Presys PCON-Y18-LP Technical Manual Download Page 35 | Manualshive

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PRESYS



Instruments

PCON-Y18-LP

Page 30

2.1.10. Calibration Examples

a) Pressure Transmitter Calibration

Use the PCON-Y18-LP

TPS

source (24 Vdc) to power up a two-wire transmitter

and connect the current as illustrated below.

Select

mA

(current) in the

Input

(Auxiliary)

menu and configure the Pressure Control parameters.

Fig. 43

- Pressure Transmitter Calibration

Readings of the mA input can be scaled to pressure through the

SCALE

option

(see section

2.1.9.

). Thus, the error between the input and the output of the pressure

transmitter is easily calculated.

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Summary of Contents for PCON-Y18-LP

Page 1: ...Technical Manual EM0345 02 PCON Y18 LP www presys com br Desktop version Field Service version Rack Mounting version Automatic Low Pressure Calibrator p r e s y s ...

Page 2: ...ng startup do not connect any instrument to the output port of the Pressure Control Module Before making connections to the Pressure Control Module enter the CALIBRATOR menu and wait for the automatic VENT and RESET operation WARNING The calibrator discharges gas to the atmosphere through the vent port Leave this port free WARNING Before connecting the instrument under test to the output port make...

Page 3: ...only the mains but also the equipment itself against noise These filters have no function if the unit charger is not earthed properly IMPORTANT All pressure equipment and accessories such as hoses connections adapters etc connected to the calibrator must be clean free of residues such as oil dirt dust etc These residues can cause irreversible damage to the internal system of the pressure control m...

Page 4: ...n certain voltage limits EN 61010 1 2011 Safety requirements for electrical equipment for measurement control and laboratory use EN 61010 2 010 Safety requirements for electrical equipment for measurement control and laboratory use Part 2 010 Particular requirements for laboratory equipment for the heating of Materials EMC directive 2004 108 EC of the European Parliament and of the Council of 15 D...

Page 5: ...9 Auxiliary Input Scale Function 28 2 1 10 Calibration Examples 30 a Pressure Transmitter Calibration 30 b Pressure Switch Verification 31 2 1 11 Leakage Stability Test 33 2 2 HART 35 2 2 1 HART Connections 35 2 2 2 Starting Communication 37 2 2 3 Adjusting the Measurement Range of a HART Transmitter CH Option 38 2 2 4 Adjusting the Measurement Range of a HART Transmitter with Reference CH Option ...

Page 6: ...edded calibrator specific for these types of signal including current 4 20 mA Thus PCON Y18 LP incorporates the functions of pressure controller digital pressure standard and calibrator for mA V mV ohms and RTD It is also a Hart Communicator optional with a configurable internal resistance transmitter power supply and latest DD as optional in order to easily configure and calibrate Hart pressure t...

Page 7: ...values are obtained through algorithms of temperature compensation on pressure measurements 1 2 2 Auxiliary Input Input Ranges Resolution Accuracy Remarks millivolt 150 mV to 150 mV 0 001 mV 0 01 FS Rinput 10 M auto ranging 500 mV to 150 mV 0 01 mV 0 02 FS 150 mV to 2450 mV 0 01 mV 0 02 FS volt 10 V to 11 V 11 V to 45 V 0 0001 V 0 0001 V 0 02 FS 0 02 FS Rinput 1 M mA 5 mA to 24 5 mA 0 0001 mA 0 02...

Page 8: ...Protocol optional Includes technical manual and test leads For FS Version Field Service a battery charger is also included 100 to 240 Vac 50 60Hz Pneumatic Connection connector for hose diameter 6 mm DT and RM Version Power Supply 100 to 240 Vac 50 60Hz FS Version Lithium Polymer 4200 mAh rechargeable battery Dimensions 135 mm x 350 mm x 270 mm HxWxD DT Version Desktop 132 mm x 483 mm x 255 mm HxW...

Page 9: ...igurable period PRESSURE SWITCH TEST automatic testing of pressure switches AUTOMATED TASKS create calibration work orders and automatic execution of calibration services storage of data and generation of calibration report to a directly connected USB printer or PDF file DATA LOGGER monitoring of input or output signals storage and visualization of data in chart or table VIDEOS storage and viewing...

