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7. MAINTENANCE, ADJUSTMENTS AND CALIBRATION

Page 193

To view and edit the Poffset values for the Hi or Lo RPT use

[Settings],

<More >>>, <Calibration>, <Hi RPT> or <Lo RPT>, <AutoZ>

(See Section

5.7.5.1).

Absolute AutoZ:

On to turn AutoZ On, Off to turn Absolute AutoZ Off

Absolute Poffset:

Value of Poffset (AutoZ offset) in Absolute mode

Gauge AutoZ:

On to turn Gauge AutoZ On, Off to turn Gauge AutoZ Off

Gauge Poffset:

Value of Poffset (AutoZ offset) in Gauge mode

[OK]

to accept changes and return to the Main Run Screen.

[Back]

to return to

<Calibration>

and make no changes.

[Esc]



to exit to the Main Run Screen

and make no changes.

7.2.7.3 Q- RPT Uncertainty



PURPOSE

Configure end edit the settings for calculation and display of Q-RPT live
uncertainty (see Section 3.2.29).



OPERATION

The Uncertainty functions are located in

[Settings], <More >>>, <Calibration>, <Hi

RPT>

<Lo RPT>, <Uncertainty1>

<Uncertainty2>

7.2.7.3.1

Uncertainty1

This screen controls display and type of uncertainty as well as uncertainty in head
height.

Display:

to enable display of live uncertainty in Main Run

Screen,

Off

to disable display of uncertainty.

Type: Measured

Delivered

(including control components)

Head Height:

Uncertainty in head height (same units as Head)

[OK]

to accept changes and return to the Main Run Screen.

[Back]

to return to

<Calibration>

and make no changes.

[Esc]



to exit to the Main Run Screen

and make no changes.

7.2.7.3.2

Uncertainty2

This screen accesses values for uncertainty calculation components (see
Sections 3.2.29.1 and 3.2.29.3).

%Reading:

Relative uncertainty (% of Reading)

%Span:

Threshold uncertainty (% of AutoRange Span)

Scaling:

Scaling factor

%Max Span, AutoZ on:

Zero stability with AutoZ on (% of Q-RPT span)

%Max Span, AutoZ off:

Zero stability with AutoZ off (% of Q-RPT span)

[OK]

to accept changes and return to the Main Run Screen.

[Back]

to return to

<Calibration>

and make no changes.

[Esc]



to exit to the Main Run Screen

and make no changes.

Содержание PPC4

Страница 1: ...2009 DH Instruments a Fluke Company PPC4 Pressure Controller Calibrator Operation and Maintenance Manual...

Страница 2: ...ul Lane Phoenix AZ 85044 5318 USA DH Instruments makes sincere efforts to ensure accuracy and quality of its published materials however no warranty expressed or implied is provided DH Instruments dis...

Страница 3: ...ting To A Pressure Supply Supply Port 8 2 3 5 Connecting A Vacuum Pump Exhaust Port 9 2 3 6 Connecting External Q RPTS In RPM4 Reference Pressure Monitor 9 2 3 7 Connecting To The Device Under Test Te...

Страница 4: ...41 3 2 22 2 Run AutoZ 41 3 2 23 Drivers 42 3 2 24 Remote 42 3 2 25 Reset 43 3 2 25 1 Settings 43 3 2 25 2 Units 44 3 2 25 3 AutoTest 44 3 2 25 4 Calibration 44 3 2 25 5 All 45 3 2 26 Preferences 46 3...

Страница 5: ...Spec Prefs 74 4 5 5 1 ScrSvr 75 4 5 5 2 Sound 75 4 5 5 3 Time 75 4 5 5 4 ID 75 4 5 5 5 Level Security 76 4 5 6 Spec Punit 77 4 5 7 Spec Internal 78 4 5 7 1 Config 78 4 5 7 2 Control Ref 78 4 5 7 3 Ba...

Страница 6: ...20 5 7 9 1 COM1 and COM2 121 5 7 9 2 Command Format 121 5 7 9 3 IEEE 488 121 5 7 9 4 Ethernet 121 5 7 10 Calibration 122 5 7 11 Uncertainty 122 5 7 12 Internal 122 5 7 12 1 ID 122 5 7 12 2 Control Ref...

Страница 7: ...7 2 5 2 Advanced Interface 190 7 2 6 Q RPT Calibration Using CalTool for RPTs Software 191 7 2 7 Editing and Viewing Q RPT Calibration Information 191 7 2 7 1 Basic Interface 192 7 2 7 2 Advanced Inte...

Страница 8: ...PPC4 OPERATION AND MAINTENANCE MANUAL 2009 DH Instruments a Fluke Company Page VIII 9 1 Drivers 211 9 2 Unit Conversion 212 9 2 1 Pressure 212 10 Warranty 213 10 1 Overview 213 11 Glossary 215...

Страница 9: ...ields 89 Table 17 Advanced Interface Menu Structure 96 Table 18 PPC4 Cockpit Keyboard Shortcuts 130 Table 19 COM1 Pin Designations and Connections 131 Table 20 COM2 DB 9F Pin Designations 132 Table 21...

Страница 10: ...ple see Table 16 89 Figure 13 Keypad layout 90 Figure 14 AutoRange Bar 98 Figure 15 Windows Hardware Wizard 126 Figure 16 Driver Location 126 Figure 17 Browse for Driver Location 127 Figure 18 Driver...

Страница 11: ...imal risk of causing damage to yourself or your new PPC4 THEN when you have questions or start to wonder about all the great features you might be missing get into the manual Manual Conventions Note T...

Страница 12: ...ify conditions or actions that could cause harm to the PPC4 or to the devices that are connected to the PPC4 Warning Warning is used in throughout the manual to identify actions that could pose a haza...

Страница 13: ...compound gauge measurement modes 1 2 Specifications 1 2 1 General Specifications Power Requirements 100 to 240 VAC 15 10 50 60 Hz 70 VA max consumption Operating Temperature Range 10 to 40 C Storage...

Страница 14: ...uge Q RPTs can measure positive gauge pressure only BGxxx bi directional gauge Q RPTs can measure gauge and negative gauge pressure See Section 3 2 11 for additional information on absolute gauge and...

Страница 15: ...the Q RPT indication from the true value of applied pressure including precision predicted one year stability limit temperature effect and calibration uncertainty combined and expanded k 2 following t...

