Home

Sigma 980 Flow Meter User Manual

1. 1 Base CPU and 4 20 mA Circuit Boards 4 Voltage Isolation Barrier 7 High voltage wiring 2 Ribbon Cable Assembly 5 Pre wired RS 232 connector 8 Power Supply 3 Batteries 3 AA size 6 Low voltage wiring 2 5 1 N Connecting ac Power to the 980 Flow Meter DANGER When high voltage power is applied to the flow meter provisions must be made for disconnecting external power to the flow meter during servicing Note If power cords are allowed by local electrical code a 125 V UL CSA approved power cord with an approved NEMA style strain relief and a standard 115 V North American style plug Cat No 4630600 or a 280 V VDE approved power cord with an approved NEMA style strain relief and a Continental European style plug Cat No 4630800 can be ordered Page 28 Wiring the Controller For process or industrial applications the national electrical codes of most countries require that ac service feeds be hard wired and contained in conduit systems The 980 Flow Meter has been designed to conform to this requirement The manufacturer recommends conduit for two reasons 1 It is generally required by most local electrical codes and 2 Use of metal conduit can improve immu
2. Configure the Modbus server and or MMI to interpret the channel data being returned as 32 bit floating point Make a note of the Modbus message and then call Tech Support to have the Use either a protocol analyzer or a communications diagnostic program running on a PC to intercept and verify the Modbus response message from the 980 values If you re not sure how to do this conatct the server or MMI manufacturer for assistance Modbus Response Message validated Page 131 980Scada fm SCADA Modbus System Guidelines Visit http www bach com Appendix E 980 Quick Start Guides Table 42 Setup Menu MAIN MENU gt SETUP Review All Items Displays all program items no changes allowed Modify All Items Steps you through each program item same item as Modify Selected Items Select GPS GPM GPH LPS LPM LPH MGD AFD CFS CFM CFH CFD CMS CMM CMH or CMD Level Units Select FT IN M or CM Select Area Velocity Manning Equation None Level Only Weir Flume Nozzle Power Equation Head vs Flow Program Lock Modify Selected Site ID Enter Site 1 D id Sampler Pacing NE LL LLL LLLLLLLLLLLLLLLTILLLLILLA Velocity Direction Select Upstream normal Downstream or Always Positive Velocity Units Select fps or mps Velocity Cutoff Enter Velocity Cutoff Value Enter Velocity Default Value Enable Disable Modem Power Enter phone number Select dial method tone or pulse RS232 Set baud rate Flow Uni
3. Figure 18 Locating TB10 for Sampler Connections ON ON TB10 4 20 mA CH A CH A SHIELD CH B CH B SHIELD START EVENT BOTTLE PULSE EENEG 71 8 9 10 11 12 GROUND d e 6 0 0 6 6 6 6 6 6 4 SHIELD SAMPLER No Connection Page 38 Wiring the Sampler Installation2 fm Section 2 Table 8 Sampler Terminal Block Connections TB10 Signal Wire Burgose Description Color p Provides the ground line used in conjunction with the other signals on 2 common brown the connector flow pulse yellow Used in conjunction with common signal to notify that a pre determined 12 to 15 V dc output amount of flow has accumulated Received from a wastewater sampler and used in conjunction with the l l 0 to 5 V dc input 4 bottle number DS Event Input signal It tells the flow meter which bottle was used when a 10 K oh input J sample was taken Sample Times and Dates information will appear SH el in the data printout when downloaded to 5 V Received from a wastewater sampler and indicates that a sample has 0 to 5 V dc input 5 event input red been collected Sample Taken information will appear in the data 11 K ohm input printout when downloaded resistance 12 V dc max at 100 mA max open colle
4. 30 230 V ac connections A shock hazard can exist if low voltage lt 30 V connections are made in the relay connection area The alarm relays have unpowered contacts and the power to operate the load is supplied by the user Figure 16 shows a typical wiring configuration The wires are routed through the conduit hole and are connected to the circuit board Voltage range is 30 230 V ac 50 60 Hz The alarm relays can switch resistive loads of up to 5 A Table 6 Relay Terminal Block Connections J13 Signal Description Signal Description normally closed 1 normally closed 3 8 mmm 8 commonrelayS 3 rom o emalyoens 8 Im n commonreiay4 Page 35 Installation2 fm Wiring the Alarm Relays Section 2 Note Current to the relay contacts must be limited to 5 amps A means to remove power from the relays locally in case of an emergency or for servicing the product must be provided by the user This can be accomplished with an external switch and a 5 amp fuse or with a switched 5 amp circuit breaker Note Use NEMA approved conduit hubs Cat No 16483 to ensure that water and dust do not enter the enclosure Figure 16 ON ON 1 Appropriate strain relief or seal Page 36 Wiring the Alarm Relays No Connection With the power disconnected to the controller use a large flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Refer to Wiring Safety Informa
5. Figure 24 In Pipe Ultrasonic Sensor mem RTD Shield 2 18 A Wiring the Velocity Only Sensor 2 18 1 Bare Lead Sensor Cables Note Bare lead connections and Quick connections cannot be made at the same time Note The velocity only probe and the submerged AV probe cannot be connected at the same time Disconnect all bare lead connections or submerged AV quick connect connections to TB11 before connecting a velocity only bare lead connection To prevent dangling wires from touching the circuit nodes tape each individual wire then bundle the wires and tape them together Page 46 Wiring the Velocity Only Sensor Bare lead sensor cables are used when the cable will be run through a conduit When conduit is used it is recommended that the conduit be 1 in or larger Wiring Procedure 1 Disconnect all power to the 980 Refer to the Wiring Safety Information on page 27 Use a large flat blade screwdriver to loosen the two screws securing the 980 cover Open the cover Attach a NEMA approved conduit or compression fitting to one of the 1e in openings on the bottom of the instrument and route the velocity only cable wires through the opening Connect the bare leads to the proper screw terminal block TB11 as shown in Table 15 Installation2 fm Section 2 Table 15 Velocity Only Sensor Terminal Block Connections TB11 Sianal Descripti n Factory Wire Trimmed Cable g H Color Wire Color