Page 10: ...PRESYS Instruments PCON Y18 LP Page 5 1 4 Order Code p r e s y s ...

Page 11: ...PRESYS Instruments PCON Y18 LP Page 6 1 5 Parts Identification DT Version Desktop Fig 01 DT Version p r e s y s ...

Page 12: ...PRESYS Instruments PCON Y18 LP Page 7 RM Version Rack Mounting Fig 02 RM Version Fig 03 FS Version Notes On the FS Version the VENT is an internal port not accessible to the user p r e s y s ...

Page 13: ...Pressure Control Module Before making connections to the Pressure Control Module enter the CALIBRATOR menu and wait for the automatic VENT and RESET operation The main menu is divided in the following functions CALIBRATOR selects the input output functions Pressure Control Module and Auxiliary Input Signals see section 2 1 HART optional module that allows communication with devices that have Hart ...

Page 14: ...d an AUTO RESET of the pressure read in the Pressure Control Module When it is done it goes to CONTROL mode The following screens are displayed Fig 05 Calibrator initialization The Pressure Control Module has three operation modes MEASURE VENT and CONTROL see sections 2 1 2 2 1 3 and 2 1 4 To select an operation mode press one of the buttons indicated below The current state is indicated by the sy...

Page 15: ...f the calibrator The presence of water oil or particles in the pressure control module can cause irreparable damage to the system Equipment and connections must be clean and dry when connected to output The use of impurities filters is necessary to protect the system Fig 07 Pressure Control Module Fig 08 Output Connections Rear Panel Dt RM Version For the RM and DT version the VENT port is located...

Page 16: ...o the working pressure WARNING The calibrator discharges gas to the atmosphere through vent port Leave this port free WARNING Before connecting the instrument under test to the output port make a VENT operation to discharge any gas inside the controller Before turning the calibrator off it is recommended to vent the gas inside the controller ATTENTION To prevent damage to the connected instrument ...

Page 17: ...the calibrator shows the pressure measurement in the Control Module In this state the control mode is disabled Fig 09 Measure mode screen Note The FS Version Field Service has an internal VENT port not accessible to the user Fig 10 Measure mode state of the valves p r e s y s ...

Page 18: ...used to isolate the unit under test from the pressure control module Fig 11 Output Isolation Valve Status To zero the current pressure measurement press the RESET PRESS button Whenever this function is used the PCON Y18 LP executes a VENT operation and an AUTO RESET of the pressure read in the Pressure Control Module and returns to the control mode ATTENTION Whenever you change the inclination of ...

Page 19: ...e the calibrator controls pressure at the output port through the admission and exhaustion control valves Fig 13 Control mode screen Note The FS Version Field Service has an internal VENT port not accessible to the user Fig 14 Control mode state of the valves p r e s y s ...

Page 20: ...w and edit the Min and Max values in the RANGE tab All parameters set in these menus are the same engineering unit of the execution mode measure control The engineering unit used is indicated in the upper right corner of the screen To change the unit return to the execution mode measure control and touch on the unit Pa psi etc and select the desired unit Fig 15 Range parameters Changing the output...

Page 21: ...value When the pressure is stabilized its reading value turns to green Fig 16 Control Mode Changing Set point Value The state of the output isolation valve is user configurable To change the state of the valve press the SETTINGS button shown below and change the Output Parameters OPEN CLOSED in the ADVANCED tab Fig 17 Output Isolation Valve p r e s y s ...

Page 22: ...he pressure reading must be inside these limits to indicate stable Press the SETTINGS button and select the CONTROL tab shown below edit the values in Stabilization Settings and press the APPLY button Fig 18 Stabilization Settings d Control Settings The PCON Y18 LP has a linear controller output behavior when the set point is changed It means that the output varies linearly according to the parame...

Page 23: ... in the main menu SETTINGS SYSTEM ADJUST CAL and enter the password 9875 Returning to the CALIBRATOR menu the OPTIMIZATION OPTIONS are enabled In the SETTINGS menu on the CONTROL tab check the OPTIMIZATION OPTIONS The options are Flow Adjustment Manual flow rate adjustment option By increasing the flow the output tends to be more stable but can cause overshoot Reducing flow minimizes overshoot but...

