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PART THREE - OPERATION

SECTION 8 - HART OPTION

Rev. 2-300

Accu4™ Low-range Turbidimeter System

75

8.5 HART Preferences

Setup

Changing

Polling Address

Viewing Number of

Required Preambles

Use a hand-held HART terminal or HART-capable PC to set
HART preference information. When using a Model 275
HART Communicator to access preference menus, select
the “GLI SETUP” line in the MAIN MENU screen and press
the

key

to reveal this screen:

M33/53C: GLI
GLI SETUP

1 HART INFO

sdd sdsdsds

2 DEVICE INFO
3 MASTER RESET

SAVE HOME

Use the “HART INFO” submenu to:

•

Change the polling address used by the master to

identify a device (analyzer).

•

View the number of preambles required by a device

(analyzer) from the master.

1.

With the “GLI SETUP” top-level menu screen dis-
played, select the “HART INFO” line and press

key

.

2.

With the “HART INFO” submenu screen displayed, se-
lect the “Poll addr” line and press the

key

to display

its related screen.

3.

Assign a polling address of “0” for one analyzer in a
point-to-point configuration, or 1 through 15 for two or
more analyzers in a multi-drop configuration. Use the
alphanumeric keys to directly select the number, or the
arrow keys to adjust the number digit by digit.

4.

Press the

F4 key

to enter the polling address, and the

F2 key

to send the polling address to the analyzer.

The “Num req preams” information screen shows the num-
ber of preambles required by the analyzer from the master.

1.

With the “GLI SETUP” top-level menu screen dis-
played, select the “HART INFO” line and press

key

.

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Содержание Accu4

Страница 1: ...ide Headquarters and Sales GLI International Inc 9020 West Dean Road Milwaukee Wisconsin 53224 U S A Represented By In the interest of improving and updating its equipment GLI reserves the right to alter specifications to equipment at any time A company Viridor Instrumentation Phone Fax E mail Web 414 355 3601 414 355 8346 info gliint com www gliint com ...

Страница 2: ...Accu4 Low range Turbidimeter System Rev 2 300 2 ...

Страница 3: ...e condition is likely when 1 The analyzer appears visibly damaged 2 The analyzer fails to operate properly or provide the intended measurements 3 The analyzer has been stored for long periods at temperatures above 158 F 70 C This measurement system must be installed by specially trained personnel in accordance with relevant local codes and instructions contained in this operating instruction manua...

Страница 4: ...ranty period or if GLI International determines that defects or damages are due to normal wear misapplication lack of maintenance abuse improper installation alteration or abnormal conditions GLI International s obligation under this warranty shall be limited to at its option replacement or repair of this product The product must be returned to GLI International freight prepaid for examination The...

Страница 5: ...n TB1 Terminal 20 on TB1 Black Terminal 21 on TB1 Terminal 21 on TB1 Orange Terminal 22 on TB1 Terminal 22 on TB1 2 CONNECTING LINE POWER Important Follow the instructions in Part Two Section 3 5 to connect line power to the analyzer 3 ADJUSTING DISPLAY CONTRAST Ambient lighting conditions may make it necessary to adjust display contrast to improve visibility With the MEASURE screen displayed pres...

Страница 6: ...Accu4 Low range Turbidimeter System Rev 2 300 6 ...

Страница 7: ...bing Connections 22 2 4 Analyzer Location 23 2 5 Analyzer Mounting 23 24 2 6 Sensor and Analyzer Conduit Hole Requirements 24 SECTION 3 ELECTRICAL CONNECTIONS 3 1 GLI Model 8320 Low range Turbidity Sensor 25 27 3 2 Analog Outputs 28 3 3 Relay Outputs 28 29 3 4 Closed Contact TTL Input 29 3 5 Line Power 30 31 P A R T T H R E E O P E R A T I O N SECTION 1 USER INTERFACE 1 1 Display 32 1 2 Keypad 32 ...

Страница 8: ...ture enabled or disabled 48 4 6 Configuration Settings Summary ranges choices and defaults 49 SECTION 5 CALIBRATING THE ANALYZER 5 1 Things to Know About Calibration 50 51 5 2 PRIMARY CAL Method requires formazin suspension Preparing Formazin Solution 51 52 Filling Sensor 52 54 Entering Value 54 Resuming Operation 54 55 5 3 CUBE CAL Method requires optional Cal CubeTM assembly Inserting Cal CubeTM...

