HP Welder 7045B User's Manual
Contents
1. place CHART toggle switch to HOLD 3 27 INSTALL PEN 3 28 The disposable pen is pushed into the notched holder located on the scale and twisted clockwise to lock in hoider UTION The disposable pen incorporates a preci sion writing tip Care must be taken not to damage this tip during pen changing or other handling Writing by hand on any surface may damage pen tip Use pen in pen holder on recorder 3 4 3 29 SET VERNIER CONTROL 3 30 Vernier control enables operator to adjust recorder sensitivity to any value between fixed ranges It is often used to adjust the recorder sensitivity to align with actual function to be measured not necessarily voltage i e 100 Ibs in 20 dB in 3 31 CONNECT INPUTS 3 32 Connect the signal inputs to each axis through the front input terminals using open wires or banana connectors 3 33 ZEROSET 3 34 Connect the input signals to the recorder and adiust the zero position so that the resulting graph will cover the desired area on the paper 3 35 LOWER PEN 3 36 Lowering the pen for recording purposes is accom plished by positioning the PEN toggle switch to RECORD When TTL is installed pen lowering is energized by level changes to less than 0 4 Vdc Changing level to between 2 4 and 5 5 volts will raise the pen 9 0 0 009 9 73 5 1 9 ROME i Vim aM2. called live or hot N Neutral or Identified Conductor e E Earth or Safety Ground 1 A 18 1 Figure 3 2 Power Cord Configurations Section HI Option Number 900 901 902 904 906 Section Model 7044B 7045B Q G LINE y 3 VOLTAGE _ SELECTOR 100V 120 m 2209 240V 240 100 120 220 240 fo UM REAR CONNECTOR AN C Je ruse 9 peat 3 1 VOLTAGE SELECTOR SWITCHES These two switches are positioned to correspond with the AC line input voltage Any voltage of 100 120 220 or 240 volts 2 POWER CORD RECEPTACLE Use the power cord provided with the recorder 3 FUSE HOLDER For line fuse 7045B 100 or 120 volts 220 or 240 voits 7044 100 or 120 volts 220 or 240 volts 4 REAR CONNECTOR 37 pin connector for the in supplied in the accessory kit 1 5 AT P N 2110 0304 750 mAT P N 2110 0360 1 AT P N 2110 0007 500 mAT P N 2110 0202 put of all signals except power A mating connector is 5 PEN LIFT Banana jack connector for remote control of the pen lift and 100 millisecond servo delay 7044 A 9 2 Figure 3 3 Rear Panel 3 23 ENERGIZE RECORDER 3 24 Place the LINE toggle switch to the ON position This will furnish power to the recorder 3 25 INSTALL PAPER 3 26 Place chart paper on the recording platen and align the left edge with the paper stop To energize the platen
3. 044 7045 operating requirements The following paragraphs describe those options that can be installed in the field 2 21 EVENT MARKER OPTION 002 2 22 Installation is accomplished for either model per the instructions accompanying Event Marker Kit Part Number 07044 60001 Model 7044B 7045B Section OPERATING INSTRUCTIONS 3 1 OPERATING REQUIREMENTS scale ranges or an erroneous recording may result It is pos 3 2 INTRODUCTION 3 3 The basic function of the Models 7044B and 70458 X Y Recorders is to produce a cartesian coordinate graph showing the relationship between two variable functions Slowly varying dc signals representing these functions are applied to the input terminals of the respective X and Y axis of the recorder and its controls adjusted so that the resulting graph will cover the desired region of the graph Before attempting to operate the recorder the user should become familiar with the input requirements and various control functions as outlined in the following paragraphs 3 4 CONTROLS CONNECTORS AND INDICATORS 3 5 front and rear panel controls connectors and indicators are depicted and explained in Figures 3 1 and 3 3 The 37 pin rear connector is depicted in Figure 3 4 3 5 ELECTRICAL REQUIREMENTS 3 7 OPERATING POWER 3 8 The ac power supplied to the models should be either 100 120 220 or 240 Vac 48 to 440 Hz single phase Two voltage selector switches lo
