Page 1: Table Of Contents
Oxygen Analyzer TAC-O – H Analyzer Instruction Manual (02/24 Version) Table of Contents PART 1 DEFINITIONS PART 2 INSTALLATION Safety Requirements Mounting the Instrument Sample Conditioning System Electrical Connections Communication Outputs 2.5.1 Optional Isolated 4-20 mA Tubing Connections & Instructions PART 3 START-UP &...
Page 2: Part 1 Definitions
For proper function, apply a constant pressure of approximately 10 psig. Sample pressure may require multiple pressure drops. You can purchase a sample-conditioning system from TAC. NOTE: Sample plate must be mounted below the analyzer to keep liquids from reaching the analyzer.
Page 3: Sample Conditioning System
2 Installation TAC-O Pg. 3 Sample Conditioning System The sample-conditioning system ensures a clean, regulated sample for the analyzer. Sample-gas composition and pressure, along with other factors, may require modifying the conditioning system for a specific application. Mount the sample-conditioning system below the analyzer if possible. The typical system may consist of a sample probe, drip pot, one or two regulators, and a membrane filter.
Page 4: Electrical Connections
2 Installation TAC-O Pg. 4 2.4 Electrical Connections The input power and the 4-20mA connections are in the analyzer’s enclosure. The power switch is in the upper left-hand corner of the enclosure. Use it to recycle the power as needed.
Page 5: Tubing Connections & Instructions
2 Installation TAC-O Pg. 5 Tubing Connections & Instructions SAMPLE The sample flows into the analyzer through the SAMPLE IN inlet and sweeps out of the instrument through the SAMPLE VENT outlet. The calibration and nitrogen standards are connected to STANDARD the analyzer through the STANDARD IN inlet.
Page 6: Start-Up & Operation Overview
Depending on when your analyzer was purchased some of the features illustrated in our manuals may or may not be included. For an updated program call TAC at 281-240-4160. The analyzer uses a 7-inch touchscreen programmable logic controller (PLC), with a removable microSD card that data logs and stores the TAC program.
Page 7: Screen Display
Pg. 7 Screen Display After the analyzer 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.
Page 8: Calibration And Start-Up Of The Analyzer
4 Controls and Their Operation TAC-O Pg. 8 The sensor status screen for O provides this information. O2 TREND Tips • To return to the main screen, press READINGS. • To return to the menu screen, press MENU. • To show the trend, press TREND.
Page 9 4 Controls and Their Operation TAC-O Pg. 9 4.2.1 Step 1: Installation of the O Sensor Caution: The Oxygen Sensor should NOT be exposed to ambient air for more than 2-3 minutes. Extended periods of exposure can damage the low end sensitivity and response time as well as extend the time to bring the O readings down.
Page 10: Calibrate Menu
4 After 10 to 20 seconds, the reading should levels are less than 100ppm. settle to 20.9%. Then press the VERIFY For further assistance, call Tac at 281-240-4160. CALIBRATION button. 5 The following screen will ask if the sensor has been changed –...
Page 11 4 Controls and Their Operation TAC-O Pg. 11 4.3.2 O Calibration with a Standard Gas To Calibrate O with Standard Gas From the menu screen, press the CALIBRATE 7 Turn off the calibration gas bottle. Turn the manual button to begin calibration.
Page 12: Alarm Settings Menu
4 Controls and Their Operation TAC-O Pg. 12 4.4 Alarm Settings Menu To Change the Alarm Settings From the menu screen, press the ALARM SETTINGS button. 2 The alarm settings menu will be displayed. Select the button for the setting you wish to change.
Page 13 4 Controls and Their Operation TAC-O Pg. 13 4.4.1 Flow Fail Alarm There is a pressure sensor in each analyzer that will indicate if the flow is obstructed to the analyzer. If the sample flow is obstructed, the analyzer will stop functioning and the main screen will flash “FLOW FAIL.”...
Page 14: Analog-Out Settings Menu
4 Controls and Their Operation TAC-O Pg. 14 Analog-Out Settings Menu To Change Analog-Out Settings From the menu screen, press the ANALOG OUT SETTINGS button. 2 The analog output settings menu will be displayed. Pressing the desired buttons allows you to set/change the 4-20 mA.
Page 15: Rtu/Modbus Menu
4 Controls and Their Operation TAC-O Pg. 15 RTU/Modbus Menu To Change the RTU/Modbus Settings 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 modbus settings.
Page 16: Tcip/Ip Menu
4 Controls and Their Operation TAC-O Pg. 16 4.6.2 TCIP/IP Menu To Change the TCIP Settings From the menu screen, press the TCIP MODBUS button. 2 Press the desired button(s) to set/change the settings. 3 Use the UP/DOWN ARROWS or keypad to enter the required data and press ENTER to save.
Page 17: Oem Settings Menu
4 Controls and Their Operation TAC-O Pg. 17 OEM Settings Menu Approval by TAC tech support is required to enter this screen. To Change the OEM Settings From the menu screen, press the OEM SETTINGS button. 2 Enter the password and follow the steps.
Page 18: Password Protection Feature
• The instrument’s accuracy depends on keeping vent lines perfectly clear, and bug screens on the vents help with this. You may purchase additional bug screens from TAC. TEXAS ANALYTICAL CONTROLS 4418 Bluebonnet Drive | Stafford, TX 77477 | (281) 240-4160 |...
Page 19: O 2 Sensor Replacement
5 Maintenance TAC-O Pg. 19 Sensor Replacement Note: Be certain to remove red pull tab before insertion Replacing Membrane Filter To keep a clean sample to the analyzer it is important to replace the membrane filter as needed. To Replace the Membrane Filter •...
Page 20: Analyzer Enclosure Dimensions
5 Maintenance TAC-O Pg. 20 Analyzer Enclosure Dimensions 9" 15" " " " 9" " TEXAS ANALYTICAL CONTROLS 4418 Bluebonnet Drive | Stafford, TX 77477 | (281) 240-4160 | www.tac-controls.com...
Page 21: Troubleshooting
Pg. 21 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 Press the right corner of the touch screen to bring up the System Menu 2 Press the SYSTEM button.
Page 22: Plc Loses Program - Reload Program
6 Troubleshooting TAC-O Pg. 22 PLC Loses Program — Reload Program If the PLC loses the program, it can be reloaded. To Reload Program 4 Press LOAD CLONE. 5 Press OK. Press the right corner of the touch screen to bring up the System Menu 6 Enter password 5625 and press ENTER.
Page 23 TAC-O Pg. 23 Thank you for purchasing one of our analyzers. Since 1975, TAC has been supplying analyzers to the oil field industry. We have always had three main objectives: • To provide instruments of the highest quality • To continue to improve our systems and add features and capabilities •...