Страница 16: ...of span Precision Predicted Stability 0 1 of span 0 05 kPa yr 0 008 psi yr Note The on board barometer is only present in PPC4s that have an Axxx absolute BG15K bi directional gauge or G15K gauge int...

Страница 17: ...Check that all items are present and have no visible damage A PPC4 includes all items indicated in Table 2 Table 2 PPC4 Packing List DESCRIPTION PART 1 ea PPC4 Pressure Controller Calibrator 3336095...

Страница 18: ...point of the connection between the PPC4 TEST port and the test see Section 2 3 7 1 If you are using a G15K or BG15K Q RPT with a Dual Volume Unit DVU its location and connections should be considered...

Страница 19: ...ulti function keypad Vent Indicator Direct pressure control keys Cursor control keys Select and Enter knob Remote activity indicator USB connection Figure 1 PPC4 advanced interface front panel Ready N...

Страница 20: ...onnection Check that the PPC4 power switch is OFF Connect the supplied power cable to the rear panel power module Connect the other end of the power cable to an electrical supply of 100 to 240 VAC 50...

Страница 21: ...rt from vacuum to atmosphere or vice versa be sure to change the control reference setting if the setting is NOT in AUTO mode see Section 3 2 27 1 2 3 6 Connecting External Q RPTS In RPM4 Reference Pr...

Страница 22: ...Main Run Screen in the Advanced user interface Q RPTs with whom communication is established will be shown on the PPC4 display identified by their position see Table 3 Note For PPC4 to identify exter...

Страница 23: ...e under test to ensure that these are at the same pressure When using an Axxx Q RPT this connection must also be open to atmosphere When using a Gxxx or BGxxx Q RPT it is preferable that this connecti...

Страница 24: ...ee the PK PPC BG DVU instruction sheet for additional information on its installation 2 3 8 The ATM Port The PPC4 ATM port is the system vent to atmosphere point used to set zero gauge pressure as wel...

Страница 25: ...surement Operation 2 4 2 1 Checking Absolute Mode Pressure Measurement If the PPC4 is not vented VENT LED OFF to vent the PPC4 VENT LED ON see Section 3 2 14 and wait for a Ready indication see Sectio...

Страница 26: ...in gauge or bi directional gauge measurement mode PPC4 may need repair 2 4 2 2 1 Basic Interface Select Range in the Main Menu to change ranges if necessary and select the Axxx absolute Q RPT DF range...

Страница 27: ...rol Operation 2 4 5 1 Basic Interface Select a pressure range using in the Main Menu Range selection see Section 4 4 1 In the Main Menu press Setup Control Dynamic see Section 3 2 2 1 to return to the...

Страница 28: ...ended for short term storage of PPC4 Vent the PPC4 test pressure Turn the power OFF using the rear panel power switch Shut OFF or disconnect the pressure supply Shut OFF or disconnect the vacuum suppl...

Страница 29: ...l Operating Principles 3 2 1 Direct Pressure Control PURPOSE The direct pressure control keys provide direct manual control to increase decrease and jog the PPC4 pressure OPERATION or or for the Basic...

Страница 30: ...dy condition in static control or when PPC4 is idle control not active Note See Sections 3 2 2 1 and 3 2 2 2 Dynamic Control and Static Control for a detailed explanation of each control mode and its...

Страница 31: ...ccurs see Section 3 2 3 and pressure is readjusted to the target value see Figure 5 For default values for hold and stability limits see Table 5 and Table 6 To customize the hold and stability limits...

Страница 32: ...4 4 5 1 for Basic Interface and Section 5 7 8 2 1 for Advanced Interface Dynamic Control Ready Not Ready With dynamic pressure control active a Ready condition occurs whenever The current measured pre...

Страница 33: ...updating of the Poffset G value corresponding to atmospheric pressure Gauge pressure is the measured absolute pressure Pu minus the atmospheric offset Pgauge Pu Poffset G However atmospheric pressure...

Страница 34: ...he PPC4 RPT function see Section 4 5 12 for Basic Interface and Section 5 7 1 RPT Search for Advanced Interface is used to identify Q RPTs available to the PPC4 The PPC4 then manages the internal and...

Страница 35: ...RPT RPM4 if present External Lo X1L The display symbol is included in the upper right hand corner of most Basic Interface displays menus and in fields in AutoRange screens in the Advanced Interface 3...

Страница 36: ...rometer 7 2 7 3 7 4 3 2 7 Operation with a PG7000 Piston Gauge PPC4 can act as a pressure control source to automated setting pressure and floating the piston of a PG7000 gas operated piston gauge For...

Страница 37: ...n AutoRange full scale Gxxx over Axxx if spans are equal None Upper Limit Lower Limit Set maximum and minimum pressure control target limits Upper limit 105 of operator entered full scale pressure Low...

Страница 38: ...2 communications and COM port settings When an RPM4 is initialized as an external device to a PPC4 pressure controller the RPM4 front panel keypad is locked out and the second line of the display beco...

Страница 39: ...toRange may be saved with all their settings for reactivation see Section 5 7 1 for the Advanced Interface and Section 4 4 1 1 for the Basic Interface Range allows the available PPC4 pressure ranges t...

Страница 40: ...the pressure unit selected is a water column inches millimeters meters the reference temperature for water density must be specified In the Advanced User Interface the temperature is included as part...

Страница 41: ...positive pressure relative to the TEST port that is connected to atmosphere Gxxx Q RPTs support measurement in gauge mode only BGxxx Q RPTs with designators starting with BG measure positive and negat...

Страница 42: ...it The current pressure measured by PPC4 not zero should be used as the value of pressure applied to the device or system under test When PPC4 is given a command to set zero in absolute measurement mo...

Страница 43: ...e Control Parameters STATIC MODE DYNAMIC MODE HOLD LIMIT 1 of range span 50 ppm of range span 5 ppm of Q RPT span or 0 4 ppm of controller span whichever is greater STABILITY LIMIT 50 ppm of range spa...

Страница 44: ...ibration sequence and logs calibration data The Advanced Test function allows for the pressure at each target point to be adjusted so that the device under test reads a cardinal target pressure point...

Страница 45: ...ad function to ensure in tolerance measurements is most important in low absolute pressure ranges Specifying the head height within 3 in 7 5 cm is adequate to ensure that even in the worst case the un...