4. BLACK PANEL DIMENSIONS INCHES MILLIMETRES SIDE TRIM PANEL DETAIL Lo nep 1521400 7044 3 2 Figure 1 4 Model 7044B 70458 Dimension Drawing Model 7044B 7045B Section 1 TABLE 1 3 OPTION SPECIFICATIONS TIME BASE OPTION 001 Sweep Rates Eight selectable rates 0 25 0 5 1 2 5 10 25 50 0 5 1 2 5 10 20 50 100 sec in X or Y axis TIL sweep indication is provided Accurary 1 full scale at 25 C 40 1 C maximum Linearity 0 5 full scale at 25 C to 0 04 C maximum EVENT MARKER ELECTRIC OPTION 002 Marking Area Upper margin aligned with X axis position Excursion Approximately 0 05 inch Ink Capacity 0 45 cm3 cartridge writing distance 500 ft minimum Control Remotely by contact closure to ground or TTL logic control 7044 4 2 7944 5 1 Figure 1 5 Time Base Option 001 Figure 1 6 Event Marker Option 002 2a Met ph 3 Model 7044 7045 Section SECTION H INSPECTION AND INSTALLATION 2 1 INTRODUCTION 2 2 This section provides information for incoming inspec tion installation storage and shipping of the 7044B and 7045B X Y Recorders Also included is the information required to field install and or modify options for the two models 2 3 INCOMING INSPECTION 2 4 MECHANICAL CHECKS 2 5 Inspect the recorder for mechanical da
5. HP 70448 70458 MANUAL HEWLETT PACKARD CE RECORDER 71044874571 NG AND SERVI OPERATI dM 2 ag oid General Definitions of Safety Symbols Used On Equipment International caution symbol refer to manual the product will be marked with this symbol when it is necessary for the user to refer to the instruction manual in order to protect against damage to the instrument Indicates dangerous voltage terminals fed from the interior by voltage exceeding 1000 volts must be so marked Protective conductor terminal For protection against electrical shock in case of a fault Used with field wiring terminals to indi cate the terminal which must be connected to ground before operating equipment Low noise or noiseless clean ground earth terminal Used fora signal common as well as providing protection against electrical shock in case of a fault A terminal marked with this symbol must be connected to ground in the manner described in the installation operating manual and before operating the equipment Frame or chassis terminal A connection to the frame chassis of the equipment which normally includes all exposed metal struc tures Alternating current Direct current Alternating or direct current The WARNING sign denotes a hazard It calls attention to a pro cedure practice or the like which if not correc
6. Hewlett Packard Models 7044B and 7045B X Y Recorders are designed for the laboratory user to plot cartesian coordinate graphs from dc electrical information The 70448 or 7045B will satisfy the needs of the user seeking reliability and dependability The 7045B recorder features high speed capability and rapid acceleration to accurately record high frequency and fast moving input MODEL 70448 SERIAL 00004 00000 7 SERIAL NUMBER PREFIX SERIAL NUMBER signals It also offers a RESPONSE switch which allows the user the choice of a fast or slow response Both models are equipped with the newly designed continuous duty aluminum framed dc servo motor the X axis of the 70458 contains the larger faster motor This design concept ends overheating or wear if the pen is driven offscale for an in definite time Other features found on the 7044B and 7045 include 14 calibrated dc input ranges in each axis from 0 5 mV in 0 25 mV cm to 10 V in 5 V em TTL Remote Control and a Rear Connector Arbitrary full scale voltage ranges may be established with a variable input vernier in conjunction with the calibrated dc ranges A trouble free electrostatic hold down platen capable of hold ing chart paper up to 11 x 17 inches and the standard European size a disposable pen with four color choices and plastic coated wirewound balance potentiometer are also provided on both models Latest circuitry design and assembly techniques have also been incor
