QUICKSTART GUIDE. Infrared Gas Analyzer. Teledyne Analytical Instruments

Transcription

1 QUICKSTART GUIDE MODEL 7500 Teledyne Analytical Instruments

2 Quickstart Guide Teledyne Analytical Instruments

3 Model 7500 Quickstart Guide GETTING STARTED This Quickstart Guide is designed to get you set up and operating your Teledyne Analytical Instruments Analyzer quickly. It shortcuts the details so you can install and use your new analyzer with a minimum of fuss. This Quickstart Guide should be used in conjunction with the Instruction Manual that shipped with your instrument. Only necessary features to get you operational are discussed in this guide. Many of the advanced features of this analyzer are not described here so you should refer to the Instruction Manual to get the most from your analyzer. The Model 7500 infrared gas analyzer measures the concentrations of CO 2, CO, CH 4, SO 2, and O 2 contained in a sample gas. CO 2, CO, CH 4, and SO 2 are measured by non-dispersion infrared method, while O 2 is measured using a paramagnetic oxygen sensor or an external zirconia O 2 sensor.. A maximum of 4 components including O 2 (a maximum of 3 components for other than O 2 measurement) are simultaneously measurable. Front Panel (Operator Interface) Take a minute to familiarize yourself with the analyzer s interface. The standard 7500 is housed in a rugged case with controls and display accessible from the front panel. The operator interface consists of eight buttons for operating the analyzer, a display screen, plus power and back light switches. Teledyne Analytical Instruments 1

4 Quickstart Guide Control Keys: Name Description Name Description MODE key Used to switch the mode. ESC key Used to return to a previous screen or cancel the setting midway. SIDE key Used to change the selected item (by moving the cursor) and numeral digit. ENT key Used for confirmation of selected items or values, and for execution of calibration. UP key Used to change the selected item (by moving the cursor) and to increase numeral value. ZERO key Used for zero calibration. DOWN key Used to change the selected item (by moving the cursor) and to decrease numeral value. SPAN key Used for span calibration. Rear Panel At the rear panel you make the gas and electrical connections to the instrument. Power Connection: Port for connecting power cable. Gas Connections: One inlet, exhaust out plus purge inlet. RS-232 Port : Digital port for standard DB-9 type cable Terminal Blocks 1-5: Interconnections for analyzer functions including: Analog outputs Teledyne Analytical Instruments 2

5 Model 7500 Quickstart Guide Alarm connections Calibration contacts Range ID contacts Remote range change signals Auto calibration signals External O2 sensor input Error signals Pump control Refer to the Instruction manual that shipped with your instrument for a complete list of output signal connections. Teledyne Analytical Instruments 3

6 Quickstart Guide SETUP AND INSTALL Mount the Analyzer The Model 7500 is for indoor use in a general purpose area. It is NOT for hazardous environments of any type. For installation, select an indoor location that is vibration-free, clean, and close to an AC power source ( VAC 50/60 Hz). The instrument is designed to be either slide rail or guide rail mounted as shown below. Whichever mounting method is chosen, make sure there is sufficient access room on top of the analyzer to be able to remove the top cover and perform instrument maintenance. Gas Connections Note: Read all cautions contained in the Instruction manual before installing sample system. You will need the following calibration gases: Zero gas: N 2 (CO 2, CO, CH 4, SO 2 and built-in paramagnetic O 2 sensor). Purge gas (N 2 or other inert gas) Span gas: 90% of full scale of component for analysis. Span gas: for built-in paramagnetic O 2 sensor 90% of full scale of O 2. Teledyne Analytical Instruments 4