Страница 46: ...sed to actuate the SPLT exhaust valve When making use of valve drivers note that if the Purge function is enabled valve driver number 8 will be actuated independently of valve driver commands See Sect...

Страница 47: ...ts to be made However stabilization time may be much longer with larger volumes higher pressures or with liquid test media As a general rule the maximum acceptable leak rate for optimal PPC4 automated...

Страница 48: ...g the jog direct pressure control keys and for Advanced Interface and for Basic Interface PRINCIPLE The jog direct pressure control keys and increase or decrease pressure by a nominal amount each time...

Страница 49: ...the same range OPERATION For Basic Interface see Section 4 4 4 For Advanced Interface see Section 5 7 8 1 3 2 21 1 Over Pressure Function In addition to the UL function PPC4 has an over pressure func...

Страница 50: ...e pressure at which AutoZ is performed is normally atmospheric pressure and Pstd 0 value can be supplied by manual entry For Gxxx and BGxxx gauge Q RPTs or Axxx absolute Q RPTs in gauge measurement mo...

Страница 51: ...measurement modes the AutoZ routine is run automatically whenever the PPC4 is in the vented condition This ensures regular automated updating of the Poffset G value corresponding to atmospheric pressu...

Страница 52: ...to be AutoZeroed is available Keep range ratios in mind when comparing uncertainty A 0 01 FS barometer is roughly 10 times better than an 0 01 1 MPa 150 psi Q RPT because the Q RPT barometer pressure...

Страница 53: ...gauge measurement modes AutoZ is run automatically whenever the PPC4 is in the VENT condition Allow the PPC4 to stabilize at atmospheric pressure and ambient temperature for 10 to 15 minutes before ru...

Страница 54: ...format COM1 and COM2 ports are standard on all PPC4 controllers IEEE 488 GPIB and LAN ports are installed only if the appropriate communication option is purchased PRINCIPLE The PPC4 has two RS232 co...

Страница 55: ...et unit of measure functions see Section 3 2 25 2 AutoTest to reset AutoTest parameters and clear the AutoTest data log see Section 3 2 25 3 Calibration to reset internal calibration coefficients and...

Страница 56: ...list Sets the user defined unit s to default names and 1 000 Pa see Section 5 7 6 1 3 for the Advanced Interface or Section 4 5 6 for the Basic Interface OPERATION For Basic Interface see Section 3 2...

Страница 57: ...et All function clears and deletes large amounts of user defined information including critical calibration data Combines all resets in one global reset command that clears the entire user section of...

Страница 58: ...ro Basic Interface or off Advanced Interface eliminates the Screen Saver function so that the display permanently remains on and at full brightness OPERATION For Basic Interface see Section 4 5 5 1 Fo...

Страница 59: ...utoRange are always in English Remote commands and their responses are always in English regardless of language setting OPERATION Languages other than English are not available 3 2 26 5 Security PURPO...

Страница 60: ...ect all operating parameters It is intended to minimize operator choices for example to perform repeated identical calibrations under consistent conditions Caution PPC4 is delivered with the security...

Страница 61: ...e Settings Calibration Barometer Settings Calibration Hi RPT Settings Calibration Lo RPT Tools AutotTest Advanced Test Delete Tools AutotTest Advanced Test Edit Tools AutotTest Advanced Test New Tools...

Страница 62: ...ondition PRINCIPLE The PPC4 exhaust down control valves and the output of the exhaust pressure regulator are connected to the PPC4 EXHAUST port see Figure 31 The response of the pressure control modul...

Страница 63: ...face see Section 5 7 12 2 3 2 27 3 Barometer PURPOSE To view the value of atmospheric pressure as measured by the PPC4 on board barometer Note There is no on board barometer in PPC4 s that have Gxxx g...

Страница 64: ...Section 4 5 9 For Advanced Interface see Section 5 7 12 4 3 2 27 6 TEST Vent PURPOSE To cause a PPC4 or external RPM4 s Gxxx or BGxxx Q RPT TEST vent valve to stay open or closed rather than open and...

Страница 65: ...Manual Caution If the PPC4 detects a condition in which it determines there could be a risk of overpressure to the RPT by opening the TEST Vent valve when a Manual Open is requested a message indicati...

Страница 66: ...the relative and threshold uncertainties for a given measured pressure Figure 8 shows the relative of reading and threshold of span uncertainties as well as the resulting product uncertainty for a typ...

Страница 67: ...e zero stability of the Q RPT Two values may be specified one for when AutoZero is ON and one when AutoZero is OFF see Section 3 2 22 The values are expressed in percent of Q RPT span Zero stability i...

Страница 68: ...STABILTY AUTOZ ON 0 000 0 000 0 000 AUTOZ OFF 0 005 0 005 0 005 Does not apply to gauge type 3 2 29 5 Combining uncertainties 3 2 29 5 1 Measured Pressure Uncertainty Measured pressure uncertainty is...

Страница 69: ...dynamic mode uncertainty component is divided by the 3 because it is considered to be a rectangular distribution The denominator for the static control uncertainty component is divided by the 12 beca...

Страница 70: ...PPC4 OPERATION AND MAINTENANCE MANUAL 2009 DH Instruments a Fluke Company Page 58 Notes...

Страница 71: ...t and read pressures It provides complete information on the system s current configuration and operating status Figure 9 and its legend table summarize the Basic PPC4 Main Run Screen fields and their...

Страница 72: ...ndicates whether the AutoZero function is ON or OFF z AutoZ is ON blank AutoZ is OFF 3 2 22 6 RRH Active Q RPT position indicator Indicates the position of the active utility sensor or Q RPT in the PP...

Страница 73: ...DE E A AC CC CE ES SS S T TO O F FU UN NC CT TI IO ON N M ME EN NU US S W WH HE EN N P PR RE ES SS SE ED D F FR RO OM M T TH HE E M MA AI IN N R RU UN N S SC CR RE EE EN N Figure 10 Basic PPC4 Keypad...

Страница 74: ...ressure control key other than the jog keys see Section 3 2 20 Suspends control and executes direct pressure control Pressing any function key Suspends control and goes to the selected function Does n...

Страница 75: ...n 4 3 Basic Interface menus 4 3 1 Main Menu Tree Note to access the Main Menu tree from the Main Run Screen MENU SELECTION SEE SECTION Setup Range Save Delete Delete All 4 4 1 Setup Res 4 4 2 Setup Jo...

