 2 30 documentation initialization interconnect
14. ADDRESS CHARACTERS FOR LISTEN AND E FOR TALK SET TO A4 FOR A AND A4 PAPER OR TO A3 FOR B AND A3 PAPER 3 Configure your computer system as follows Refer to your computer documentation if you have difficulty with this step a Load the MS DOS System Disc Touch DEVICE CONFIG Then touch START APPLIC to display the device configuration screen b Touch the PLT field then usethe NEXTCHOICE key to select PLT 5 Touch SAVE CONFIG to save the configuration c Press EXIT CONFIG key to return to P A M Running the Test Program To test the computer plotter interface turn on your computer and plotter load pens and paper and enter and run the following BASIC program If you need help entering and running the program refer to your computer documentation B 2 gt 2 Your plotter will select pen 1 and print COMMUNICATION 3 26 PLOTTER INTERCONNECTION Set the plotter switches the back panel as shown by the following diagram SET TO US POSITION FOR A AND B PAPER OR TO MET FOR 4 PAPER SET TO A4 FOR A AND A4PAPER OR TO A3 FOR B AND A3 PAPER SETB4ANDB2 TO 1 AND 1 TO 0 FOR 9600 BAUD RATE SET S1 TO 0 FOR NO PARITY SETTING OF S2 IS IRRELEVANT SET TO POSITION D FOR ENDLINE OPERATING SYSTEM Set the DEC 100 s printer port configuration as follows Press the Set Up key then press the Next Screen
15. Apple or II Plus HP 17355 Apple Super Serial Card Apple Part No A2B0044 Interconnection Instructions 1 Install the Apple Super Serial Card as follows refer to your com puter documentation for details a Set the two banks of switches on the serial card as shown here 2 3 4 5 6 7 swi Off On Off On Off On On sw2 On Off Off On Off Off Off b With your computer unplugged install the serial card in slot 2 of the computer Make sure that the arrow on the card s jumper block is pointing toward the word TERMINAL azi S 5 Q amp ES 3 PLOTTER INTERCONNECTION 3 7 2 With your plotter and computer turned off connect the plotter to the computer using the RS 232 C cable as shown below Either end of the cable can be connected to the plotter or the connector on the installed serial card port 2 The following illustration shows an Apple Monitor power cord Plotter Video power cable Computer RS 232 C cord power cable cord 3 Set the switches on the rear panel of your plotter as shown in the following diagram Your plotter checks the switch settings only when you turn it on so be sure the plotter is turned off before changing switch settings You are not limited to a 2400 baud rate but the plotter s baud rate and the baud rate on your serial card must match SET TO US POSITION FOR A AND B PAPER
16. OR TO MET FOR A4 AND A3 PAPER SET TO A4 FOR A AND A4 PAPER OR TO A3 FOR B AND A3 PAPER por z O PARITY BAUD SET B4 TO 1 AND B1 B2 AND B3 0 FOR 2400 BAUD RATE SET S1 TO 0 FOR NO PARITY SETTING SET TO POSITION D FOR ENDLINE OF S2 IS IRRELEVANT OPERATING ENVIRONMENT 3 8 PLOTTERINTERCONNECTION Running the Test Program To test the computer plotter interface turn on your computer and plot ter load pens and paper and enter and run the following BASIC pro gram If you need help entering and running the program refer to your computer documentation 10 PR82 1 82 20 PRINT CHR 27 50 3 13 13 30 PRINT IN OI 40 INPUT 10 50 PRINT SP1 PA500 500 50 PRINT L8 IO0 COMMUNICATION OK CHRS 3 70 PRINT 0 0 5 0 BO PRSO INSO 90 END Your plotter will select pen 1 and print 7475A COMMUNICATION OK za 5 2 8 5 PLOTTER INTERCONNECTION 3 9 2 2 a Apple or Plus Computer HP IB Interface Computer Cable Apple or II Plus HP 10833A B C or D Apple IEEE 488 Card Interconnection Instructions 1 Install the Apple IEEE 488 Card into Slot 3 refer to your com puter documentation for details 2 With your plotter and computer turned off connect the plotter to the computer using the HP IB cable as shown below
17. Scaling Points ENTER FAST Rotates the coordinate system 90 degrees from its current state Refer to the section in this chapter entitled Rotating the Coordinate System ENTER Stores the pen currently held in the pen holder into the corresponding num bered carousel location if possible The pen holder then returns to its previous location ENTER view Resets all power up default conditions This is the same as turning the power off and then on again NOTE If the pen holder is moved manually or an obstruction is encountered the servo motors become inoperative and the ERROR light starts blinking In this case the plotter will not respond to ENTER VIEW or any other front panel control The only way to correct this situation is to remove the obstruction and cycle the LINE switch to OFF then ON again ENTER digitizing The current paper size light B A3 or A A4 will blink when the plotter receives the HP GL instruction DP This blink ing light indicates the digitizing mode is ini tiated and the pen should be moved to the point to be digitized If ENTER is then pressed the paper size light stops blinking and the actual X and Y coordinates of the point and the pen status up or down are stored in the plotter s output buffer This data is output to the computer when the plotter receives the HP GL instruction OD Refer to the Interfac ing and Programming Manual for complete digitizing inst
18. Selection 5 1 m iouis er eu 14 Fuse Protection ever t ere I Ic RR sates 15 Grounding Requirements 15 Power eise 15 Operator Maintenance General Cleaning 1 7 Carousel Cleaning 18 Shipment sso araar aan ere egi 18 Chapter 2 Plotter Operation 21 Introduction tei 2 1 Major Feature 2 1 Introduction to Programming Languages 2 2 What s a Program eterne 2 2 What Programming Languages Do I Use 23 A Graphics Language 23 HP GL Hewlett Packard Graphics Language 23 Introduction to the Plotter Coordinate System 2 4 Coordinate System Orientation erre eene rns ae The Scaling Points Pl and HPGL Scaling 3 5 uio AGL Scaling See ETT Setting the Scaling Points Preparing Equal Sized Plots Squeezing the Scaling Area Rotating the Coordinate System Controls and Indicators and Their Functions 5 Front Panel 2 2 RR Ur Pe iR Rear EEEE TNR TABL
19. The Scaling Points P1 and P2 On power up the default location of scaling point 1 is in the lower left corner of A A4 size paper or in the upper left corner of B A3 size paper In each case the default location of scaling point P2 is in the corner opposite from Pl The exact default coordinate locations of scaling points 1 and P2 are shown the following table in plotter units for the different paper sizes These default coordinate values define oppo site corners of a rectangular area that is centered on the associated size of paper Regardless of its size the rectangular area defined by 1 and P2 will hereafter be referred to as the P1 P2 frame Default Coordinate Values for Scaling Points P1 and P2 Default Sealing Points Plotter Units Paper Size P1x Ply P2x P2y 250 596 10250 7796 5 4 603 521 10603 7721 E B 522 259 15722 10259 170 602 15370 10602 A HP GL Scaling Scaling points P1 and P2 can be used in conjunction with the HP GL instruction SC to enable you to plot in user units that are convenient to your application The size of the user unit is determined by the phys ical dimensions of the P1 P2 frame and by the parameters of the SC instruction These parameters assign user unit coordinates to P1 and P2 and divide scale the entire plotting area not just the P1 P2 frame into a user unit grid Grid spacing can be anisotropic unequal in X and Y or isotropic equal in X
20. The following illustration shows an Apple Monitor power cord HP IB Plotter Video cable Computer cable power cord 3 10 PLOTTER INTERCONNECTION 3 Set the HP IB switches the rear panel of your plotter as shown in the following diagram Your plotter checks the switch settings only when you turn it on so be sure the plotter is turned off before changing switch settings SET TO US POSITION FOR A AND B PAPER OR TO MET POSITION FOR A4 AND A3 PAPER ADDRESS SET S1 AND 4 TO 1 AND 2 8 AND 16 TO 0 FOR PLOTTER ADDRESS 5 EQUIVALENT TO PLOTTER ADDRESS CHARACTERS FOR LISTEN AND E FOR TALK SET TO A4 FOR A AND A4 PAPER OR TO A3 FOR B AND A3 PAPER Running the Test Program To test the computer plotter interface turn on your computer and plotter load pens and paper and enter and run the following BASIC program If you need help entering and running the program refer to your computer documentation 10 3 INM 3 20 PRINT CHR 26 30 PRINT IN SP1 PR500 500 40 PRINT LBCOMMUNICRTION CHR 3 50 PRINT PRO 0 SPO 60 PRINT CHR 13 70 PR IN 0 80 END 5 uoroeuuc Your plotter will select 1 and print 7475 COMMUNICATION OK PLOTTER INTERCONNECTION 3 11 o Apple Computer RS 232 C Interface Computer Cable Apple III Unit Apple Modem Eliminator Cable Apple
21. and Y and each axis can have a different number of user units For example the HP GL instruction 5 0 12 0 1000 scales the P1 P2 frame into 12 user units in the X axis representing months and into 1000 user units in the Y axis represent ing total sales in dollars Scaling points 1 and P2 retain the assigned user unit values until scaling is turned off or another SC instruction redefines their user unit coordinate values Therefore the size of a user unit will change with any change in the distance between P1 and P2 This feature allows you to fit the same plot on any size of paper PLOTTER OPERATION 2 7 12004 1100 1000 2 900 12 1000 800 700 SALES 600 Y AXIS 500 400 MONTHS 200 CAXIS User Unit Scaling AGL Scaling Scaling points P1 and P2 can also be used in conjunction with AGL and some prepackaged software to establish software hard clip plot ting limits In AGL the PLOTTER IS statement causes the plotter to output the current coordinate locations of 1 and P2 in plotter units The computer interprets the area defined by P1 and P2 as the maxi mum software hard clip plotting limits Regardless of the size of the software hard clip plotting limits the shortest side is scaled from 0 to 100 GDUs graphic display units The longest side is scaled from 0 to 100 GDUS times the ratio of the longest side divided by the shortest side Thus a square plotting area will have 100 G
22. key three times to display the Printer set up Use the arrow keys to change the screen to read 8N DATA B P and 9600 XMIT RCV BAUD Communication Verification Load pens and paper and run the following MBASIC program 10 LPRINT IN 20 LPRINT CHR 27 180 0317 30 LPRINT CHR 27 NO 18 40 LPRINT 5 1 500 50 LPRINT LBCOMMUNICATION LPRINT SPO 0 END g 5 Plotter labels COMMUNICATION uonoeuuc PLOTTERINTERCONNECTION 3 27 Chapter 4 Selecting Pens and Media Introduction This chapter describes the pens and media that can be used with your plotter and how to combine them for best results For the highest quality plots use only Hewlett Packard supplies Hewlett Packard pens and media work together for optimal pen life plot quality and plotter performance The chemical reaction between the pens and media is tested to ensure that fading and color changes are minimized The smoothness of HP paper reduces abrasion on pen tips and produces a sharp crisp ink line The Supplies and Cables brochure shipped with your plotter gives part numbers and ordering information for Hewlett Packard pens and media Pens Your plotter can use fiber tip paper pens transparency pens and short body refillable drafting pens Fiber tip paper and transparency pens are available in vivid matching colors for duplicating paper and