7 Model 7500 Quickstart Guide If using an external zirconia O 2 sensor, you will need: Zero gas dry air or air Span gas 1-2% O 2 The analyzer is designed for 1/4 inch tubing. Installed fittings are 1/4 NPT. A typical piping diagram is shown below. This diagram shows calibration gases directed to the analyzer through solenoid valves which are controlled by the analyzer. 1. Connect the sample gas to the SAMPLE IN port. 2. Connect a vent line to SAMPLE OUT port. Exhaust to atmospheric pressure. 3. Calibration gases should be tee'd into the sample inlet with appropriate valves. (See piping diagram). 4. Regulate the sample gas pressure to keep the sample flow around 1 ±0.5 lpm (liter per minute). 5. Use short tubing with minimum bends for improved response time. 6. If required, connect a purge gas to the purge inlet. Use a purge flowrate of 1 lpm. Note: Exhaust connections must be consistent with the hazard level of the constituent gases. Check Local, State, and Federal laws, and ensure that the exhaust stream vents to an appropriately controlled area, if required. See sections 3.3 and 3.4 in the Instruction Manual for additional details regarding sample systems. Teledyne Analytical Instruments 5

8 Quickstart Guide Electrical Connections CAUTION: READ ALL SAFETY INFORMATION REGARDING ELECTRICAL HAZARDS ASSOCIATIED WITH THIS INSTRUMENT BEFORE MAKING ELECTRICAL CONNECTIONS. All electrical connections are made at the rear panel. Main Power: Connect primary input power cord. Insert the power cord into the power cord receptacle. Terminal Block 1: Connect analog output signals (4 to 20 madc or 0 to 1 VDC ) at Terminal Block 1 (1 to 10, 15 to 20). Each channel has its own output signal. Terminal Block 2: If using an external O 2 sensor, connect the O 2 sensor input to Terminal Block 2 (1 2). Note: There are no terminals for the built-in O 2 sensor. It is prewired internally at the factory. If used, connect input signal for remote range changing at Terminal Block 2 position 13 to 20 as shown in the figure. Teledyne Analytical Instruments 6

9 Model 7500 Quickstart Guide Terminal Block 3: Connect Remote Hold, Average Value Reset, and Auto Calibration Remote Start contact inputs to Terminal Block 3 as shown in the Figure. Connect failure alarm. Contact output is at Terminal Block 3 (11, 12). Connect Range ID. Contact outputs for each channel available at Terminal Block 3 (13 through 20). Terminal Block 4: Connect span and zero calibration output signals at Terminal Block 4 (1 through 10). Connect Auto Calibration Status Signal. Contact output is available at Terminal Block 4 (13, 14). Connect Calibration Error Signal. Contact is available at Terminal Block 4 (15, 16) Connect Pump ON/OFF signal. Output is available at Terminal Block 4 (17, 18). Terminal Block 5: Connect alarms. Alarm contacts are available for each channel at Terminal Block 5 as shown in the figure. Additional information regarding input and output signals can be found in the instruction Manual in Section 3.5. Teledyne Analytical Instruments 7

10 Quickstart Guide BASIC OPERATION Once the analyzer has been installed, it can be configured for your application. Prior to using the instrument you must: Turn the power on and allow the analyzer to warm up. Select the range for analysis. Enter calibration parameters. Set alarm setpoints. Calibrate the instrument. Additional configuration parameters are available to tailor the instrument to your particular application. Refer to the Instruction Manual for specific information on setting of additional system parameters. Modes of Operation There are three basic modes of operation, Measurement mode, User mode and Calibration mode. Measurement mode is the default mode and is where you view the concentration data, alarm information and other data and messages relating to the analysis. The measurement mode shown in the Figure to the right, displays up to 5 channels in a single screen. When viewing a channel beyond the 5 channels, press the UP or DOWN keys to scroll the screen one channel at a time. The User mode, is where you will setup the parameters for analyzer. It is entered by pressing the MODE key which toggles between Measurement and User modes. Note that in the User mode screen, the upper left portion of the screen indicates the particular screen you are viewing while the upper right portion prompts you for the possible inputs within the screen. The Calibration Mode is used for calibrating the analyzer. It is entered by pressing either the ZERO or SPAN keys. This mode is used to set zero and span calibration concentration, calibration range and auto-calibration details. But before you can calibrate the analyzer there are some parameters to set up first, and these are discussed below. Teledyne Analytical Instruments 8