Страница 9: ...ing Address 75 Viewing Number of Required Preambles 75 76 8 6 Device Preferences Setup Viewing Final Assembly Number 76 Viewing Model Number 76 77 Viewing Manufacturer 77 Assigning a Tag 77 Assigning a Descriptor 78 Assigning a Message 78 Assigning User defined Date 78 79 Viewing Identification ID 79 Viewing Revisions 79 8 7 Master Reset Function 80 8 8 Refresh Function 80 8 9 Protocol Command Set...

Страница 10: ...6 2 2 Keeping Sensor Flow Chamber Clean 87 2 3 Keeping System Calibrated 87 2 4 Avoiding Electrical Interference 87 SECTION 3 TROUBLESHOOTING 3 1 System Diagnostic Condition Messages 88 3 2 Isolating the Problem Checking Electrical Connections 89 Checking Operation Using System Diagnostics 89 SECTION 4 ANALYZER REPAIR RETURN 4 1 Customer Assistance 90 4 2 Repair Return Policy 90 P A R T F I V E S ...

Страница 11: ...romechanical Relay s 29 Figure 2 13 Connecting 115 V Single Phase to Analyzers with B Prefix Serial Number 30 Figure 2 14 Connecting 115 V Single Phase to Analyzers with No Letter Prefix Serial Number 30 Figure 2 15 Connecting 230 V Single Phase to Analyzers with B Prefix Serial Number 31 Figure 2 16 Connecting 230 V Single Phase to Analyzers with No Letter Prefix Serial Number 31 Figure 2 17 Conn...

Страница 12: ...Accu4 Low range Turbidimeter System Rev 2 300 12 ...

Страница 13: ...idity decreases To further ensure high measuring accuracy the Model 8320 sensor eliminates air or gas bubbles in the sample with its built in bubble trap The system is ideal for critical monitor ing and controlling applications including potable water filtered water and final product clarity With the display in the normal MEASURE screen mode the measured turbidity is always shown on the main middl...

Страница 14: ...s Each relay can be set to function as a CONTROL ALARM dual alarm or STATUS relay CONTROL and ALARM relays operate in response to the measured turbid ity STATUS relays operate only in response to selected system diagnostic conditions NOTE Relay D is factory set to function as a STATUS re lay but can be configured as a CONTROL or ALARM relay When a relay is set to function as a STATUS relay it be c...

Страница 15: ...emain active to respond to measured turbidity For complete relay setup details including transfer setup see Part Three Sec tion 4 4 The modular construction of the analyzer simplifies field servicing and provides electrical safety The front door keypad assembly and the sensor use voltages no greater than 24 VDC and are completely safe to handle Opening the analyzer door accesses terminals inside t...

Страница 16: ... to provide protection from most normally encountered electromagnetic interference This protection exceeds U S standards and meets European IEC 801 series testing for electromagnetic and radio fre quency emissions and susceptibility Refer to Figure 1 1 and the specifications in Section 2 2 for more information FIGURE 1 1 EMI RFI Immunity Diagram ...

Страница 17: ...ter rinse wipe surfaces Enclosure Standard Sensor Design NEMA 4X CSA type 4 IP65 molded and fiberglass reinforced polyester flame retardant with four integral tabs for surface mounting High Pressure Design NEMA 4X CSA type 4 IP65 PPO struc tural foam V 0 flammability rating per U L 94 test with four integral tabs for surface mounting Mounting Configurations Surface or pipe mount Net Weight 10 lbs ...

Страница 18: ...ine the endpoints at which the minimum and maxi mum mA output values are desired During calibration both outputs can be selected to hold their present values transfer to preset val ues to operate control elements by an amount corresponding to those values or remain active to respond to the measured turbidity Communication RS 232 Enables configuration and retrieval of measured data for one analyzer...

Страница 19: ...g damage If there is any evi dence of damage notify the transit carrier immediately SECTION 2 2 1 Sensor Location Locate the Model 8320 turbidity sensor indoors or outdoors within 30 ft 9 m of where the Model T53 analyzer is to be installed The sensor may be installed in an in line process configuration using a closed loop piping arrangement Fig ure 2 1 or in a sample bypass line configuration usi...

Страница 20: ...oused in a different enclosure Figure 2 4 In either case vertically orient the sensor inlet fitting at bottom and surface mount it where there is little or no mechanical vibration Use 1 4 inch screws to fasten the en closure onto a flat surface The sensor may be mounted onto a vertical or horizontal 1 1 2 inch or 2 inch diameter pipe using an optional GLI pipe mount kit Refer to Part Five Spare Pa...

