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OIDMANUAL 1219

KAM CONTROLS, INC.

M A I N T E N A N C E C O N T I N U E D

FIG. 5-5

(output data OID models serial numbers OID-15-1062 or higher))

Column 1

– Command number (for information only)

Column 2

– Time Code (for information only)

Column 3

– Offset value in counts. The factory offset should be around

6553 ±500. To convert the value to volts divide the value shown by 13107.

Column 4

– Signal value from the MPPC photodiode. This value is also in counts. It has range

from 6553 ± 500 to 58982 ( 0.5Vto 4.5V) depending on the product that the probe is seeing.

Column 5

– High Voltage supply going to the MPPC Photo diode. The range is

from 46.5VDC to 58.0VDC.

Column 6

– MPPC Photodiode Temperature, controlled by a thermoelectric cooler

inside the photodiode. The factory temperature is between 14C and 16C.

Column 7

– Reference Voltage that controls the High Voltage supply.

This value should be between .720 to .880VDC

Column 8

– Value of the photodiode monitoring the LED when it is

OFF. This value is shown in counts and should be less than 100.

Column 9

– Value of the photodiode monitoring the LED when it

is ON. This value is shown in counts and should be between 400

& 600. If the LED is damaged and not turning on this value will be

the same as in column 8.

Column 10

– Signal in counts after any compensations such

as compensation for temperature.

Column 11

– OID output on a 0-100% range

Column 12

– OID output on a 4-20mA range

Column 13

– Electronics temperature

Column 14

- CRC Cyclic Redundancy

check for information only

Содержание OID

Страница 1: ...FAX 1 713 784 0001 Email Sales Kam com KAM CONTROLS INC 3939 Ann Arbor Drive Houston Texas 77063 USA www KAM com User Manual KAM OID OPTICAL INTERFACE DETECTOR PTB 08 ATEX 1027 OIDMANUAL 1219 An ISO 9001 certified company ...

Страница 2: ...OID 16 4 Field Calibration 17 5 Maintenance 19 Cleaning and Inspection 19 Diagnostics via RS232 19 APPENDIX A Modbus Register 24 Register 24 Changing the Modbus Register 24 CAUTION When installing the OID sensor in a pipeline containing petroleum products petrochemicals waste waters with the presence of pressure temperature and high pressure steam refer to the Pipeline Operators Health Safety and ...

Страница 3: ...eration light from the light source in the explosion proof enclosure travels via the fiber optics cable to the process fluid Unabsorbed light returns via the fiber optics cable to a photo detector in the explosion proof enclosure The resulting information regarding the absorption fluorescence and refractive properties of the fluid is then turned into an analog signal or optical signature Measureme...

Страница 4: ... Insertable retractable and flow through models available Output signal can be sent to a SCADA PLC s or to a Central Control Room Insertable model installs without having to drain the pipe APPLICATIONS Batching Interface detection Product transmix management Product downgrade management Pipeline automation Chemicals interface Clear oil interface Quality control FIG 1 4 KAM OID AND API GRAVITY DENS...

Страница 5: ...176º F 40º to 80º C Electronics temp 4º to 140º F 20º to 60º C Pressure ratings ANSI 150 300 600 900 Hazardous area PTB04 ATEX 1027 II 2 G EEx d IIBT6 NEMA4 IP66 equivalent Mounting 3 4 and 1 MNPT 2 MNPT Seal Housing 2 3 or 4 Flanged Seal Housing EX enclosure 3 x 6 x 3 76 mm x 152 mm x 76 mm Shaft length 12 to 60 Off the shelf lengths are 24 30 36 48 and 60 610 mm to 1524 mm Off the shelf 610 mm 7...

Страница 6: ...duct interface KAM CONTROLS also strongly recommends that you utilize a preview or out station OID sensor This lets the operator decide how to optimize each batch cut prior to actually making the batch cut at the in station and gives the operator more confidence in their decisions as well as the time to identify and resolve any issues that may arise during a critical interface OUT STATION PREVIEW ...