23. of output you desire consult the following table It will help you diagnose and correct output problems Symptoms and Solutions Problem Possible Cause Solution Pen does not Pen is clogged Clean the pen write Cleaning wire is Replace the point bent Beginning of a line does not Ink is starting to dry in the tip Before plotting draw lines by show hand dip tip in water or use a syringe Pen skips or Pen is partially Clean the pen drags blocked and the boot There is oil on the Replace the medium sheet keep hands clean handle sheets along the edges Pen tip clogs Tip is worn out Replace the tip frequently Point is too fine Do not use 0 18 mm and 0 25 mm points 4 2 SELECTING PENS AND MEDIA Symptoms and Solutions Continued Problem Possible Cause Solution There is static Reduce pen buildup on the speed increase medium humidity use static resistant film or another medium Ink leaks Internal airflow is Clean the pen between the point obstructed or vent and adaptor is clogged Pen tips wear out Film surface is Use HP film rapidly abrasive Lines look Pen tip is If the tip is not wavy damaged centered replace Plotter may need it If wavy lines are adjustment not caused by a damaged pen contact an HP service representative Line width is not Pen is dirty C
24. overhead graphics The following table describes each pen type Pen Type Characteristics Fiber tip paper Easy to use economic Even ink flow produces high quality characters and opaque lines Disposable Fiber tip transparency Easy to use economic Extra dye pro duces strong colors for overhead pro jection Water based Disposable Short body drafting Produces highest quality lines Long lasting tungsten carbide points Re quires refilling and maintenance SELECTING PENS AND MEDIA 4 1 Fiber tip pens will last at least 30 days stored in the carousel However if you do not plan to plot for several days remove the pens from the carousel and cap them to ensure a longer pen life Remove drafting pens and cap them immediately after use to prevent drying and clogging Drafting pens require cleaning after each use Remember that ink dries as quickly in the drafting pen as it does on the plotting media Here are the maximum times that ink can remain in a drafting pen in an average environment 2 2 n o 2 20 seconds if the is uncapped and not in use One day if the pen is in a drafting pen carousel One week if the pen is properly capped and stored in a horizontal position Symptoms and Solutions Drafting pens provide the highest quality lines available on the plotter If you are not getting the quality
25. pushbutton moves the pen in the direction of the arrow b Pressing adjacent cursor pushbuttons moves the pen at a 45 degree diagonal between the two arrow directions c When FAST is pressed in conjunction with any cursor pushbutton cursor speed is four times greater d Pressing FAST by itself pauses plotting as long as the pushbutton is held down NOTE Pressing any cursor pushbutton during plotting will pause the plot and perform the appropriate cursor motion Plotting will resume at the new location when the cursor pushbutton is released ENTER This multi purpose pushbutton is used for changing paper size and the locations of scaling points P1 or P2 rotating the coor dinate system storing the currently held pen resetting the plotter to power up default con ditions and digitizing The enter function is non latching This means the ENTER pushbutton must be pressed simul taneously with one of the following push buttons to initiate the defined action ENTER SIZE Selects the alternate paper size and initiates the actions defined for the SIZE pushbutton PLOTTER OPERATION 2 19 m A 3 o Rear Panel 2 20 PLOTTER OPERATION ENTER 1 2 Defines the current pen loca tion as the new P1 or 2 scaling point member to set P1 first since P2 moves when P1 is moved Refer to the section in this chapter entitled Setting the
26. the pathname DI RS232 DRIVER and press the RETURN key Reinsert the System Utilities disc and press the ESCAPE key c Select EDIT DRIVER PARAMETERS Then select the number cor responding to RS232 and press the RETURN key d Select CONFIG BLOCK DATA then enter the following values to set the driver to 2400 baud 7 data bits space for parity and hardwire handshaking me 5 5 5 f 3 Bye 0 1 234 567 89 A B Value OA 2 00 00 00 00 00 00 00 00 00 80 Press ESCAPE three times to return to the System Configuration Menu Select READ A DRIVER FILE and read the other driver files by specifying pathname D1 SOS DRIVER Press ESCAPE to return to System Configuration Menu Then select GENERATE NEW SYSTEM PLOTTER INTERCONNECTION 3 13 Load the copy of the Apple Business BASIC disc and enter D1 SOS DRIVER as the new driver filename This loads the new system configuration on the BASIC disc Select DELETE to delete any old system configuration Running the Test Program To test the computer plotter interface turn on your computer and plotter load pens and paper and enter and run the following BASIC program If you need help entering and running the program refer to your computer documentation 10 OPEN 0 1 20 PRINT 1 5 1 500 30 PRINT 1 LBCOMMUNICATION 3 40 PRINT 1 0 SPO SO END Your plotter will select 1 and print 7475
27. these steps 1 At the DOS prompt type the following substitute COM2 for COMI if necessary and press ENTER MODE COM1 9600 N 8 1 P This sets the RS 232 C port for 9600 baud no parity 8 data bits one stop bit and continuous error checking 2 Type the following substitute COM2 for COM1 if necessary and press ENTER ECHO IN SP1 PA 0 PD 1500 1500 1500 0 0 5 gt 1 The plotter selects pen 1 draws a triangle on the page and returns the pen to the carousel Testing Communication with BASIC To test the computer plotter interface turn on your computer and plotter load pens and paper then follow these steps 1 At the DOS prompt type the following substitute COM2 for COMI if necessary and press ENTER MODE 0 1 96060 8 1 This sets the RS 282 C port for 9600 baud no parity 8 data bits one stop bit and continuous error checking 2 Enter and run the following BASIC program substitute COM2 for COMI if necessary If you need help entering and running the program refer to your computer documentation 10 OPEN 0 1 3600 8 1 85 0565535 05 007 AS HL 20 PRINT H1 IN OI 30 INPUT H1 10 40 PRINT H1 SP1 PA500 500 50 PRINT LBE I0 H PLOTTER FCHR 3 PRINT 1 PAO 6 SP6 20 END Your plotter selects pen 1 and prints 9 6 PLOTTER INTERCONNECTION Apple or II Plus Computer RS 232 C Interface Computer Cable
28. to the PAPER HOLD 1 position This lowers the pinch wheels to secure the paper and allow it free movement PL TTER OPERATION 2 27 Q 5 a 7475 42 1 Loading A A4 Size Paper 7475 43 1 Loading Size Paper Turning On the Power The plotter performs an initialization cycle when ac power is applied The initialization cycle sets all plotter functions to their default condi tions conditions assumed by the plotter in the absence of an actual instruction Apply power to the plotter as follows 1 Using the power cord supplied connect the plotter to a grounded three wire ac outlet 2 28 PLOTTER OPERATION CAUTION To prevent possible damage ensure the plotter is prop erly configured for the line voltage in your area Refer to Input Power Requirements Chapter 1 2 Set the LINE switch to on The following power up initialization will occur The light turns on momentarily NOTE if the paper loading lever is in the PAPER LOAD position the ERROR light turns on momentarily then turns on steadily when the power up initialization cycle is completed 8 b The plotter assumes a new piece of paper has been loaded checks the settings of the paper size switches and performs the necessary pen holder movements to initialize the X and Y coordinate axes The pen holder is then positioned at the right hard clip limit c In addition to establishing the appropriate ha
29. two paper size lights is always on these lights also serve as power on indicators Also note that the current paper size light will blink whenever the plotter receives the HP GL instruction DP This indicates a point can be digitized using the ENTER pushbutton s ze Pressing the s ze pushbutton simul taneously with the ENTER pushbutton selects the alternate paper size The following actions occur each time a new paper size is selected a The size status indicated by the and A A4 lights is reversed b The plotter assumes a new piece of paper is loaded and the pen holder lifts and moves to the extreme right c The equivalent of executing an HP GL DF instruction establishes default conditions d P1 and P2 are set to their default coordi nate locations e The input window is set to the new hard clip limits NOTE The state of the rotate function is not affected 10 VIEW ENTER view Pressing this latching pushbutton turns on the ERROR light suspends plotting raises the pen and moves the paper so it is fully extended In this state you can manually sub stitute pens and view the entire plotting area Pressing the pushbutton again turns off the ERROR light returns the pen to its previous coordinates and status up or down and plot ting resumes FAST These five cursor pushbuttons are used to move the pen within the hard clip limits as follows a Pressing a cursor
30. 0 7475 Graphics Plotter Operation and Interconnection Manual OPERATION 7475A AND Graphics Plotter INTERCONNECTION MANUAL Getting Help Hewlett Packard has support services available to help you in case you have a problem with your HP 7475A graphics plotter Following are suggestions of places to turn for this support Before you call for customer support make sure you do the following 1 Review the I ve Done Everthing You ve Said and It Still Doesn t Work section of Chapter 3 in this Operation and Interconnec tion Manual 2 Perform the built in Demonstration Plot Confidence Test in Chapter 1 3 Make sure you are using the correct interface cable and dip switch settings as explained in Chapter 3 and Appendix A 4 Check with your software vendor for help Your Dealer If you still have difficulty begin by contacting the person from whom you purchased your HP 7475A graphics plotter Your sales representa tive is familiar with your needs equipment and software and should be able to provide you with the information you want HP 7475A Graphics Plotter Customer Assist If you don t get the answer to your questions from your dealer or sales representative Hewlett Packard has an HP 7475A Graphics Plotter Customer Assist service available to you The HP 7475A Assist staff can provide you with help by answering questions on topics such as setting up your plotter an