Страница 21: ... Accu4 Low range Turbidimeter System 21 Note Dimensions shown in inches mm FIGURE 2 3 Standard Design Model 8320 Sensor Installation Dimension Details Note Dimensions shown in inches mm FIGURE 2 4 High Pressure Design Model 8320 Sensor Installation Dimension Details ...

Страница 22: ...e or other liquid sealants Recommendation Use ball valves V1 designa tions in Figure 2 1 and 2 2 to conveniently isolate the sensor when calibrating or removing the sensor In a closed loop piping arrangement Figure 2 1 3 way valves V2 designations are required to con veniently drain the flow chamber during calibration A bypass line piping arrangement Figure 2 2 only requires one 3 way valve CAUTIO...

Страница 23: ... location that is Clean and dry where there is little or no vibration Protected from corrosive fluids Within ambient temperature limits 4 to 140 F or 20 to 60 C CAUTION EXPOSING THE ANALYZER TO DIRECT SUNLIGHT MAY INCREASE THE OPERATING TEMPERATURE ABOVE ITS SPECIFIED LIMIT Figure 2 6 illustrates various ways to mount the analyzer using the supplied bracket and hardware Determine the mounting meth...

Страница 24: ... inch grounded metal conduits If using only shielded cables appropriate strain reliefs or cable grips are required GLI sells accessory cable grips part number 3H1091 and watertight locknuts part number 3H1230 for cable entries Seal unused cable entry holes with appropri ate plugs NOTE Use NEMA 4 CSA type 4 IP65 rated fittings and plugs to maintain the watertight integrity of the NEMA 4X sensor and...

Страница 25: ... chassis 2 Use Steward ferrite 28 B0590 000 or equivalent on the sensor cable two turns required 3 In harsh conducted RF conditions connect the earth ground of the analyzer to a local known earth ground source NOTE For ease of wiring route line power and relay out puts through the back conduit holes and use the front conduit holes for all other wiring The Model 8320 sensor is supplied with LED lig...

Страница 26: ...60 Hz 90 130 VAC 180 260 VAC TURBIDITY ANALYZER RS 232 2 3 4 5 6 7 OUTPUT 1 HART OUTPUT 2 4 20 mA WHITE 21 8 9 22 10 19 20 16 18 TURBIDITY INTERCONNECT BLACK GND GND ORANGE TTL GRAY YELLOW BLUE TB1 13 14 15 12 GREEN VIOLET RED BROWN TX RX FIGURE 2 8 Terminal Block Designations for Analyzers with B Prefix Serial Number 7 7 785 7 6 1625 22 83 6 5 9 2 7 5 1 7 2 6 52 1 5 8 25 1 FIGURE 2 9 Terminal Blo...

Страница 27: ...o appropriate terminals on TB1 matching colors as indicated WHITE 21 22 19 20 16 18 TURBIDITY INTERCONNECT BLACK ORANGE GRAY YELLOW BLUE TB1 13 14 15 12 GREEN VIOLET RED BROWN FIGURE 2 10 Connecting Model 8320 Low range Turbidity Sensor to Analyzers with B Prefix Serial Number FIGURE 2 11 Connecting Model 8320 Low range Turbidity Sensor to Analyzers with No Letter Prefix Serial Number ...

Страница 28: ...can drive a load of up to 600 ohms Output 1 Connect the load to Terminals 2 and 3 on TB1 matching polarity as indicated Output 2 Connect the load to Terminals 4 and 5 on TB1 matching polarity as indicated NOTE When using the HART communication option a digital signal is encoded onto the 4 20 mA analog Output 1 signal In a HART SINGLE MODE wiring configuration Output 1 remains available for normal ...

Страница 29: ...ring arrangement Always check control wiring to insure that line power will not be shorted by the relay switching action and that wiring conforms to local codes WARNING MAKE SURE THAT LINE POWER IS NOT PRESENT WHILE CONNECTING WIRES TO TB2 RELAY TERMINALS FIGURE 2 12 Connecting Control Alarm Device s to Electromechanical Relay s The closed contact TTL input feature of the analyzer en ables you to ...

Страница 30: ...E PROPER ANALYZER OPERATION NOTE In all cases connect the line power cable ground wire usually green to The grounding strip at bottom of case 5 open holes Figures 2 13 2 15 or 2 17 for analyz ers with B prefix serial number The ground symbol Terminal 1 on TB3 Figures 2 14 2 16 or 2 18 for analyzers with no letter prefix serial number The 115 and 230 voltage circuits are protected with in ternal bo...