6. The beam angle is half the band width at 10 dB The beam angle from the bottom of the ultrasonic sensor spreads out at an angle of 12 for the 75 kHz sensor as it travels away from the sensor Therefore if you mount the sensor too high above a narrow channel the beam may be wider than the channel when it reaches it This can cause false echoes from the tops of the channel walls rather than from the water surface To prevent false echoes determine the appropriate sensor height so that the entire beam falls within the channel and does not strike any obstructions To determine the appropriate sensor mounting height 1 Take the measurements described in Figure 32 2 Calculate the angle of obstruction from the axis DA 573D4 0 arcsin D D is accurate within one degree 2 3 Plotthe measurements on the graph in Figure 33 to determine if the beam width falls within the possible false echo or safe area Page 72 Downlook Ultrasonic Sensor Setup fm Section 4 Figure 32 Ultrasonic Sensor Beam Angle v v v by N A Measure for D NS Measure Ne SEES for D S IEEE Measure for D heelt Zero Flow Point This drawing is not to scale LE Lu EE Ed ds ded a d uli Figure 33 Choosing the Appropriate Sensor Height 100 100 10 3 1 Possible False Echo 0 1 OOOO O D2 0 1 D1 0 2 4 6 8 10 12 14 16 18 20 22 24 0 Angle of Obstruction from Axis Distance from Sensor to Obstruct
7. 11 00 AM 21 APR 01 SAMPLER PACING CHANGE ACCEPT UNITS SAMPLER PACING CLEAR 500 gal ENTRY CANCEL USE NUMERIC KEYPAD Step 7 Site ID Creates an 1 8 digit site identification number The site ID will appear on all data printouts This feature is useful when multiple sites are monitored using a single flow meter or if data readings from multiple flow meters are collected 7 A From the Modified All Items screen highlight Site ID using the UP and DOWN keys Press SELECT to continue 7 B Enter the site ID using the numeric keypad 7 C Press ACCEPT to continue to total flow units Page 57 BasicStartUp fm Basic Programming Section 3 Step 8 Total Flow Units 8 A From the Modify All Items screen highlight Total Flow Units using the UP and DOWN keys Press SELECT to continue 8 B Set the Total Flow Units using the CHANGE CHOICE soft key Total flow units of measure are used whenever a total flow unit is displayed or logged Refer to Table 24 Table 24 Total Flow Unit Choices O ls 8 C Press ACCEPT to continue with velocity direction Step 9 Velocity Direction only when logging velocity Page 58 Basic Programming 9 A From the Modify All Items screen highlight Velocity Direction using the up and down arrow soft keys Press the SELECT soft key to continue 9 B Set the Velocity Direction the CHANGE CHOICE key The Velocity Direction feature adapts to a number of difficult sites that would
8. 2 o 94 400540006 tw Fem ls 2 9 95 40074005 Fowt Fea sz 9 a Laser Table 35 Channels Units of Measure Read Holding Register Addresses Name f me Size bits of Registers Start Address Start Address Registers Temperature integer 16 tS Rainfall Integer 16 1 Low 32 ost pH or ORP Wege 16 1 oo 39 4 iod ALA 33e T 3 A 1 Velocity 1 Luar T ee qno m ud xe m cmm eee Channel Wege 16 1 oo 36 aos 4006 EL EE 409 4000 MESA 40066 NINI PM DM PM DY NO NO PO PM N N NO NO sch e o wesch The addresses shown above return a code that represents the appropriate unit of measure bb mb sesch wesch Table 36 Flow Totalizer Read Holding Register Addresses Page 120 SCADA Modbus System Guidelines 980Scada fm Appendix D Table 37 SCADA Modbus Units of Measure Codes DEGREE C The Modbus ASCII query must take the form shown below that specifies the starting register and number of registers to be read 980Scada fm Start Start Slave Function Acc ase No of Pts No of LRC CR lt LF gt Address 03 High SE High Pts Low Page 121 SCADA Modbus System Guidelines Appendix D For example to read the level channel of the 980 Flow Meter the query must be as indicated in Table 38 Table 38 Channel Query to Read Level Example Start Slave Addr
9. 4 11 2 Beam Angle Section 4 The narrow beam of sound that emanates from the bottom of the in pipe ultrasonic sensor spreads out at an angle of x12 10 dB as it travels away from the sensor This means that if the sensor is mounted too high above a narrow channel the beam may be too wide when it reaches the bottom of the channel This may cause false echoes from the sides on the channel walls 4 11 3 Programming the In Pipe Ultrasonic Sensor The in pipe ultrasonic sensor does not require operator programming unless more than one sensor option is connected to the 980 Flow Meter When more than one sensor option is connected 1 From the Main Menu select OPTIONS LEVEL SENSOR 2 Press CHANGE UNITS to select Ultra Sonic Sensor then press ACCEPT 4 11 4 Calibrating the In Pipe Ultrasonic Sensor 4 11 4 1 Liquid Depth Setup fm Calibrate the in pipe sensor each time the sensor is installed at a new site Calibrate the in pipe via one of two methods Liquid Depth or Sensor Height Each method has its own advantages and disadvantages Liquid Depth calibration is the recommended calibration method use the sensor height method only when Liquid Depth calibration is not an option An Invisible Range can also be set which allows the transducer to ignore reflections from obstructions between the sensor and the water surface such as ladder rungs channel side walls etc 1 From the Main Menu select OPTIONS ADVANCED OPTIONS 2 Hi
10. Sensor Mounting Clip for use with mounting DANOS nennen nnne nnns 3263 Ultrasonic Sensor Mounting Hardware Adjustable MOULIN TACK e as 2904 Permanent Wall Mount brackets a A EA eens 2974 Description Part Number TAMF 250 MUI T lane 015804 AA Alkaline Batteries Divina A Re IC se uter breuis Us SE989 AC Power Cord 115 V ac North American Style Plug includes Heyco Strain Relief 4630600 AC Power Cord 230 V ac Continental Style European Plug includes Heyco Strain Relief 4630800 Cable Sampler On FIOW METET EEN 1727 Conduit Hub ve 1h sealing Style neei a ii 16483 Copdult IUDs Fain SCANNING siylou E 4913600 Bees pile c 3624 BuU 2826 9 Man bo V aC een RTT M DM 3513 DTU tO PG Cable 230 DEE 3580 DTU II with 1726 DTU to Sampler Flow Meter Cable 3513 DTU to PC Cable 115 V ac 3516 DTU II with 1726 DTU to Sampler FLow Meter Cable 3512 DTU to PC Cable 230 V ac 3517 Hevoo Fitting FIs 0 20 0 95 cable O RE 9711400 H yco Fitting Fits 0 23 0 47 cable Q D ie HE a Ee 9711300 Locknut Ya in Conduit for Heyco fMn sssrinin ara a a 10596 12 Multi Purpose Half Cable 25 6 pin connector and opens leads end 9708600 Multi Purpose Half Cable 10 6 pin connector and open leads end 9708700 pH Temperature ProDe 25 Cable 5 oerte ee 9708100 DEL temperature P
