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© 2007 DH Instruments, a Fluke Company RPM4/HPMS A70M/A20M-AF™ Reference Pressure Monitor with High Pressure Mounting System Operation and Maintenance Manual NSN 6685-01-529-6990 RN (2 of 3).
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company High pressure liquids and ga ses are potentially hazard ous. Energy st ored in these liquids an d gases can be released unexpectedly and with extre me force.
TABLE OF CONTENTS Page I © 2007 DH Instruments, a Fluke Company T T A A B B L L E E O O F F C C O O N N T T E E N N T T S S TABLE OF CONTENTS ............................................................... I TABLES ...................................
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page II 3.2 GENERAL OPERATIN G PRINCIPLES ................................................................................................. 18 3.2.1 PRESSURE READY/NOT RE ADY .
TABLE OF CONTENTS Page III © 2007 DH Instruments, a Fluke Company 4. REMOTE O PERATION ....................................................... 73 4.1 OVERVIEW ...........................................................................................
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page IV 6. TROUBLESH OOTING ....................................................... 129 7. APPENDIX ......................................................
TABLES & FIGURES Page V © 2007 DH Instruments, a Fluke Company T T A A B B L L E E S S Table 1. RPM4/HPMS A7 0M/A20M-AF Parts List .................................................................................... ... 6 Table 2. Settings and what they are specific to (range, measurement mode, Q-RPT, system) .
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page VI F F I I G G U U R R E E S S Figure 1. Typical PGC-10 000-AF installation la yout .................................................................
ABOUT THIS MA NUAL Page VII © 2007 DH Instruments, a Fluke Company A A B B O O U U T T T T H H I I S S M M A A N N U U A A L L This manual is intended to provide the user wi th the basic informatio n necessary to operate an RPM4/HPMS A70M/A20M referen ce pressure moni tor with high pressure m ounting system.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page VIII N N O O T T E E S S.
1. INTRODUCTION Page 1 © 2007 DH Instruments, a Fluke Company 1 1 . . I I N N T T R R O O D D U U C C T T I I O O N N 1.1 PRODUCT OVER VIEW RPM4/HPMS A70M/A20M-AF is the combinatio n of an RPM4 A70M/A20M-AF referen ce pressure monitor and an HPMS High Pressure Mounting Syste m.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 2 1.2 SPECIFICA TIONS 1.2.1 GENERAL SPECIFICATIONS Power Requirements: 85 to 264 VAC, 50/60 Hz, 25 VA max consumption and 12VDC, 1.
1. INTRODUCTION Page 3 © 2007 DH Instruments, a Fluke Company 1.2.2 PRESSURE MEASUREMENT SPECIFICATIONS 1.2.2.1 QUARTZ REFERENCE PRESSURE TRANSDUCERS (Q-RPT) RPM4 A70M/A20M is configure d with tw o quartz reference pressure transducers (Q-RPT) mo dules to measu re pressur e.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 4 N N O O T T E E S S.
2. INSTALLATION Page 5 © 2007 DH Instruments, a Fluke Company 2 2 . . I I N N S S T T A A L L L L A A T T I I O O N N 2.1 UNP ACKING AND INSPECTION RPM4/HPMS A70M/A20 M-AF is usually delivered as p art of an PGC-10000-AF sy stem which includes a GPC1-10000-AF gas pressu re contro ller and a GB-152-AF gas booster.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 6 2.1.2 INSPECTING CONTENTS Check that all items are present and have no visi ble damage. If damage is noted, report it to your Receiving Department for appropri a te action.
2. INSTALLATION Page 7 © 2007 DH Instruments, a Fluke Company Each of the three compon ents of the PGC-10000-A F system has its own Op eration and Maintenance Manual and individual setup and start u p instructions. Figure 1 shows the typical setup co nfiguration of a complete PGC-10000-AF system.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 8 2.4 SETUP 2.4.1 PREPARING FOR OPERATION To prepare RPM4 for check out and operation: Remove the plastic plug from the RPM4/HPMS rear panel TEST connection.
2. INSTALLATION Page 9 © 2007 DH Instruments, a Fluke Company 2.4.2.2 RPM4/ HPMS REAR VIEW Figure 3. RPM4/HPMS rear view 1. Foot switch (remote [ENT]) cable connector 2.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 10 2.4.2.3 RPM4/ HPMS SIDE VIEW 1. Lo Q-RPT shut off valve 2. RPM4/HPMS A70M/A20M Reference Pressure Monitor 3. Pressure relief valve (3 300 psi) 4. Foot switch (remote [ENT]) cable connector 5.