Страница 31: ...ng 230 V Single Phase to Analyzers with B Prefix Serial Number N 115 230 2 3 4 FIGURE 2 17 Connecting 230 V Split Phase to Analyzers with B Prefix Serial Number FIGURE 2 16 Connecting 230 V Single Phase to Analyzers with No Letter Prefix Serial Number FIGURE 2 18 Connecting 230 V Split Phase to Analyzers with No Letter Prefix Serial Number ...

Страница 32: ...ate changes When a relay overfeed timer is used and it has timed out the respective relay annunciator continu ously blinks until the overfeed condition is resolved MENU screens to move within the three main branches of the analyzer menu tree enabling access to edit selection screens EXIT screens indicate the end of a menu branch and enable you by pressing the ENTER key to move up one level in the ...

Страница 33: ...e pro cedure to change a value or selection 4 Õ Õ and Ö Ö keys Depending on the type of displayed screen these keys do the following MEASURE Screen These keys are non functional Menu Screens These keys are non functional Edit Selection Screens Coarse adjusts the displayed numerical value 5 and Ø Ø keys Depending on the type of displayed screen these keys do the following MEASURE Screen Changes the...

Страница 34: ... then the ESC key once When viewing the MEASURE screen you can press the Ø Ø or keys to select between other measurements shown on the bottom auxiliary display line These MEASURE screen examples illustrate this feature NOTE When the analyzer returns to its normal MEASURE screen mode the appearing MEASURE screen is always the version last selected Note that these MEASURE screen examples show BASIN ...

Страница 35: ...n branch are or ganized with the most frequently used functions at their beginning rather than the functions used for initial startup Press the MENU key to always display this main branch selection screen 21 85 7 67 0 17 7 1 After displaying the main branch selection screen use the Ø Ø and keys to select the line corresponding to the desired branch shown in reverse video 2 Press the ENTER key to d...

Страница 36: ... and therefore is not available 1 After displaying the top level menu screen use the Ø Ø and keys to select the line corresponding to the desired lower level submenu screen 2 Press the ENTER key to display the submenu screen When a submenu or sub submenu screen contains a first line ending with a it is an edit selection screen Pressing the Ø Ø or key changes the value choice enclosed by pa renthes...

Страница 37: ...NTER key to enter store it into the non volatile analyzer memory The previous screen will then re appear NOTE You can always press the ESC key to abort saving a new setting The original setting will be retained SECTION 3 Ambient lighting conditions may make it necessary to adjust the analyzer display contrast to improve visibility With the MEASURE screen displayed press and hold the ENTER key and ...

Страница 38: ...0 17 7 Use Ø Ø key to select the CONFIGURE line 2 Press ENTER key to display Use Ø Økey to select the LANGUAGE line 3 Press ENTER key to display a screen like Use Ø Ø and keys to view the lan guage choices 4 With the desired language displayed press ENTER key to enter this selection NOTE After a language is selected and entered all screens will be displayed in that language You may want to configu...

Страница 39: ...ed choice displayed value press ENTER key to enter this selection A time constant in seconds can be set to filter or smooth out the sensor signal A minimum value of 0 seconds has no smoothing effect A maximum value of 60 seconds pro vides maximum smoothing Deciding what sensor signal filter time to use is a compromise The higher the filter time the longer the sensor signal response time will be to...

Страница 40: ...reading 1 With the screen displayed use Ø Ø key to select the PULSE SUPPRESS line 2 Press ENTER key to display a screen like Use Ø Ø and keys to view both choices OFF or ON 3 With the desired choice displayed press ENTER key to enter this selection The MEASURE screen top line is factory set to read ACCU4 This notation can be changed for example to BASIN 1 to tailor the MEASURE screen to the applic...

Страница 41: ...ed before the outputs return to active status If the outputs are set to XFER or ACTIVE during a calibration they remain in that state until after cali bration regardless of the TTL input status NOTE When using the HART communication option a digital signal is encoded onto the 4 20 mA analog Output 1 signal In a HART SINGLE MODE wiring configuration Output 1 remains available for normal use However...

Страница 42: ... ENTER key to enter the value NOTE If the same values are set for 0 4 mA and 20 mA the output automatically goes to and remains at 20 mA Normally each analog output is active responding to the measured turbidity value During calibration however you can transfer XFER each output to a preset value to oper ate a control element by an amount corresponding to that value If you desire to set a milliamp ...

Страница 43: ...d turbidity NOTE The output filter time setting combines with the sen sor signal filter time setting providing an additive delay in output response to the actual reading 1 With the screen displayed use Ø Ø key to select the SET FILTER line 2 Press ENTER key to display a screen like 3 Adjust the displayed value to the desired filter time and press ENTER key to enter it Use Ö Ö and Õ Õ keys for coar...