Страница 76: ...etup Range PURPOSE Save AutoRange ranges and associated settings for recall Delete previously saved AutoRange ranges 4 4 1 1 Saving An AutoRanged Range OPERATION To save a range created by AutoRange t...

Страница 77: ...eturn to the AutoRange screen without deleting a range To delete all of the saved AutoRange ranges press Setup Range Delete All If you are sure you want to delete all the ranges respond Yes to the Del...

Страница 78: ...ement mode indication Upper 104 00 IH Lower 110 00 kPa g Edit the upper and lower limit values as desired Use the cursor control keys to move between the two edit fields The lower limit must be a nega...

Страница 79: ...ontrol Limits from the Main Run Screen see Section 3 2 13 4 4 5 1 Limits Custom Control Parameters PURPOSE To view active pressure control parameters and or set custom control parameters OPERATION To...

Страница 80: ...to actuate the SPLT exhaust valve The SPLT exhaust valve is actuated when performing the PURGE function and in the background every time the PPC4 VENT function is used When making use of valve drivers...

Страница 81: ...sor Q RPT and barometer calibration coefficients see Section 4 5 8 7 2 7 3 and 7 4 Log View the PPC4 incident log see Section 4 5 9 4 5 1 Spec AutoZ PURPOSE To offset the PPC4 system Q RPTs relative t...

Страница 82: ...ent Q RPT reading is compared to a reference Pstd 0 at atmospheric pressure to determine a new value of Poffset The value of Poffset is then used by AutoZ to automatically correct the Q RPT for possib...

Страница 83: ...OM2 The user can also specify one or two termination characters as well as define these characters These are referred to as Term1 and Term2 These define the characters that mark the end of commands th...

Страница 84: ...displayed briefly followed by the conclusion The RS232 test has PASSED If a test fails Execution is suspended until is pressed Note The PPC4 RS232 test can fail for three reasons The RS232 cable bein...

Страница 85: ...SE To reset various PPC4 settings to default or factory values see Section 3 2 25 Caution PPC4 reset functions will change current settings to factory defaults These may include settings vital to PPC4...

Страница 86: ...on clears and deletes large amounts of user defined information including critical calibration data The Reset All resets are itemized in Table 10 Section 3 2 25 5 4 5 5 Spec Prefs PURPOSE To access a...

Страница 87: ...key press sound see Section 3 2 26 2 OPERATION To access the keypad sound adjustment function use Spec Pref Sound Lo Mid or Hi to adjust the valid key press tone frequency None to suppress the key pre...

Страница 88: ...ch is more convenient than entering characters from the keyboard see Section 6 5 4 ID command The ID is not cleared or reset by any RESET function see Section 3 2 25 4 5 5 5 Level Security PURPOSE To...

Страница 89: ...ary password is different for all PPC4 s and changes each time it is used 4 5 6 Spec Punit PURPOSE To customize the selection of pressure units of measure OPERATION From the Main Run Screen press Spec...

Страница 90: ...w or manually set the EXHAUST port condition see Section 4 5 7 2 Baro View the real time output of the on board barometer if present see Section 4 5 7 3 Purge Turn the automated purging function ON an...

Страница 91: ...o PURPOSE To view the value of atmospheric pressure as measured by the PPC4 on board barometer see Section 3 2 27 3 OPERATION Note PPC4s that have Gxxx Q RPTs no Axxx BGxxx or utility sensor are NOT e...

Страница 92: ...ation This is the default and recommended setting Open to cause the TEST valve to open and remain open regardless of PPC4 operation until the setting is changed Caution If the PPC4 detects a condition...

Страница 93: ...ction to the Mode screen see Section 4 5 15 The choice of measurement modes offered reflects all the Q RPT types available Axxx Gxxx BGxxx in the PPC4 system not just the active Q RPT Select pressure...

Страница 94: ...use a Q RPT other than the one selected by AutoRange use RPT in the Main Menu Only Q RPTs that can cover the specified full scale and measurement mode are shown when the desired Q RPT is displayed Ca...

Страница 95: ...ared previous leak test results the results screen displays Data not available briefly and returns to Main Run Screen or to return to the Main Run Screen 4 5 12 RPT PURPOSE Search for initialize and d...

Страница 96: ...on the number corresponding to the pressure unit of measure active for the current range To change the pressure unit of measure select the desired unit Making the selection returns to the Main Run Sc...

Страница 97: ...a Gxxx Q RPT is active only gauge measurement mode is supported When Mode is selected Gauge RPT gauge mode only is displayed 4 5 16 Head PURPOSE To edit the pressure fluid head correction added or sub...

Страница 98: ...irect pressure control keys see Section 3 2 1 or automated pressure control see Section 4 2 1 to set the purge pressure The purge pressure should be roughly the UUT full scale or 1 MPa 150 psi whichev...

Страница 99: ...mplete information on the system s current configuration and operating status Figure 11 shows the PPC4 Main Run Screen display fields and selectable fields Table 15 lists the contents and purpose of t...

Страница 100: ...Mode Control Status Indicator Indicate current control mode and control status Shortcut to control settings screen Control mode Static or Dynamic Indicator solid not controlling Indicator animated con...

Страница 101: ...rrently active tab Pressure Tabs Pressure Preferences Control and More Available tabs for selection Each tab contains selectable or editable fields Current AutoRange Range Value of range in currently...

Страница 102: ...ator LED Figure 13 Keypad layout 5 4 Conventions for the Advanced Interface 5 4 1 Navigation Controls and Keypad Menu navigation and selection with the graphical display is described in the text as fo...

Страница 103: ...operation from the Main Run Screen allows momentary viewing of the PPC4 model information screen Examples of typical screens and descriptions of how to navigate in them are shown in the following exam...

Страница 104: ...ic Value Settings Pressure Pressure Unit User units User Defined 1 To create or edit a User defined unit Enter User units in the Unit screen Enter Units Pa and input a value using the numeric key pad...

Страница 105: ...screen will display with the Target Pressure field highlighted Using the numeric keypad enter the target pressure value as desired see Section 5 5 1 2 for information on zero pressure commands Press...

Страница 106: ...AutoZ if applicable see Section 3 2 22 Zero in absolute mode In response to a command for automatic pressure control to a target value of zero when in absolute measurement mode PPC4 opens its down con...

Страница 107: ...ick access to the most common functions The shortcut fields are identified in Figure 11 and Table 17 Enter a shortcut to navigate directly to the menu associated with that function For example clickin...

