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Table 4: Mode Concurrency

CURRENT DISPLAY

OTHER

DISPLA

Y

P()

P(2)

(EXIT)

P()

ST

P(2)

ST

(EXIT)

mA

mA

Loop

Volt

RTD

P()

P(2)

(EXIT)

P()

P()ST

X

X

X

X

X

X

P(2)ST

X

X

X

X

X

X

(EXIT)

X

X

X

X

X

X

mA

X

X

X

X

X

mALoop

X

X

X

X

X

Volt

X

X

X

X

X

RTD

2.1.1.3 Accessing Other Menus

Use the MORE option on the Main Menu to access the other menu functions.
(See page 64, Menu Map)

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Содержание CP 400

Страница 1: ...CP 400 420 Bedienungsanleitung Operating Instructions Notice d utilisation ...

Страница 2: ...44 7 Performing a Pressure Switch Test 45 8 Calibrating Transmitters 47 8 1 Using the mA Input Function 47 8 2 Calibrating a Pressure to Current Transmitter 47 8 3 Percent Error Function 48 9 Factory Setups 51 10 Custody Transfer Flow Calibration 52 11 Remote Operation 52 11 1 Remote Interface 52 11 2 Setting up the RS 232 Port for Remote Control 53 11 3 Changing Between Remote and Local Operation...

Страница 3: ...proper function and range for your measurement Make sure the battery cover is closed and latched before you operate the calibrator Remove test leads from the calibrator before you open the battery door Inspect the test leads for damaged insulation or exposed metal Check test leads continuity Replace damaged test leads before you use the calibrator When using the probes keep your fingers away from ...

Страница 4: ...ame Description 1 2 Input Terminals These terminal are used to measure current voltage and a contact closure for switch test 3 P1 Pressure Port This is the connection for the internal sensor P1 4 P2 Pressure Port This is the connection for the internal sensor P2 5 RTD Probe Connector This connector is where the RTD probe is plugged in 6 Serial Interface This is used to interface to optional extern...

Страница 5: ... to zero pressure measurements 4 Backlight Key This key is used to turn the backlight on and off 2 1 Calibrator Display The Calibrator Display consists of two regions The menu bar located along the bottom of the screen is used to access a menu system The main display the rest consists of up to three process measurement sub regions These sub regions will henceforth be referred to as the UPPER MIDDL...

Страница 6: ...rent and switch test modes all use the same jacks two of these functions cannot be used concurrently The ability to select certain functions is limited based on what is already selected in another active display The NEXT option is used to change to the second parameter Only RTD and Pressure modes have a second parameter RTDs can be read in Celsius or Fahrenheit and Pressures can be read in 13 engi...

Страница 7: ...T P 2 ST EXIT mA mA Loop Volt RTD P 1 P 2 EXIT P 1 P 1 ST X X X X X X P 2 ST X X X X X X EXIT X X X X X X mA X X X X X mALoop X X X X X Volt X X X X X RTD 2 1 1 3 Accessing Other Menus Use the MORE option on the Main Menu to access the other menu functions See page 64 Menu Map ...

Страница 8: ...e using the arrow keys F2 and F3 Keys 2 4 Other Menu Controlled Functions There are eight sub main menus that can be accessed through the MORE option of the Main Menu A sub main menu contains three options The first option is unique to the function The second and third options of a sub main menu are always the same The NEXT option leads to the next sub main menu and the DONE option returns home Fo...

Страница 9: ...cally save the current set up for recall at power up Additionally 5 set ups can be accessed through the SETUPS menu Select the SETUPS option from the Setups Main Menu Choose SAVE to save a set up RECALL to recall the set up or DONE to do nothing and return home If SAVE or RECALL is selected use the arrow keys to select the set up location Then use the save option to store the current set up into t...

Страница 10: ... display Use the DONE option to save the changes and return home When a display is deactivated its configuration is retained When the display is activated its configuration is checked against the configurations of the other currently active displays if the configurations are in conflict the recalled display s configuration is modified to avoid the conflict If all three displays are deactivated the...