Страница 44: ...y or remotely connecting both TTL input terminals on TB1 If a TEST MAINT hold is applied in addition to a TTL hold both holds must be removed before CONTROL and ALARM relays return to active status If the relays are set to XFER or ACTIVE during a calibration they remain in that state until after calibration regardless of the TTL input status These instructions configure Relay A Configure other rel...

Страница 45: ...ZER FAIL SOURCE 2 FAIL CHAMBER DIRTY DETECT 1 FAIL CHAMBER UNKNOWN DETECT 2 FAIL SOURCE 1 FAIL To determine the condition causing the warning message display the STATUS screens in the TEST MAINT menu branch For more details see Part Three Section 6 1 Relay D is factory set to function as a STATUS relay but can be configured as a CONTROL or ALARM relay 1 With the screen displayed press ESC key once...

Страница 46: ... function mode Table A describes relay configuration settings categorized by function mode Table A RELAY CONFIGURATION SETTINGS Setting Description For ALARM Relay Low Alarm Sets the value at which the relay will turn on in response to decreasing measured value High Alarm Sets the value at which the relay will turn on in response to increasing measured value Low Deadband Sets the range in which th...

Страница 47: ... when there is a FAIL condition analyzer light source or detector or a sensor CHAMBER UNKNOWN condition Warn Sets the relay to turn on only when there is a sensor flow CHAMBER DIRTY condition All Sets the relay to turn on when there is any abnormal system condition any FAIL condition or sensor flow CHAMBER DIRTY or UNKNOWN condition NOTE Also it is possible to enter values that always keep a relay...

Страница 48: ...ngs can be displayed but they cannot be changed and the analyzer cannot be calibrated When you attempt to change a setting by pressing the ENTER key a displayed notification requests passcode entry A valid passcode entry saves the changed setting and returns the display to the MAIN MENU branch selection screen An incorrect passcode entry causes the display to momentarily show an error notification...

Страница 49: ... 0 mA or 4 mA Outputs 1 and 2 4 mA RELAY Configuration Settings Settings Common To ALARM and CONTROL Relays SET FUNCTION ALARM CONTROL or STATUS Relays A and B ALARM Relay C STATUS WARN Relay D STATUS FAIL SET TRANSFER DE ENERGIZED or ENERGIZED Relays A and B DE ENERGIZED OFF DELAY 0 300 seconds 0 seconds ON DELAY 0 300 seconds 0 seconds Settings For ALARM Relays Only LOW ALARM 0 000 100 0 NTU 0 0...

Страница 50: ...r complete details NOTE The sensor is equipped with long lasting light sources and detectors If these components are eventually replaced always re calibrate the system using the appropriate method to ensure measure ment accuracy Also re calibrate if the cable length between sensor and analyzer changes The mA value for each analog output can also be calibrated Section 5 5 NOTE When the passcode fea...

Страница 51: ...s you to first fill the sensor flow chamber with a primary standard formazin suspen sion and then enter its known value Since formazin is the recommended primary standard it is used in the instruc tions for this method Prepare 2000 milliliters of 20 NTU or higher formazin sus pension USEPA requires 40 NTU to comply with GLI Method 2 using the following laboratory procedure 1 Make the dilution wate...

Страница 52: ...uspension Use filtered dilu tion water to dilute 10 ml of 4000 NTU stock suspension to 2000 ml 40 NTU Standard Suspension Use filtered dilu tion water to dilute 20 ml of 4000 NTU stock suspension to 2000 ml Calibration Tip Use only freshly prepared properly stored and carefully measured formazin suspension Formazin tends to flocculate over time causing inaccu rate readings Formazin suspensions mus...

Страница 53: ...downstream of the sensor OUTLET open the valve to atmospheric pressure to improve draining 4 Drain any remaining process from the sensor by removing the funnel from its holder and lowering it below the sensor height When drained replace funnel into holder 5 Remove the baffle assembly from the flow chamber and rinse it with clean water 6 Clean the inside of the flow chamber and the light source and...

Страница 54: ... stabilize which may take up to 15 minutes Then press ENTER key The PLEASE WAIT screen may appear if the reading is still too un stable After the reading has stabilized this static screen appears showing the last entered calibration value 3 Use and Ø Ø keys to adjust this displayed value to exactly match the known NTU value of the primary standard formazin suspension 4 Press ENTER key to enter the...