Page 24: ...ues is using a numeric keyboard connected to the PCON Y18 LP Type A USB see section 1 5 Parts Identification In Control Mode when pressing from 0 to 7 in the keyboard the corresponding preset set points P1 to P8 will be controlled Fig 22 Preset Set points f Step Function The STEP programming makes the calibrator output vary in pre defined steps It is useful in calibrations where some scale points ...

Page 25: ...n automatic step program If a zero value is set for the time the steps are not changed automatically manual step program In this case to move to the next step you must press the next set point value button By pressing the previous set point button it returns a step If the Wait Stabilize box is selected the PCON Y18 LP will wait for pressure stabilization before changing to the next set point Fig 2...

Page 26: ...rd Fig 25 NUDGE Function 2 1 4 Vent Mode WARNING The calibrator discharges gas to the atmosphere through the vent port Leave this port free WARNING Before connecting the instrument under test to the output port make a VENT operation to discharge any gas inside the controller and go to MEASURE mode In this mode the calibrator turns the pressure control off and vents the pressure inside the control ...

Page 27: ...has an internal VENT port not accessible to the user Fig 27 Vent mode state of the valves The state of the output isolation valve is user configurable To change the state of the valve press the SETTINGS button shown below and change the Output Parameters OPEN CLOSED in the ADVANCED tab p r e s y s ...

Page 28: ...an AUTO RESET of the pressure read in the Pressure Control module and returns to the CONTROL mode Fig 29 Reset of the current pressure measurement The VENT Control Settings is accessed by pressing the SETTINGS button and selecting the RANGE tab It presents two parameters for the VENT mode Vent Opening Limit in the current pressure unit and Vent Rate in the current pressure unit second Fig 30 VENT ...

Page 29: ...and the VENT valve is opened The VENT valve remains opened until another Operation Mode Control or Measure is started To select another operation mode press the VENT button again 2 1 5 Changing the Engineering Unit To change the Pressure or the Temperature Unit press on the current engineering unit Pa kPa C etc select the desired option and press OK Fig 31 Pressure Temperature Unit 2 1 6 Filter In...

Page 30: ... Filter Indication 2 1 7 Auxiliary Input At the bottom of the screen an input can be configured When an input is selected the screen will split automatically showing two simultaneous variables To select an input just touch the INPUT bar Fig 34 Auxiliary Input p r e s y s ...

Page 31: ...connected to the input between RTD1 and RTD4 of PCON Y18 LP When there is continuity the entry shows CLOSED otherwise it shows OPEN The PRESSURE option activates the pressure measurement by the PCON 18 LP pressure control sensor C1 Whenever the input signal is above or below the input ranges established in the specifications the display indicates OVER or UNDER respectively The engineering unit can...

Page 32: ...PRESYS Instruments PCON Y18 LP Page 27 Fig 37 Auxiliary Input Connections p r e s y s ...

Page 33: ...n selecting SPECIAL FUNCTION in the auxiliary input channel the display will show Fig 39 Auxiliary Input Special Function The selected special function will act on the previously selected input After selecting and configuring the special function enable it by changing the key status to To disable it change the key to To change the state of the key just click on it When there is no active special f...

Page 34: ...tc The number of decimals up to four shown on the display may be configured The value for Input High must be necessarily higher than Input Low On the other hand Scale High and Scale Low may have any relationship between themselves higher than lower than or equal to and they may have a signal before them Thus direct or reverse relationships may be established For the current input a linear relation...

Page 35: ...nd connect the current as illustrated below Select mA current in the Input Auxiliary menu and configure the Pressure Control parameters Fig 43 Pressure Transmitter Calibration Readings of the mA input can be scaled to pressure through the SCALE option see section 2 1 9 Thus the error between the input and the output of the pressure transmitter is easily calculated p r e s y s ...

Page 36: ...onnect the pressure switch relay output to the switch input of PCON Y18 LP RTD1 and RTD4 terminals and make the pneumatic connections as illustrated in the figure below Fig 44 Pressure Switch Verification Select SWITCH in the Input Auxiliary menu and configure the Pressure Control parameters the Control Operation Mode must be selected To perform the automatic pressure test press the PRESSURE SWITC...