Страница 11: ...ia Compatibility The calibrator utilizes a media isolated sensor to prevent sensor contamination Whenever possible clean dry air is the media of choice If that is not always possible make sure that the media is compatible with Nickel Plated Brass and 316 Stainless Steel 3 2 Measuring Pressure with External Modules The calibrator provides a digital interface to External Pressure Modules These modul...

Страница 12: ...n on one of the displays Current is measured in mA and percentage of range The range on the calibrator is set to 0 at 4 mA and 100 at 20 mA For example If the current measured is displayed as 75 then the mA value is 16 mA Figure 7 Model BPPA Pressure Module Adapter Pressure Module Device under Test 4 to 20mA P1 P2 30V 24mA max ...

Страница 13: ...Make sure the proper probe type is selected There are 4 probe types supported P100 385 P100 392 P100 JIS and CUSTOM Note The factory default type is PT100 385 so if the CP 400 420 is being used with the ecom Model LPT100A probe you do not have to set the probe type Simply plug the probe into the CP 400 420 and configure the display to read temperature If a custom probe is being used the entering o...

Страница 14: ...ch Test can be performed with the following functions P1 ST P2 ST or EXT ST 2 Connect the calibrator to the switch using the pressure switch terminals The polarity of the terminals does not matter Then connect the pump to the calibrator and the pressure switch 3 Make sure the vent on the pump is open Zero the calibrator if necessary Close the vent after zeroing the calibrator 4 The top of the disp...

Страница 15: ...is enhanced sample rate pressurizing the device under test should be done slowly to ensure accurate readings 6 Once the switch is open OPEN will be displayed bleed the pump slowly until the pressure switch closes 7 At the top of the display it will now read SW OPENED AT and give you the pressure that the switch opened at 8 Press the NEXT option to view when the switch closed and the dead band ...

Страница 16: ...k the 4 20 mA output from the device being calibrated This can be done in one of two ways 1 Passively Where the device under test directly generates 4 20 mA and can be read by the calibrator 2 Actively Where the calibrator supplies 24 VDC loop power to the device under test to power the device while reading the resulting 4 20 mA signal 1 2 8 2 Calibrating a Pressure to Current Transmitter To calib...

Страница 17: ...eatures a unique function which can calculate pressure vs milliamp error as a percentage of the 4 to 20 mA loop span The percent error mode uses all 3 screens and has a unique menu structure It simultaneously displays pressure mA and percent error Figure 12 ...

Страница 18: ... it becomes difficult to set an exact pressure with an external pump To use the ERROR function proceed as follows 1 With the calibrator turned on and operating press the F3 key to activate the MORE menu option Now press the F1 key to activate the ERROR option 2 Press the F1 key to select the CONFIG option 3 The first option is setting the Port use the select option to scroll through the port choic...

Страница 19: ... SET when finished and the ERROR mode will be ready to use Note The 0 and 100 point will be saved in non volatile memory until they are changed again by the user for the internal sensors and external pressure modules When using an external module the 0 and 100 are set to low and full scale of the module until the user changes it or if it was previously saved ...

Страница 20: ...r display is set to P1 mode and the middle is set to mA lower is off Setup 2 The upper display is set to P2 mode and the middle is set to mA lower is off Setup 3 The upper display is set to P1 mode and the middle is set to P2 lower is off Setup 4 The lower display is set to P1 switch test the other displays are off ...

Страница 21: ...TD sensor to the calibrator 2 Using the reading of your RTD static and differential pressures make sure the flow computer has the correct reading If not adjust the flow computer as necessary 11 Remote Operation 11 1 Remote Interface The calibrator can be remotely controlled using a PC terminal or by a computer program running the calibrator in an automated system It uses an RS 232 serial port conn...

Страница 22: ... are three modes of operation of the calibrator Local Remote and Remote with Lockout Local mode is the default mode Commands may be entered using the keypad on the calibrator or using a computer In Remote mode the keypad is disabled and commands may only be entered using a computer but choosing GO TO LOCAL from the menu on the calibrator display will restore keypad operation In Remote with Lockout...

Страница 23: ...rs are discarded if their decimal equivalent is less than 32 space except 10 LF and 13 CR Data is taken as 7 bit ASCII The most significant data bit is ignored Upper or lower case is acceptable 11 4 3 Response Data Types The data returned by the calibrator can be divided into four types Integer For most computers and controllers they are decimal numbers ranging from 32768 to 32768 For example FAUL...