7. SAREE Sn THAT AAi ren TAT TT Mat EN BA i rrt TIT A Ane Ah A LCA TH an pnr WT gar Je n P rr rr T TI ETT A IT P a Pa a Model 7044B 7045B LOW X AXIS INPUT Hi TIME BASE OPTION 001 0 RESET SWEEP INDICATION OPTION 001 PEN LIFT WITH MOMENTARY SERVO MUTE T REMOTE PEN LIFT SWITCH gt BANANA JACK CONNECTIONS CHASSIS GROUND 7044 10 2 Section LOW Y AXIS INPUT lt HI TIME BASE OPTION 001 START 7 RECORD PEN LIFT LIFT WITH MOMENTARY SERVO MUTE sLow Y RESPONSE 70458 ONLY TTL SLOW X RESPONSE 70458 ONLY TTL ON gt MUTE TTL ELEASE HOLD 2 CHART TTL DOWN UP 4 EVENT MARKER 002 LIFT PEN RECORD Figure 3 4 Rear Connector 3 5 D frm manes PI pipiyi qe rw RARI AR ORA AE ARA re MAR NI NB eei eg PAR 2 YY a RI ME SA A nae mA 2 ore amare
8. SLOW and FAST Use SLOW position for making prerecording adjustments and also if desired record slow incoming signals or reduce speed of instrument 3 ZERO CONTROLS A control in each axis for adjusting the pen s zero position on the chart 4 ZERO CHECK SWITCHES A pushbutton switch to verify the zero setting of either the X or Y axis When actuated the input signal is disconnected and the pen returns to its zero position 5 RANGE SWITCHES A selector switch for each axis allowing the selection of 14 calibrated positions 6 VERNIER CONTROL A vernier control in each axis for multiplication of input range setting overlaps two adjacent calibrated ranges 7 LINE SWITCH A two position toggle switch OFF and ON that controls the application of the ac line voltage to the recorder 8 CHART SWITCH two position toggle switch RELEASE and HOLD that controls the chart holding func tion of the Autogrip table 9 SERVO SWITCH A two position switch STANDBY and ON that controls servo actuation for both axes 10 PEN SWITCH A two position toggle switch LIFT and RECORD that controls the lowering and raising of the pen 11 INPUT TERMINALS Two input terminals are available for each axis They are labeled HI and LO and will accept either open wire or banana plug connectors 12 TIME BASE OPTION 001 One control knob for the selection of eight sweep speeds in either axis To determine the axis place toggle switch fr
9. also defined in this section 1 8 SAFETY SYMBOLS 1 9 The following safety symbols are used with this Oper ating and Service Manual WARMING CAUTION The WARNING sign denotes a hazard It calls attention to a procedure prac tice or the like which if not correct y performed or adhered to could result in iniury or loss of life Do not proceed beyond a WARNING sign until the in dicated conditions are fully understood and met The CAUTION sign denotes a hazard It calls attention to an operating pro cedure practice or the like which if not correctly performed or adhered to could result in damage to or desctruc tion of part or all of the equipment Do not proceed beyond a CAUTION sign until the indicated conditions are fully understood and met 1 1 Section I Model 7044B 7045B TABLE 1 1 SPECIFICATIONS PERFORMANCE SPECIFICATIONS Input Ranges Type of Input Input Resistance Common Mode Rejection Slewing Speed Acceleration Accuracy Range Accurary Heide 0 5 1 2 5 10 20 50 100 200 500 mV in 1 2 5 10 V in metric capability available in 025 0 5 1 2 5 5 10 25 50 100 250 500 1 2 5 5 Vieni Continuous vernier between ranges Floating 30 Vdc or peak ac maximum Polarity reversal switch located on front panel guard internally connected Inputs through front panel 5 way binding posts or optional rear con nector Pen lift contr
10. cated on the under side of the recorder on the connector panel must be set to correspond to the available supply voltage A 1 5 ampere time delay fuse is used for 100 or 120V operation and a 3 4 ampere time delay for 220 or 240V 3 9 Power plugs used in the United States and other countries are shown in Figure 3 2 The plug rating and the HP Part Number for the plug and power cord are shown be side each plug If the correct power cable is not available notify the nearest Hewlett Packard Sales and Service Office and a replacement cable will be provided 3 10 INPUT SIGNALS 3 11 The recorder s input terminals HI and LO located on the front panel must be supplied with varying dc signals These signals should vary at a rate within the response capa bilities of the recorder and have amplitudes within their sible to have an excessive amount of ac noise present in the input signals thereby resulting in recorder response becom ing oscillatory and inaccurate It is important that the side of the signal with the lowest impedance to ground side is connected to the LO input terminal of the recorder If this results in the recorder axis moving in the wrong direction reset POLARITY switch to RT or RT for X axis or to UP or UP for the Y axis If excessive normal mode noise is present on the input signals an external filter s may be necessary 3 12 GROUNDING 3 13 For optimum performance the center prong of the ac power
