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CPT6010 Operating Instructions

Digital Pressure Transducer

CPT6010

6. Operation

6.1 Multiple Turndown Devices

6.1.1 Filter Effects of Multiple Turndowns

6.2 Serial Port Configuration

6.3 CPT6010 Address

6.3.1 Addressing Devices with two Turndowns

6.4 Communication Syntax and Command Conventions

6.4.1 Wildcard Address Operator (*)

6.4.2 Password Protection

6.4.3 Response String Format

6.4.4 Commands and Queries

6.4.5 Pressure Unit Code and Conversion

7. Calibration

7.1 Environment

7.3 Pressure Standard

7.4 Calibration Medium

7.5 Calibration Process

7.6 Correction Value Query

7.7 Zero Adjustment

7.7.1 Gauge/Differential Zero Offset

7.7.2 Absolute Zero Offset

7.8 Span Adjustment

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Содержание CPT6010

Страница 1: ...Operating Instructions Digital Pressure Transducer Digital Pressure Transducer CPT6010 PN 0017063001U 12 2018 CPT6010 ...

Страница 2: ...considerable damage mortal danger danger of injury will occur if the respective safety precautions are not taken This Caution symbol indicates danger for the system and material if the respective safety precautions are not taken This Notice symbol does not indicate safety notices but information for a better understanding of the facts Caution i Notice Warning ...

Страница 3: ...6 2 Safety Notices 7 2 1 Warnings and Caution Notices 7 3 Product Description 9 3 1 General Description 9 3 2 Turndowns 9 3 3 Power Supply 9 3 4 Sensor 9 3 5 Circuitry 9 3 6 Serial In Out Communications 9 4 Specifications 11 5 Installation 13 5 1 Unpacking the instrument 13 5 2 Dimensions 13 5 3 Configuration 13 5 4 Mounting 13 5 5 Pressure Connections 14 5 6 Electrical Connections 14 5 6 1 Connec...

Страница 4: ...on Syntax and Command Conventions 19 6 4 1 Wildcard Address Operator 19 6 4 2 Password Protection 19 6 4 3 Response String Format 19 6 4 4 Commands and Queries 20 6 4 5 Pressure Unit Code and Conversion 21 7 Calibration 23 7 1 Environment 23 7 2 Equipment 23 7 3 Pressure Standard 25 7 4 Calibration Medium 25 7 5 Calibration Process 25 7 6 Correction Value Query 25 7 7 Zero Adjustment 26 7 7 1 Gaug...

Страница 5: ...d the necessity or manner of repair Service repairs or disassembly of the product in any manner performed without specific factory permission voids this warranty MENSOR MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MANUAL INCLUD ING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT NESS FOR A PARTICULAR PURPOSE Mensor shall not be liable for errors contained herein or for in...

Страница 6: ...ROFITS BUSINESS INTERRUPTION LOSS OF BUSINESS INFORMA TION AND THE LIKE ARISING FROM OR IN CONNECTION WITH THE DELIVERY USE OR PERFORMANCE OF THE SOFTWARE PROGRAM 1 4 Mensor Service Plus If you have problems and you don t find the answer in this manual contact Mensor at 1 800 984 4200 USA only or 1 512 396 4200 for personal assistance or at any of the contact ad dresses listed on the rear cover of...

Страница 7: ...d for oxygen use Caution ESD PROTECTION REQUIRED The proper use of grounded work surfaces and personal wrist straps are required when coming into contact with exposed circuits printed circuit boards to prevent static discharge to sensitive electronic components Avoid excessive overpressure to the sensor Externally mounted relief valves to provide overpressure protection are available from Mensor a...

Страница 8: ...8 CPT6010 Operating Instructions Digital Pressure Transducer CPT6010 NOTES ...

Страница 9: ... turndown range At powerup the primary turndown is active by default 3 3 Power Supply The required 9 18 VDC power enters the CPT6010 via J1 All of the transducer electronics and communications share a common ground 3 4 Sensor The pressure sensor is secured to the transducer case and the 1 4 NPT fitting The case includes a 10 32 threaded opening which is the reference pressure port for gauge vacuum...