2. INSTALLATION Page 11 © 2007 DH Instruments, a Fluke Company 2.4.3.2 RPM4 REAR PANEL 1. 12VDC Power Supply Connection 2. Accessories connector (to HPMS rear panel FOOTSWITCH and LEDs) 3. IEEE-488 Connector 4. COM2 Connector 5. COM1 Connector 6. Power Switch 7.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 12 US E THE CORRECT PR ESSURE CONNEC TORS: The RPM4/HP MS TEST port fitti ng is a DH500 F (see Section 1.2.1). It is NOT a 1/8 in. NPT F. Never use a fitting other than the corresponding male fitting in these connectors.
2. INSTALLATION Page 13 © 2007 DH Instruments, a Fluke Company 2.5 POWER-UP AND VERIFICA TION 2.5.1 SWITCH POWER ON A ct ua te th e p ow er sw i t ch on th e R P M 4 r ea r p a n e l. Obse rve the front panel display as RPM4 initializes, error checks an d goes to the MAIN RUN screen (se e Section 3.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 14 It is normal for RPM4 to indicate a value other than zero when vented when gauge mode is first entered or ranges are changed, es pecially if AutoZ is OFF, RPM4 has been OFF for some tim e or its location has change d.
3. OPERATION Page 15 © 2007 DH Instruments, a Fluke Company 3 3 . . O O P P E E R R A A T T I I O O N N 3.1 USER INTERF ACE RPM4/HPMS is designed to offer the optimum balanc e between simple, straigh t forward operation and the availability of a wide variety of functions with a high level of operato r discretion if desired.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 16 PRESSURE1UNITM hzRR DDISPLAYFUCNION nn/nn DISPLAY FIELD NA ME PURPOSE CONTENTS SECTION 1. PRE SSURE1 Measured pressure Displays pressure measured by the active Q-RPT Numerical pressure value and sign.
3. OPERATION Page 17 © 2007 DH Instruments, a Fluke Company 3.1.2 FUNCTION / DATA KEYPAD LAYOUT AND PROTOCOL The RPM4 has a functi on/data keypad for local ope rator access to di rect functions, function menus and for data entry.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 18 3.1.3 REMOTE [ENT] (ENTER) FOOTSWITCH Operating the footswitch is the equivalent of pressing [ENT] on the front panel. The remote ENTER feature can be particul arly convenient when running Au toTests (see Section 3.
3. OPERATION Page 19 © 2007 DH Instruments, a Fluke Company 3.2.2 GAUGE MODE, DYNAMIC COMPENSATION FOR ATMOSPHERIC PRESSURE The RPM4 A70 M/A20M-A F Q-RPTs are intri nsically ab solute but they are also u sed for gauge measureme nt mode (see Section 3.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 20 The ranges available on th e RPM4 are accessed usi ng [RANGE] (see Section 3.
3. OPERATION Page 21 © 2007 DH Instruments, a Fluke Company The Lo Q-RPT isolation v alve (3) isolates and protects the Lo Q-RPT from the TEST port when it is closed (kno b fully CCW) and opens th e Lo Q-RPT to the TEST po rt when it is open (knob fully CW).
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 22 1. RPM4 A70M/A20M-AF Referenc e Pressure Monitor 2. Lo Q-RPT shut-o ff valve position LED 3. Lo Q-RPT shut-o ff valve 4. Lo Q-RPT active valve position LED 5.
3. OPERATION Page 23 © 2007 DH Instruments, a Fluke Company 1. HPMS TEST port (DH500 F) 2. Connection to RPM4 Lo Q-RPT (A20M) (3 000 psi) 3. Lo Q-RPT pressure relief valve (3 300 psi) 4. Lo Q-RPT shut off valve 5. RPM4 A70M/A20M-AF Reference Pressure Monitor 6.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 24 3.2.6 DIRECT FUNCTION KEYS SUMMARY Table 3 provides a brief summary of R PM4 dire ct fu nction k ey o pera tion.
3. OPERATION Page 25 © 2007 DH Instruments, a Fluke Company Ranges created using A utoRange or AutoTest may be saved, with their settings, for reactivation (see Section 3.4.1). The [RANGE] function key allows the available RPM4 pressure ranges to be viewed and selected.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 26 3.3.2 [UNIT] PURPOSE To select the unit of measure in which RPM4 displ ays pressure values. To select the measurem ent mode (absolute, gauge), use [MODE] (see Section 3.