11. and Table 22 show the size and details required for each Press ACCEPT to continue to Program Lock 11 00 AM 21 APR 01 PRIMARY DEVICE CHANGE ACCEPT CHOICE PRIMARY DEVICE WEIR SELECT PRIMARY DEVICE Table 19 Primary Device Choices None Level Only No primary device installed Level measurement only Weir Compound Cipolletti Contracted rectangular Non contracted rectangular Thel mar V Notch 22 5 120 Compound V Notch See Table 20 Parshall Trapezoidal H type HL type HS type Leopold Lagco Palmer Bowlus See Table 21 Enter variables K4 Ko ny and no Q K qn KH Power Equation 4 0 9999 99 Ks 0 9999 99 n and n 1 9 99 Head vs Flow Two independent user entered look up tables of up to 100 points each See Table 22 Manning Equation Rectangular channel U shaped channel or Circular pipe See Table 22 Page 55 BasicStartUp fm Basic Programming Section 3 Table 19 Primary Device Choices Continued Area Velocity Circular pipe U shaped channel Trapezoidal channel Rectangular channel See Table 22 Table 20 Weir Choices Weir Description Cipolletti Crest width is in or cm 1 960 in or 2 54 2438 cm Contracted Rectangular Crest width is in or cm 1 960 in or 2 54 2438 cm Non Contracted Rectangular Crest Width is in or cm 1 960 in or 2 54 2438 cm Thel mar Size in inches 6 8 10 12 or 15 in V Notch Angle of notch in degrees 22
12. as shown in Table 11 and Figure 20 Page 41 Installation2 fm Wiring the Modem Interface Section 2 7T Toensure protection against electrical shock reinstall the protective cover Cat No 49170 00 over the modem terminal connections Table 11 Modem Terminal Block Connections TB2 Figure 20 Modem Wiring Connections ON ON A OFF No Connection 1 Protective Cover for TB2 2 Cable to Modem 2 15 A Wiring the pH Sensor The pre amp junction box Cat No 9708300 is used to connect the pH probe to the 980 Flow Meter The pH probe wires attach to a terminal strip in the junction box 2 15 1 A pH Junction Box to Instrument To connect the pH junction box to the 980 Flow Meter follow the steps below and refer to Figure 21 1 Disconnect ac power from the 980 Flow Meter See warning information in Wiring Safety Information on page 27 2 Use a large flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Open the cover 3 Strip the insulation from the pH junction box leads 1 4 inch 4 Route the cable Cat No 9708800 from the pH junction box through a NEMA rated compression fitting Cat No 16483 or conduit to one of the Y in openings on the bottom of the 980 Flow Meter Page 42 Wiring the pH Sensor Installation2 fm Section 2 5 Connect the wires to the proper screw terminal blocks TB3 Refer to Table 12 and Figure 21 Table 12 pH
13. mists dusts or fibers e Toxic materials which upon contact or inhalation could result in injury impairment of health or death Confined spaces are not designed for human occupancy They have restricted entry and contain known or potential hazards Examples of confined spaces include manholes stacks pipes vats switch vaults and other similar locations Standard safety procedures must always be followed prior to entry into confined spaces and or locations where hazardous gases vapors mists dusts or fibers may be present Before entering any confined space check with your employer for procedures related to confined space entry DANGER Although some Hach products are designed and certified for installation in hazardous locations as defined by the National Electrical Code many Hach products are not suitable for use in hazardous locations It is the responsibility of the individuals who are installing the products in hazardous locations to determine the acceptability of the product for the environment Additionally to ensure safety the installation of instrumentation in hazardous locations must be per the manufacturer s control drawing specifications Any modification to the instrumentation or the installation is not recommended and may result in life threatening injury and or damage to facilities The 980 Flow Meter is not approved for use in hazardous locations as defined in the National Electrical Code Safety fm Spe
14. of the display to alert you to replace the batteries The meter uses a very small amount of energy from the memory batteries during normal operation 5 5 Ultrasonic Sensor Maintenance One of the key features of the Ultrasonic method of flow measurement is the low maintenance requirements for the level sensor transducer Clean the face of the transducer if it is coated by dirt and grease To clean the Ultrasonic Transducer housing wipe with a mild soap and water Strong solvents may damage the transducer housing 5 6 Cleaning and Maintaining Submerged Area Velocity Sensors CAUTION When handling materials samples and waste wear goggles and latex gloves to avoid illness or infection Clean the transducer port when e Upward drift occurs in your readings e Level data are missing or incorrect but velocity data are valid e Silt has deposited between the transducer and its protective cover Do not clean the transducer unless it shows signs of drift or malfunction Do not clean it just because it appears dirty 5 6 1 Submerged Area Velocity Sensor Cleaning Procedure Note Do not soak the sensor in bleach Bleach will permanently damage the sensor Maintenance fm When cleaning the transducer use the most gentle technique possible Do not use any type of object to remove sediment from the face of the transducer Foreign object damage to the transducer will void the warranty 1 Soakthe sensor in soapy water for 24 hours 2 Re
15. 101 misuse wel Ss A NU A 101 DISPIAVING Data erc es 101 S lectinNg the ue LEE 101 Trabularor Graph FOMA es ea ed as ed 102 Graphi Manipulacion 102 Graphie Display Viclor cC ici 103 Options Features erT 103 Setting he Time and Dale e RED EE 103 Advanced DUlOMS ttr Cr 104 A SR 104 ALAMO EE 105 LOOQGING Merna ici alitas aan 105 Data Logging Memory Allocation ODIOFIS voii iro cd Eo erae 0 ico 106 DalalogginG Selwer 106 Wellef le etc as 107 A MH et 107 LGD CSUs eet E 108 Demonstration GaN EE 108 A A A 108 Page 5 970ESTOC fm Table of Contents Table of Contents BS ipres LEER 108 SELFOON SAMPING EE 109 Orm EE 110 Appendix C Programming Ren 113 Appendix D SCADA Modbus System Guidelines ccccccnnccoconoooccnononccononanononononononnnoncnnnnnannnnnnnnnnnnnnnnncnnnnnns 117 Introduction to SCADA Modbus Commumicatons nennen nnne nennen nnn nnne nens 117 ASG Transmission Mi E a S ERE EE 117 o SN A dL MM IM MIU M MM M d 117 FUNCUORN u om D TEE 118 BAF Le E 118 ERG lie EE 118 Communication EE 119 User Memon Customizing DEE 119 Modbus ASCII Function Codes Gupported nennen nennen nnne nnne nnne nnn nnns 119 QUO eed oP PE CE a Mu I NIMIUM IMEEM DM M D 121 EELER 122 980 Flow Meter Response TIM a e o 122 Complications with Floating Point Valls
