ABB NGC8206 Startup Manual Download Page 21

19

 

Clue:  Some components are not gated correctly. 

Possibility: 

  Carrier Pressure Set Point may be too high or too low. 

See Carrier Pressure Set Point. 

  Gate times may be incorrect. See Gating Peaks. 

Clue:  NGC is “processing” unused streams. 

Possibility: 

  Unused streams need to be disabled. See Stream 

Sequencing-Enable or Disable Streams. 

Troubleshooting Solutions 

Oven Temperature Stabilization 

The oven temperature must be stabilized to receive good, repeatable 

data. The oven temperature is typically stable enough in 30 to 60 

minutes to pass diagnostics. This allows the user to proceed with all the 

required setup information. Despite this, for the oven and other 

components to fully stabilized, Totalflow recommends that the unit be 

allowed a burn-in period of eight (8) hours. The end caps should be 

installed during this period and during normal processing. Ambient 

temperatures and not having the end caps installed could impede the 

oven temperature from stabilizing at 60

°

 C (140° F). 

Carrier Pressure Set Point 

The NGC has two column trains that have their own carrier pressure 

regulator. Tests show that if nC5 on Column 1 elutes at approximately 160 

seconds and C2 on Column 2 elutes at approximately 220 seconds, the 

unit performs optimally. This is not to say that there may be special 

applications which can cause these times to be different. 
If nC5 and C2 are not within 3 - 4 seconds of these ranges, the user may 

want to change the carrier pressures. It should be noted that changing the 

carrier pressures will move the other peaks. As such, the user may want to 

perform an Auto Peak Find. 
To change carrier pressures, the user must be in Hold mode. Click the Hold 

button on the Operation screen, and wait until the end of the cycle. When 

the unit enters Hold mode, click on the Peak Find button. If the Manual 

check box at the top of the screen is grayed out, close the Peak Find 

screen, and click on the View option from the main toolbar. Select Expert 

from the drop-down. Return to the Analyzer Operation screen, and click 

the Peak Find button again. Manual mode will now be selectable. 
While units vary from one to the other, it should be noted that one PSI 

change will move the nC5 or C2 peak by 10-12 seconds. Increase pressure 

to decrease the time that the components elute, and decrease pressure to 

increase the time they elute. After making a pressure change, click Send 

Setup and then Run Single Cycle. The chromatograms will update at the 

end of the cycle (typically, 5 minutes). The user should repeat this process 

until they receive the preferred results. 

Troublesh

oo

ting 

Summary of Contents for NGC8206

Page 1: ...MEASUREMENT CONTROL SYSTEMS NGC8206 Start Up Guide...

Page 2: ...llations only It is recommended that inexperienced technicians consult the Totalflow NGC8206 User s Manual for more detailed information while performing the installation and start up Scan through the...

Page 3: ...0 15 20 m 2102024 XXX 16 100 30 48 m 2102024 XXX 23 150 45 72 m 2102024 XXX 30 200 60 10 m 2102024 XXX 36 250 76 20 m 2102024 XXX 42 300 91 44 m 2102024 XXX 50 350 106 68 m 2102024 XXX 56 380 115 82 m...

Page 4: ...ORTANT A particulate filter with a liquid vapor separator sample conditioning module is strongly recommended Operating the NGC without a sample conditioning module can allow liquids and particulates t...

Page 5: ...Strouhal number to determine probe lengths This reduces the effects of resonant vibration Please refer to API standards for additional information Step 5 Connect Sample Streams IMPORTANT Remove sealin...

Page 6: ...of the NGC8206 User s Manual If a sample conditioning module is not being used the sample transport tubing should be 1 16 inch tubing and no longer than ten feet Purge all lines prior to connecting t...

Page 7: ...input 1 DI1 and the calibration blend bottle to digital input 2 DI2 See the termination board drawing on page 15 Step 7 Set Carrier Regulator to 90 PSIG Cal Blend and Sample Probe Regulators to 15 PS...

Page 8: ...and will provide maximum load conditions Due to the fast pulsing action of the oven circuit the true voltage cannot be read with a traditional voltmeter However using a voltmeter the user needs to ve...

Page 9: ...This is the outside connector on the NGC with an explosion proof cap Use Serial Port If using the serial port the external connection on the NGC is a round military type connector Keep Current Port I...

Page 10: ...he NGC should have defaulted to 0000 on start up Step 15 NGC Start Up Wizard When PCCU establishes a connection with the NGC the NGC Start Up Wizard begins automatically This will only happen the firs...

Page 11: ...ormation Be sure to put the unit in Run mode as instructed and allow the unit to run anywhere from eight 8 hours to overnight Step 16 Calibrate the NGC After the unit has run for a minimum of eight 8...

Page 12: ...l indicator of the flowing calibration stream will display The Next Mode should still indicate Hold and the unit will go back into Hold mode when the calibration process is finished If using 2 Purge c...

Page 13: ...n process that was just run This signifies that the calibration data was accepted no alarms etc If this displays an older date and time generally indicating factory calibration the new calibration dat...

Page 14: ...ed during the Start Up Wizard the user may want to see if the streams they set to run automatically are For a stream to automatically sequence it must be enabled and be present in the stream sequence...

Page 15: ...ration the unit will return to its normal stream sequence NOTE Allow at least the first stream to complete and verify that the Unnormalized total is 100 5 99 5 100 5 This concludes setting up the NGC...

Page 16: ...d CTS No Connection Receive Bus COMM 2 J10 COMM 2 J10 COMM 2 J10 1 Power Out Power Out Power Out 2 Ground Ground Ground 3 Switched Power Out Switched Power Out Switched Power Out 4 Operate Operate Ope...

Page 17: ...urity code and the listen cycle time match in WinCCU and PCCU Verify the wiring from the NGC8206 to the Optional Equipment Unit OEU terminal strip and then the terminal strip to the radio Verify the c...

Page 18: ...e fine tuning To use either Peak Find function the user must first place the unit in Hold Once in Hold select Peak Find from the Analyzer Operation screen Please notice that the Manual check box is gr...

Page 19: ...able to check the Manual box There is now a Peak Setup table and the various parameter fields can be modified There are areas in the Peak Setup table such as Slope Run Slope Rise and Front Height Rat...

Page 20: ...peak Possibility Front Height Ratio may need refined See Integrating Peaks Gates may need to be added See Gating Peaks Clue Chrom 2 C2 peak time is not eluting around 220 seconds Possibility Column 2...

Page 21: ...pproximately 220 seconds the unit performs optimally This is not to say that there may be special applications which can cause these times to be different If nC5 and C2 are not within 3 4 seconds of t...

Page 22: ...the peaks Manually label the peaks in the Peak Find screen by zooming in on the chrom placing the cursor inside of the peak right clicking and selecting Label Peak When the new window displays select...

Page 23: ...On the Analyzer Operation screen click the Stream Sequence tab Under the Stream Enable section set the value next to the corrsponding stream to Disable Remove unused streams from the Stream Sequence...

Page 24: ...ABB Inc Totalflow Products 7051 Industrial Blvd Bartlesville Oklahoma 74006 Tel USA 800 442 3097 International 001 918 338 4880...

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