3. OPERATION Page 27 © 2007 DH Instruments, a Fluke Company 3.3.3 [MODE] PURPOSE To set the measurement mode (ab solute, gauge) for the active range.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 28 PRINCIPLE RPM4 A70M/A20M-AF is designed to su pport the cali bration and te st of a very wide variety of test ranges in absolute and gauge me asurem ent modes.
3. OPERATION Page 29 © 2007 DH Instruments, a Fluke Company OPERATION To use the AutoRange function, press [AutoRa nge] and respond to the RPM4’ s prompts. Select AutoRange measurement mode: The screen is identical in appea rance and function to the [MODE] screen (see Section 3.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 30 The principle of the LEAK CHECK fun ction is the measurement of t he natural decrease or increase of pressure in a fixed volume over time. The LEAK CHECK function allows a leak check time to be set.
3. OPERATION Page 31 © 2007 DH Instruments, a Fluke Company Leak check is range specific in the sense that a leak check is run using the active range. However, only one set of leak check resu lts is maintained in memory and each lea k test completed overwrites the memory.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 32 OPERATION To set the DISPLAY function press [DISPLAY] from the main run screen. The display is: 1avg 2rate 3dev 4RPT 5HiLo 6freeze 7clean The cursor is on the active DISPLAY function.
3. OPERATION Page 33 © 2007 DH Instruments, a Fluke Company The Average DISPLAY has a second screen that allows the instantaneous pressure readings to be viewed while an averaging cycle is running. The instantaneous Average scree n is: 1. Instantaneous pressure values at RPM4’s normal update rate.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 34 OPERATION To activate the Rate DISPLAY press [DISPLAY] , <2R ate>. Pressing <2Rate> returns to the main run screen with the Rate DISPLA Y active.
3. OPERATION Page 35 © 2007 DH Instruments, a Fluke Company With the Deviation DISPLAY active the main run screen is: 1. Deviation of current pressure fro m the target value. 2. Target value. 8998.2 psi a zH3 D -1.8 T9000.0 Pressing [ENT] from the main run screen when the Deviation DISPLAY is active goes directly to the Target editing screen.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 36 With the RPT DISPLAY active the main run screen is: 1. Active Q-RPT display. 2. Inactive Q-RPT display with Ready/Not Ready indicator on far left ( <*> indicates Ready ).
3. OPERATION Page 37 © 2007 DH Instruments, a Fluke Company 3.3.6.6 Freeze PURPOSE To activate the Freeze DISPLAY. See Section 3.3.6, Principle. OPERATION To activate the Freeze DISPLAY press [DISPLAY] , <6F reeze> . Pressing <6Freeze> returns to the main run screen with the Freeze DISPLAY active.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 38 3.3.7 [HEAD] PURPOSE To cause a pre ssure fluid head corre ction to be added to o r subtrac.
3. OPERATION Page 39 © 2007 DH Instruments, a Fluke Company When a head correction is being applied, it is indicated by <h> i n the fourth character from the right in the top line of the MAI N RUN screen (see Section 3.1.1). When the head correctio n is zero, the <h> is not shown.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 40 Before running AutoZ in gauge mode, en sure that the pressure applied to the Q-RPT is truly zero gauge (atmospheric pre ssure).
3. OPERATION Page 41 © 2007 DH Instruments, a Fluke Company If running AutoZ results in a value of P offset that is greater than ± 0.005 % FS of th e span of the Q-RPT that is being Auto Zer oed, the Q-RPT a nd/or the reference used as the source of P std,0 may be out of tolerance or the Au toZ process may h ave been f aulty.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 42 Run AutoZ by COM2 AutoZ by COM2 allows the value of P std,0 (see Secti on 3.5.1 Principl e) to be read automatically from a DHI RPMx connected to the RPM4 COM2 communications port.
3. OPERATION Page 43 © 2007 DH Instruments, a Fluke Company 3.3.10 [ENT] (RUN AUTOTEST) PURPOSE To run the AutoTest function which ru ns a calibration test seque nce (Quick Test or File Te st). Run AutoTest is accesse d by pressing [ENT] from th e Rate or Clean DISPLAY mode (see Section 3.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 44 • Stability test for Ready/Not Read y indication(see Section 3.2.1): The DUT tolerance divided by 10, or 2 ppm of Q-RPT span, whichever is greate r.