Страница 108: ...7 6 4 Settings Preferences Screen saver 5 7 7 1 Settings Preferences Sounds 5 7 7 2 Settings Preferences Time 5 7 7 3 Settings Preferences Language 5 7 7 4 Settings Preferences Security 5 7 7 5 Setti...

Страница 109: ...ale pressure value in the unit of measure specified in the Unit field OK to accept If the full scale pressure entered cannot be covered by any of the Q RPTs available an error window is displayed No s...

Страница 110: ...o the Main Run Screen without changing the currently active AutoRange To verify or confirm the range from the Main Run Screen use AutoRange from the Main Run Screen and view the Range field to view th...

Страница 111: ...the PPC4 between a minimum value atmosphere or 0 and a maximum target The PPC4 can start the descending portion of the cycle immediately or can control at the maximum target for a specified period of...

Страница 112: ...s to the Exercise entry screen Esc or aborts the sequence and returns to the Main Run Screen When the exercise sequence is complete the PPC4 sounds three two second beeps and returns to the main menu...

Страница 113: ...the pressure increment using the Jog function see Section 3 2 20 In User Continue Mode once the UUT has reached the cardinal value of the pressure increment then use Next Point In Timer Continue Mode...

Страница 114: ...eate a new Advanced Test Edit Edit and existing Advanced Test Delete Deletes the active Advanced Test OK Runs the active Advanced Test Back Returns to the Tools AutoTest tab Esc or exits to the Main R...

Страница 115: ...the Main Run Screen Note If an external Q RPT that should be available is not being selected by AutoRange use RPT to search for Q RPTs and determine whether external Q RPTs have been properly connecte...

Страница 116: ...t point can be edited immediately using the numeric keypad To add another point below the first Add again To add another point at a different location Select the entry in the test value list Enter and...

Страница 117: ...active Advanced Test Caution Be sure to select the test that is to be deleted before using Delete Verify that the test sequence listed in Test represents the test that is to be deleted Once a test is...

Страница 118: ...uence The criteria for pass fail assumes that the UUT is adjusted to the cardinal values of each test point and calculates an error based on the difference between the test point and the PPC4 reading...

Страница 119: ...Note or Stop at any time during execution of the purge routine causes the purge function to abort and returns to the Main Run Screen PPC4 controls pressure down to less than 700 kPa 100 psi stops con...

Страница 120: ...a reset has cleared previous leak test results Pressure displays Leak Test None 5 7 4 Drivers PURPOSE To control the output signals of PPC4 s 8 channel 12 V external drivers see Section 3 2 23 Note Se...

Страница 121: ...r comparison Note that the reference pressure must be entered in the same unit of measure as the PPC4 pressure The current PPC4 pressure is shown for reference on the second line Note While the value...

Страница 122: ...AutoRange ranges see Section 3 2 25 1 OPERATION From the Main Run Screen use Tools System Reset Settings Yes to activate changes perform the reset The PPC4 will cycle power to complete and return to...

Страница 123: ...ion data Combines all resets in one global reset command that clears the entire user section of non volatile memory returning PPC4 to the as delivered condition except the ID function and the security...

Страница 124: ...ime a new unit is selected from the All Units list see Section 5 7 6 1 2 the new unit is added to Favorites Reset to erase the list of Favorites Back to return to Pressure Esc or exit to the Main Run...

Страница 125: ...ngs Pressure Measurement Mode brings up the Measurement Mode screen with the available mode selections The shortcut to Measurement Mode is the measurement mode field from the Main Run Screen see Figur...

Страница 126: ...unit of measure of the height measurement centimeters or inches Medium The fluid medium in the test connection between the TEST port and the UUT or measured pressure After editing values OK to accept...

Страница 127: ...access Screen Saver Sounds Time Language and Security The Settings Preferences tab displays the current values of each of these settings Select and Enter to edit settings 5 7 7 1 Screen Saver PURPOSE...

Страница 128: ...he time as desired The year is in year month day format yyyymmdd Time may be displayed in either a 12 hour AM PM or 24 hour format set by editing Time Style If Time Style is 24 hour then AM PM is blan...

Страница 129: ...ry password is used see 3 2 26 5 Select and Enter a Security from the choices Off Low or High see Table 11 for function access affected by the security level Entering a choice makes the change and ret...

Страница 130: ...PPC4 front panel when the RPM4 is detected In addition AutoRanged ranges greater than the SDS rating are not allowed see Sections 3 2 5 6 5 4 3 2 8 In order to create AutoRanged ranges or generate pr...

Страница 131: ...hat caused the overpressure before cycling power 5 7 8 2 Pressure Control PURPOSE To set the automated pressure control mode for the active range customize control parameters activate default control...

Страница 132: ...Jog Control Limits screen with the Jog Step field active Enter a new value in the currently active pressure units OK to accept the change and return to the Main Run Screen Back to return to Control wi...

Страница 133: ...screen The highlighted format is the currently active format Settings More Remote Command Format Classic selects the Classic format for commands see Section 6 4 1 Settings More Remote Command Format E...

Страница 134: ...ction of this manual see Sections 7 2 7 3 7 4 OPERATION See Sections 7 2 7 3 and 7 4 5 7 11 Uncertainty PURPOSE This function is considered part of PPC4 maintenance and is therefore covered in the mai...

Страница 135: ...ettings More Internal Purge opens the Purge screen The current state of the Purge function is shown in gray On to enable the Purge function Select Off to disable Back to return to Internal Esc to retu...

Страница 136: ...ways Open or always Closed Status entry is only available if Manual operation is selected Settings More Internal to view the settings of the TEST Vent Valve OK to accept and return to the Main Run Scr...

Страница 137: ...ed Interface functions are available in the Cockpit The Cockpit can be used with either the Basic Interface or the Advance Interface versions of the PPC4 Multiple PPC4s can be supported at the same ti...

Страница 138: ...the Driver sub directory of the PPC4 Cockpit application By Default this directory is C Program Files DH Instruments PPC4 Cockpit Driver Alternatively the driver can be updated from the General Access...

Страница 139: ...nstruments a Fluke Company Figure 17 Browse for Driver Location A driver warning message will display The PPC4 USB driver has not been digitally signed for Windows Compatibility Continue Anyway to pro...