Страница 7: ...traight portion of pipe It needs to be mounted off the bend opposite the pump DO NOT install the OID sensor with the lens facing directly into the flow If the product has particulate matter in the fluid like sand this will sandblast the lens and could cause premature failure DO NOT attempt to screw the OID sensor either in or out by hand Always use a 1 1 4 or 1 3 8 wrench on the wrench flat below ...

Страница 8: ... S AND DON TS Minimum 8 20 3 cm DO NOT use teflon tape on the OID sensor threads DO use liquid thread sealant DO install the OID sensor with a minimum of 8 or 200mm between the lens and the nearest flat surface DO install the OID sensor with a sun shade if the electronics are directly exposed to sunlight ...

Страница 9: ...the probe is not damaged when pigging the pipeline NOTE If line pressure exceeds 100 psi use a KAM IT Insertion Tool when installing removing the KAM OID sensor Lay the OID sensor on the ground or a table Loosen Socket Cap Screw using a 3 8 Allen wrench on the locking collar This will allow the OID shaft to slide through the seal housing Push the OID shaft though the seal housing until the OID pro...

Страница 10: ...ulate the insertion distance for Flanged Seal Housing If you have a MNPT Seal Housing proceed to step 9 Total Insertion Distance TID D1 Pipe Wall Thickness Seal Thickness 1 4 Example for D1 19 Pipe WT 3 8 and Seal Thickness is 1 8 TID 19 3 8 1 8 1 4 or TID 19 375 125 25 TID 19 1 4 or 19 25 7 5 6 FIG 3 5 Use the calculated TID and mark a second line on the shaft measuring from first mark FIG 3 6 8 ...

Страница 11: ...he Valve or female connection to the top of the Seal Housing body and subtracting that distance from 5 25 FIG 3 7 First mark Second mark FIG 3 8 TID Measuring points For example If the measured distance from the top of the valve to the top of the seal housing body is 4 75 you would calculate the threaded depth TD by subtracting 4 65 from 5 25 5 25 4 65 0 6 In this case the threaded depth TD would ...

Страница 12: ... at the top edge of the Locking Collar FIG 3 9 FIG 3 9 12 13 14 15 I N S TA L L AT I O N C O N T I N U E D Second Mark REMOVINGTHE OID SENSOR To remove the OID sensor first disconnect all electrical connections to the OID enclosure Make sure that the line pressure is below 100 psi Then slowly and with caution loosen the Socket Cap Screws on the Lock Down Collar CAUTION Once the Socket Cap Screws h...

Страница 13: ...nd 1 MNPT OID sensors should be installed according to FIG 3 11 The OID sensor should be installed in an analyzer loop in such a fashion that the flow sweeps across the probe lens rather than rushing directly at the probe The reason for this is to 1 obtain a credible reading of the product pipeline interface 2 keep the lens of the probe clean and abrasion free If the OID is installed with the prod...

Страница 14: ...wed cable glands and sealing plugs of simple construction shall not be used For connection of the OID by means of an approved conduit entry the associated sealing device must be arranged directly at the enclosure Non used openings shall be sealed according to EN 60079 1 section 13 8 The connecting lead of the OID shall be installed as permanent installation and as such that it is sufficiently prot...

Страница 15: ...hannel DIN Rail RECEIVER INPUT POWER SUPPLY 24VDC 2 Watts POWER POWER 4 20mA 4 20mA 4 20 mA Loop Isolator INPUT OUTPUT Power Supply and Output Wiring with External Power Isolator OID OID POWER POWER 4 20mA 4 20mA RECEIVER INPUT POWER SUPPLY 24VDC 2 Watts 4 20 mA Loop Isolator Power Supply and Output Wiring with Loop Powered Isolator Recommended INPUT OUTPUT Recommend 4 20mA Loop Isolators 1 ASI X7...

Страница 16: ... as this will damage the 4 20 mA output 500 Ohm max load KAM serial cable diagnostics only 12 or 24 VDC 1 amp power supply FIG 3 15 POWER OUTPUTS COMMUNICATION INTERFACE V GND RS232 diagnostics RS485 Modbus RTU CAUTION When electronics enclosure is open be ex tremely careful to avoid any contact with interior fiber optic connections Failure to do so could result in the OID malfunctioning 4 20 mA C...