16. 29 cm C Highest expected water level B Invisible Range set to ignore tops of channel walls D Maximum Range 4 11 In Pipe Ultrasonic Sensor 4 11 1 Mounting the In Pipe Sensor Setup fm Mount the sensor over the center of the flow stream where the surface turbulence is minimized Figure 37 Mount the sensor 2 m 82 in away from obstructions located in front of the in pipe senor to prevent inaccurate liquid level readings Figure 38 Level the sensor using the built in bubble level Page 79 In Pipe Ultrasonic Sensor Section 4 e Ensure the isolation gasket is in place and the mounting bracket thumbscrews are finger tight to avoid sensor ringing e Install the sensor within 4 12 m 13 5 ft of the lowest expected level the maximum range of the sensor The intensity of the echo decreases with distance at a maximum of 1 31 dB m 0 4 dB ft Figure 37 End View of In Pipe 1 Pipe size may vary 5 Bracket Thumbscrew 3 17 cm 1 25 in long 2 Mounting Clip 6 Bubble Level 3 Vibration Isolation Gasket 7 Sound Waves Figure 38 Side View of In Pipe ULL Pipe Ceiling LLL p LLL p p LL Reflecting Obstruction ROS OSOS O OOOO O OO OOOO E Internal Deadband 18 21 cm 7 17 inches SSA A Minimum distance to reflecting obstruction 2 m 82 in B Distance from Sensor Range 1 6 cm 0 64 in to 4 11 m 13 5 ft C 45 Deflector Page 80 In Pipe Ultrasonic Sensor Setup fm
17. 4 12V dc red red XMIT pos RCV neg 1 If the factory prepared cable end is cut off the wire colors will no longer match Use the trimmed cable wire colors 2 18 2 Velocity Only Sensor Cable Quick Connect The quick connect hub allows easy installation and removal of the velocity only sensor Refer to Figure 25 on page 47 To connect the velocity only sensor cable to the quick connect hub 1 Remove the rubber cap on the quick connect hub 2 Place the connector end of the cable to the quick connect hub and tighten the connection by turning the cable connector securement ring clockwise Figure 25 Quick Connect Hub ON A TH EI WW No Connection 1 Quick connect Hub Page 47 Installation2 fm Wiring the Velocity Only Sensor Section 2 2 19 A Wiring the Submerged Area Velocity Sensor 2 19 1 Bare Lead Sensor Cables Note Bare lead connections and Bare lead sensor cables are used in those cases when the cable will be run Quick connections cannot be made through a conduit When conduit is used it is recommended that the conduit at the same time be 1 in or larger to the junction box and in to the instrument 2 19 1 1 Junction Box Connection Procedure Connect the bare leads to the flow meter using a junction box Cat No 9702500 This junction box is a physical connection point for the sensor wires and breather tubing 1 Disconnect all power to the 980 Flow Meter Refer to Wiring Safety
18. 800 635 1230 or Outside the U S A amp Canada call 1 970 669 3050 Calculate the correct number of registers needed for the data types being returned and then change the polling request accordingly Congratulations ne You have fixed it Page 129 SCADA Modbus System Guidelines Appendix D 980 SCADA Modbus No Response Troubleshooting Flow Chart 4 of 5 Continued from sheet 3 Is the 980 responding now Congratulations YES You have fixed it Use either a protocol analyzer or a communications program Put the RX and TX such as Windows Terminal or wires back to the way Comit running on a PC in place Is the Modbus they were before of the 980 to intercept and verify message the Modbus polling request being received being sent from the Master device to the 980 Does the The problem is in either the Modbus message start Modbus Master polling device with a colon and end with or the communications media a carriage return and Correct problem and then Line Feed pair check for a response again Does the message address match the Modbus device address of the 980 The first two characters in the message after the colon denote the Modbus device address in Hexadecimal Either change the Modbus NO device address of the 980 or change the address in the Modbus server YES Make a note of the Modbus message and then call our tech sup
19. Information on page 27 2 Loosen the four cover screws and remove the cover from the junction box Unscrew the cable clamp hex nut on the box enough to allow insertion of the sensor cable 3 Insert the sensor cable into the box 4 Heferto the wiring diagram on the inside cover of the box Connect each wire to its corresponding screw terminal in the upper row according to the wire colors listed in that diagram See Figure 26 on page 49 Note The submerged AV probe and 5 Connect the cable tubing to the clear tubing that is connected to the exit the velocity only probe cannot be fitting in the junction box connected at the same time Disconnect all bare lead 6 Create a strain relief by slipping the cable in or out of the box to connections or submerged AV sufficiently create a slight loop in the wires and tubing Tighten the cable quick connect connections to TB11 before connecting a submerged AV bare lead connection Refer to section 2 18 on page 46 clamp hex nut 7 Verify that the sealing gasket is in place in the cover then replace the cover on the junction box and tighten screws 8 Connect clear tubing between the top tubing nipple on the desiccant canister and the brass tubing nipple on the junction box 9 Connect the short bare wire cable to TB11 Refer to Table 16 and Figure 2 on page 49 Table 16 Submerged Area Velocity Sensor Terminal Board Connections TB11 mm ua m EN Depth pos 08 Depth ne
20. SHIELD CH B CH B SHIELD START EVENT BOTTLE PULSE N SS Ke o O 00 N oO LO lt m N GROUND 0 e 6 0 0 e 6 6 6 6 e SHIELD SAMPLER 2 8 A Wiring the Analog Input Note Use NEMA approved conduit hubs Cat No 16483 to ensure that water and dust do not enter the enclosure Note 4 20 mA inputs must be isolated Input impedance is 200 ohms Note Input impedance for voltage inputs is equal to 1 meg ohm Note To minimize electromagnetic affects on the 980 Flow Meter performance shielded cable is required To ensure that ground currents in inadequate ground systems do not result in potential shock hazards do not connect the shields at both ends of the cable Page 32 Wiring the Analog Input 1 Disconnect all power to the 980 Flow Meter Refer to Wiring Safety Information on page 27 2 Usealarge flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Open the cover 3 Strip insulation from analog input leads 1 4 inch 4 Attach a NEMA approved conduit or compression fitting to one of the Y in openings on the bottom of the instrument and route the analog input cable wires through this opening 5 Connect wires to the proper terminal block connection TB4 for 4