Страница 140: ...Cockpit must be launched like any other application It does not auto launch when the USB or RS232 ports are connected to the host PC Use the desktop short cut or the Windows Start menu to launch the...

Страница 141: ...C4 menu options required to use the PPC4 via USB Figure 22 PPC4 Cockpit Communication Selection 6 2 3 2 RS232 Interface Select RS232 on the opening Cockpit dialog to communicate to the PPC4 via RS232...

Страница 142: ...2 1 Figure 24 PPC4 Cockpit Pressure Control Buttons Table 18 PPC4 Cockpit Keyboard Shortcuts PC KEYBOARD SHORTCUT PPC4 KEY OPERATION Increase pressure at the fast slew rate See Section 3 2 1 Decrease...

Страница 143: ...it is essential to wait for the PPC4 to reply to a command before sending any other command Table 19 COM1 Pin Designations and Connections PPC4 COM1 DB 9F PIN DESIGNATIONS PIN FUNCTION DESCRIPTION 2 T...

Страница 144: ...der All Programs See Figure 25 Figure 25 Windows selection of Hyperterminal Hyperterminal must be configured to communicate with the PPC4 using the RS232 COM1 communication settings accessed through t...

Страница 145: ...C4 After the COM port selection the RS232 settings of the PPC4 must be defined The specific PPC4 settings are accessed through the PPC4 front panel RS232 handshaking is not supported by the PPC4 there...

Страница 146: ...turn ASCII 13 and line feed ASCII10 to be appended to the end of the commands to the PPC4 and the corresponding responses Press OK after the edits are complete Figure 27 Hyperterminal ASCII Setup At t...

Страница 147: ...the PPC4 to respond improperly to future remote commands 6 3 2 1 IEEE 488 Remote Command testing Verify IEEE 488 communication with the PPC4 by using a communication tool provided by the PC s IEEE 488...

Страница 148: ...o utilize USB extension cords USB communication is supported only through PPC4 Cockpit and the PPC4 API Application Programming Interface Refer to the PPC4 API documentation on how to access the PPC4...

Страница 149: ...and function is not altered 6 4 1 Classic Program Message Format Each program message sent is also a query Only one program message can be sent to the PPC4 at time After sending any program message th...

Страница 150: ...each program message with a semicolon The commands are queued and executed in as received order after the entire message stream has been received so care in determining order of execution is needed If...

Страница 151: ...Table 21 Program Message List Send a command string out of the PPC4 COM2 port ABORT Stop pressure generation ARANGE Read or set a new AutoRange to use ATM Read the current atmospheric pressure on boar...

Страница 152: ...ding control status and QRPT uncertainty RANGE Read or set and Q RPT or utility sensor default range PPC4 command RATE Read the next available rate of change of pressure READYCK Read or set a flag tha...

Страница 153: ...ERR 13 Text queue overflow ERR 14 User unit not defined ERR 16 Generation failure ERR 18 Command not yet available ERR 19 Not available with absolute units ERR 20 Not available with gauge device ERR 2...

Страница 154: ...sed If there are multiple arguments then commas must separate them The PPC4 will always reply to a Classic program message You must wait for this reply before issuing another program message If this f...

Страница 155: ...to using this program message you must ensure that the PPC4 COM2 port is correctly set up to communicate with the device on COM2 Refer to the COM2 program message Example classic Sent Reply VER DH IN...

Страница 156: ...the maximum pressure and measurement mode specified The reply indicates the current range data including the RptLabel used for the range If a water column unit inH2O mH2O mmH2O is specified for the pr...

Страница 157: ...mple enhanced Cmd sent Query reply AUTOPURGE 1 1 Example classic Sent Query reply AUTOPURGE 1 AUTOPURGE 0 Errors ERR 6 The argument was other than a 0 or a 1 See 3 2 17 3 2 27 4 AUTOVAC Purpose Read o...

Страница 158: ...her than a 0 or a 1 See Also ZOFFSET MMODE 3 2 22 CALAMB Purpose Read or set the on board barometer calibration coefficients Command Query CALAMB adder mult CalDate CALAMB Classic CALAMB adder mult Ca...

Страница 159: ...88 Example enhanced Cmd sent Query reply COM1 9600 N 8 1 9600 N 8 1 Example classic Sent Reply COM1 9600 N 8 1 9600 N 8 1 Errors ERR 7 Missing or improper program message argument s See Also PASSTHRU...

Страница 160: ...fast down valve causes the pressure to decrease quickly Example enhanced Cmd sent Reply DF 1 1 no reply if IEEE 488 Example enhanced Cmd sent Reply DF 1 1 Example classic Sent Reply DF 1 DF 1 Errors...

Страница 161: ...ad or set the status of external electrical drivers Command Query DRVn x DRVn Classic DRVn x DRVn Arguments n x The driver to operate This can be from 1 to 8 The state to change the driver to 0 to de...

Страница 162: ...B address is changed following the reply of this command Each device on a GPIB interface bus requires a unique address Example enhanced Cmd sent Query reply GPIB 21 21 No reply if IEEE 488 Example enh...

Страница 163: ...e hold limit can be read and set as a pressure or as a percent of the span Example enhanced Cmd sent Query reply HS 01 0 0100 No reply if IEEE 488 Example enhanced Cmd sent Query reply HS 01 0 0100 Ex...

Страница 164: ...ge Remarks The slow speed will be used for a calculated amount of time up to 5 seconds to create the desired change The PPC4 will not attempt to control the pressure to a target so the change in press...

Страница 165: ...tomated pressure control targets can not be less than this value If the pressure exceeds the lower limit the pressure display flashes and pressure control is aborted Manual decreases in pressure are n...

Страница 166: ...xample classic Sent Reply MEM MEM 0 PPC4 data corrupted and was set to factory defaults MEM 1 The memory was found to be OK on power up See Also 3 2 27 5 MODE Purpose Read or set the automated pressur...

Страница 167: ...argument text Abs mode only with altitude units or gauge mode only with gauge RPT Absolute or negative gauge mode not available with gauge RPT or absolute RPT with an absolute and negative gauge OFF c...

Страница 168: ...o communicate with a device connected to the PPC4 COM2 port Command Query PASSTHRU n PASSTHRU Classic PASSTHRU n PASSTHRU Arguments n The string to send out of the COM2 port It must be less than 40 ch...