Страница 17: ...n proof box using 16 AWG braided wire Ensure that the box is connected to Earth ground either through the pipeline or appropriate low impedance buried grounding structure NOTE CHS is isolated from GND Grounding CHS to pipeline through the grounding screw will not short OID GND to the pipeline To connect the power for the OID sensor first check both wires from the source for polarity and voltage th...

Страница 18: ...ucts that exceed the pre set calibration readings will produce an off scale reading exceeding 20mA Decreasing sensitivity lowers the output range of the KAM OID sensor to allow all readings to fall within the 4 20 mA output ranges CAUTION When multiple KAM OID sensors are being used on the same system each sensor should be calibrated equally If unique calibration is applied to one unit its output ...

Страница 19: ...TP4 3939 ANN ARBOR DRIVE HOUSTON TX 77063 Tel 1 713 784 0000 Fax 1 713 784 0001 www Kam com KAM OID MADE IN USA RS232 RXD CHS GND RS232 TXD GND 24 12 VDC 24 12 VDC 485 RX CHS GND 485 TX CHS GND 4 20 mA 4 20 mA F I E L D C A L I B R AT I O N C O N T I N U E D Maximum Output Range Adjustment FIG 4 1 ...

Страница 20: ...ANING AND INSPECTION DIAGNOSTICS VIA RS232 Install RealTerm if not installed on your PC RealTerm Software can be Downloaded at http sourceforge net projects realterm files Realterm 2 0 0 70 Click on Realterm_2 0 0 70 _setup exe to install Connect the RS232 cable to the OID as shown in the wiring diagram FIG 3 15 on page 15 Connect the other end of the RS232 Cable to your computer serial port or to...

Страница 21: ...hange the settings as follows a Baud 115200 b Parity None c Data Bits 8 d Stop Bits 1 e Hardware Flow Control None f Port Select Port number assigned to your serial port or USB to serial converter g Click on the Change button to save these settings 6 Port settings Change to save Select port number FIG 5 2 Port tab ...

Страница 22: ...ge on the window displaying the software version number the version date and the schematic version of the board 7 8 9 M A I N T E N A N C E C O N T I N U E D FIG 5 3 EOL section Command boxes Send tab To view output data type the command ostart c 20 and click on Send ASCII See FIGs 5 4 and 5 5 on pages 22 and 23 10 11 Type the command ostop c to stop the data Always do this before disconnecting ...

Страница 23: ...mn 6 MPPC Photodiode Temperature controlled by a thermoelectric cooler inside the photodiode The factory temperature is between 14C and 16C Column 7 Reference Voltage that controls the High Voltage supply This value should be between 980 to 1 100 VDC Column 8 Value of the photodiode monitoring the LED when it is OFF This value is shown in counts and should be less than 100 Column 9 Value of the ph...

Страница 24: ...umn 6 MPPC Photodiode Temperature controlled by a thermoelectric cooler inside the photodiode The factory temperature is between 14C and 16C Column 7 Reference Voltage that controls the High Voltage supply This value should be between 720 to 880VDC Column 8 Value of the photodiode monitoring the LED when it is OFF This value is shown in counts and should be less than 100 Column 9 Value of the phot...

Страница 25: ...isters SETTINGS MODE RTU BAUD RATE 9600 DATA BITS 8 STOP BITS 1 PARITY NONE SLAVE ID 1 OFFSET 0 Register No Type Description 42000 32bit Float Signal Offset 42001 32bit Float Sinal In from Photodiode 42002 32bit Float LED OFF status 42003 32bit Float LED ON Status 42004 32bit Float Electronics Temperature in Celsius 42005 32bit Float 0 100 Output 42006 32bit Float 4 20mA Output OID Holding Modbus ...

Страница 26: ...00 and click on Send ASCII The red 2 represents the new address That number can be any number from 1 to 247 A P P E N D I X A CHANGINGTHE MODBUS ADDRESS continued 4 5 FIG A 2 To complete the change turn the OID power off wait a couple of seconds and turn it back on ...

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