Page 37: ...sure the relay changes position reduce the test range MIN and MAX values for a faster and more accurate test Press START to start the pressure switch test PCON Y18 LP will control the pressure at the output port from the MIN to the MAX pressure value The instant the relay changes from closed to opened it is shown on the display the alarm set point pressure switch Then PCON Y18 LP starts to decreas...

Page 38: ...stem To do the test put the PCON Y18 LP in Measure mode the pressure control valves are off and select the Input desired the leakage stability test may be done with any of the Auxiliary Input signals for testing the pressure in the control module select PRESSURE C1 Fig 47 Leak test select MEASURE mode and the Auxiliary Input Press the Quick Navigator icon MENU BAR GRAPH Fig 48 Menu Quick Navigator...

Page 39: ...ton Fig 50 Leak Stability Test results During the test you can increase the test time by pressing the 20s button The S M and H buttons change the time unit to second minute and hour respectively It is shown on the display the variation of the signal from the first to the last reading V and the increasing or decreasing rate is calculated Average in input unit time unit p r e s y s ...

Page 40: ... commands for HART communication zero span trim mA etc that allow you to adjust the range of the instrument monitoring the primary variable current adjustment etc The FH option in addition to basic and universal commands is provided with the DD library Device Description from FieldComm Group and allows the setting of specific parameters of each instrument The following description is valid for CH ...

Page 41: ...he transmitter and also read and set parameters via HART If the internal resistor is not enabled an external resistor of at least 150 Ω must be inserted in series with the mA input To power up the transmitter the PCON Y18 LP TPS source Fig 51 or an external source Fig 52 can be used ONLY HART INCLUDING NETWORK Fig 53 ONLY HART IMPORTANT Before connecting the calibrator to the transmitter s as show...

Page 42: ...ers Disabling this function the CH software is launched with basic and universal commands for Hart communication zero span trim mA etc Fig 54 ONLY HART Then define the internal resistor 250 and the configuration of HART connection type mA HART or ONLY HART For the CH option must be inserted the instrument ADDRESS with which to communicate and press the CONNECT button If the address of the instrume...

Page 43: ...ab the MIN and MAX fields indicate the measuring range of the HART transmitter For PV primary variable equal to the MIN value the transmitter should generate 4 mA For PV primary variable equal to the MAX value the transmitter should generate 20 mA The maximum allowable range of the transmitter is shown just above RANGE To edit the range of the transmitter just change the MIN and MAX values and pre...

Page 44: ...ustment range of the instrument Fig 56 Quick HART adjustment with reference Generate pressure to the transmitter input corresponding to the lower range value and press the button Transmitter will generate 4 mA to this value Generate pressure to the transmitter input corresponding to the upper range value and press the button The transmitter will generate 20 mA for this value Another way to do this...

Page 45: ...re the current to make the adjustment Before performing the adjustment a transmitter output current check can be performed by pressing the CHECK button The transmitter will generate a fixed current 4 8 12 16 20 mA and the calibrator will show the measured values for each point To adjust automatically simply press the AUTO button The calibrator will send the commands to the transmitter to generate ...

Page 46: ...n will show the TAG model of the connected instrument and the DD Device Description file used You can open the instrument configuration tree located on the left side of the screen This tree changes according to the instrument since each HART transmitter has its specific commands Fig 59 Device Parameters Double click the parameter you want to change and edit the value Parameters identified by the i...

Page 47: ...iguration of a HART instrument connected to the calibrator the Document Device function of the DEVICE menu can be used This function is useful when you want to save the configuration of an instrument to later download to another instrument of the same model or to back up the settings Press DEVICE DOCUMENT DEVICE fill in the File Name field with a name for the configuration and press Save Device Co...

Page 48: ...gauges using the inverted calibration method so the user can change the control set points in small steps until the expected value is being indicated on the gauge 2 3 1 Creating Tasks To create tasks from the main menu select CALIBRATOR Select the desired type of Input Auxiliary and the Pressure Control Module configuration select the Control mode For example to calibrate a pressure transmitter se...

Page 49: ...the same steps and a linear scale Also fill in the number of repetitions REP of readings and the calibration strategy initial to the final point final to the initial point etc If the As Found repetitions are set to 0 zero the task will contain only As Left calibration For inverted calibrations select the option this option is available only if the input type NONE has been selected Fig 64 Task Poin...