Страница 10: ...10 CPT6010 Operating Instructions Digital Pressure Transducer CPT6010 Figure 3 6 CPT6010 Block Diagram 9 to18 VDC ...

Страница 11: ...ied with periodic re zeroing Calibration Stability after warm up Less than 0 02 FS for 180 days with periodic rezeroing Zero and Span may be reset via the serial interface without affecting linearity Calibration Interval 180 days Calibration Adjustments Zero and Span via the serial interface Pressure Ranges Absolute 0 7 5 psia up to 0 6015 psia Gauge 0 5 psig up to 0 6000 psig Bidirectional 2 5 2 ...

Страница 12: ...transducers which can be connected to a single host computer is 31 Mechanical Shock 5g max Case Size 1 74 wide x 6 3 long 4 42 x 16 cm not including pneumatic and electrical connectors Weight Approximately 12 ounces 28 3 grams Pressure Media All media compatible with 316L stainless steel Fittings Pressure Port 1 4 inch male NPT Reference Port 1 16 inch barb gauge instruments only Power Required 9 ...

Страница 13: ...ion 7 2 Equipment 5 2 Dimensions Figure 5 2 Outline drawing CPT6010 5 3 Configuration A typical system will consist of an IBM PC compatible computer with installed driver software one or more CPT6010 s a DC voltage power supply and the interconnecting cables The driver software can be any program configured to operate the appropriate serial interface Up to 31 CPT6010 s can be connected in parallel...

Страница 14: ...pe threads Wrench size is 7 8 inch 5 6 Electrical Connections 5 6 1 Connector J1 Wiring Power and signals are applied to J1 a circular 6 pin male connector A positive power supply voltage is supplied to pin A and ground power and signal common is connected to pin B The CPT6010 is protected against power input reversal A mating connector Bendix PT06E 10 6S SR is shipped with the transducer Wiring b...

Страница 15: ... CPT6010 s without a repeater but each CPT6010 in the system must have a unique address The signal is simultaneously distributed to each transducer connect ed to the parallel path Each CPT6010 responds only to commands or queries directed to its own address Removal of one or more CPT6010 s from the line has no effect on the remaining devices Terminating resistor examples are shown and should be de...

Страница 16: ...16 CPT6010 Operating Instructions Digital Pressure Transducer CPT6010 Figure 5 6 3 RS 485 Cabling ...

Страница 17: ...r other parameters The serial port is set at the factory for either RS 232 or for RS 485 serial operation according to the customer s instructions This section of the manual provides information on the serial port configu ration explains the command conventions used in this manual and lists the common commands and queries which are recognized by the CPT6010 6 1 Multiple Turndown Devices The availa...

Страница 18: ...ess otherwise requested by the customer the CPT6010 serial ports are set at the factory to the default values listed in the following table Table 6 2 Serial Port Settings Item Value Type RS 232 Address 1 Baud 9600 Data Bits 8 Parity None Stop Bits 1 6 3 CPT6010 Address Each CPT6010 is assigned address 1 at the factory In a multiple CPT6010 system each trans ducer must have a unique address Valid a...

Страница 19: ...address operator However this wildcard must not be used in queries if more than one transducer is con nected to a host One use for the wildcard address could be when a CPT6010 is pulled out of a multi drop setup and sent to a calibration facility for recertification The calibration technician can communicate with the device using the wildcard address without learning or changing its assigned addre...

Страница 20: ...ile until the SAVE com mand is issued Table 6 4 4 Command Set Pass word Protect Command or Query Command String Return String Description No X cr X sp nnnnnnnnnn cr lf Basic query to return pressure readings No A XA sp n cr R Sets address of sensor to 0 9 or A Z No B XB cr X sp B sp n cr lf Returns the turndown cal flag No DC XDC cr X sp DC sp nnnnnn cr lf Returns the date of calibration where nnn...