Страница 169: ...d does not apply and is ignored for Gxxx and BGxxx Q RPTs or utility sensors 0 Absolute negative gauge and gauge modes are available 1 Gauge mode only Remarks The user defined pressure calibration inf...

Страница 170: ...ff The stability uncertainty component when auto zero is ON The stability uncertainty component when auto zero is OFF Remarks Use the PPC4 uncertainty function to obtain a re time update of delivered...

Страница 171: ...uipped with an on board barometer This field is NONE if the PPC4 is not equipped with an on board barometer Generation status Similar to the reply of the STAT command Can be a sum of the following sta...

Страница 172: ...in automated conditions where the test volume is constant and the configuration does not change This argument is only an approximation value and it may be adjusted empirically for correct operation A...

Страница 173: ...re using just the slow speed and stops controlling when the pressure has reached or passed the given target The system does not attempt to maintain the target pressure The PR PRR STAT or SR program me...

Страница 174: ...on board barometer This field is NONE if the PPC4 is not equipped with an on board barometer Generation status Similar to the reply of the STAT command Can be a sum of the following states 0 The syste...

Страница 175: ...rsion Used as a simple query the active range is returned which can be an AutoRanged range or a default range see ARANGE cmd Example enhanced Cmd sent Query reply RANGE IL select internal Lo Q RPT in...

Страница 176: ...ly READYCK 1 if PPC4 condition has stayed Ready 0 if PPC4 condition has NOT stayed Ready Example classic Sent Query reply READYCK 1 READYCK 1 Example classic Sent Query reply READYCK READYCK 1 if PPC4...

Страница 177: ...ibration coefficients and communications settings are not affected The remote RESET program message corresponds to the front panel Reset Settings The reset cycle takes up to 5 seconds to complete and...

Страница 178: ...label used on the PPC4 front panel screen RptLocator Text field identifying the Q RPT position in the PPC4 system IH identifies this as an internal Hi Q RPT IuH identifies this as an internal Hi util...

Страница 179: ...3 2 26 1 SN Purpose To read the serial number of the PPC4 Query SN Classic SN Remarks The PPC4 is serialized The serial number can be read using this program message Example enhanced Query sent Query...

Страница 180: ...EE 488 Example enhanced Cmd sent Query reply SS 1 0 10 Example classic Sent Reply SS 1 0 10 Errors ERR 6 The argument was invalid See Also SS 3 2 13 SS Purpose Read or set the current pressure stabili...

Страница 181: ...ulsing is being used to control a pressure Low pressure pulsed control is active Very low pressure pulsed control is active Determining external volume Example enhanced Query sent Query reply STAT 32...

Страница 182: ...was invalid See Also TIME 3 2 26 3 TP Purpose To read the current target pressure Query TP Classic TP Remarks The current target pressure is replied in the current pressure unit of measure Example enh...

Страница 183: ...classic Sent Reply UDU MYUN 001 MYUN 0 001000 Example classic Sent Reply UDU2 UN2 01 UN2 0 010000 See Also 3 2 10 UL Purpose Read or set an upper limit for the current range Command Query UL n UL Clas...

Страница 184: ...Unit argument or plus the reference temperature if desired inH2O4 inH2O 4 inH2O20 inH2O 20 inH2O60 or inH2O 60 corresponding to inH2O at 4 C 20 C or 60 F If a temperature reference is not specified w...

Страница 185: ...eply VAC 1 1 No reply if IEEE 488 Example enhanced Cmd sent Query reply VAC 1 1 Example classic Sent Query reply VAC 1 VAC 1 Errors ERR 6 The argument is not a 0 or a 1 See Also AUTOVAC 3 2 27 2 VENT...

Страница 186: ...PT ZOFFSETn 101325 Pa 0 0 Pa Absolute Q RPT Optional Suffix n The active RPT is assumed if no suffix is given 1 Specify the Hi Q RPT 2 Specify the Lo Q RPT Arguments GaOffset AbsOffset The RPT pressur...

Страница 187: ...tatus reporting system is used to track and report system status and errors It follows the model of the IEEE Std 488 2 and works for the COM1 and the IEEE 488 port with slight differences The PPC4 can...

Страница 188: ...set this register to 20 14 hex an SRQ will occur if the MAV or the ERROR bit are set The description of these bits are given as OPER N A Bit 7 128 RQS Requested Service Bit 6 64 Indicates that the SR...

Страница 189: ...or is typically a syntax error in the use of a correct program message EXE Execution Error Bit 4 Indicates if a remote program message cannot be processed due to device related condition DDE Device De...

Страница 190: ...ese commands These commands also cover the status reporting commands See Section 4 5 for details on the status registers mentioned in these commands Table 26 Program Message List CLS Clear all of the...

Страница 191: ...up of the following comma delimit fields Manufacturer The product model Serial number of the PPC4 Serial number of the HI pressure RPT Serial number of the LO pressure RPT 0 if not installed PPC4 sof...

Страница 192: ...nd STB Remarks The Status Byte Register reflects the general status of the PPC4 The MSS bit state is represented by bit 6 Example enhanced Sent Reply STB 80 The MSS and MAV bits are set TST Purpose Re...

Страница 193: ...struments a Fluke Company RSR Purpose Read the Ready Status Register Command RSR Remarks The Ready Status Register contents are cleared after reading The reply is in decimal numeric form Example enhan...

Страница 194: ...PPC4 OPERATION AND MAINTENANCE MANUAL 2009 DH Instruments a Fluke Company Page 182 Notes...

Страница 195: ...uthorized service or repair during the warranty period is undertaken at the owner s risk and may cause damage that is not covered under warranty and or may void the warranty 7 2 Calibration of Quartz...

Страница 196: ...lso use external Q RPTs mounted in RPM4 Reference Pressure Monitors RPM4 Q RPTs are calibrated independently of PPC4 see the RPM4 Operation and Maintenance Manual 7 2 1 1 PA and PM Coefficients The co...

Страница 197: ...each Q RPT prior to running the calibration 7 2 1 2 1 Basic Interface The current PA and PM and absolute mode Poffset can be viewed by using Spec Cal Hi RPT Lo RPT Barometer View from the Main Menu T...

Страница 198: ...isplay and keypad Connect a pressure supply greater than the maximum pressure to be applied during the calibration to the PPC4 rear panel SUPPLY port 1 8 in NPT F See Section 2 3 4 If the calibration...