31. 2 and the physical size of the input window Whether invoked manually or programmatically rotations are not cumulative and the rotate function can only be toggled on or off When the 90 degree rotate function is invoked with the ENTER FAST buttons the default input window remains coincident with the hard clip limits and 1 and P2 assume new rotated default coordinate loca tions inside the hard clip limits These new P1 P2 values are shown in the following table Note that the physical location and size of the P1 P2 frame are not affected by the front panel rotate function Rotated Default Coordinate Values for Scaling Points and P2 Rotated Default Scaling Points Plotter Units Paper Size P2x P2y A 154 244 7354 10 244 4 0 610 7200 10610 283 934 10283 16 134 A3 607 797 10607 15997 When the 90 degree rotate function is invoked with an RO90 instruc tion P1 and P2 retain their current coordinate values and may therefore be rotated outside the hard clip limits as shown in the following illus tration The default input window is also rotated but its physical size is clipped to a square area by the hard clip limits Note that the input window limits programmed pen motion to the window area but the pen can still be moved anywhere within the hard clip limits using the front panel cursor buttons The input window can be expanded to the hard clip limits and P1 and P2 can be defaulted to the
32. A3 After power is turned on paper size can be toggled between A and or A4 and sizes using the front panel ENTER SIZE push buttons 7 BAUD These four rocker switches are used to select a baud rate which corresponds with your computer s data transmission rate The baud rate is selected by setting switches B1 through to the appropriate binary bit posi tions defined in the following table When set to external the baud rate is generated by an external clock connection at pin 17 of the RS 232 C CCITT V 24 connector For specifi cations of the external clock refer to Chapter 10 in the Interfacing and Programming Manual 19 IMMO a n 2 22 PLOTTER OPERATION Stop Bit Two Stop Bits Baud 7T Rate 4 B3 B2 B1 B4 B3 B2 B1 Extend 0 0 0 0 75 5 1 0 0 0 1 110 010 1 0 150 0 0 1 1 200 0 11 01 0 300 QI LO 1 1 600 2121 oy 1 0 1200 OVE Ley 1 0711 2400 010 4800 Lg s 9600 1 0 1 0 1 1 1 1 1 Option 002 HP IB 20 This 24 pin HP IB connector is used to connect the plotter to host computer or other HP IB device 21 US MET and A4 A3 These two rocker switches are common to the and RS 232 C inter face options Refer to the Option 001 RS 232 C CCITT V 24 contr
33. COMMUNICATION OK o 2 L A 3 14 PLOTTER INTERCONNECTION Apple Macintosh Macintosh Plus II SE RS 232 C Interface Computer Cable Apple Macintosh Computer 92219M Apple Macintosh Plus HP 17302A Apple Macintosh II HP 17302A Apple Macintosh SE HP 17302A Interconnection Instructions 1 Turn off your plotter and computer equipment 2 Setthe switches on the rear panel of your plotter as shown in the following illustration Your plotter checks the switch settings only when you turn it on so be sure the plotter is turned off before changing the switch settings SET TO US POSITION FOR A AND B PAPER OR TO MET FOR A4 AND A3 PAPER SET TO A4 FOR A AND A4 PAPER OR TO A3 FOR B AND A3 PAPER gt a 5 PARITY 2 BAUD T CL SET B4 17 AND B1 B2 AND B3 0 FOR 2400 BAUD RATE SET 51 0 FOR El NO PARITY SETTING SET TO POSITION FOR ENDLINE OF 52 IS IRRELEVANT OPERATING ENVIRONMENT 5 5 3 5 PLOTTERINTERCONNECTION 3 15 gt 3 Connect the plotter to the computer The following illustration shows an Apple Macintosh Computer Be sure you use the correct cable for your computer 4 Plotter power Apple Ill RS 232 C cord power cord cable Testing Communication with BASIC To test the computer plotter interface turn on your computer and plotter load pens and
34. DUs in each direc tion but if the plotting area is twice as long in one direction as the other the longest side will have 200 GDUs In this coordinate system GDUs are the default scaling units and is the 0 0 origin point AGL also has provisions for defining and plotting in UUs user units With this system AGL programs can produce plots within any area defined by P1 and P2 without modifications to the program Refer to your HP computer documentation for the information you need to program in AGL 2 8 PLOTTER OPERATION Setting the Scaling Points The locations of scaling points 1 and P2 can be changed manually from the front panel or programmatically with the HP GL instruction IP Refer to the Interfacing and Programming Manual for instructions on how to set the scaling points programmatically The position of P2 can be changed without changing the position of 1 However when you move 1 P2 automatically moves so that the X and Y distances between P1 and P2 remain the same You can leave P2 in its automatic new position or you can set a different position for P2 You can reestablish default positions for Pl and P2 by any of the following methods power up initialization execution of either the HP GL instruction IN or the instruction IP without parameters simultaneously pressing ENTER and front panel reset Whenever the plotter is turned on the following procedure can be used for manually relocating
35. E OF CONTENTS v Table of Contents Continued Chapter 2 Plotter Operation Continued Option 001 RS 232 C CCITT 24 2 21 Option 002 APA Ea erea AVEST 2 23 Setting Up the Plotter s 2 24 Choosing the Correct Pen and Medium 2 25 Loading Pens and the Carousel 2 25 Loading the Plotting Medium 2 26 Turning Power 2 28 The Demonstration Plot Confidence Test 231 Chapter 3 Plotter Interconnection 31 22252 3 1 If Your Computer Isn t Listed 3 1 If Your System Configuration Is Different From the One 3 2 If the Interconnection Doesn t Work 3 2 If You Are Using a Graphics Software Package 3 3 Personal Computers Compatibles using RS 232 C Interface 3 4 AT amp T PC 6300 COMPAQ DESKPRO 286 and 386 20 HP Vectra ES 12 QS 16 and RS 20 IBM AT PC PC XT and PS 2 Interconnection Instructions 34 Testing Communication without BASIC 3 5 Testing Communication with BASIC 3 6 Apple or II Plus Computer RS 232 C Interface 3 7 Interconnection Instructions Running the Test Program
36. O A4 A AND A4 PAPER H OR TO A3 FOR B AND A3 PAPER 522885 PARITY 2 BAUD TL SET B4 and B2 TO 1 AND B3 AND B1 TO 0 FOR 9600 BAUD RATE Si 0 FOR NO PARITY SETTING SET TO POSITION D FOR ENDLINE OF S2 IS IRRELEVANT OPERATING ENVIRONMENT 3 Configure your computer system as follows Refer to your corn puter documentation if you have difficulty with this step Load the MS DOS System Disc Touch DEVICE CONFIG Then touch START APPLIC to display the DEVICE CONFIGURATION Screen b Touch the PLT field then use the NEXT CHOICE key to select PLT PORT 2 Next touch SAVE CONFIG Press the USER SYSTEM key on your keyboard twice to change the function key selections Then select CONFIG KEYS d Select the PORT 2 CONFIG field to display the PORT 2 screen Press the SYSTEM DEFAULTS key then the DEFAULT VALUES key Use the NEXT CHOICE key to select BAUD RATE 9600 Then use the cursor controls to select the CS CB XMIT field Use the NEXT CHOICE key to set the field to YES e Touch SAVE CONFIG to save the new configuration Hold down the SHIFT key and press the USER SYSTEM key Press the EXIT CONFIG to return to 5 5 PLOTTER INTERCONNECTION 3 23 Running the Test Program To test the computer plotter interface turn on your computer and plotter load pens and paper and enter and run the following BASIC program If you need help entering and running the program r
37. P2 SP0 3 Select Print as Dratt then Print to send the commands to the plotter The plotter should select pen 1 and pen 2 sequentially a 5 5 z 5 3 5 ge 5 PLOTTER INTERCONNECTION 3 19 9 Q 2 HP Series 200 Personal Technical Computer HP IB Interface Computer Cable HP Model 216 226 or 236 Computer HP 10833A B C or D Interconnection Instructions 1 With your plotter and computer turned off connect the plotter to the computer using the HP IB cable shown Either end of the cable can be connected to the plotter or computer The illustration below shows an HP Model 216 connected to the plotter lt 1 Computer penal cord Perd 7 3 20 PLOTTER INTERCONNECTION 2 Set the switches on the rear panel of your plotter as shown in the following diagram Your plotter checks the switch settings only when you turn it on so be sure the plotter is turned off before changing switch settings SET TO US POSITION FOR A AND B PAPER OR 7 TO MET POSITION FOR 4 AND PAPER N n 2 416 8 4 2 1 e F _ __ ADDRESS SET S1 AND 4 TO 1 AND 2 8 AND 16 TO 0 FOR PLOTTER ADDRESS 5 EQUIVALENT TO PLOTTER ADDRESS CHARACTERS FOR LISTEN AND E FOR TALK SET TO A4 FOR A AND A4 PAPER OR TO A3 FOR B AND A3 PAPER Running the Test Program To te
38. Panel 2 16 PLOTTER OPERATION PAPER LOAD PAPER HOLD Moving the paper loading lever to the PAPER LOAD position turns on the ERROR light and initiates the following a Raises the pinch wheels and returns any pen currently held in the pen holder to the pen stall from which it was selected or into the lowest numbered empty position if its original carousel position has since be come unavailable The pen holder moves to the right side of the platen b Aborts any in process HP GL vector or area fill command Returning the paper loading lever to the PAPER HOLD position turns off the ERROR light and initiates the following a Lowers the pinch wheels to secure the plot ting medium The plotter assumes new paper has been loaded but maintains any pre viously set P1 P2 coordinate values b Cancels any pending error ERROR light blinking due to having received a move command with the pinch wheels up NOTE If an I O error or an HP GL error other than number 8 is set the ERROR light will continue blinking 8B P1 P2 Pressing 1 or P2 causes the plotter to raise the pen and move it to the current coor dinate location of scaling point Pl or P2 On power up the default P1 location is in the lower left corner of A A4 size paper or in the upper left corner of B A3 size paper In each case the default P2 location is in the corner opposite from The exact default coordinate locations of scaling points