3. OPERATION Page 45 © 2007 DH Instruments, a Fluke Company • < DUT tol erance :>: Enter the DUT measureme nt uncertainty, accu racy or precision sp ecificatio n as desired in ± % FS (percent of full scale). Thi s value wil l be used to determine appropriate RPM4 re solution and stabilit y t est setti ngs.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 46 The display is: 0.0 psi g Lo E xercise DUT & [ENT] The top line is t he stand ard RPM4 run scre en indicating t he current measured pressure (see Se ction 3.
3. OPERATION Page 47 © 2007 DH Instruments, a Fluke Company 3.4 [SETUP] PURPOSE [SETUP ] accesses a menu of func tions and feat ures commonly used in setting up an d using RPM4. OPERATION To access the SETUP menu, press [SETUP] from t he MAIN RUN screen.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 48 Press [ENT] to sav e the range or [ESC] to re turn to the MAIN RUN s cr e en w it h ou t saving the range. Default (<DF>) Q-RPT ranges cannot be saved.
3. OPERATION Page 49 © 2007 DH Instruments, a Fluke Company OPERATION To access the resolution function, press [SETUP] , <2res> . The display is: Display resltn: Hi 0.0010 %FS < and > Use the cursor control keys to set th e desired level o f resolution.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 50 3.4.4 <4UL> (UPPER LIMIT) PURPOSE To set the upper press ure limit value for a pr essure range and measurement mode. PRINCIPLE The UPPER LIMIT function provides the user with a settable press ure limit at which an alarm sounds.
3. OPERATION Page 51 © 2007 DH Instruments, a Fluke Company The over pressure fu nction causes the m easured pressure display to flash. T he overpressure fun ction also logs the time an d date of the overpr essure condition i n both user and factory logs to assist in incident diagnosis (see Section 3.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 52 1. Full scale of the AutoTest with pressure unit of measure and measurement mode. 2. Number of test points executed/ total number of points in the AutoTest.
3. OPERATION Page 53 © 2007 DH Instruments, a Fluke Company A File AutoTest definition file defines: • The identifying number of the File AutoTest definition file. • Pressure measurement mode (gauge or absolute). • Pressure unit of measure. • DUT full scale in pressure unit of measure and measurement mode.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 54 Enter the tolerance in % of full scale (measurement uncertainty , precision or accuracy as desired) of the DUT to be calibrated using this File AutoTest.
3. OPERATION Page 55 © 2007 DH Instruments, a Fluke Company <7intern> Access internal functions in cluding on-board barometer viewing, read rate adjustment, i n c id e n t log viewing (see Section 3.5.7). <8cal> View and adjust RPM4 Q-RP T and barometer calib ration coefficient s (see Sections 3.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 56 being AutoZeroed. Giv en the high pres sure range of the RPM4 Q-RPTs, adequ ate uncertainty is easily available from a variety of digital b ar om ete rs or , f or th e H i Q -R PT , by t he Lo Q-RPT.
3. OPERATION Page 57 © 2007 DH Instruments, a Fluke Company Recommendations for the Use of the AutoZ Func tion The AutoZ function provides a powerful and easy to use tool fo r improving the stability over time of RPM4 Q-RPTs and maximizing the re calibration interval by compen sating for zero drift between full recalibrations.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 58 3.5.1.1 EDIT AUTOZ T h e e d i t A u t o Z f u n c t i o n s h o u l d b e u s e d o n l y w i t h g r e a t c a r e a s e n t e r i n g inappropriate values may result in out of tolerance measuremen ts.
3. OPERATION Page 59 © 2007 DH Instruments, a Fluke Company 3.5.2.1 <1COM1, 2COM2> The COMx ports can be set for specific communications settings.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 60 The display prompts you to connect COM1 to COM2 usin g a standard pin-to-pin DB-9F to DB-9M RS232 cable (s ee Se ction 4.2.1.1, 4.2.1.3). Once the cab le has b een inst alled, press [ENT] to run the se lf-test.
3. OPERATION Page 61 © 2007 DH Instruments, a Fluke Company To access the PREFS menu pre ss [SPECIAL] , <5prefs> . The display is: 1ScrSvr 2sound 3time 4ID 5level The PREFS menu includes: <1ScrSvr> View and change the screen saver activation time (see Section 3.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 62 The sound function only affects the valid key press tone. The invalid key press tone and other RPM4 soun ds cannot be adjusted or suppressed. 3.5.