Page 50: ...ted and press START Fig 66 Exploring tasks PCON Y18 LP automatically starts the calibration by generating the set points registered in the task and doing the reading of the instrument to be calibrated If you select the NONE option for the input for each generated point the calibrator requires the value read by the instrument For inverted calibrations it is possible to vary the control set point in...

Page 51: ...performed it will be saved as As found before adjustment If it runs again it will be saved as As left after adjustment The results are saved in the calibrator and can be viewed at any time 2 3 3 Viewing Results Once a task has been performed it remains saved in the calibrator To view the results of a calibration by the PCON Y18 LP select TASKS in the main menu Enable the PERFORMED option The list ...

Page 52: ... Drive icon after saving the data To print the Calibration Report press the printer icon The printer must have been previously configured in SETTINGS SYSTEM PRINTER CONFIG and must be connected to the Type A USB Host port of PCON Y18 LP see section 1 5 Parts Identification Fig 69 Printed Task Report To access the files saved on the SD card internal files memory of the calibrator connect the USB ca...

Page 53: ...lay data in a chart or table format Select CALIBRATOR from the main menu and select the desired configuration for Pressure Control and Auxiliary Input Press the icon and select DATA LOGGER The calibrator automatically starts the measurements and displays each measured point on the chart For measurements to be saved you must press the REC button see Figure 70 With this option selected all points me...

Page 54: ...a logger files images and data may be saved in it If a Pen Drive is not connected these files are saved in the internal SD card of the calibrator To access the files saved on the PCON Y18 LP internal memory connect the USB cable to the computer type A USB and to the PCON Y18 LP Micro B USB see section 1 5 Parts Identification 2 5 Videos PCON Y18 LP has a video player These videos can be viewed whi...

Page 55: ...Calibrator Identification In this option it is possible to identify your calibrator choosing a TAG name Owner name and Location Sound Options Press or to configure a value for the system audio volume Printer Config Select the Configuration for the Printer and connect it to the USB port Brightness Choose between the options 25 50 75 and 100 for the brightness of the screen Security Options The inst...

Page 56: ...also configure the Wi Fi Network if a USB Wi Fi adapter is connected By connecting the calibrator to the network it is possible to view and print calibration reports and saved data logger files In the SERVICES tab you can configure remote access to the calibrator via VNC or WebServer 2 7 Built in Web Server Before accessing the PCON Y18 LP built in web server you must configure the network setting...

Page 57: ...t the cable to the serial port of the computer At the menu Settings Network Serial Comm enable the SERIAL COMM RUN switch to Communication Parameters Parity none Data bits 8 Baud rate configurable at the menu Settings Network Serial Comm Stop Bits configurable at the menu Settings Network Serial Comm IDN Description Instrument Identification Parameters Response Manufacturer ID Serial Number Softwa...

Page 58: ... New Pressure Unit Response SYSTem ERRor NEXT Description Checks the Errors List Parameters Response Last Error SOURce PRESsure SLEW Description Reads the Current Pressure Output Slew Rate Parameters Response Slew Rate in pressure unit second SOURce PRESsure SLEW slewrate Description Sets the Current Pressure Output Slew Rate Parameters New Slew Rate in pressure unit second Response MEASure SCALar...

Page 59: ...older The fuse holder will be released Pull the fuse holder and remove the fuse Place the spare fuse Time Lag Type Fuse 32 mA 250 V 5 x 20mm 3 2 Replacing the Power Supply Fuse In case of blow the power supply fuse can be replaced The fuse may blow due to a voltage spike in the mains or a calibrator component fault Replace the fuse once If a second fuse blows again it is because the fault is not t...

Page 60: ...7 0 006894757 6 894757 psi Pa atm at mmH2O 1 6894 757 0 06804596 0 07030695 703 0890 psi cmH2O ftH2O 4 C inH2O inH2O 60 F 1 70 30889 2 306726 27 68067 27 70759 psi torr mmHg cmHg inHg 1 51 71507 51 71507 5 171507 2 036026 psi inHg 60 F gf cm2 kgf cm2 kgf m2 1 2 041772 70 30695 0 07030695 703 0695 p r e s y s ...

Page 61: ...www presys com br p r e s y s ...

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