39. Part No A3M0019 and HP 17355M Interconnection Instructions 1 With your plotter and computer turned off connect plotter to the computer using the RS 232 C and modem eliminator cables as shown below Either end of the RS 232 C cable can be connected to the plotter Monitor power cord Plotter Apple Ill power power cord cord Apple modem RS 232 C eliminator cable cable 3 12 PLOITER INTERCONNECTION 2 Set the switches the rear panel of your plotter as shown in the following diagram Your plotter checks the switch settings only when you turn it on so be sure the plotter is turned off before changing switch settings SET TO US POSITION FOR A AND B PAPER OR TO MET FOR 4 AND PAPER SET TO A4 FOR A AND A4 PAPER OR TO A3 FOR B AND A3 PAPER a ao 2222 8 PARITY BAUD mie ____ SET B4 1 AND B1 B2 AND B3 TO 0 FOR 2400 BAUD RATE SET S1 TO 0 FOR NO PARITY SETTING SET TO POSITION D FOR ENDLINE OF 52 IS IRRELEVANT OPERATING ENVIRONMENT 3 Configure your computer system as follows Refer to your Apple III Standard Device Drivers Manual if you have difficulty with this step In order to run the test program you will need to make a copy of your Apple Business BASIC disc that is not write protected a Insert the System Utilities disc Select the SYSTEM CONFIG PROGRAM then select READ A DRIVER FILE b Load the System Utilities Data disc Enter
40. RAPHICS IMPROVES COMMUNICATION SALES DXX 52 ZEN x SR 1982 1983 1984 1985 1985 REVENUE DISTRIBUTION DIv DIVIDEND HISTORY YEARS NOTES 5 5 Chapter 3 Plotter Interconnection Introduction This interconnection guide is designed to help you connect the HP 7475A Graphics Plotter to your computer and verify communication between them Read the general instructions in the following paragraphs then locate and use the interfacing instructions for the computer you are using Each instruction set lists a required minimum system configuration gives connection instructions for the hardware and provides a short program to verify that programming information is being sent cor rectly from the computer to the plotter Once this has been verified you can use the Interfacing and Programming Manual to write your own programs refer to Accessories Available in Chapter 1 or you can use a software package already written for your computer plotter system If Your Computer Isn t Listed If your computer isn t listed there is a good possibility that it still can be interfaced to the HP 7475A First determine which kinds of commu nication interfaces are available for your computer If your computer supports an RS 232 C CCITT V 24 interface or an ANSI IEEE 488 1978 HP IB interface then it probably can be interfaced to an HP7475A Read the manual
41. an be off on or blinking as follows a When the ERROR light is on but not blink ing it indicates the view pushbutton has been pressed or the paper loading lever is in the PAPER LOAD position pinch wheels up b When the Error light is blinking brightly it indicates the plotter has detected an I O error a paper moving error or an HP GL error for which the error mask has been set For a description of errors refer to instructions IM and ESC E in the Interfacing and Programming Manual NOTE When the plotter is not active the ERROR light will blink very dimly approximately every five seconds This indi cates internal power supply calibration is being performed PLOTTER OPERATION 217 ct 5 D o o 5 U D C 6 oe 7 SIZE 2 18 PLOTTER OPERATION U D Pressing the U D pushbutton reverses the current pen state up or down It can be used in conjunction with the cursor pushbuttons to draw lines or to digitize a point When the U D pushbutton is pressed during program execution it is equivalent to executing an HP GL PU or PD instruction B A3 4 These two lights indicate the currently selected paper size When the rear panel US MET switch is set to us they indicate A or B paper size but when the switch is set to MET metric they indicate A4 or A3 paper size NOTE Since one of the
42. and P2 are listed in the tables given under the paragraphs entitled The Scaling Points and P2 and Rotating the Coordinate System Pressing P1 or P2 simultaneously with the ENTER pushbutton establishes the current pen loca tidn as the new coordinates of scaling point P1 or P2 ERROR PEN Pressing any PEN pushbutton causes the plotter to retrieve the corresponding num bered pen from the carousel if it is present If the corresponding numbered carousel position is empty the pen holder returns to its previous location The plotter stores its current pen if any before it retrieves the newly selected pen The old pen is stored into the carousel position from which it came or into the lowest numbered empty position if its original carousel position has since become unavailable After the pen is retrieved the pen holder returns to its pre vious location If a plot is in progress when the PEN pushbutton is pressed the plot is paused and does not resume until after the pen is retrieved and the pen holder returns to its previous location Pressing ENTER simultaneously with any PEN pushbutton causes the plotter to store its cur rent pen into the corresponding numbered carousel position if possible If the selected carousel position is occupied the plotter stores its current pen into the lowest numbered empty position if any The pen holder then returns to its previous location ERROR This multi purpose ERROR light c
43. are explained in detail later in this chapter PLOTTER OPERATION 2 1 CARRIAGE CAROUSEL HOLDER COVER S g 5 2 i E FUSE POWER SWITCH REAR SERIAL LINE VOLTAGE LINE PANEL NUMBER FUSE RATING POWER TYPICAL LABEL SOCKET Major Feature Locations Introduction to Programming Languages What Is a Program A program is an organized set of instructions that tells your computer and plotter to accomplish certain tasks There are two types of programs that you can use to generate the input data for your graphics plots prepackaged software programs and user written software programs Prepackaged software programs are easy to use and usually do not 2 2 PLOTTER OPERATION require that you have a programming background The manual sup plied with your prepackaged software contains complete instructions for its use If prepackaged software is not available for your applica tion it will be necessary to learn the programming languages that the computer and plotter understand What Programming Languages Do I Use Although there are many programming languages it is probable that your computer understands BASIC Beginner s All purpose Symbolic Instruction Code BASIC is a common programming language that is used to tell your computer what to do It uses statements that resemble English is easy to use and enables you to perform many complex operatio
44. d a list of error numbers and their meanings The plotter is supported on a number of HP computer systems using higher level graphics support than HP GL In most cases high level graphics support is available through graphics programming ROMs or software each of which is supported with a comprehensive user s manual which will answer most of your questions related to programming Contact your HP sales representative or dealer regarding high level graphics support available with your HP computer OWNER S INFORMATION 1 1 Understanding Manual Conventions Before reading this manual you should understand the meaning of type styles and number representation used in text Words typed in small boldface type are either buttons switches or words actually found on the plotter Numbers are shown using SI International Sys tem of Units standards Numbers with more than four digits are placed in groups of three separated by a space instead of commas counting both to the left and right of the decimal point 54 321 123 45 B n Initial Inspection and Accessories Inventory The individual parts of your plotter were thoroughly inspected before the unit was shipped to you and the instrument should be in good operating order Carefully inspect the plotter and accessories for any physical damage sustained in transit Notify the nearest HP Sales and Support Office or authorized HP dealer and file a claim with the carrier
45. d computer and can help you find third party software solutions for your special plotting needs GETTING HELP iii When you call the 7475 Assist group please have the following information available to help us answer your questions more quickly e Identify what computer you are using Identify any special equipment or software you are using for example spoolers networks switchboxes modems or special soft ware drivers e Identify what cable you are using by part number and where you purchased it Identify the type of interface option on your plotter RS 232 C or HP IB Identify the software name and version you are currently using ___ The HP 7475A Assist service is available from 7 am 4 pm Mountain Standard Time Monday through Friday 208 323 2551 Should the plotter require service please refer to the last section in Chapter 1 for shipping instructions iv GETTING HELP Table of Contents Chapter 1 Owner s Information 1 1 Introduction ts 1 1 Understanding Manual Conventions 1 2 Initial Inspection and Accessories Inventory 1 2 Accessories Supplied eoe 1 3 Accessories Available 13 Input Power Requirements cosas cations 1 4 Power Options 1 4 Line Voltage
46. e carousel and how to load thecarousel into the plotter 1 Selectthe pen type and pen colors to be loaded into each position of the carousel One or more of the pen positions may be used 2 Uncap and load each pen into the carousel as follows Refer to the following photographs Hold the carousel and depress the pen capping mechanism las 5 b Position the pen collar just below the rounded notch and slide the pen straight into the pen holding jaws c Release the pencapping mechanism 3 Place the carousel on the spindle in the plotter Rotate the carousel until it drops into position on the spindle No force is required NOTE To remove the carousel lift it straight up To prevent damage to the pen tip always depress the pen capping mechanism before removing pen from the carousel 5 PLOTTER OPERATION 2 25 NOTCH PEN COLLAR PEN HOLDING JAWS nnn PEN CAPPING 7475 A 40 1 SPINDLE 7475 41 1 MECHANISM Loading the Pens and the Carousel Loading the Plotting Medium The plotter is designed to be used with HP paper and pens Use of other paper may cause poor line quality For best results order papers listed under Accessories Available To load paper proceed as follows a E 2 S 8 AY 1 Set the US MET and A4 A3 switches on the rear panel to the approp riate positions shown below that correspond with the