3. OPERATION Page 63 © 2007 DH Instruments, a Fluke Company 3.5.5.5 <5LEVEL> (SECURITY) PURPOSE To set user protection levels to rest rict access to certain functions and to edit the password required for chan ging user levels.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 64 The security levels are stru ctured to support typical le vels of operation as shown in Table 6. Specifically, the security le vels prevent execution of the functions accessed by t he key stroke s mar ked by “• ”: Table 6.
3. OPERATION Page 65 © 2007 DH Instruments, a Fluke Company OPERATION RPM4 is delivered with no active password and access to the User Level menu is open. Th e u s e r l e ve l i s s e t t o <1Low> . User levels can be changed freely until a password has been created.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 66 customizes the [UNIT] fu nction key to support his/h er most commonly used units.
3. OPERATION Page 67 © 2007 DH Instruments, a Fluke Company The INTERNAL menu choices incl ude: <1baro> View the real time output of the RPM 4 on-board barometer (see Section 3.5.7.1). <2ReadRt> Turn ON and OFF RPM4’s automated, rate of change depende nt, reading and integration and display rate feature (see Section 3.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 68 When the automated read rate function is ON, three pre ssure rate of chan ge dependent read rates are used. The result is three d isplay update rates: Table 8.
3. OPERATION Page 69 © 2007 DH Instruments, a Fluke Company OPERATION To view the event log pres s [SPECIAL] , <7internal> , <5log> . The oldest logge d event appears. Pre ssing [ENT] steps through the lo gged events from th e oldest to the most recent and ending with the option to clear the log, <1no> , <2yes> .
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 70 Table 9. Reset – Sets RESET RESULT SEE SECTION [UNIT] Pressure unit of measure to first of t he six available ( psi) 3. 3. 2 [MODE] Measurement mode to the native mode of the Q-RPT (abso lute) 3.
3. OPERATION Page 71 © 2007 DH Instruments, a Fluke Company 3.5.9.4 <4 CAL> PURPOSE The Reset - Cal function will rese t the Q-RPT and barometer calibration coefficients and reset AutoZ values to zero . This will c hange the RPM4 calibration and could cause it to make out of tolerance measureme nts.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 72 N N O O T T E E S S.
4. REMOTE OPERATION Page 73 © 2007 DH Instruments, a Fluke Company 4 4 . . R R E E M M O O T T E E O O P P E E R R A A T T I I O O N N 4.1 OVER VIEW Most of the RPM4 front panel functions can also be executed by com mands from a remote compute r.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 74 4.2.1.2 IEEE-488 The RPM4 IEEE-488 interface is located on the back of the unit . The physical and electrical interface conforms to IEEE Std 488.1-1987 Subset E2 and IEEE Std.
4. REMOTE OPERATION Page 75 © 2007 DH Instruments, a Fluke Company 4.3.1 CLASSIC PROGRAM MESSAGE FORMAT Each program message sent is also a query. You can only send one p rogram message to the RPM4 at time. After sendin g any program messa ge, you must wait for the RPM4 to reply before sending anothe r program message.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 76 Examples: • IEEE-488 enhanced mode command series using query operator: “*CLS?” (Clear the error queue. Wait for reply) “UNIT? KPA” (Generates a reply.
4. REMOTE OPERATION Page 77 © 2007 DH Instruments, a Fluke Company 4.4 COMMANDS 4.4.1 PROGRAMMING MESSAGES Some commands accept an optional suffi x. This suffix can be used to specify the expli cit Q-RPT to address. In most cases , each Q-RPT in the RPM4 operates as an independen t measurement device.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 78 4.4.2 ERROR MESSAGESS Table 15. Error #s and descr i ptions REPLY DESCRIPTION ERR# 0 “OK” E.
4. REMOTE OPERATION Page 79 © 2007 DH Instruments, a Fluke Company 4.4.3 PROGRAM MESSAGE DESCRIPTION OVERVIEW Each program message descriptio n is separated into the following sections: Purpose A brief description of the programs message’s function.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 80 4.4.4 PROGRAM MESSAGE DESCRIPTIONS # Purpose To allow the host PC to communicate with a device connected to the RPM4 COM2 port. Classic “#xx ” Arguments xx: The string to send out of the RPM4 COM2 port.
4. REMOTE OPERATION Page 81 © 2007 DH Instruments, a Fluke Company AR ANG E n Purpose Read or set a new AutoRange range to use. Command Query “ARANGE n Range, unit, mode (,RptLabel) ” (set to use.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 82 AUT OZ ER O n Purpose Read or set the status of the AutoZ function.