11. cord must be grounded When operating from un grounded power sources a secondary grounding method is mandatory 3 14 OPERATING PRECAUTIONS 3 15 SERVO 3 16 To avoid unnecessary wear on the balance potentio meters and other mechanical parts place the SERVO toggle switch in STANDBY when not recording 3 17 Ifthe input voltage exceeds the range setting the pen will move quickly to one end of its travel and strike the drive mechanism stop The motor will stop protecting the recorder against damage until the input signal returns to an onscale value 3 18 RESPONSE SWITCH 3 19 On the 70458 position RESPONSE toggle switch in SLOW position This permits making prerecording span and zero adjustments without the pen and arm driving against the stops at full slewing speed This position also enables the user to record slow input signals or reduce the speed of the recorder 3 20 OPERATING INSTRUCTIONS 321 CONNECT POWER 3 22 Set the power voltage selector switch located on the underside of the recorder to either 100 120 220 or 240 5 10 depending on the available power source Connect the power cord between the power receptacle and the power source 3 1 Section IH Model 7044B 7045B 7044 8 2 l POLARITY SWITCHES RT UP UP Two toggle switches one for the X axis and the other for the Y axis provide polarity reversal 2 RESPONSE SWITCH 7045B ONLY A two position toggle switch labeled
12. ec in to 100 sec in are avail able for both models in either the X or Y axis In the 7045B model however with the addition of the RESPONSE Switch the selection of the X or Y axis time base sweep speed automatically results in the SLOW response of that selected axis the other axis is not affected and operates normally May be ordered only at time of recorder purchase See Figure 1 5 1 14 EVENT MARKER ELECTRIC OPTION 002 1 15 A remotely controlled event marker installed at the top of the Y arm identifies significant events in a recording sequence by making an upward deflection in the margin at the top of the chart paper See Figure 1 6 The cartridge type pen is actuated by a remote contact closure This option may be field installed 1 3 Section I 1 16 METRIC SCALING OPTION 006 1 17 Metrically scaled and calibrated version of either recorder is provided May be ordered only at time of recorder purchase 1 18 ACCESSORIES 1 19 Included in the standard Accessory Kit are a package of red and blue disposable pens slidewire cleaner and a mating connector Additional accessories are added when certain options are added EC REAR CONNECTOR amp CABLE ACCESS metal ERA CABLE ACCESS CABLE ACCESS i I9 Model 7044B 7045B TABLE 1 2 OPTIONS OPTION DESCRIPTION Time Base X or Y Event Marker Electric Metric CABINET iMINT GRAY PANEL CONTROL PANELI OLIVE
13. mage scratches dents or other defects Also check the cushion ing materials for signs of severe stress 2 6 ELECTRICAL CHECKS 2 7 The electrical performance of the recorder should be verified upon receipt Performance checks suitable for incoming inspection as well are presented in Section V 2 8 DAMAGE CLAIMS 2 9 If the recorder is damaged in transit or fails to meet specifications upon receipt notify the carrier and the nearest Hewlett Packard office immediately A list of field offices is conveniently located in the back of this manual Retain the shipping carton and padding material for the carrier s inspection The field office will arrange for replacement or repair of your recorder without waiting for claim settlement against the carrier 2 10 STORAGE 2 11 When the recorder is to be stored for a period of time the disposable pen and the event marker cartridge if Option 002 is installed should be removed and the upper part of the carriage arm clamped to the right side of the recorder to prevent damage during handling Flush event marker ink lines out with water Seal the recorder in moisture proof covering with desiccant and repackage a container similar to the original factory carton 2 12 SHIPPING 2 13 Before returning the recorder for any reason notify the local field sales office of the difficulty encoun tered giving the model and serial number of the recorder They will furnish shi