47. e for shipping plotter 07475 60001 Transit case suitable for shipping plotter 1540 0861 Dust cover 07475 60010 Standard digitizing sight 09872 60066 Slanted digitizing sight 07585 60191 Special Y cable used to connect an option 001 17455A plotter between a terminal and computer Interface cable for IBM personal computer 17255D Male to male RS 232 C Standard Cable 17355M Male to male RS 232 C Modem Eliminator Type 13242G or Cable 17255M Pen organizer a smoked plastic container for 92177V Storing 20 fiber tip pens Grit wheel brush 8710 1386 Drafting pen carousel 07470 60030 Replacement boots for drafting pen carousel 2 07475 60038 OWNER S INFORMATION 1 3 Input Power Requirements WARNING To prevent operator injury or damage to the plotter verify that the line voltage setting and fuse protection are correct BEFORE connecting the line power Also ensure the line power cord is connected to a line power outlet that is provided with a protective earth ground contact g 5 5 2 n E Power Options The 7475A can be configured to operate with any of the following power sources Line Voltage 100 V 5 10 120 V 5 10 220 V 5 10 240 V 5 10 Line Frequency 48 to 66 Hz single phase Maximum Line Current 480 mA 100 V 400 mA 120 V 220 mA 220 V 200 mA 240 V Consumption 35 Watts maximum Line Voltage Selection The 7475A is
48. e wheels Thorough cleaning should be performed periodically Cleaning intervals are determined by the type of operation local air contamination and climatic conditions Cleaning procedures should include the following 1 Blow away dust accumulation in the grit wheel area with com pressed air if available or brush away dust using the grit wheel brush Part No 8710 1386 2 Clean the outer surface of the plotter with a damp sponge or cloth Use a mild cleaning solution if necessary followed by water to rinse off any residue Wipe dry after cleaning NOTE To prevent scratching do not use abrasive cleaners on the plastic carriage cover or on the outer surface of the plotter In addition some mild detergents might cause the paint to blister because they contain chemicals that strip water based paints For this reason it is recommended that you use a soft cloth dampened with a 50 50 solution of isopropyl alcohol and water Then rinse off any residue with water and dry with a soft lint free cloth OWNER S INFORMATION 1 7 Pen Carousel Cleaning Clean the pen carousel periodically to remove ink lint or dust deposits Wipe out the pen cap with a cotton swab moistened with alcohol or pen cleaning solution as shown Allow the carousel to dry thoroughly before inserting pens 5 E n Cleaning the Pen Carousel Shipment When the plotter is to be shipped be sure it is packed in a protective ca
49. efer to your computer documentation 10 OPEN 0 1 PLT 20 PRINT 1 IN OI 30 CLOSE 1 40 OPEN I 2 PLT 5 INPUT 2 10 EO OPEN 0 1 PLT 70 PRINT 1 SP1 PA500 500 80 PRINT 1 LB ID COMMUNICATION OK CHR 3 90 PRINT 1 PA0 0 SPO 100 END Your plotter will select pen 1 and print 7475 COMMUNICATION OK o S o 2 3 24 PLOTTER INTERCONNECTION Touchscreen Personal Computer HP 150 HP IB Interface Computer Cable HP Touchscreen or Touchscreen HP 10833A B or D Personal Computer or HP 150 System with Dual Disc Drive Interconnection Instructions 1 With your plotter and computer turned off connect the plotter to port 2 of the computer using the HP IB cable as shown below Either end of the cable can be connected to the plotter or computer Computer Plotter power cord power cord gt 5 5 E 5 PLOTTERINTERCONNECTION 3 25 2 Set the switches on the rear panel of your plotter as shown in following diagram Your plotter checks the switch settings only when you turn it on so be sure the plotter is turned off before changing switch settings SET TO US POSITION FOR A AND B PAPER OR TO MET POSITION FOR A4 AND A3 PAPER ia See eee ADDRESS o MET SET 51 AND 4 TO 1 AND 2 8 AND 16 TO 0 FOR PLOTTER ADDRESS S EQUIVALENT PLOTTER
50. g the 2 19 2 20 View pushbutton interaction with 2 20 2 26 2 16 2 17 2 29 Fast pushbutton using 2 19 Film plotting media double matte polyester 552555422555 4 4 45 overhead 2 25 4 1 4 4 4 5 51 2 SUBJECT INDEX Subject Index Continued f Continued Front panel Indicators seca nemen 2 17 2 18 2 29 Functions se sansa seine 2 14 2 20 1 5 2 21 Grid spacing resolution m rr rr rer yr RR 24 Grounding requirements for 15 5 3 25 3 26 150 Computer RS 232 C 3 22 3 24 9000 Series 200 Computer 3 20 3 21 HP Touchscreen Computer see HP 150 Computer HP Vectra ES 12 QS 16 and RS 20 3 4 3 6 HP GL Hewlett Packard Graphics Language definition of re ei rear 2 3 scaling and cceeacsececsan 27 HP IB Hewlett Packard Interface Bus Option 002 address switches and positions 2 23 2 24 3 4 listen only mode and wees 229 US MET switch and 2 23 Hard clip limits 2 5 1 IBM Personal Computer PC PC XT and PS 2 3 4 3 6 Indicators front panel see F
51. ge in plotter units for all four paper sizes Note that the plotting ranges in the X and Y axis are reversed when the 90 degree rotate function is turned on Refer to Rotating the Coordinate System in this chapter NOTE The power up default input window is coincident with the hard clip limits The size of the input window can be changed using the HP GL instruction IW to programmatically limit the pen s motion DEFAULT Y LIMITS X 1 DEFAULT 0 0 ORIGIN Default Orientation of Plotter Coordinate System A A4 Paper PLOTTER OPERATION 2 5 0 0 ORIGIN P1 DEFAULT HARD CLIP 1 1 LIMITS al 1 1 1 1 1 1 1 1 1 1 DEFAULT P2 Default Orientation of Plotter Coordinate System B A3 Paper Maximum Plotting Ranges Maximum Plotting Range Paper Size Settings Plotter Units Selected US MET 4 Paper Size X Axis Y Axis US A4 A 0 10365 0 7962 8 5 x11 in 257 8 mm 198 1 mm 10 15 in 7 8in US A3 B 0 16640 0 10365 11x17 in 413 9 mm 257 8 mm 16 3 in 10 15 in MET A4 A4 0 11 040 0 7721 210 x 297 mm 274 6 mm 192 1 mm 10 81 7 56 in MET A3 A3 0 16158 0 11 040 297 420 mm 4019 274 6 mm 15 82 1 10 81 in 2 6 PLOTTER OPERATION
52. hat is required to communicate with the plotter Again in the RS 232 C environment pay particular attention to the cabling requirements between the computer and the plotter Finally adapt the interconnection and programming information for use with your hardware configuration If you are having problems getting the program to work with substitute software read the software manual paying particular attention to the sections dealing with programming the communications hardware There are usually two parts to this type of program opening the com munications port and writing to the communications port Opening the communications port may require specifying a number of interface parameters such as baud rate parity etc For more information on what the plotter requires for communication see Chapter 9 or 10 of the Interfacing and Programming Manual Writing to the communications port is usually straightforward The plotter communicates using ASCII code Find the output statement in your language that can send an ASCII string to the communications port Then adapt the communica tion verification program for use with your operating system and or programming language If the Interconnection Doesn t Work If you have connected the system as shown running the verification program should cause the plotter to label COMMUNICATION OK If it doesn t there are a number of things to check o c si 2 I
53. her ANSI A and B or ISO A4 and A3 paper sizes to manually control pen and paper move ment and to change the locations of scaling points P1 and P2 They can also be used for interaction with a running program This interac tion includes entry of digitized points pen selection and program suspension without loss of data All front panel controls are common to both HP IB and RS 232 C interface options Configuration controls consist of two switches on the rear panel These switches determine the power up default paper size hard clip limits and P1 P2 coordinate values The switches are common to both HP IB and RS 232 C interface options Interface controls establish the conditions under which communication between the plotter and computer will occur Different interface controls are required for the HP IB and RS 232 C interface options All operator controls including the controls which are unique to the HP IB and RS 232 C interface options are shown in the following illus tration Individual controls and indicators are shown adjacent to their functional descriptions 2 14 PLOTTER OPERATION 8 A3 A A ERROR U D SIZE 74758 PLOTTER FRONT PANEL 2 10 REAR PANEL 14 19 RS 232 C CCITT V 24 HP IB Operator Controls PLOTTER OPERATION 2 15 5 5 lt 2 Front
54. ion see Interconnection Major features 2 1 2 2 maintenance 17 rear panel features and switches 2 20 2 23 em 1 8 1 9 setting up 0208 ose 2 24 2 30 SUBJECT INDEX 51 5 Subject Index Continued P Continued Shipping 1 8 1 9 UMS seuss 2 4 Plotting 2 4 range MAMM WM 26 Power COfd 1 5 inputirequirements 112i ese rie re cerrar 1 4 1 5 14 1 7 SWIER cetera rene T 2 20 2 22 t mingon the 2 28 2 29 Power default conditions entr re retento 2 30 initialization cycle sese 2 28 paper loading leveriand 2 5202 2 28 eve Se e need 2 28 Poweranput sockets nr aene EA 2 21 Program definition of err t rers 2 2 2 3 Programmed on off states 2 21 Programming language s AGL see AGL selecting 5 8 US Osea IB OIM aes SIUS 23 HP GL see HP GL introduction to Pushbuttons Enter 1 2 ees Pen UZD ues Size E BE r RS 232 C cable Pint allocations eec eunte rede eU
55. lean the pen uniform Ink flow is Reduce pen speed insufficient or use thinner ink Ink flow is Pen is dirty Clean the pen Uneven Pen speed is too Reduce pen fast speed Pen is running Refill the out of ink reservoir before it is empty Ink is too thick Use a wider point for the pen point or dilute the ink with distilled water Ink smears or Ink and medium Change the ink doesn t dry are incompatible or the medium SELECTING PENS AND MEDIA 4 3 ae gt 5 amp Symptoms and Solutions Continued Problem Possible Cause Solution Ink fades The ink is old Use a new bottle separates of ink Boot is deterio Ink was diluted Replace the boot with acetone Dilute ink with distilled water not acetone Media You can use non glossy plotter paper glossy plotter paper transparency plotter film and double matte polyester film with your plotter The following table describes each of these plotting media Media Type Characteristics Non glossy Smooth surface clear line definition Easy to plotter paper handle good for everyday use Inexpensive Glossy plotter Gloss finish heavy weight Good for reports paper and handouts Regular use requires frequent grit wheel cleaning to prevent residue build up Transparency High grade clear Good for presentations plotter film Paper backing p