4. REMOTE OPERATION Page 83 © 2007 DH Instruments, a Fluke Company COM1 Purpose Read or set th e RS232 settings for the COM1 port. Command Query “COM 1 baud, parity, data, stop ” “COM1?” Classic “COM1= baud, parity, data, stop ” “COM1” Arguments Baud: Th e baud rate.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 84 CONT n Purpose Have the RPM4 reply continuously as each new measurement becomes available. Query “CONT n ?” Classic “CONT n ” Optional Suffix “n” The active Q-RPT is assum ed if no suffix is given.
4. REMOTE OPERATION Page 85 © 2007 DH Instruments, a Fluke Company GPIB Purpose Read or set the GPIB interface address. Command Query “GPIB addr ” “GPIB?” Classic “GPIB= addr ” “GPIB”.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 86 L2 / L3 Purpose Read or set th e type of program command format to use (classic or enhanced).
4. REMOTE OPERATION Page 87 © 2007 DH Instruments, a Fluke Company MMODE n Purpose Read or chan ge the active measurement mode. Command Query “MMODE n mod e ” “MMODE n ?” Classic “MMODE n = mode ” “MMODE n ” Optional Suffix “n ” The active Q-RPT is assum ed if no suffix is given.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 88 PCAL n Purpose Read or set th e calibration information for the Hi or Lo Q-RPT. Command Query “PCAL n adder, mult, CalDate ” “PCAL n ?” Classic “PCAL n= adder, mult, CalDate ” “PCAL n ” Defaults “PCAL n = 0.
4. REMOTE OPERATION Page 89 © 2007 DH Instruments, a Fluke Company PRR Purpose Read the next available Ready condition, pressure measurement, rate and on-board barometer reading. Query “PRR?” Classic “PRR” Optional Suffix “n” The active Q-RPT is assum ed if no suffix is given.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 90 RA NGE Purpose Change the active range to the default range of the Hi or Lo. Replies the active range full scale, pressure unit and measurement mode.
4. REMOTE OPERATION Page 91 © 2007 DH Instruments, a Fluke Company READYCK n Purpose Read or set th e Ready check flag. Command Query “READYCK n 1” “READYCK n ?” Classic “READYCK n =1” “READYCK n ” Optional Suffix “n” The active Q-RPT is assum ed if no suffix is given.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 92 RESET Purpose Reset the user’s settings to factory defaul ts. Corresponds to front panel “Reset – Se ts”. Command “RESET” Classic “RESET” Remarks The RPM4 has user settings (units, resolution, etc.
4. REMOTE OPERATION Page 93 © 2007 DH Instruments, a Fluke Company SN Purpose To read the serial number of the RPM4. Query “SN?” Classic “SN” Remarks The RPM4 is serialized.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 94 SS n Purpose Read or set the current p ressure stability limit. Command Query “SS lim it ” “SS?” Classic “SS= limit ” “SS” Optional Suffix “n” The active Q-RPT is assum ed if no suffix is given.
4. REMOTE OPERATION Page 95 © 2007 DH Instruments, a Fluke Company UDU Purpose Read or set the u ser defined pressure unit. Command Query “UDU label, ucoef ” “UDU?” Classic “UDU= label, ucoef ” “UDU” label: User unit label (4 alphanumeric char maximum).
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 96 UNIT n Purpose Read or set the p ressure unit of measure unit and measurement mode.
4. REMOTE OPERATION Page 97 © 2007 DH Instruments, a Fluke Company ZOFFSET n Purpose Read or set the AutoZ pressure offset (P offset ) for the specified or active Q-RPT in the current measurement mode.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 98 4.5.2 STATUS BYTE REGISTER The RPM4 contains an 8 bit Sta tus Byte Re gister th at reflects the ge neral status of the R PM4.
4. REMOTE OPERATION Page 99 © 2007 DH Instruments, a Fluke Company MAV Message Available Bit 4 (16) Indicates that at least one reply m essage is waiting in the RPM4 IEEE-488 output queue. ERROR Error Queue Not Empty Bit 2 (4) Indicates tha t at least one command error message is waiting in the RPM4 IEEE-488 error message que ue.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 100 4.5.4 READY STATUS REGISTER The RPM4 contains an 8 bit Ready Status Regi ster that reflects spe cific RPM4 Q-RPT measurement ready events. Enable d events in this re gister will set or clear the RSB bit of the Status Byte Register.