Страница 55: ...ptional GLI Cal CubeTM assembly into the sensor flow chamber and then enter its known value This unique turbid glass cube has a factory certified 100 reproducible NTU calibration value that is not affected by light temperature or aging 1 Recommendation Before inserting the Cal CubeTM assembly into the sensor hold the analyzer analog out puts at their present values or transfer them to preset value...

Страница 56: ...wering it below the sensor height When drained replace funnel into holder 5 Remove the flow chamber cover and baffle assembly from the Model 8320 sensor flow chamber Refer to Figure 4 1 standard sensor design or Figure 4 2 high pressure sensor design for assembly details 6 Wipe away all moisture from inside the chamber with a clean dry soft cloth 7 Wipe the light source and detector windows clean ...

Страница 57: ...ration 1 Remove the Cal CubeTM assembly re install the baffle assembly and replace the flow chamber cover Make sure the cover O ring is well lubricated with the sup plied silicone lubricant If not the cover may be difficult to remove the next time 2 Turn the sensor s 3 way valve handle to the OPERATE position as shown by the label at the base of the flow chamber Ö Öpoints towards INLET fitting 3 P...

Страница 58: ...TS Holds their present mA values XFER OUTPUTS Transfers to preset mA values ACTIVE OUTPUTS Responds to measured turbidity 5 With the desired choice displayed press ENTER key to enter this selection 6 With the screen displayed and the process flowing through the sensor press ENTER key to confirm This active screen appears showing the measurement reading 7 Wait for the reading to stabilize which may...

Страница 59: ...tive states MEASURE screen appears This completes SAMPLE CAL calibration The analyzer analog outputs are factory calibrated How ever they can be re calibrated at any time if desired This procedure calibrates Output 1 Calibrate Output 2 in the same way using its respective menu screens NOTE When the passcode feature is enabled Section 4 5 you must successfully enter the passcode before attempting t...

Страница 60: ...nimum value to read exactly 4 00 mA on the digital multimeter not the analyzer display 8 Press ENTER key to complete calibration of the minimum endpoint value 9 After the screen re appears use Ø Ø key to select the CAL OUT 1 20 mA line and press ENTER key to display a screen like Once again the displayed value is counts not mA that dynamically change when the output is adjusted 10 Use a calibrated...

Страница 61: ...y analyzer EPROM version Simulate a measured turbidity signal to exercise the measurement loop Reset all configuration values to factory set defaults The system diagnostic capabilities of the analyzer enable you to check the operating status of the analyzer sensor and relays The MEASURE screen will flash the WARNING CHECK STATUS message when an abnormal system di agnostic condition has been detect...

Страница 62: ... or detector Inoperative due to bad signal processing module 5 With the STATUS SENSOR screen displayed press ENTER key once to view the STATUS SOURCE 1 screen Press ENTER key again to view the STATUS SOURCE 2 screen Source status indications can be OK LED light source is operating properly FAIL LED light source may be disconnected in correctly wired or inoperative See Part Four Section 1 3 for rep...

Страница 63: ...OTE TIMEOUT only applies to control relays COUNTING Relay energized annunciator is on Control Relay Overfeed timer is counting but has not timed out NOTE COUNTING only applies to control relays 8 To end status checking press ESC or ENTER key The Accu4 system has a convenient feature to easily check calibration at any time and to hold the analog outputs 1 and 2 at their present values suspending op...

Страница 64: ...ry soft cloth F Note the factory certified value on the Cal Cube assembly and insert the cube into the sensor in place of the baffle assembly Without replacing the flow chamber cover close sensor enclosure door 4 If the reading is within 10 of the Cal Cube value the system is in calibration If not re calibrate see Part Three Section 5 2 5 3 or 5 4 for details 5 After checking calibration remove th...

Страница 65: ...ER key to display OVERFEED RESET screen 3 Press ENTER key again to reset all relay overfeed tim ers at once OVERFEED RESET DONE screen appears acknowledging reset has occurred 4 To return to the TEST MAINT top level menu screen press ESC or ENTER key The analyzer can provide analog output test signals of a desired mA value to confirm operation of connected de vices This procedure provides an Outpu...

Страница 66: ...ure tests Relay A Test other relays in the same way using their respective menu screens 1 With the screen displayed use Ø Ø key to select the RELAY A line 2 Press ENTER key to display Relay A should be energized Confirm this by checking the NO and NC relay output terminals with a continuity meter 3 Press or Ø Økey once to display Relay A should now be de energized Confirm this by checking the NO a...