56. m differently than described in this guide For example a software package may require you to use slightly different plotter switch settings If you are using a graphics software package with your system always check the software documentation to make sure the configuration requirements are being met 5 5 PLOTTERINTERCONNECTION 3 3 o 3 gt Personal Computers Compatibles using RS 232 C Interface These instructions tell you how to connect your plotter to the following compatible computers AT amp T PC 6300 COMPAQ DESKPRO 286 and 386 20 HP Vectra ES 12 QS 16 and RS 20 IBM AT PC PC XT and PS 2 Computer Cable AT amp T PC 6300 COMPAQ 286 and 386 IBM AT PC PC XT PS 2 with standard serial interface HP 17255D using a 25 pin male connector with asynchronous communication HP 24542G adapter using a 9 pin male connector HP Vectra ES 12 QS 16 RS 20 with HP 24540A or HP 24541A card HP 24542G using 9 pin male connector with the HP 24541A dual serial card HP 17255M using 25 pin female connector or HP 13242G Interconnection Instructions 1 Tum off your plotter and computer equipment 2 If necessary install the serial interface card Refer to your com puter documentation for details If you installed a serial card go to step 3 NOTE If you have more than one serial port installed you will need to know whether you re connecting the plotter to COM1 or COM2 mo
57. n This manual contains general information to familiarize you with the capabilities and operation of the HP 7475A Option 001 and Option 002 Graphics Plotters The Option 001 plotter is equipped with the RS 232 C CCITT V 24 Interface The Option 002 plotter is equipped with the Hewlett Packard Interface Bus HP IB which conforms to ANSI IEEE 488 1978 specifications Both interface options use the Hewlett Packard Graphics Language HP GL for control of plotter graphics capabilities Unless specifically noted all information in this manual pertains to both interface options NOTE All information in this manual for the RS 232 C interface applies equally to the CCITT V 24 interface For purposes of simplicity both are referred to as RS 232 C This manual is designed to show you how to operate but not program the plotter The information given will enable you to verify that your plotter has not been damaged in shipment and that it is compatible with the power available in your geographic area It explains each control and indicator the plotter s coordinate system and how to set up the plotter and run the built in demonstration plot Additional information is given to show you how to connect the plotter with many commonly used computers All plotters are shipped with this manual and a Reference Card Part No 07475 90004 The Reference Card contains a summary of HP GL and device control instructions plotter default conditions an
58. ns These operations include computation data base manage ment and conditional evaluation of data to control program branch ing BASIC also includes input and output statements which allow your computer to communicate with the plotter Output statements are used to send HP GL instructions to the plotter Input statements are used to read responses from the plotter If you are new to BASIC programming and want to learn your computer store can probably supply a good BASIC programming manual If you are using a Hewlett Packard computer your computer programming manual contains com plete details of the BASIC language version that it implements E 5 In addition to the computer language you must also understand the plotter s language HP GL or a high level graphics programming lan guage such as AGL AGL A Graphics Language AGL is implemented on Hewlett Packard computers to simplify graphics plotting AGL statements are an extension of the BASIC programming language They consist of English words that are usually followed by numeric parameters These statements describe their graphics plotting function and instruct the computer to send HP GL instructions to the plotter One AGL statement often performs a task that would require several HP GL instructions to perform Your HP computer documenta tion is the source of the information you need to write plotting programs using AGL statements HP GL Hewle
59. ols for their functional description 22 ADDRESS These five rocker switches are used to establish the plotter address value The plotter address is selected by setting each switch to the appropriate binary bit position LERRA defined in the following table The plotter is ADDRESS set to an address code of 05 at the factory This corresponds to a listen character of and a talk character of The plotter is in listen only mode when all five switches are set to 1 In this mode the plotter does not have an address but listens to all data transmitted on the bus In listen only mode the plotter cannot be placed in a talker active state and will not respond to a serial or parallel poll NOTE Listen only mode is not compatible with most software packages and plotter ROMs m PLOTTER OPERATION 2 23 Address Switch Positions Address Address Switch 1 Characters Settings Address Codes Listen Talk 16 8 4 2 1 Decimal Octal SP e 0 000 0 0 0 A 000 0 0 1 1 1 0 0 0 1 0 2 2 0 0 0 1 1 3 3 D Of tO ds 0 050 4 4 0 0 1 1 0 6 050 f 7 7 H 0 01 50 0 0 8 10 1 0 T 00 1 9 11 2 J 0 10 12 0 1 6 4 4 11 13 B 1 0 212 10 0 12 14 E M 13 15 N Y dq X 0 14 16 5 74 MED 15 17 0 P 1 0 0 0 0 16 20 1 Q 1 0 0 0 1 17 21 2 R 1 0 0 1 0 18 22 3 5 1 00 1 4 19 23 4 T 1 0 1 0 0 20 24
60. on Instructions 3 22 Running the Test Program rarr AAE AEFIA 3 24 HP Touchscreen Personal Computer HP 150 HP IB Interface rie Interconnection Instructions Running the Test Program Chapter 4 Selecting Media Pens and Ink 44 What Kind of Output Do You Need 44 Understanding Media 4 2 Chart Paper 27 4 2 Glossy Presentation 4 2 Overhead Transparency Film 4 3 Double Matte Polyester Film 43 Understanding Pens and Inks 48 Fiber Tip Pens 1 Ain 4 4 4 4 Combining Pens and Media 4 7 Purchasing Supplies a 48 Appendix A RS 232 C CCITT V 24 Interface Trformation se RS 232 C Pin Allocations RS 232 C Cable he rer emen A 2 Macintosh is a registered trademark of Apple Computer Inc Amiga is a registered trademark of Commodore Amiga Inc TABLE OF CONTENTS vii Chapter 1 Owner s Information oO x 8 Nn la 3 ES 2 S Introductio
61. paper then enter and run the following BASIC Macintosh BASIC 2 0 or higher program If you need help entering and running the program refer to your computer documentation 10 2 30 40 50 60 70 0 1 9600 8 1 5 0565535 05 07 AS 1 PRINT 1 IN O0I INPUT 1 10 PRINT 1 SP1 PR509 500 PRINT 1 LB FID PLOTTER CHRS 3 PRINT H1 0 0 5 07 END Your plotter selects pen 1 and prints 7475A PLOTTER OK NOTE If you are not using BASIC a plotter driver is required to run a Macintosh computer with the plotter Check with your computer or plotter dealer for available drivers Sorne packages may require the baud rate or configuration to be altered Consult the software package manual before proceeding 3 16 PLOTTER INTERCONNECTION Commodore Amiga Personal Computers Serial Interface Computer Cable Amiga 500 HP 17255D Amiga 1000 HP 17255M or 13242G Amiga 2000 HP 17255D Interconnection Instructions 1 With your equipment turned off use the cable to connect the plotter to the computer s serial port The following illustration shows an Amiga 2000 Plotter Computer power RS 232 C cable m Monitor power cord PLOTTER INTERCONNECTION 3 17 2 Set the switches the rear panel of your plotter shown in the following diagram Your plotter checks the switch settings only when you turn it on
62. paper size being used Combination Selected Default Switch Settings Paper Size E us Aa ANSI A US A3 ANSIB MET A4 ISO A4 MET A3 ISO A3 NOTE The positions of the US MET and A4 A3 switches are checked by the plotter only when power is first turned on or when a front panel reset is invoked using the ENTER pushbuttons After power is turned on paper size can be toggled between A and B or A4 and sizes using the front panel ENTER SizE pushbuttons 2 Check that the right pinch wheel is properly positioned for the paper being used Refer to the following illustrations 2 26 PLOTTER OPERATION NOTE If necessary snap the spacer off the shaft slide the pinch wheel to the proper position and snap the spacer back onto the s Pinch Wheel Position for and B Size Paper Pinch Wheel Position for A4 Size Paper Y 8 Move the paper loading lever to the PAPER LOAD position This raises the pinch wheels It also stores and caps the pen to avoid getting ink on the new paper Lay a sheet of paper on the platen surface so the paper is aligned with the paper guide the white line at the left rear of the platen and the left edge of the platen A and 4 size paper are loaded with the long side horizontal and size paper are loaded with the long side vertical Refer to the following illustration Move the paper loading lever
63. parameters in HP GL instructions to move the pen to any given point in the plotting area Grid spacing resolution can be in either plotter units which have a fixed length or user units which are variable in length A plotter unit is 0 02488 mm 0 00098 in in length and is the smallest move the plot ter can make The maximum numeric range that the plotter under stands is 32768 to 32767 for both plotter units and user units 32767 Y AXIS ORIGIN 0 0 32768 2 1 10 32 767 1 2 X AXIS 32768 Cartesian Coordinates 2 4 PLOTTER OPERATION Coordinate System Orientation The location of the coordinate origin 0 0 plotter units and the orienta tion of the X and Y axis with respect to A and A4 or and paper sizes are shown in the following diagrams Hard clip limits and the approximate default locations of scaling points Pl and P2 are also shown All of these default conditions are determined by the settings of the US MET and 4 switches when plotter power is first turned on Hard Clip Limits The hard clip limits determine the maximum limits of the pen s motion and the area within which scaling points and P2 can be positioned Except for narrow margins which are required by the grit wheel paper moving technology the hard clip limits allow plotting on the entire paper surface The following table shows the maximum plotting ran
64. pt HP Part Number 8120 1378 125 V 15 1 903 plug rating For use in Canada Japan Mexico Philippines Taiwan UL approved in United States Part Number 8120 0698 250 V 15 A 1 6 904 plug rating UL approved in United States HP Part Number 8120 2104 250 V 10 A 1 906 plug rating For use in Switzerland DHCK 107 HP Part Number 8120 2956 250 V 10 1 912 EA plug rating For use in Denmark NOTE Al plugs are viewed from connector end L Line or Active Conductor also called live or hot N Neutral Identified Conductor E Earth or Safety Ground Power Cord Configurations 1 6 OWNER S INFORMATION Operator Maintenance There are no operator serviceable parts inside the HP 7475A plotter Maintenance which can be performed by the operator is limited to maintaining the appearance of the plotter All other maintenance must be performed by qualified service personnel Refer to the Shipment paragraph for instructions on how to obtain servicing assistance General Cleaning 5 5 3 E 5 WARNING Disconnect the plotter from the power source prior to performing any maintenance DO NOT allow water to run onto electrical components and circuits or through openings in the enclosure as this may create a shock hazard CAUTION Do not attempt to clean the grit wheels Cleaning solu tions may dissolve the adhesive which secures the grit particles to th