21. UNIS E 55 101 Downlook Ultrasonic Sensor Page 145 Index Index Liquid Crystal Display 15 53 Haud DEDIT ee 77 LogginNg MNMtervalS reli aa 105 M Maintenance iaa 93 Measurement Capabilities 16 Mechanical Totalizer Stolle gleef 65 Memory Batteries uk 94 Mife e UU MT 69 Programming secat Dauid eE 69 HEEN e 42 Modified Selected ltems 53 MOUNINO srt ni ve Uo fa cess Cage vede unset 23 Dimensions 22 23 SET Ee mp m 25 Wall Mounting eeeeeeeeeeeeeeee 24 N NEMAA XK acicate 21 COH dU I LIOS susce iocus aedes sme teu neues tos 21 Sealing RE E 21 Sealing Strain Reliefs Plugs 21 P PAS SW folie NT 57 A a 70 SC lee e HEEN 70 Junction Box to Instrument 42 Probe to Junction BOX eene 44 Programming E 70 PUMA NY A BIL 55 Principle Operation oocccocccoccccocncocncccnncncncnoncnnnnnos 16 Program Loc idol 57 Programming Features occcoccccncncocncccncnnnonunnnnonos 101 H Rail Pole Mounting 25 FICVICW ANTES dubai 101 Routine Maintenance een 93 pic Me e 39 Permanent Conduit eeeeeeeene 39 Beieleit le WEE 68 lte ee at 40 Page 146 Index RUSO IK T 59 S Safety Precautions csi 7 Sampler Pacing WEE 57 SCADA Modbus System 117 Sensor e
22. Ve in openings on the bottom of the instrument and route the ac wires through this opening See Figure 6 3 Strip the wire insulation back enough to wrap around terminal screws 4 Connect the hot and neutral wires to the appropriate screw terminal TB 8 Refer to Table 1 Do not leave any of the bare wire exposed 5 Connect the green green yellow wire to the ground stud Use a 5 16 inch open end wrench to tighten the ground stud Table 1 ac Power Connections Circuit Board Marking Location Power Wire Color Codes White North America Blue International Figure 11 Proper Wire Connection 1 Ground Stud 3 Seat insulation against connector 2 18 12 gauge wire 4 Strip wire inch Page 29 Installation2 fm Wiring the Controller Section 2 Figure 12 Connecting Power to the Instrument B 1 Power switch 2 Green wire to ground stud 3 Appropriate NEMA 4X Hardware 2 6 A Wiring Optional Devices e 4 20 mA Current Loop e Up to three 4 20 mA Inputs e Up to four 4 5 V dc Inputs The flow meter can connect to a wide variety of optional peripheral devices e Mechanical Totalizer e pH Sensor e Rain Gauge e Modem e Sampler The flow meter is available with one of the following depth velocity measurement technologies e Ultrasonic Sensor e Area Velocity Submerged Sensor e Velocity Sensor After wiring the instrument and optional devices an operator must conduct the basic programming setup Refer
23. an Input Channel e g channel 1 2 3 or flow etc to assign to that output Press CHANGE CHOICE to cycle through the channel names When the desired channel is displayed press ACCEPT 11 00 AM 21 APR 01 4 20 mA OUTPUTS CHANGE ACCEPT CHOICE INPUT CHANNEL 6 FLOW CANCEL SELECT APPROPRIATE UNITS Assign a channel value to the 4 mA current value This value is typically O however any value can be set In other words enter the value of the input needed to generate 4 mA of current at the output 11 00 AM 21 APR 01 4 20 mA OUTPUTS ACCEPT 4 mA INPUT VALUE CLEAR 0 00 mgd CANCEL ENTRY SELECT APPROPRIATE UNITS 7 Assign an input value to the 20 mA current level 8 Repeat this process to configure the other 4 20 mA output 4 1 2 Calibrating the 4 20 mA Output After wiring the 4 20 mA connection perform a 4 20 mA output calibration The 4 20 mA output calibration requires a multimeter and an interface or access to the 4 20 mA current loop wiring Two 4 20 mA outputs are available and are designated Output A and Output B Both outputs are calibrated the same way and are isolated from each other Page 62 4 20 mA Output Calibration may be performed while the 4 20 mA device is in the current loop as shown in Figure 28 or disconnected from the current loop as shown in Figure 29 In either case the multimeter must be set to a 20 milliamp dc range or greater t From the Mai
24. caia A Ai 123 Port Expanders and Protocol Converters coccion a dd 124 Other Reference Maid id 124 lieto issue Milo sara das dictara 125 980 SCADA Modbus No Response Troubleshooting Flow Chart ofbi 127 980 SCADA Modbus No Response Troubleshooting Flow Chart 2 ofbi 128 980 SCADA Modbus No Response Troubleshooting Flow Chart 3 ofbl 129 980 SCADA Modbus No Response Troubleshooting Flow Chart 4 ofbl 130 980 SCADA Modbus No Response Troubleshooting Flow Chart Gofbi 131 Appendix E 980 Quick Start Guides cccccccnnnccocooononononncccccnnncnnnnnnnonnnnnnnnnnnnnnnenononnnnnnnnnnnnnnnnnnnnnnnnnnnnnncnneninnnns 133 GENERAL INFORMATION cocaina EE EE 135 Pari and ACCCSSO EE 137 Contact Information for U S A and Outside Europe 139 ContraetIntormiatlon Tor EWODE EE 140 VE e d EE 141 erue M x ET 142 g a e e c er eee M RR 145 Page 6 Table of Contents 970ESTOC fm Safety Precautions Please read this entire manual before unpacking setting up or operating this instrument Pay particular attention to all danger and caution statements Failure to do so could result in serious injury to the operator or damage to the equipment To ensure the protection provided by this equipment is not impaired do not use or install this equipment in any manner other than that which is specified in this manual Use of Hazard Info
25. continue 3 Enter the Distance to End of the Invisible Range 4 Select either inches or centimeters using CHANGE UNITS Press ACCEPT 4 11 5 Protecting the In Pipe Ultrasonic Sensor Keep the sensor and the reflector free of grease and dirt Since the logger listens for the relatively faint sound of the returning echo a heavy coated sensor will not be able to detect the echo well and may not provide accurate level measurement 4 11 6 In Pipe Ultrasonic Sensor Troubleshooting Page 82 In Pipe Ultrasonic Sensor During surcharged conditions the ultrasonic level will give random depth readings that will need to be edited in the application software oymptoms of this hydraulic condition occur when the level appears erratic within 5 7 cm 2 25 in of the pipe diameter The readings will first appear to flat line Then the erratic readings that in some cases exceed the pipe diameter will occur Setup fm Section 4 If the hydraulics are frequently in surcharge conditions use a submerged level sensor instead of an in pipe ultrasonic sensor 4 12 Velocity Only Sensor The Velocity Only Sensor is an extremely low profile velocity sensor It does not measure level The streamlined shape of the wafer probe allows velocity measurement in very low flow conditions When used in conjunction with a level sensor such as the In pipe Ultrasonic Level Sensor the meter can calculate flow Refer to Figure 39 Figure 39 Velocity Onl