14. n writing area or electrically off scale up to one full scale from Contact closure 0 2 mA to ground or TTL levels Logic 0 Between 0 5 Vdc and 0 4 Logic 1 Between 2 4 Vdc and 5 5 REAR CONNECTOR Connects Event Marker and TTL Provides X and Y inputs and pen lift TTL controls Supplies START and RESET remote capability TTL and Rear Connector provide Electrostatic Holddown and Servo Standby capability on Model 7044B Additionally X and Y Response on Model 7045B REMOTE PEN LIFT Banana Jacks provide remote control of pen lift GENERAL SPECIFICATIONS Writing Mechanism Servo actuated ink pen Writing Area Paper Holddown 10 in x 15 in 25 cm x 38 Electrostatic paper holddown grips charts 11 in x 16 5 in and standard Europeni size 29 7 cm x 42 cm or smaller Special paper not required Pen Lift Power Weight Electric Remote via contact closure or TTL level 100 120 220 or 240 volts ac 5 10 48 to 440 Hz 70448 135 70458 175 VA 70448 Net 30 Ib 13 7 kg shipping 42 Ib 19 1 kg 70458 Net 30 10 13 7 kg shipping 44 Ib 20 kg 1 10 OPTIONS 1 11 Optional features available for the two models are specified in Table 1 2 The following paragraphs describe these features which may be built into or combined with these recorders Table 1 3 contains the specifications of the options 1 12 TIME BASE OPTION 001 1 13 Eight speeds from 0 5 s
15. ol is also available through rear mo unted banana jack connectors or 37 pin rear connector 1 megohm constant on all ranges 110 dB dc and 90 dB ac at 50 Hz and above with 1 K ohm between HI and LO terminals CMR voltage applied between ground and LO and attenuator on most sensitive range On other ranges CMR decreases 20 dB per decade step in attenuation 7044B 20 in sec 50 cm sec minimum 70458 Fast Response 30 in sec 76 cm sec minimum Slow Response 15 in sec 36 cm sec typical 70448 Y axis 1000 in sec2 2540 cm sec2 X axis 500 in sec2 1270 cm sec2 7045B Fast Response Y axis 3000 in sec2 7620 cm sec X axis 2000 TWO 5080 cm sec Slow Response Y axis 2500 in sec2 6350 12 2 X axis 1500 in sec2 3800 cm sec2 TYPICAL PERFORMANCE LIMITS Peak to Peak Amplitude Inches 3 4 5 10 Fr Hz 7045 2 1 0 0 2 of full scale includes linearity and deadband at 25 C Temperature Coefficient 0 01 per C 0 2 of full scale 0 2 deflection includes linearity and deadband at 25 C Temperature Coefficient 0 01 per C 0 1 of full scale Tee Model 7044B 7045B Section TABLE 1 1 SPECIFICATIONS Continued Overshoot 70448 2 of full scale maximum 70458 1 of full scale maximum Zero Offset zero index Relative Humidity 5 to 95 below 40 TTL REMOTE CONTROL Operating Levels Zero may be placed anywhere o
16. om OFF to X or Y then select sweep using sweep rate knob RESET START toggle switch stops sweep cycle lifts pen and resets to original starting position when placed in RESET in START position drops pen sweeps pen across chart at selected rate 13 VERNIER SWITCH A selector switch for each axis which allows the vernier control to be switched ON or OFF Disconnect input signal from axis which has been placed in Time Base Mode before starting sweep cycle Figure 3 1 Control Panel 7044B and 70458 Model 7044B 7045B BS 1363A HP Part Number 8120 1351 250V 134 1 plug rating For use in United Kingdom Cyprus Nigeria Rhodesia Singapore AS C112 97 N HP Part Number 8120 1369 250V 10A 16 plug rating 7 For use in Australia New Zealand CEE 7 1 HP Part Number 8120 2857 250V 10 16A 1 plug rating For use in East and West Europe Saudi Arabia Egypt NEMA 5 15P HP Part Number 8120 1378 125V 15A 16 plug rating UL approved for use in United States Canada Japan AES Mexico Philippines Taiwan NEMA 6 15P dd HP Part Number 8120 0695 250V 15A 16 plug rating UL approved for use in United States SEV 1011 HP Part Number 8120 2104 250 10A 16 plug rating For use in Switzerland DHCK 107 HP Part Number 8120 2956 250V 10A 16 plug rating For use in Denmark NOTE All plugs are viewed from connector end L Line or Active Conductor also