65. rd clip limits and P1 P2 frame the power up initialization sets the functions listed in the following table to the indicated conditions Refer to the Interfacing and Programming Manual for the explanation of each function After power up initialization is completed the first pen select command will cause the carousel to be initialized The pen select command can be invoked programmatically with an HP GL command or manually with the PEN pushbuttons Carousel initialization consists of backing the carousel around to its stop before it is advanced to the position that corresponds with the pen select command NOTE The tapping noise is normal It is generated by the carousel advance mechanism Paper initialization is performed after the carousel is initialized or when the plotter receives its first move command depending upon which occurs first The command to move can be invoked programmat ically with an HP GL command or manually with the P1 P2 or PEN pushbuttons The cursor pushbuttons will not cause the paper to be initialized Paper initialization consists of fully retracting the paper and returning it to the starting position prior to completing the com manded move This initialization allows the grit wheels to put their registration marks on the paper before plotting begins PLOTTER OPERATION 2 29 5 Oy 2 30 Power Up Default Conditions Equivalent Function Instructions _ Condition
66. ront panel Initialization see Carousel Paper Plotter e E eise te Inspection initial Interconnection graphics software 3 3 HP IB and nonworking plotter system configuration iss unlisted computers and sisi 1 2000 iode 3 1 3 2 SUBJECTINDEX SI 3 Subject Index Continued 1 Lever Paper Hold Load ev heec 2 16 Limits Hard clip see Hard clip limits Line power fuse see Fuse Line voltage Listen only mode Loading carousel see Carousel pens see Pens m Maintenance see Cleaning Major features location 2 1 2 2 2 14 2 21 Maximum numeric range see Numeric range plotting ranges see Plotting ranges Media see also Paper choosing the correct Id T UTER E E enter T size switches switch settings and n Numeric range maximum 25 Option 001 see RS 232 C Option 002 see HP IB P1 P2 positions see also Scaling Points automatic postioning and 29 default positions for Enter pushbutton and 22035 3 2 2 9 2 16 1 2 pushbuttons demonstration plot end ont 2 31 Enter pushbutton and 2 9 2 16 paper m alization 2 29 2 16 51
67. rotated default coor dinate values using the HP GL instructions IW and IP without parameters Whether invoked manually or programmatically the physical size and location of the hard clip limits are not affected by the rotate function However the defined lower left LL and upper right UR corners of the hard clip limits are rotated to maintain the same relationship with respect to the 0 0 origin point The coordinate values for UR are deter mined by paper size and the state of the rotate function but the coor dinate values for LL will always by 0 0 regardless of paper size and the state of the rotate function The current plotter unit coordinate values for LL and UR can be obtained by executing the HP GL instruc tion OH PLOTTER PERATION 2 13 d e amp UR LL 0 0 ORIGIN i P21 Tr di Y a leINPUT WINDOW i 1 i it py 1 1 ee i H tt UR LL 0 0 ORIGIN HARD CLIP i LIMITS AND INPUT WINDOW H 2 1 392 DEFAULT ORIENTATION ROTATED 90 DEGREES HP GL RO90 Rotation on A A4 Size Paper Controls and Indicators and Their Functions In addition to the power switch and paper loading lever there are three categories of operator controls front panel configuration and interface OQ 2 oy Front panel controls are used to toggle between eit
68. rotects film during plotting Double matte Finely coated and translucent Good for high polyester film accuracy applications and archive storage Dimensionally stable Expensive Film of standard thickness 3 mil is recommended for best results Handle your plotting media by the edges when preparing final plots Oil from fingerprints can prevent ink from adhering to the medium Plotting media particularly paper can be affected by changes in temperature and humidity Plotting distortions will occur if the medium shrinks or stretches Stabilize your media by removing a sheet from the package and exposing it to air near the plotter for at least 15 minutes before using it This is not necessary for media from an open package that has been exposed to the plotter s environment for several days Media with rounded corners are not recommended for use with your plotter Square corners are necessary for the pinch wheels to grip and move the media accurately 4 4 SELECTING PENS AND MEBIA Combining Pens and Media Use the following table to select the types of pens and media that work best together and fit your application The recommended plot ting speed g in centimetres per second is listed for each combination Fiber tip Fiber tip Transparency Drafting Paper Pens Pens Pens EN Non Glossy Highquality Not Not Plotter Paper for business recommen ded recommen ded
69. rtan Keep the original packing materials and shipping carton for this purpose If not available packing materials and a carton may be ordered through your local Hewlett Packard Sales and Support Office If your plotter is being returned to Hewlett Packard for service contact your nearest HP Field Repair Center for complete shipping instructions In countries without Field Repair Centers contact your HP Sales and Support Office You can help assure effective servicing of your plotter by following these guidelines 1 Follow the maintenance procedures outlined in this manual to verify the malfunction and if possible identify the defective area 2 Ifyou determine that repair is required you will need to include the following items when your plotter is returned for service a A description of the configuration exactly as it was at the time of malfunction including the computer model number interface and other accessories that were in use when the malfunction occurred 18 OWNER S INFORMATION b A brief description of malfunction symptoms for service personnel Plots or any other materials that help illustrate the problem area d If purchased through an HP dealer a copy of the sales slip or other proof of purchase to establish the warranty coverage period e Serial number of your plotter located on rear panel Include your name and address Also include the telephone number where you may be reached during the day 5
70. ructions This rocker switch controls application of ac power to the plotter refer to Line Voltage Selection 13 E This is the power input socket refer to Power Cords This is the line power fuse refer to Fuse Protection Option 001 RS 232 C CCITT V 24 14 j ASCENTIA 15 AER LTE TE PARITY 16 This RS 232 C CCITT V 24 compatible 25 pin female type connector is used to connect the plotter to a host computer Parity 1 This rocker switch controls whether parity generation and checking will occur for data transmission If set to 0 no parity generation or checking will occur If set to 1 parity generation and checking will be odd or even depending upon the setting of the S2 switch PARITY S2 This rocker switch establishes the type of parity to be used either odd or even when the S1 switch is set to 1 Setting S2 to 1 establishes odd parity 0 establishes even parity D Y This rocker switch is used to establish either programmed or programmed off operation status when the plotter is turned on Position D is used when the plotter is directly connected to a computer endline operating environment In this position the plotter powers up in the programmed operating state The plotter will respond to all HP GL and escape sequence instructions except the 5 or ESC Z plotter off instructions Po
71. s your computer working properly Check the computer by running a program that you know works 3 2 PLOTTER INTERCONNECTION Is your communications hardware and cable working properly Check the interface and cable with another peripheral Check that none of the connectors on the computer interface cable or plotter interface are damaged Try another cable if one is available See that the switches are set properly on your communications hardware Make sure the card is in the proper slot in the computer Make sure the output port connected to the plotter is the one specified by the software Is your plotter working properly Chapter 2 of this manual describes how to perform the HP 7475A plotter confidence test Make sure the switches on the back of the plotter are set properly Check to see that the plotter is turned on paper is properly loaded and the view pushbutton has not been pressed Are you using the proper operating system and programming language Check to see if you are using the operating system and or program ming language listed in each instruction set If you are still having problems contact your salesperson Your sales person will probably be able to help solve your problem or refer you to someone who can If You Are Using a Graphics Software Package Some software packages designed to be used with your computer and the HP 7475A may require you to configure your syste
72. shipped from the factory with the line voltage set to the nominal value for the area specified as the shipment s destination The voltage selected for the plotter is identified in the recessed window on the rear panel Refer to the Major Feature Locations photograph in Chapter 2 The line voltage can be changed by qualified service per sonnel only Line voltage selection procedures are contained in the 7475 Service Manual 1 4 OWNER S INFORMATION Fuse Protection WARNING To avoid the possibility of injury disconnect the ac power cord before installing or replacing a fuse The 7475A is factory equipped with a fuse appropriate to the factory set line voltage The selected line voltage and the corresponding fuse rat ing is shown in the recessed window on the rear panel To change or inspect the line fuse turn the fuse holder on the rear panel in the direc tion of the arrow counterclockwise until the fuse holder releases Remove the fuse holder and insert a slo blo type T fuse which corre sponds with the voltage setting Fuse ratings for each voltage setting are shown below Place the fuse holder back into the plotter and turn the fuse holder clockwise while pressing in until the lock engages and the fuse remains flush with its casing B 2 ae 5 Voltage U S Fuse European Fuse 100 V or 120 V 0 6AT SB 125 V 220 V or 240 V 0 3AT SB 250 V 0 315 AT SB 250 V NOTE F