26. depth typically contributes to flow In a weir only the depth that is flow over the weir plate contributes to flow Many flumes have specific requirements refer to Working with Primary Devices on page 99 Level Depth calibration is primarily is used when e Access is available to the primary device for a physical measurement of the liquid depth and e When water is flowing during installation of the 980 Flow Meter channel is not dry Page 77 Setup fm Downlook Ultrasonic Sensor Section 4 Note Always re check the Level Adjust when re installing the flow meter 4 10 4 2 Sensor Height Page 78 Downlook Ultrasonic Sensor 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS gt CALIBRATION gt ULTRASONIC SENSOR 2 Select Calibrate U Sonic using the UP and DOWN keys Press SELECT 3 Select Standard as the type of Ultrasonic Transducer using CHANGE CHOICE Press ACCEPT Temperature Time Constant The speed of sound in air varies with the temperature of the air The ultrasonic sensor is equipped with temperature compensation to help eliminate the effect of temperature variation under normal site conditions The transducer must be equal to the ambient air temperature at the site prior to calibration for optimum results The manufacturer also recommends that sensors be shielded from direct sunlight for this reason 4 Enterthe ambient air temperature at the transducer location For optimum results allow enough time 100 mi
27. done at higher logging intervals Choose the shortest logging interval possible while still making data Page 105 Programming Features Appendix B collection convenient Pick a logging interval that almost fills memory over the course of one month if data will be collected monthly Table 29 Logging Intervals vs Total Recording Time for Each Memory Configuration oaa nian Total Recording Time days before memory is full with 512K Bytes of RAM gging approx 115 630 readings 160 240 401 481 0 803 12 963 15 1204 20 1606 30 2409 60 4818 Assuming one logged channel Data Logging Memory Allocation Options The 980 Flow Meter uses a management scheme called Dynamic Memory Allocation All readings are logged in battery backed Random Access Memory RAM RAM memory is allocated to each channel dynamically during operation If one channel is logging at 5 minute intervals and a second channel logging at 1 minute intervals the meter automatically configures memory so that both channels fill memory at the same time Five times as much memory is assigned to the channel that is logging at 1 minute intervals than the channel that is logging at 5 minute intervals Wrap Memory Mode The 980 Flow Meter uses wrap memory In Wrap mode when memory becomes full the oldest reading is discarded each time a new reading is taken When memory becomes full the flow meter continues to operate and log data This mode is best used to rec
28. into the hole The filter will deflect upward and feed completely into the thread until it disappears The filter must rotate with the nipple as it is threaded into the cap If it does not it is torn Start over with a new filter 6 Inspect the installation In the upper cap a small dim light spot should be visible when held up to the light A bright spot indicates a torn filter Start over with a new filter Figure 9 4 Replacing the Hydrophobic Filter 1 Filter smooth side down 2 Hex head tubing nipple 3 Finished assembly Page 98 Cleaning and Maintaining Submerged Area Velocity Sensors Maintenance fm Appendix A Troubleshooting Measurement Errors Troubleshooting Measurement Errors From Electromagnetic Fields Measurement inaccuracy can be affected by numerous factors one of these factors is Radio Frequency RF The 980 Flow Meter is designed to be resistant to RF fields and other Electromagnetic Interference EMI however HF fields at certain frequencies at or above 10 Volt per meter level can cause disturbances to measurement circuits causing inaccurate measurements If RF is causing measurement errors the tranmitter s are usually located near the 980 Flow Meter When the transmitter s are too close to the instrument remove or move the transmitter farther away from the 980 Flow Meter The following tables provide RF frequencies and levels that can cause measurement errors Compare any local transmitters and its tran
29. master contains the data requested The LRC field of an ASCII message frame consists of two ASCII characters that provide an additional level of error checking to verify the integrity of the communication media The LRC field is one byte that contains an 8 bit binary value The LRC value is calculated by the transmitting device which appends the LRC to the end of the message The receiving device recalculates the LRC and compares it against the LRC value of the incoming message If the two values are not equal an error condition occurs The LRC is calculated by adding together successive 8 bit bytes of the message discarding any carries and then complementing the result The LRC is calculated by summing all values in the ASCII message except for the leading colon and ending lt CR gt lt LF gt 980Scada fm Appendix D Communication Parameters To successfully communicate with the 980 Flow Meter using Modbus ASCII the communication parameters of the master device must be set at 7 bits Even Parity and 1 Stop bit The baud rate may be configured to any value offered by the 980 Flow Meter With the exception of baud rate the communication parameters must not vary from this format User Memory Customizing The most familiar component of existing SCADA networks today is the Programmable Logic Controller PLC Because the network integrator is most familiar with this type of device the flow meter emulation of an existing PLC simplifies th
30. of verifying the operation of all front panel keys Selecting KEYPAD TEST from the diagnostics menu will bring up the following screen 11 00 AM 21 APR 01 QUIT KEY PRESSED 5 PRESS ANY KEY Pressing any key on the front panel except for the upper left soft key will cause that key label to appear in the center of the display All numeric keypad keys soft keys and function keys may be tested in this manner To end press QUIT this also verifies the upper left soft key operation Page 107 AppendxProgramFeatures fm Programming Features Appendix B LCD Test Demonstration Graph Velocity Analysis Event Log Page 108 Programming Features Display Test verifies all the pixels in the Liquid Crystal Display LCD are functional The LCD is made up of 14 400 pixels that are turned on and off as needed to create the display of graphics and text Each individual pixel is turned on and off by its own transistor If a transistor fails the pixel will not turn on potentially causing an unreadable or confusing display Select LCD TEST from the Diagnostics Menu The display will become black for 3 seconds To verify that all pixels are functional A defective pixel will stand out as a white dot in the field of black dots A message THE DISPLAY WILL REMAIN INVERTED FOR 3 SECONDS is shown for 2 seconds followed by a 3 second period with all dots turned on The demonstration graph provides a small portion of demonst