Страница 67: ...ect the EPROM VERSION line 2 Press ENTER key to view the EPROM version screen 3 To return to the TEST MAINT top level menu screen press ESC or ENTER key You can simulate a measured turbidity value to make the relays and analog outputs respond accordingly 1 With the screen displayed use Ø Ø key to select the SIM SENSOR line 2 Press ENTER key to display a screen like NOTE The value shown on this scr...

Страница 68: ...stored configuration settings including calibration settings simultaneously to factory set defaults 1 With the screen displayed use Ø Ø key to select the RESET DEFAULTS line 2 Press ENTER key to display the RESET DEFAULTS ARE YOU SURE screen asking if you really intend to perform this extreme action If you want to abort this action press ESC key now 3 Press ENTER key to reset all stored configurat...

Страница 69: ... process Also the control element itself could be damaged due to excessive continuous or unusual op eration such as a pump that is running dry The useful overfeed timer prevents undesirable conditions like these from happening It restricts how long the relay and its con nected control element will remain on regardless of conditions To set a relay overfeed timer use its respective configura tion me...

Страница 70: ...ed timer was counting Overfeed timer automatically resets After you change the off relay back to on the overfeed timer starts its count down until it turns the relay off or the timer automatically resets On relay is transferred to off Overfeed timer was timed out again when the measured value or a value you simulate causes the relay to turn off Manually Testing Relay Operation using TEST MAINTENAN...

Страница 71: ... can also communi cate with a GLI HART equipped analyzer with limited operability using HART Protocol Universal Commands and or Common Practice Commands The hand held terminal or PC must be connected to the analyzer 4 20 mA analog Output 1 signal anywhere along the wiring circuit See subsections 8 3 or 8 4 for more details HART Information Reference Listings To obtain complete information on the H...

Страница 72: ... a tag descriptor message and date field for example to show last cali bration date Acquire device information such as analyzer model number identification number distributor etc Acquire HART information including polling address and number of required preambles Your HART equipped smart GLI analyzer can also be se lected to operate in an all digital MULTI DROP mode This enables you to connect up t...

Страница 73: ...se To set the analyzer operating mode for the HART network locate the SINGLE MODE MULTI DROP switch Figure 3 2 and set the switch to the desired mode SM left position for SINGLE MODE MD right position for MULTI DROP mode FIGURE 3 2 Location of SINGLE MODE MULTI DROP Switch Hart equipped analyzers only When the GLI analyzer is set to operate the HART network in the SINGLE Point to Point MODE the ma...

Страница 74: ... non zero polling address causing its Output 1 to automatically provide a constant 4 mA signal Each analyzer s analog OUTPUT 2 how ever remains available for normal use 1 Make sure the SINGLE MODE MULTI DROP switch of each analyzer is set to the MD right position 2 Refer to Figure 3 4 and connect the 4 20 mA analog Output 1 signal of each analyzer up to 15 in parallel on one cable matching polarit...

Страница 75: ...es required by a device analyzer from the master 1 With the GLI SETUP top level menu screen dis played select the HART INFO line and press key 2 With the HART INFO submenu screen displayed se lect the Poll addr line and press the key to display its related screen 3 Assign a polling address of 0 for one analyzer in a point to point configuration or 1 through 15 for two or more analyzers in a multi ...

Страница 76: ...ufacturer name of a device Assign a tag associating a device with its installation Assign a descriptor that is associated to a device Assign a message that is associated to a device Assign a user defined date View the identification number of a device View the revision number s of a device The Final asmbly num information screen shows the final assembly number of the analyzer 1 With the GLI SETUP ...

Страница 77: ...mation screen 3 Press the F4 key to return to the DEVICE INFO sub menu screen A tag is text that associates a device with its installation Though a tag can be used in any way there are several recommended uses For example the tag can be a unique label for a facility that corresponds to a device label such as a facility drawing or a control system The tag can also be used as a type of data link lay...

Страница 78: ...d the descriptor to the analyzer A message is text that is associated to a device It can be used in any imaginable way 1 With the GLI SETUP top level menu screen dis played select DEVICE INFO line and press key 2 With the DEVICE INFO submenu screen displayed select the Message line and press the key to dis play its related screen 3 Assign a message Use the alphanumeric keys to di rectly create the...

Страница 79: ...n 3 Press the F4 key to return to the DEVICE INFO sub menu screen The DEVICE REVISION line enables access to three revi sion level information screens Universal Rev Revision of the universal device de scription that the analyzer conforms to Fld Device Rev Revision of the analyzer specific de scription that the analyzer conforms to Software Rev Revision of the software firmware that is embedded in ...