11 Model 7500 Quickstart Guide Warm-Up Operation and Regular Operation 1. Turn ON the power switch at the left of the front panel. In a few moments, the measurement screen will appear at the front panel. 2. Allow 2 hours for the instrument to warm-up. Selecting the Analysis Range Select the analysis range for each component. 1. Press the MODE key to display the User mode. 2. Point the cursor to Changeover of Range and press the ENT key. 3. The Channel Selection screen appears. Press the UP or DOWN key to select the desired CH (component). Then press the ENT key. 4. At the next screen, select the range using the UP or DOWN keys. (The range with a TRIANGLE mark is currently selected.) After selection, press the ENT key. Note: If Remote Range is set to ON, the a range change cannot be performed on this screen. See the Instruction Manual for information on remote range change. Teledyne Analytical Instruments 9

12 Quickstart Guide Calibration Settings Set calibration concentration: Here, you will set the concentration of the standard gas (zero and span) for each channel that will be used in calibration. 1. Press the MODE key and toggle the display to the User mode. 2. Use the UP or DOWN keys to point the cursor to Setting about Calibration. Press the ENT key. 3. In the Setting about Calibration screen that appears, move the cursor to Calibration Value using the UP or DOWN key. Press the ENT key. 4. The next screen prompts you to select the channel you want to set. Move the cursor to the channel (CH) you want using the UP or DOWN key. Press the ENT key. 5. Select any concentration item you want to set using the UP, DOWN, or SIDE key. Note: Only instruments using the zirconia O 2 sensor can alter the zero setting. 6. Enter the calibration gas concentration values (zero and span) using the UP or DOWN key to increase or decrease the displayed value. Move to the next digit by pressing the SIDE key. When the correct calibration value is shown, save the entry by pressing the ENT key. 7. To close the calibration concentration value setting process or abort the entry midway, press the ESC key. A previous screen will return. Manual zero individually or all at once: Here you will set whether you want to zero calibrate all components at once or individually channel by channel. 1. Press the MODE key and toggle the display to USER mode. Teledyne Analytical Instruments 10

13 Model 7500 Quickstart Guide 2. Move the cursor to Setting about Calibration using the UP or DOWN key. Press the ENT key. 3. In the next screen use the UP or DOWN key to move to About ZERO Calibration. Press the ENT key. 4. In the next screen, point the cursor to CH you want to set by using the UP or DOWN key. Press the ENT key. 5. In the next screen, select At once or Each by pressing the UP or DOWN key. Selecting At once will allow the CH (components) to be zero-calibrated at the same time. Selecting Each allows the CH (components) to be individually zero-calibrated. After setting, press the ENT key to save the selections. 6. To close the calibration screen or abort the entry midway, press the ESC key. A previous screen will return. Set the Range to Calibrate on: This mode is used to set the range for each CH (component) to calibrate on. You can calibrate the component on a single range or both ranges. 1. Press the MODE key to display the User mode. 2. Move the cursor to Setting about Calibration using the UP or DOWN keys. Press the ENT key. 3. In the next screen that appears, select About Calibration Range using the UP or DOWN keys then press the ENT key. 4. In the next screen, select the CH you want to set by pressing the UP or DOWN keys. Press the ENT key. 5. In the Calibration Selection screen that appears, select Both or Current by pressing the UP or DOWN key. When selecting both, Range 1 and Range 2 of the set CH are calibrated together. When selecting Current, the single range selected at the set CH is calibrated. Teledyne Analytical Instruments 11