31. ogni ferita corporale e danneggiamento della macchina Solo gli operatori qualificati per l uso di questa macchina sono autorizzati ad effettuare le operazioni di manutenzione descritte in questa parte del manuale Page 19 InstallStop fm INSTALLATION Visit http www bach com Section 2 Installation DANGER This instrument should be installed by qualified technical personnel to ensure adherence to all applicable electrical codes 2 1 Customer supplied Equipment e Four 14 20 mounting screws e Wire strippers e Small flat blade screwdriver e Diagonal wire cutters e Phillips screwdriver e Nylon wire ties e Needle nose pliers e 5 16 Open end wrench e 110 230 V single phase switched power 2 2 Unpacking the Instrument Hemove the 980 Flow Meter from its shipping carton and inspect it for any damage If the shipment arrives damaged or incomplete contact Technical support at 1 800 635 1230 or send e mail to techhelp 9 hach com 2 2 1 NEMA 4X Applications Note The 980 Flow Meter ships To maintain the NEMA 4X IP66 enclosure rating use strain relief or conduit with temporary push in hole plugs fittings that are a sealing type not supplied see note in left column To make which are not acceptable for use wire connections refer to the sections that follow Standard off the shelf during operation If circuit NEMA approved conduit hardware is available at most hardware and connections are not required plug unused holes as shown i
32. probes in smaller pipes can create turbulent or accelerated flows near the probes that may cause inaccurate measurements Mount the sensor as close as possible to the bottom of the pipe invert to most accurately measure low velocity levels Locate monitoring sites as far from inflow junctions as possible to avoid interference caused by combined flows Avoid any sites that contain flow obstacles within 2 to 4 pipe diameters in front of the probe installation rocks stones pipe joints valve stems etc as these will contribute to turbulence and generate high speed flows in the immediate vicinity of the obstruction Avoid any sites with slow moving flows that will encourage the buildup of silt in the invert or channel Excessive silting around the probe may inhibit the Doppler signal and decrease sensor accuracy and may affect depth measurement accuracy Avoid sites with deep rapid flows that will make it physically difficult or dangerous to install the probe Avoid sites with high velocity low depth flows Splash over and excessive turbulence will be present around the probe and data may be inaccurate 4 12 3 2 Choosing a Mounting Band Mounting bands and rings for depth velocity and velocity sensors are listed in Parts and Accessories on page 137 A complete mounting band assembly for pipe sizes less than 12 ft also requires one Depth Velocity Sensor Mounting Clip Cat No 3263 and one Scissors Jack Assembly for band set only C
33. pulling it straight out 212 350 F until the beads turn blue again I the beads donotturn 4 Pour the desiccant beads out of the canister blue replace them with new beads D t heat th ister It will melt E ie 4 Remove the tubing at the top of the canister Figure 9 3 Note Applying O ring grease 5 Remove the canister from its clip beryllium grease to new or dry O rings improves the ease of insertion 6 Hold the canister up to the light and inspect the hydrophobic filter for sealing and life span of the O ring tearing Or obstruction Page 96 Cleaning and Maintaining Submerged Area Velocity Sensors Maintenance fm Section 5 e If you see a small dim light spot while looking through the hole the filter is in good condition If you see a bright light spot the filter if probably torn Replace the filter e lf the desiccant beads were completely saturated with water or the filter may have been saturated with water or grease replace the filter If you need to replace the filter complete the Hydrophobic Filter Replacement Procedure on page 97 then continue with step 8 7 Refill the canister tube with blue desiccant beads Cat No 3624 Inspect the O ring Cat No 5252 on the bottom cap for cracking pits or evidence of leakage Replace if necessary 8 Make sure that the O ring is clean and free of dirt or debris before replacing the end cap 9 Reinstall the end cap and check to make sure that the vinyl
34. single Modbus line connected to a PLC that is used to control the pumps Port expanders are available from third party manufacturers these allow several Modbus slave devices to be connected to a single Modbus Master device Typically a single port expander will have 3 5 separate Modbus ports on it Depending on the manufacturer the user may be able to configure each of these ports for different communications parameters In essence not only does this type of port expander allow multiple slave devices to be connected to a single Modbus master device but it can also be configured to convert incompatible communications parameters such as Modbus ASCII to RTU or vice versa baud rate parity stop bits etc In addition to the port expanders mentioned above other protocol converters from third party manufacturers can be used to convert other industrial protocols to Modbus ASCII Other Reference Material SCADA ANSI Specification ANSVIEEE Std C37 1 1994 Boyer Stuart A SCADA supervisory control and data acquisition Research Triangle Park NC Instrument Society of America 1993 MODICON Modicon modbus protocol reference guide North Andover MA MODICON Inc Industrial Automation Systems 1996 AEG Schneider Automation Modicon ladder logic block library user guide North Andover MA AEG Schneider Automation Inc 1996 Page 124 SCADA Modbus System Guidelines 980Scada fm Troubleshooting Tips Appendix D Problem 98