Страница 80: ...nables you to initiate HART to re synchronize the master to the analyzer in case changes made at the analyzer are not reflected by the hand held terminal NOTE Since HART only performs housekeeping tasks upon initialization the REFRESH function need only be performed once However it may be used anytime thereafter to refresh the variables in the master 1 With the MAIN MENU top level menu screen dis ...

Страница 81: ...e its four tabs and lift it straight off the chamber NOTE For high pressure design sensor Figure 4 2 remove flow chamber cover lockring and win dow by unscrewing lockring counterclockwise 3 Remove the baffle assembly It is keyed with a slot and guide rib on its left side to fit only one way in the flow chamber NOTE The high pressure design sensor uses the same baffle assembly but this assembly is ...

Страница 82: ...g the cover or lockring If not the cover may be difficult to remove next time Recommendation When not in use properly store the Cal CubeTM assembly inside its protective box in a cool dry place If dirt or dust accumulates on the glass cube do not touch its surface with your fingers Finger oil will change its certified value Dip the cube assembly in isopropyl alcohol to remove dust and finger oil U...

Страница 83: ... lockring and window by unscrewing the lockring counter clockwise 3 Remove the black retainer clip from its slot in the flow chamber 4 Extract the inoperative light source or detector from its receptacle NOTE Extraction may be difficult because light sources and detectors have double O ring seals To ease removal grasp the component by hand and twist it back and forth while extracting it 5 Disconne...

Страница 84: ...window and lock ring NOTE Make sure the cover O ring is well lubricated with the supplied lubricant and properly seated before tightening the cover or lockring If not the cover may be difficult to remove next time Figure 4 3 Turbidity Sensor Terminal Block Designations After replacing any light source s or detector s always re calibrate the measurement system using the appropriate method Refer to ...

Страница 85: ...nt GLI fuse kit part number is 1000G3315 101 3 Reconnect line power and close the analyzer door The analyzer relays are soldered into a complex multi layered circuit board To avoid the possibility of damaging this board while attempting to replace a relay Simply return the complete analyzer to the GLI Cus tomer Service Dept or your local factory authorized service organization for relay replacemen...

Страница 86: ... from the Model 8320 turbidity sensor To do this 1 Maintain the flow rate through the sensor within its specified limits 0 05 to 7 GPM 2 Install a flow restrictor into the sensor outlet line and adjust it until flow is slightly reduced 3 Close the 3 way valve to stop flow through the sensor 4 Drain the flow chamber using the 3 way valve and cali bration funnel 5 Slowly open the 3 way valve to allo...

Страница 87: ... chamber OK Check the other status screens to determine the condition causing the warning message Depending on the circumstances of the application periodi cally verify system calibration to maintain measurement accuracy Maintenance Tip Upon startup frequently check the system until operating experience can determine the optimum time between calibrations that provides ac ceptable measurement resul...

Страница 88: ...orrectly wired or sources or detectors are not operating properly Call GLI Customer Service Dept SOURCE 1 or 2 OK Light source is operating normally FAIL Light source is disconnected incorrectly wired or not operating properly Call GLI Customer Service Dept DETECT 1 or 2 OK Detector is operating normally FAIL Detector is disconnected incorrectly wired or not operating properly Call GLI Customer Se...

Страница 89: ... that line power exists at the appropriate analyzer TB3 terminals 2 Check all analyzer and sensor cable connections to en sure that they are correctly wired and securely tightened Use the system diagnostics capability STATUS screens in TEST MAINT menu branch to determine if the analyzer or sensor is inoperative Successfully calibrating the system usually confirms that the analyzer and sensor are o...

Страница 90: ... a m to 2 00 p m 5 30 a m to 1 00 p m All analyzers or sensors returned for repair or replacement must be freight prepaid and include the following informa tion 1 A clearly written description of the malfunction 2 Name of person to contact and the phone number where they can be reached 3 Proper return address for shipping analyzer s or sen sor s back Include preferred shipping method UPS Federal E...

Страница 91: ... Chamber Cover O ring 5H1288 Retainer Clip for Light Source or Detector 8220F1078 3 Way Valve for External Plumbing V2 in Fig 2 1 Valve with threads rated 0 50 psig 6H1185 Valve without threads rated 0 50 psig 6H1183 Optional Pipe mount Kit horizontal or vertical pipe 8320A1070 001 High Pressure Design Sensor Flow Chamber Cover Lock Ring 8220F1016 Flow Chamber Cover Window 8220A2F1017 Window Clip ...

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