4. REMOTE OPERATION Page 101 © 2007 DH Instruments, a Fluke Company 4.6 IEEE STD. 488.2 COMMON AND ST A TUS PROGRAM MESSAGES The RPM4 supports a set of commands that are common to all instruments conforming to IEEE Std. 488.2. These comma nd make it easy to perform basic function for an y device tha t supports thes e commands.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 102 ∗ IDN Purpose Identify the RPM4 version, range, and serial number. Query “ ∗ IDN?” Remarks The identification reply is made up of t he manufacture, the model, the serial number and the software version.
4. REMOTE OPERATION Page 103 © 2007 DH Instruments, a Fluke Company *RSE Purpose Read or set the Ready Status Enable Register. Command Query “RSE n ” “RSE?” Default “RSE 0” Arguments n: ’0 to 255’ This is the d ecimal representati on of the bit(s ) to enable.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 104 N N O O T T E E S S.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 105 © 2007 DH Instruments, a Fluke Company 5 5 . . M M A A I I N N T T E E N N A A N N C C E E , , A A D D J J U U S S T T M M E E N N T T S S A A N N D D C C A A L L I I B B R R A A T T I I O O N N 5.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 106 If the RPM4 is used only in gau ge mode, Autozeroing in absolut e mode is not necessary and vice-versa. Gauge and absolute mode Autozeroing are completely independent one from the other.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 107 © 2007 DH Instruments, a Fluke Company Never apply a pressure greater than 16 psi ( 110 kPa) to the barometer port.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 108 As editing PA and PM values changes Q- RPT calibration, they should only be edited by qualified personnel as part of t he calibration process.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 109 © 2007 DH Instruments, a Fluke Company pressures. Absolute p ressures are be defined by ad di ng at m os ph eri c pr es sur e m ea su red by a barometer to gauge pressure defined by the piston gauge.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 110 5.3.4 RECOMMENDED CALIBRATION POINT SEQUENCE Calibration adjustments to RPM4 Q-RPTs are made by alteri ng calibration coefficients, PA and PM (see Section 5.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 111 © 2007 DH Instruments, a Fluke Company OPERATION See Section 5.3.7 for more detailed information on e diting and viewing Q-RPT calibration information. Turning absol ute mode operation O N and OFF fo r a Q-RPT occurs in the same area in whi ch calibration coefficients are edited.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 112 To access Q-RPT calibration information viewin g or editing press [SPECIAL] , <8Cal> . Select the desired Q-RPT. The < 1view > selection displays the calibration i n formation fields.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 113 © 2007 DH Instruments, a Fluke Company Before proceeding to adjust a Q-RPT without using Ca lTool for Q-RPTs so ft war e, Se cti on s 5. 3.1 , 5. 3. 2, 5.3.3 and 5.3.4. OPERATION The typical procedure for adjusting a Q-RPT is: Set-up and prepare the RPM4 for calibrat ion (see Sections 5.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 114 5.4 RPM4 REP AIR 5.4.1 REMOVING RPM4 FROM HPMS The RPM4/HPMS is an integrated asse mbly. Th e RPM4 should not be re moved from the HPMS unless it is nece ssary for RPM4 and/or HPMS repa irs.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 115 © 2007 DH Instruments, a Fluke Company 5.4.2 OPENING AND CLOSING THE RPM4 ENCLOSURE To open the RPM4 ca se, first remove the RPM 4 from the HPMS (see Section 5.4.1). Once the RPM4 is removed from the HPMS, proceed as follows: n Place the RPM4 bottom side up on a stable, flat surface.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 116 web or have difficulty downloading or loading software, contact your DHI representative or a DHI Authorized Service Provider (see Table 23) for assi stan ce.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 117 © 2007 DH Instruments, a Fluke Company 5.4.4.2 POWER SUPPLY MODULE + 12 V DC (± 2 %) @ 2.1 Amps 5.4.4.3 DRIVER BO ARD The driver board is controlled by the mini mic ro board (see Section 5.4.4. 1).
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 118 5.4.4.7 COOLING FAN The cooling fan i s mounted on the RP M4 rear panel and connected to the mai n board. It is a 12V brushless DC fan. 5.4.5 Q-RPT MODULE PNEUMATI C SCHEMATIC Figure 14.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 119 © 2007 DH Instruments, a Fluke Company Table 22. RPM4 Rear Panel Illustrated Parts Breakdo wn (see Figure 16) # REQUIRED DESCRIPTION PA RT NO. 1 Rear panel 124154 8 Screw .30C100MXFS 1 Fan D2510M12B 1 Fan guard JGW25 2 Screw .