17. porated into both models thereby reducing failure and maintenance time Additionally both recorders can be equipped with such options as Time Base bvent Marker or Metric Scaling See Figures 1 1 and 1 2 depicting the standard 7044B and 7045B models 1 4 MODEL MANUAL INFORMATION 1 5 The contens of this manual apply to recorders with the serial number prefix es listed under SERIAL NUMBERS on the title page The serial prefix is the first four digits and a letter of a two part ten item serial number 0000 00000 used to identify each Hewlett Packard instrument see Figure 1 3 Should any change to this manual be nec essary a new serial prefix will be assigned to the changed mode and a change sheet Manual Change will be supplied defining the differences between the changed model and the one described within this manual Other corrections due to any errors that existed when this manual was printed will be provided This type of change called Errata also appears on the change sheet Manual Change For addi tional information pertaining to these recorders or other 7044 2 1 Figure 1 3 Instrument Identification Hewlett Packard instruments contact the nearest Hewlett Packard Sales Service Office 1 6 SPECIFICATIONS 1 7 Table 1 1 lists the specifications and accessories sup plied or availabie with the 7044B and 7045B models Fig gure 1 4 illustrates the outside dimensions Option specifi cations are
18. pping instructions The following precautions should be taken when repackaging the recorder a Remove disposable pen and event marker assembly Option 002 if installed b Clamp the upper end of carriage arm and pen carriage to the right side of recorder with shipping clamp HP Part No 07040 60921 to prevent movement while in transit Wrap recorder in heavy paper or plastic and surround with three to four inches of shock absorbing material to cushion and prevent movement inside shipping container Container should be sufficiently durable to prevent dam age to recorder during handling If in doubt request a shipping carton from the nearest Hewlett Packard Sales Service Office 2 14 RECORDER INSTALLATION 2 15 MECHANICAL INSTALLATION 2 16 The recorder is equipped with built in rack mounting brackets for placing in a standard 19 inch cab inet Four screws two on each side are used for easy installation Feet and side trim panels are provided for bench type operation Remove side trim panels before rack mounting See Figure 2 1 7045 A 14 1 Figure 2 1 Side Trim Panel Removal i Section 2 17 COOLING 2 18 Cooling is provided by convection The location of mounting of the recorder must ensure adequate air circulation 2 19 OPTION INSTALLATION CONVERSION 2 20 These two models may be equipped with options which can increase the versatility and applicatiori to special 2 2 Model 7
19. tly performed or adhered to could result in personal injury The CAUTION sign denotes a hazard It calls attention to an op erating procedure practice or the like which if not correctly performed or adhered to could result in to or destruction of part or all of the product MA ay asam uyo napua a AT a LN Herr a tr py Rr rr Y a T a F mi OPERATING AND SERVICE MANUAL 1044B 7045B X Y RECORDER SERIAL NUMBERS This manual applies directly to recorders with serial numbers prefixed 2047A For additional important information about serial numbers see Recorders Covered by Manual in Section Copyright HEWLETT PACKARD 1980 16399 W BERNARDO DRIVE SAN DIEGO CALIFORNIA 92127 MANUAL PART NO 07044 90006 Microfiche Part No 07044 90056 Printed NOVEMBER 1980 z 7 x n yatra mer MONA EA Lr Tir rere t EN Gh M N T s pe re parry Model 7044B 7045B Section I SECTION I INTRODUCTION 11 DESCRIPTION 1 2 BASIC FRAME 1 3 The
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