14 Quickstart Guide 6. To close the calibration screen or abort midway, press ESC. Enabling Auto Calibration: Here you can set which components are automatically calibrated. It is assumed that for the procedures listed in this Quickstart Guide, Auto Calibration is disabled and calibration is performed manually. To make sure of the correct setting: 1. Press the MODE key to display the User mode. 2. Point the cursor to Setting about Calibration using the UP or DOWN key. Press the ENT key. 3. In the next screen, point the cursor to Auto Calibration Components using the UP or DOWN key. Press the ENT key. 4. In the next screen, move the cursor to the CH you want to set using the UP or DOWN key. Press the ENT key. 5. In the Auto Calibration Selection screen that appears, select enable or disable by pressing the UP or DOWN key. For the Quickstart procedure, make sure all components are set to DISABLE. After setting, press the ENT key. Enable will allow that channel to be calibrated using the Auto Calibration feature. 6. To close the auto calibration screen or abort midway, press ESC to return to a previous menu. Note: Any component set to enable will be calibrated to zero at once at the time of auto calibration regardless of setting chosen in Manual Zero Individually or At Once. To setup and use the Auto Calibration feature, refer to the Instruction manual shipped with your instrument. Setting Alarms Prior to using the analyzer, you should set the alarm upper and lower limit values to provide an alarm output during measurement.. High/low alarms are available for each channel. The setting range is 0-100% full scale for each range. 1. Press the MODE key to display the User mode. 2. Point the cursor to Alarm Setting using the UP or DOWN key, then press the ENT key. Teledyne Analytical Instruments 12

15 Model 7500 Quickstart Guide 3. At the next screen, select the desired CH and press the ENT key. 4. At the next screen, use the UP or DOWN keys until the cursor is aligned with the alarm you want to set or adjust. Then press the ENT key. Note: Before changing the alarm setting, set the ON/OFF to OFF Note: Set the values so that upper limit value > lower limit value and that (upper limit value - lower limit value) > hysteresis error. (Refer to the Instruction Manual for setting or displaying the hysteresis error.) 5. Move the cursor to the item to adjust or set and use the UP or DOWN key to increase or decrease the alarm setpoint value. Move to the next digit by pressing the SIDE key. When the correct alarm setpoint is shown, save the entry by pressing the ENT key. Upper limit value: Lower limit value: ON/OFF: sets the upper limit value (concentration) of alarm. sets the lower limit value (concentration) of alarm. enables the alarm function when set to ON, or disables the alarm function when set to OFF. Note: The upper limit value cannot be set below the lower limit value, and the lower limit value cannot be set above the upper limit value. If it is desired to set the upper limit value below the lower limit value already stored in the memory, reduce the lower limit value first. 6. Use the ESC key to leave the Alarm Setting screen and return to the previous screen. Calibration Zero Calibration: 1. Make sure an appropriate zero gas is properly connected to your analyzer. (Refer back to Gas Connections if necessary). 2. Press the ZERO key to display the Manual Zero Calibration screen. Teledyne Analytical Instruments 13

16 Quickstart Guide 3. Select the CH (component) to be calibrated by pressing the UP or DOWN key. Then press the ENT key to initiate zero gas flow to the analyzer. Note: For all components that were set to at once in the Zero Calibration setting, the zero calibration will be carried out simultaneously. 4. After the display has stabilized (this may take a few moments), press the ENT key. Zero calibration in the range(s) indicated by the cursor will be performed. 5. To close the Zero Calibration or cancel this mode midway, press the ESC key to return to the previous screen. Span Calibration: 1. For span calibrating the CO 2, CO, CH 4, SO 2 and built-in paramagnetic O 2 sensor channels, use a standard gas with a concentration of 90% or more on the anticipated range. For an external zirconia O 2 sensor, use a standard gas of about 2 vol%. 2. Press the SPAN key to display the Manual Span Calibration screen. 3. Select the component to be calibrated by pressing the UP or DOWN keys. Then press the ENT key to initiate span gas flow to the analyzer.. Note: If the range to calibrate on has been set to both, span calibration is performed together on the 2 Ranges. 4. After the display has stabilized (this may take a few moments), press the ENT key. Span calibration on the component and range(s) indicated by the cursor will be performed. 5. To close the Span Calibration or cancel this mode midway, press the ESC key to return to the previous screen. Measurement Mode After calibration the Model 7500 will return to the Measurement mode and the instrument is now ready for operation. Teledyne Analytical Instruments 14