Страница 199: ...ach calibration point as long as the exact value of the applied pressure is known Best results are obtained if the actual applied pressure is within 2 of the nominal point definition 7 2 4 1 Standard...

Страница 200: ...RPT CALIBRATION SEGMENT POINT NO POINT OF SPAN 1 Ascending 1 0 2 25 3 50 4 75 5 100 Descending 6 75 7 50 8 25 9 0 1 The BA100K span is 70 to 110 kPa absolute 7 2 4 2 Premium Class Q RPTs See addition...

Страница 201: ...sure standard Axxx absolute Q RPTs calibrated in gauge measurement mode by applying gauge reference pressure values should be used in gauge mode only see Section 7 2 5 Table 31 Calibration Point Seque...

Страница 202: ...on of the Q RPTs the edit function should only be used by qualified personnel as part of the calibration process Caution should be taken to avoid accidental editing A user level security system is ava...

Страница 203: ...ration of an Axxx Q RPT The value of PA The pressure adder for the selected Q RPT see 7 2 1 1 The value of PM The pressure multiplier for the selected Q RPT see 7 2 1 1 Absolute and negative gauge mea...

Страница 204: ...If in edit mode the calibration fields can be edited If the selected Q RPT is an Axxx Q RPT pressing in the PM field continues to the next calibration information display this display is skipped if th...

Страница 205: ...or Lo RPT Uncertainty1 or Uncertainty2 7 2 7 3 1 Uncertainty1 This screen controls display and type of uncertainty as well as uncertainty in head height Display On to enable display of live uncertain...

Страница 206: ...of measure see Section 3 2 10 Select Mode from the Main Menu to set the desired pressure measurement mode see Section 3 2 11 Axxx absolute Q RPTs that will be used in gauge measurement mode only may...

Страница 207: ...10 Set the desired pressure measurement mode using Settings Pressure Measurement Mode see Section 3 2 11 Axxx absolute Q RPTs that will be used in gauge measurement mode only may be calibrated in gau...

Страница 208: ...CIPLE The on board barometer output can be adjusted using PA and PM values in the same manner as Q RPTs see Section 7 2 1 1 Note The on board barometer is a low accuracy sensor used for measuring chan...

Страница 209: ...tion coefficients in the pressure control algorithms used for automated pressure control Changes in the pressure control elements over time or operation into an unusually large test volume can cause p...

Страница 210: ...ot the display is Config type Vac Atm Select Vac or Atm depending on whether the EXHAUST port is at vacuum or atmosphere If the ControlRef setting see Section 3 2 27 2 does not correspond to your choi...

Страница 211: ...ng Vacuum configuration or Running ATM configuration flashes above a progress bar while the PPC4 pulses and slews pressure After about ten minutes the user is asked whether or not to save the new conf...

Страница 212: ...remove the eight screws that are on the top right and left edges of the back panel Then using the two M3 x 20 mm screws in the PPC4 accessory kit gradually back the cover from the closed and secured p...

Страница 213: ...st Select Leak in the Main Menu for Basic Interface Use the Leak Test shortcut from the Main Run Screen in the Advanced Interface see Section 3 2 18 Leak rate after stabilization should not exceed 0 0...

Страница 214: ...T is intended to provide very high precision low uncertainty traceable pressure measurement The basic sensing principle is the measurement of the change in the natural oscillating frequency of a quart...

Страница 215: ...pressure feedback to maintain a constant differential pressure across the control valves The control valves are solenoid type actuated by 12 V See Figure 31 for the pneumatic module schematic 7 9 7 Di...

Страница 216: ...PPC4 OPERATION AND MAINTENANCE MANUAL 2009 DH Instruments a Fluke Company Page 204 7 10 Pneumatic Schematics 7 10 1 Pressure Control Module Note Figure 31 Pressure Control Module Schematic...

Страница 217: ...le ONE RPT Axxx or utility sensor A14M CONDITION VALVE STATE A B C Vent O O O Measure Control O C C Power off C O C Valve C is shown for reference It is in the pressure control module ONE RPT Gxxx or...

Страница 218: ...he pressure control module TWO RPTs One or Two Gxxx or BGxxx CONDITION VALVE STATE A B C D Vent O O O O Measure Control Hi C O C O C Measure Control Lo O C C O C Power off C O O C Valve D is shown for...

Страница 219: ...ler is not a PPC4 10M contact DHI Authorized Service Representative 7 8 3 2 26 5 Front panel keys seem to be disabled remote command has been sent from a host computer Send local command from host com...

Страница 220: ...not allow Ready to be achieved Adjust control parameters or correct other conditions 3 2 3 3 2 12 Q RPT is Gxxx gauge but cannot select absolute or negative gauge measurement mode Q RPT is Gxxx and d...

Страница 221: ...nected to TEST port Poor pressure control Unstable or incorrect pressure supply Connect regulated pressure supply set to cor rect supply pressure to SUPPLY port 2 3 4 Poor pressure control and measure...

Страница 222: ...d current value of atmospheric pressure if absolute 3 2 11 VENT port is plugged Open VENT port to atmosphere Vent valve not operating Contact DHI Authorized Service Provider Table 36 Will not vent whi...

Страница 223: ...ER NUMBER MAX CURRENT mA 1 1 000 2 500 3 500 4 200 5 160 6 135 7 120 8 100 The male connector P N 401382 for the DRIVERS port is delivered with the PPC4 accessories Table 34 and Figure 33 should be re...

Страница 224: ...of mercury 7 50063 E 03 psi pound per square inch 1 450377 E 04 psf pound per square foot 2 0885429E 02 inH2O 4 C inch of water at 4 C 4 014649 E 03 inH2O 20 C inch of water at 20 C 4 021732 E 03 inH2...

Страница 225: ...h indirect damage includes but is not limited to loss of production profits revenue or goodwill even if DH Instruments a Fluke Company has been advised of the possibility thereof and regardless of whe...

Страница 226: ...PPC4 OPERATION AND MAINTENANCE MANUAL 2009 DH Instruments a Fluke Company Page 214 Notes...

Страница 227: ...ol in which the control parameters are not the default control parameters Default Range DF A Q RPT or utility sensor s maximum range that is always available on RANGE and cannot be deleted Deviation T...

Страница 228: ...PPC4 Span The difference between FS and the lowest point in a range For example the span of a 100 kPa FS range in negative gauge mode is nominally 200 kPa from 100 kPa to 100 kPa SPLT Self Purging Liq...

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