Страница 21: ...s a span correction multiplier Yes SC XSC sp n n cr R Loads a span correction multiplier No SW XSW sp n cr R Switches between n 1 for pri mary cal or n 2 for secondary cal No T XT cr X sp T sp C cr lf Returns cal type No U XU cr X sp U sp n cr lf Returns pressure unit code See Table 6 4 5 No ZC XZC cr X sp ZC sp n n cr lf Returns zero correction value in current units Yes ZC XZC sp n n cr R Sets z...

Страница 22: ... mmH2O 4 C 703 0890 17 cmH2O 4 C 70 30890 18 mH2O 4 C 0 7030890 19 mmHg 0 C 51 71508 20 cmHg 0 C 5 171508 21 Torr 51 71508 22 Kpa 6 894757 23 Pa 6894 757 24 Dynes cm2 68947 57 25 g cm2 70 30697 26 kg cm2 0 07030697 27 mSW 0 C 3 5 salinity 0 6838528 28 oz in2 16 29 psf 144 30 tsf 0 072 31 Full Scale 32 microns Hg 0 C 51715 08 33 tsi 0 0005 35 HPa 68 94757 36 MPa 0 006894757 7 Calibration The CPT601...

Страница 23: ...s calibrated vertically with the pressure port at the bottom 7 2 Equipment The following equipment is needed to calibrate a gauge transducer see Figure 7 2 1 A downloadable calibration utility program Go to http www mensor com click Digital Library click Software click Instrument software then click on Operating Calibration software for the CPT6xxx digital pressure transducer series of digital pre...

Страница 24: ...ERING VALVE DIAPHRAGM TYPE VACUUM GAUGE VAC NOTE DISCONNECT WHEN VACUUM GAUGE RANGE IS EXCEEDED PRESSURE REFERENCE ATMOSPHERE SHUT OFF VALVE VOLUME CONTROLLER VENT LINE REGULATOR SHUT OFF VALVES VENT METERING VALVE PRESS REF PRESSURE STANDARD PRESSURE SUPPLY Setup for Absolute Pressure Calibration Gauge Pressure CPT6010 Computer Absolute Pressure CPT6010 Setup for Gauge Pressure Calibration Comput...

Страница 25: ...libration Process Please notice that the commands listed in this section are shown in the same style as those in the Operation section These are the bare commands seen by the CPT6010 stripped of all program ming idioms Depending on the specific language used to generate them these commands may have to be preceded by or enclosed in various symbols for transmission For this procedure it is assumed t...

Страница 26: ...his reading to track zero changes between calibrations 2 Vent the PRESSURE and REFERENCE ports to atmosphere The true pressure is now 0 zero Send PW cr lf Next send ZC sp 0 cr lf This will clear the current zero offset from RAM 3 While vented determine the current zero pressure reading of the CPT6010 Send cr lf Make a note of the zero value returned by the CPT6010 4 Subtract the current zero readi...

Страница 27: ... 0 cr lf 4 Determine the current pressure reading Send cr and make a note of this reading 5 Subtract the current pressure reading from the true pressure vacuum reading The difference is the zero offset now required Example For a 0 15 psia unit with 600 mTorr absolute pressure applied using psi units 600 millitorr 0 0116 psia true pressure Current pressure reading from step 4 0 0011 psia True press...

Страница 28: ...span of the CPT6010 To determine the CPT6010 pressure reading Send cr lf and make a note of this reading 4 Divide the known true pressure by the CPT6010 pressure reading The result is the required new span scale factor Example For a 150 psi unit True pressure 150 003 psi CPT6010 pressure reading from step 3 149 984 psi True pressure CPT6010 pressure new span scale factor 150 003 149 984 1 000127 5...

Страница 29: ...CPT6010 Operating Instructions 29 Digital Pressure Transducer CPT6010 NOTESpas ...

Страница 30: ...0 Fax 512 396 1820 sales mensor com www mensor com CPT6010 Operating Instructions PN 0017063001T 07 2018 WIKA Alexander Wiegand SE Co KG Alexander Wiegand Straße 30 D 63911 Klingenberg Germany Tel 49 93 72 132 5015 Fax 49 93 72 132 8767 CTSales wika de www wika de ...

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