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 120 Table 23. RPM4 Illustrated Parts Breakdown of Display Assembly (see Figure 17) # REQUIRED DESCRIPTION PA RT NO. 1 Display assembly 103122 1 Ribbon cable 401963 1 Panel, front 123566 2 Standoff, M3 SS-5172-14.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 121 © 2007 DH Instruments, a Fluke Company Table 24. RPM4 Illustrated Parts Breakdown of Internal Assembly (see Figure 18) # REQUIRED DESCRIPTION PART NO . 1 Bracket, barometer 123549 1 Barometer assembly 401898-06 1 Cable assembly, barometer 401966 8 Screw .
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 122 Table 25. RPM4 Illustrated Parts Breakdown of Internal Assembly (see Figure 19) # REQUIRED DESCRIPTION PART NO . 1 Manifold, A20M 123521 1 Manifold, A70M 124410 14 Screw, M3 .
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 123 © 2007 DH Instruments, a Fluke Company Table 26. RPM4 Illustrated Parts Breakdown of Electronic Chassis (see Figure 20) # REQUIRED DESCRIPTION PART NO . 1 Micro card 401365 4 Standoff SS-5172-200-00 10 Screw .
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 124 5.6 HPMS MAINTENANCE There are no HPMS maintenance pro ce dur es oth er than the overhaul procedure. 5.6.1 HPMS OVERHAUL RPM4/HPMS A70M/A20M-AF is generally overhauled a s one common assembly.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 125 © 2007 DH Instruments, a Fluke Company 5.7 HPMS ILLUSTRA TED P ARTS BREAKDOWN Table 27. HPMS Assembly Illustrated Parts Breakdown (see Figur e 21 and 22) # REQUIRED DESCRIPTION PART NO .
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 126 Figure 21. HPMS Schematic.
5. MAINTENANCE, ADJUSTMENTS AND CALIBRATIONS Page 127 © 2007 DH Instruments, a Fluke Company Figure 22. RPM4/HPMS-AF Assembly.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 128 N N O O T T E E S S.
6. TROUBLESHOOTING Page 129 © 2007 DH Instruments, a Fluke Company 6 6 . . T T R R O O U U B B L L E E S S H H O O O O T T I I N N G G RPM4 is a sophisticated pressure setting and measuring instrument with advanced on-board features a nd functions.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 130 SYMPTOM PROBABLE C AUSE SOLUTI ON The Q-RPT range does not cover the specified AutoRange full scale pressure. Che ck th at Q-R PT default range is high enough to cover the AutoRange.
6. TROUBLESHOOTING Page 131 © 2007 DH Instruments, a Fluke Company SYMPTOM PROBABLE C AUSE SOLUTI ON Incorrect pressure units and/or measurement mode (gauge or absolute). Set desired pressure units and /or measurement mode. Co nsider reference temperature if unit is inWa.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 132 N N O O T T E E S S.
7. APPENDIX Page 133 © 2007 DH Instruments, a Fluke Company 7 7 . . A A P P P P E E N N D D I I X X 7.1 UNIT CONVERSION 7.1.1 PRESSURE RPM4 performs all inte rnal calculations in SI units. Numer ical values input or outp ut in other units are converted to SI immedia tely after entry an d back to other unit s just before o utput as needed.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 134 N N O O T T E E S S.
8. WARRANTY Page 135 © 2007 DH Instruments, a Fluke Company 8 8 . . W W A A R R R R A A N N T T Y Y 8.1 OVER VIEW Except to the extent limited or otherwise provided herein, DH Instruments, a Fluke Co.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 136 N N O O T T E E S S.
9. GLOSSARY Page 137 © 2007 DH Instruments, a Fluke Company 9 9 . . G G L L O O S S S S A A R R Y Y Axxx A type of Q-RPT with a built-in vacuum reference that is intrin sically absolute (e.g. A 10M). Axxx Q-RPTs support absolute, g auge and ne gative gauge measurement modes.
RPM4/HPMS A70M/A20M-AF OPERA TION AND MAINTENANCE MANUAL © 2007 DH Instruments, a Fluke Company Page 138 P offset The difference between a Q-RPT reading and the AutoZero reference at the time AutoZ is run. Used by the AutoZ function when Auto Z is ON to compensate Q-RPT readings for changes in zero over time.
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