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TAC TAC-O2-H, Instruction Manual, Page: 21 / 23

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TAC TAC-O2-H Instruction Manual Download Page 21

 

TAC-O

2  

_

 

H 

Pg. 21

TEXAS ANALYTICAL CONTROLS

  

4418 Bluebonnet Drive  |  Stafford, TX 77477  |  (281) 240-4160  |  

www.tac-controls.com

6  Troubleshooting

6.1   Frozen Screen – Run/Idle Mode 

If the PLC freezes or gets stuck on the TAC Logo screen it maybe in the Idle mode.  

To Change to Run Mode

1  Press the right corner of the touch screen to bring up the System Menu
2  Press the SYSTEM button.
3  Press the VIEW STATUS.
4  Press ENTER to change to RUN mode.

1

3

2

4

SYSTEM

F1

F2

F3

F4

F5

➔

VIEW STATUS

Summary of Contents for TAC-O2-H

Page 1: ...4 2 Calibration and Start up of the Analyzer 4 2 1 Installation of the O2 Sensor 4 3 Calibrate Menu 4 3 1 O2 Calibration Atmospheric Gas 4 3 2 O2 Calibration Standard Gas 4 4 Alarm Settings Menu 4 4...

Page 2: ...nstallation 2 1 Safety Requirements Operators are responsible for performing their own testing and analysis as well as meeting all safety requirements during installation and operation Safety Checklis...

Page 3: ...ire an additional pressure regulator at the sample tap One to three pressure drops may be necessary to ensure that the analyzer receives a sample that is free of liquids A typical system is illustrate...

Page 4: ...fail signal A 5 AMP fuse is included to protect the analyzer from an overload A spare fuse is also provided The analyzer draws approximately 1 amp depending on its configuration If the analyzer is pow...

Page 5: ...in the calibration section Sample Vent The sample sweeps through the instrument Sample gas flows here at all times Pipe the sample return to dispose of it wherever appropriate depending on the sample...

Page 6: ...ribe below what happens inside the instrument at various stages of operation Because the O2 sensor is a proprietary device we don t describe its operation but we do describe how the sensor measures th...

Page 7: ...is powered up it displays warm up screens then the TAC address and phone number then the main screen On subsequent screens press the READINGS button at any time to return to the main screen Sensor Wea...

Page 8: ...ration of the O2 is required at start up The initial calibration is recommended by using ambient air 20 9 The main screen will read Over range Pressing the O2 Sensor Status button will reveal current...

Page 9: ...p 5 Hold the sensor using the paper tab to easily insall Place the sensor with metal mesh screen side down and the circuit board contacts facing up Note Be certain to remove red pull tab before insert...

Page 10: ...lve on the side of the enclosure from Standard In to SAMPLE IN 8 On the front of the enclosure confirm that the flow meter is set to 0 5 SCFH If necessary use the flow meter adjustment knob on the sid...

Page 11: ...ion is complete Press the VERIFY CALIBRATION button If the calibration was successful the analyzer will display Calibration successful 7 Turn off the calibration gas bottle Turn the manual calibration...

Page 12: ...arm settings menu will be displayed Select the button for the setting you wish to change Set change the alarm setpoints Set an alarm delay Turn on or off the flow fail warning Set sensor saturation to...

Page 13: ...flow fail the main screen displays the following Flow Fail Assembly 12v or 24v To Clear Flow Fail 1 Ensure that the regulators and flow meter s are working properly 2 Check that the sample line for o...

Page 14: ...esired buttons allows you to set change the 4 20 mA 3 Use the keypad to enter the values and press ENTER to save 4 Press the MENU button to return to the menu screen Press the READINGS button to retur...

Page 15: ...on 4 6 RTU Modbus Menu To Change the RTU Modbus Settings 1 From the menu screen press the RTU MODBUS button 2 Turn MODBUS OFF when configuring settings Press the desired button s to set change the mod...

Page 16: ...he MENU button to return to the menu screen Press the READINGS button to return to the main screen To Change the Data Logging Settings 1 From the menu screen press the DATA LOGGING button 2 Press the...

Page 17: ...ss the MENU button to return to the menu screen Press the READINGS button to return to the main screen To Access the Help Menu 1 From the menu screen press the HELP button 2 The help screen provides t...

Page 18: ...ating properly conduct the following two external visual checks Do not make internal adjustments without consulting a technician or the troubleshooting guide Do not adjust any operating parameters thr...

Page 19: ...ded 5 2 O2 Sensor Replacement To Replace the Membrane Filter Unscrew the cap and pull the ring from the membrane separator If the white membrane is discolored or if there are contaminants on it the fi...

Page 20: ...EXAS ANALYTICAL CONTROLS 4418 Bluebonnet Drive Stafford TX 77477 281 240 4160 www tac controls com 5 Maintenance 11 15 1 4 11 3 8 7 5 8 9 15 16 1 4 11 5 8 15 1 4 7 5 8 16 3 8 9 14 1 2 5 4 Analyzer Enc...

Page 21: ...1 Frozen Screen Run Idle Mode If the PLC freezes or gets stuck on the TAC Logo screen it maybe in the Idle mode To Change to Run Mode 1 Press the right corner of the touch screen to bring up the Syst...

Page 22: ...ytes 1930752 Total Kbytes 1931264 6 2 PLC Loses Program Reload Program If the PLC loses the program it can be reloaded To Reload Program 1 Press the right corner of the touch screen to bring up the Sy...

Page 23: ...est quality To continue to improve our systems and add features and capabilities To protect the workers the environment and costly equipment We highly value our relationships with each customer Please...

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