73. sition Y is used when the plotter is connected between a terminal and computer eavesdrop operating environment The plotter powers up in the programmed off operating state In this state the plotter will pass information between the terminal and computer but only responds to a plotter ESC or ESC Y instruction After receipt of a plotter instruction the plotter will respond to all HP GL and escape sequence instructions PLOTTER OPERATION 2 21 NOTE The plotter s switch must be ON in order to have any communication between the terminal and the computer B US MET This rocker switch is used in com bination with the A4 A3 rocker switch to select one of four possible default paper sizes with the appropriate sized hard clip limits and de fault P1 P2 coordinate values The positions of the US MET and A4 A3 switches are checked only when power is first turned on or when a front panel reset is invoked using the ENTER viEW pushbuttons Refer to the A4 A3 switch for combination switch settings 18 4 This rocker switch is used in JAS esa AER bination with the US MET rocker switch to select the default paper size Combination switch settings of the US MET and A4 A3 i 5 switches as follows lt Combination Selected Default Switch Settings Paper Size US A4 ANSI A US A3 ANSI B MET A4 ISO A4 MET A3 ISO
74. st software will not run on You will need this information for testing communications and for configuring your software If you are using 2 be sure to substitute COM2 for COMI in the instructions 3 4 PLOTTER INTERCONNECTION 3 Set the switches on the rear panel of your plotter as shown in following illustration Your plotter checks the switch settings only when you turn it on so be sure the plotter is turned off before changing the switch settings SET TO US POSITION FOR A AND B PAPER FOR 4 AND PAPER SET TO A4 FOR A AND 4 PAPER OR TO A3 FOR B AND A3 PAPER 22385 us 9 0 o me PARITY BAUD SET B4 AND B2 1 AND AND 1 0 FOR B1 TO 0 FOR 9600 BAUD RATE NO PARITY SETTING SET TO POSITION D FOR ENDLINE OF S2 15 IRRELEVANT OPERATING ENVIRONMENT 4 Connect the plotter to the computer The following illustration shows an HP Vectra PC Be sure you are using the correct cable for your computer and plotter Monitor power N Plotter cord power cord gt z S 5 5 5 5 i power Video cable cord cable PLOTTERINTERCONNECTION 35 Testing Communication without BASIC To test the computer plotter interface without using BASIC turn on your computer and plotter load pens and paper then follow
75. st the computer plotter interface turn on your computer and plotter load pens and paper and enter and run the following BASIC program If you need help entering and running the program refer to your computer documentation 10 OUTPUT 705 IN OI 20 ENTER 705 ID 30 OUTPUT 705 SP1 PA500 500 40 OUTPUT 705 COMMUNICATION OK amp CHRS 3 50 OUTPUT 705 0 5 0 EQ END 5 5 5 Your plotter will select pen 1 and print 7475A COMMUNICATION OK PLOTTER INTERCONNECTION 3 21 Touchscreen Personal Computer HP 150 RS 282 C Interface Computer Cable HP Touchscreen or Touchscreen MAX HP 17255M or Personal Computer or HP 150 HP 13242G System with Dual Disc Drive Interconnection Instructions 1 With your plotter and computer turned off connect the plotter to port 2 of the computer using the RS 232 C cable as shown below Either end of the cable can be connected to the plotter or computer Plotter RS 232 C power cable cord Computer power cord gt B 2 3 22 PLOTTER INTERCONNECTION 2 Set the switches the rear panel of your plotter as shown in the following diagram Your plotter checks the switch settings only when you turn it on so be sure the plotter is turned off before changing switch settings SET TO US POSITION FOR A AND B PAPER TO MET FOR 4 AND PAPER SET T
76. t is centered only on A size paper and approxi mately centered on A4 size paper Therefore if the plotter is set for B or A3 size paper the plotter will automatically switch to the corresponding smaller paper size before running the plot After the demonstration plot is completed all plotter functions except paper size are returned to their default conditions and the plotter is ready for normal operation Although satisfactory execution of the demonstration plot does not exclude all possible failures it does serve as a confidence test since the probability is very high that the plotter is operating properly The demonstration plot is performed as follows 1 Load A or A4 size paper and a full carousel into the plotter The carousel may be filled with any combination of pens However the pen widths and colors shown in the following table are recom mended for drawing the demonstration plot Pen Number Pen Type and Color T P 7 black 2 P 3 black 4 P 3 green 5 6 2 5 P 3 blue violet 2 Initiate the demonstration plot shown on the next page by holding down the P1 and P2 pushbuttons at the same time the plotter is turned on Continue depressing P1 and P2 until the tapping noise begins PLOTTEROPERATION 2 31 NOILLVH3dO HALLO ZEZ uoneajsuoureq au Plotter Operation 2500 2000 1500 1000 G
77. that describes the communications equip ment for your computer and then determine how information is sent and received Next refer to either Chapter 9 or 10 in the HP 7475A Interfacing and Programming Manual depending on which interface you re using to get a better understanding of how information is sent and received by the plotter In the RS 232 C environment pay particular attention to the cabling requirements between the computer and the plotter Appendix A contains RS 232 C pin allocations and cable schematics for Hewlett Packard cables Then choose a computer con figuration in this guide that appears similar to yours and use this as a guideline for creating your own communication verification program m uonoouu PLOTTERINTERCONNECTION 3 1 If Your System Configuration Is Different From the One Listed There are many variables in computer systems Often substituting one piece of hardware or software for another can cause communication problems Therefore if you re going to make substitutions be aware that these may affect the operation of the system or the communication verification program If you are having problems getting your system to work with substitute hardware carefully read the manual on the substitute equipment Try to identify the difference between the hardware you are using and that which is recommended Also consult either Chapter 9 or 10 of the Inter facing and Programming Manual to understand w
78. tt Packard Graphics Language HP GL is the graphics programming language that is actually sent to and understood by the plotter HP GI instructions consist of two letter mnemonics that are usually followed by numeric parameters With the exception of certain escape sequence instructions which are used for control of interface functions in an RS 232 C environment all data received by the plotter is interpreted as HP GI instructions You can include HP GL instructions directly in the computer language output PLOTTER OPERATION 2 3 statements or you can use AGL statements which the computer encodes and sends to the plotter as HP GL instructions The Interfacing and Programming Manual contains complete information about handshak ing and programming in HP GL Introduction to the Plotter Coordinate System The plotter area is that area of the paper in which the pen can draw This area should be thought of as a two dimensional Cartesian coordi nate system In this system the entire plotting area is divided scaled into a grid as shown in the following illustration Each intersection of these grid lines represents a distinct point that is expressed by X and Y axis coordinates with respect to the origin point X 0 Y 0 For example the coordinates X 4 and Y 5 define the point at the inter section of the fourth positive grid line along the X axis and the fifth positive grid line along the Y axis These coordinate values are used as
79. uses and fuse caps appropriate to the plotter shipment desti nation are installed at the factory U S fuses are 4 X 14 inches and use HP 2110 0565 fuse caps European fuses are 5 X 20 millimetres and use HP 2110 0567 fuse caps Grounding Requirements To protect operating personnel the plotter must be properly grounded The plotter is equipped with a three conductor power cable which when connected to an appropriate power outlet grounds the plotter To pre serve this protection feature do not operate the plotter from a line power outlet which has no ground connection Power Cord Power cords with different plugs are available for the plotter The cord packaged with each plotter depends upon its destination The power cords supplied by HP have a standard female plug which mates with the power input socket in the plotter The polarities of the male plugs shown in the accompanying chart are matched to the line power outlets used in the indicated areas If the plotter has the wrong power cord for the area please contact your local HP Sales and Support Office or authorized HP dealer OWNER SINFORMATION 15 z _ Option No HP Part Number 8120 1351 250 V 13 A 1 900 plug rating For use in United Kingdom HP Part Number 8120 1369 250 V 10 1 901 plug rating For use in Australia New Zealand HP Part Number 8120 1689 250 V 10 16 A 902 1 plug rating For use in East and West Europe Saudi Arabia Egy
80. ves propor tionately until the hard clip limit is reached At this point P2 stops moving with P1 and the distance between P1 and P2 changes DETAIL C Illustrates moving 1 back to its original location and P2 maintain the relationship established in Detail B thus producing a squeezed P1 P2 frame 2 10 PLOTTER OPERATION DETAIL A HARD CLIP LIMITS DETAIL 1 P2 LOCATION 9 OLDP1 LOCATION HARD CLIP LIMITS DETAIL C OLD P1 LOCATION o NEW P1 HARD CLIP LOCATION LIMITS Squeezing The Scaling Area PLOTTER OPERATION 2 11 Rotating the Coordinate System The plotter coordinate system can be manually rotated 90 degrees from its default orientation as shown in the following illustrations for A A4 and B A3 paper sizes The rotate function is effective whether plotting is being done in plotter units or user units The rotate function can be manually invoked from the front panel using the ENTER FAST button combination or programmatically using the HP GL instruction RO The only difference is the rotated locations LL 0 0 ORIGIN LL 0 O ORIGIN DEFAULT ORIENTATION ROTATED 90 DEGREES Front Panel Rotation on A A4 Size Paper gt gt LL 0 0 ORIGIN HARD CLIP LIMITS amp INPUT WINDOW LL 0 0 ORIGIN DEFAULT ORIENTATION ROTATED 90 DEGREES Front Panel Rotation on B A3 Size Paper 2 12 PLOTTEROPERATION of Pl and P

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