Страница 24: ...level of the Calibrator RST Resets the calibrator to the power up state Table 6 Calibrator Commands Command Description CPRT_COEFA Sets the custom RTD coefficient A CPRT_COEFA Returns the custom RTD coefficient A CPRT_COEFB Sets the custom RTD coefficient B CPRT_COEFB Returns the custom RTD coefficient B CPRT_COEFC Sets the custom RTD coefficient C CPRT_COEFC Returns the custom RTD coefficient C C...

Страница 25: ...e RTD_TYPE Returns the RTD type ST_START Starts a switch test ST_OPEN Returns pressure value at which the switch opened ST_CLOSE Returns pressure value at which the switch closed ST_DEAD Returns pressure value of the deadband of the switch TEMP_UNIT Set the RTD to read in F or C on the indicated display TEMP_UNIT Returns the unit the RTD is set to read on the indicated display VAL Returns the meas...

Страница 26: ...ressure measure function P2_ST Switch Test with port P2 pressure measure function Tabelle 8 Error Codes Error Number Error Description 100 A non numeric entry was received where it should be a numeric entry 101 Too many digits entered 102 Invalid units or parameter value received 103 Entry is above the upper limit of the allowable range 104 Entry is below the lower limit of the allowable range 105...

Страница 27: ... polynomial used by the custom RTD For example CPRT_COEFA 3 908300E 03 enters 3 908300e 3 as coefficient A CPRT_COEFA Returns the number that was entered for the first coefficient of the polynomial used in the custom RTD Using the example above CPRT_COEFA Would return 3 908300E 03 CPRT_COEFB This command is used for entering a custom RTD into the calibrator The numeric value entered after the comm...

Страница 28: ...or code number of an error that has occurred The command may be entered when the previous command did not do what it was meant to do For example if a value for current output is entered that is bigger than the supported range 0 24mA FAULT Would return 103 which is the code number for an entry over range Refer to the Error Codes table for more information on error code numbers ERROR _LOOP Turns loo...

Страница 29: ...L Restores the calibrator to local operation if it was in remote mode Also clears LOCKOUT if the calibrator was in lockout mode LOCKOUT Sending this command sets the lockout state when the unit is in REMOTE or goes to remote it prohibits use of the keypad completely The lockout state can only be cleared by sending the LOCAL command LO_ERR Sets the 0 point for the percent error mode calculation in ...

Страница 30: ...e current pressure units ST_DEAD Returns deadband of the switch in the current pressure units TEMP_UNIT This command is used to the temperature unit used when measuring temperature The first argument indicates which display to apply the change to The second argument is the unit either CEL for Celsius or FAR for fahrenheit For example To set the temperature unit to fahrenheit on the lower display s...

Страница 31: ...ads Ranges Available Pressure select any two 5 psi 15 psi 30 psi 100 psi 300 psi 500 psi 1000 psi 3000 psi 5000 psi 10 000 psi mA 0 bis 24 000 mA Volts 0 bis 30 000 VDC RTD 40 C to 105 C 40 F to 220 F Engineering Units psi bar mbar kPa kgcm2 cmH2O 4 C cmH2O 20 C mH2O 4 C mH2O 20 C inH2O 4 C inH2O 20 inH2O 60 F mmHg 0 C inHg 0 C ftH2O 4 C ftH2O 20 C ftH2O 60 F Accuracy Pressure 15 psi to 3000 psi 5...

Страница 32: ...ch of warranty lawful or unlawful actions actions in good faith or other actions If in certain countries the restriction of statutory warranty and the exclusion or restriction of incidental or consequential damages is unlawful then it may be possible that the above restrictions and exclusi ons do not apply for all purchasers If any clause in these warranty terms should be found to be invalid or un...

Страница 33: ...64 15 Menu Map ...

Страница 34: ...GmbH Industriestr 2 97959 Assamstadt Germany Tel 49 0 62 94 42 24 0 Fax 49 0 62 94 42 24 90 E Mail sales ecom ex com Internet www ecom ex com 5200 AL 01 A00 01 06 Änderungen vorbehalten Subject to change without notice ...

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