35. special attention Read and follow these instructions carefully to avoid personal injury and damage to the instrument Only personnel qualified to do so should conduct the installation maintenance tasks described in this portion of the manual DANGER Certains des chapitres suivants de ce mode d emploi contiennent des informations sous la forme d avertissements messages de prudence et notes qui demandent une attention particuliere Lire et suivre ces instructions attentivement pour viter les risques de blessures des personnes et de d t rioration de l appareil Les t ches d installation et d entretien d crites dans cette partie du mode d emploi doivent tre seulement effectu es par le personnel qualifi pour le faire PELIGRO Algunos de los capitulos del manual que presentamos contienen informaci n muy importante en forma de alertas notas y precauciones a tomar Lea y siga cuidadosamente estas instrucciones a fin de evitar accidentes personales y da os al instrumento Las tareas de instalaci n y mantenimiento descritas en la presente secci n deber n ser efectuadas unicamente por personas debidamente cualificadas GEFAHR Einige der folgenden Abschnitte dieses Handbuchs enthalten Informationen in Form von Warnungen VorsichtsmaBnahmen oder Anmerkungen die besonders beachtet werden mussen Lesen und befolgen Sie diese Instruktionen aufmerksam um Verletzungen von Personen oder Schaden am Gerat zu vermeiden In diesem Abschnitt beschrieb
36. standard Modbus networks using Modbus ASCII In ASCII mode messages start with a colon gt and end with a carriage return line feed pair The allowable characters transmitted for all fields are hexadecimal 0 9 and A F When a message is transmitted over a Modbus ASCII communication link each character or byte is sent in the order of Least Significant Bit to Most Significant Bit A typical message frame looks like the following START ADDRESS FUNCTION DATA LRC END HEX HEX HEX HEX HEX Address Field The address field of an ASCII message frame ranging from O to 247 decimals consists of two characters that represent the slave address Individual slaves are assigned values between 1 and 247 A master addresses a slave by putting the slave s address in the address field of the message frame When the slave sends its response it places its own address Page 117 980Scada fm SCADA Modbus System Guidelines Appendix D Function Field Data Field LRC Field Page 118 SCADA Modbus System Guidelines in the address field of the message frame to let the master know which slave is responding The device address of the 980 Flow Meter is set via the front keypad in the 980 Communications menu 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS gt COMMUNICATIONS SETUP gt MODBUS SETUP 2 Enter a value between 0 and 247 11 00 AM 21 APR 01 MODEM SETUP ACCEPT DEVICE ADDRESS 1 RETURN
37. tall Cat No 3108 Loosen the bolt slide the section to the desired distance and re tighten the bolt Sensor Mounting Clamp with built in bubble level Sensor adjusts to any required level Page 75 Setup fm Downlook Ultrasonic Sensor Section 4 4 10 2 Ultrasonic Senor Downlook Installation Troubleshooting Convection Currents Convection components between the sensor and target will change the velocity of sound If these conditions are present install a shield around the sound beam to eliminate temperature variation due to convection currents The system is designed with averaging routines to help mitigate this problem The acoustical impedance of foam and oil is low relative to air While the 980 is designed with an AGC Automatic Gain Control scheme to reduce these factors it is recommended that sites without these anomalies be selected Obstructions Through the use of an Invisible Range the 980 Flow Meter can select targets beyond peripheral obstructions In establishing this exclusion zone care must be taken to set the exclusion zone higher than the maximum expected level Echo Loss It is normal to report some temporary echo loss due to environmental effects mentioned above The 980 will determine if the sound intensity is below recommended values and automatically initiate subsequent measurements to provide an accurate reading If echo loss events are in excess of two per hour site conditions should be reexamined for
38. the NO Meter on by pressing the ON button Determine the flash embedded code version by turning the meter off and then back on again and observing the value on the display Can the protocol of the Master device be changed to Modbus ACSII Is the protocol of the Master device Modbus ACSII Obtain a protocol converter NO to convert from the existing protocol to Modbus ACSII YES YES Change the protocol of the Master device to Modbus ACSII Continued on sheet 2 Page 127 980Scada fm SCADA Modbus System Guidelines Appendix D 980 SCADA Modbus No Response Troubleshooting Flow Chart 2 of 5 Continued from sheet 1 Is the Master device configured for 7 data bits 1 stop bit even parity YES Does the baud rate of the 980 match that of the Master device Continued on sheet 3 Page 128 SCADA Modbus System Guidelines Can the Master device be configured for 7 1 even Obtain a protocol converter to convert the communication parameters to 7 data bits 1 stop bit and even parity YES Configure the Master device for 7 data bits 1 stop bit and even parity Configure the Master device that is communicating with the 980 to keep the DTR Pin C of the flow meter constantly held high for the duration of all communications This section does not apply to Modem Communication Set the baud rate of
39. the 980 to match that of the Modbus Master device 980Scada fm Appendix D 980 SCADA Modbus No Response Troubleshooting Flow Chart 3 of 5 Continued from sheet 2 Does the address of the Modbus message correspond to the address assigned to the 980 YES Does the Master device use hardware or software handshaking Are the correct number of registers being requested for the data type returned Change the Modbus device address of the 980 in the Communications Setup menu of the 980 Disable the handshaking in the Master device and or jumper out the handshaking terminals in the RS 232 cable Is the 980 responding now To ensure the integrity of the data being returned the 980 checks to make sure the number of registers being requested coincides with the data type being returned If there are inconsistencies the meter will ignore the polling message For example Floating point data requires 2 registers per value Enumerated and Integer data requires 1 register per value Long integers require 2 registers per value The meter would ignore a request for just one floating point value if the number of registers requested was only one instead of 2 Does the 980 communicate correctly with the InSight software Swap the RX and TX lines on the serial cable connected to the 980 Continued on sheet 4 980Scada fm Call our tech support at
40. the deadband value The deadband is the area between the alarm turn on and turn off Refer to section on page 104 Set Point Alarm Conditions e Level e Flow e Flow Rate of Change e pH e Rainfall e Analog Channels 1 7 e Temperature e Velocity Page 67 Setup fm Alarm Relays Section 4 4 5 Rain Gauge 4 5 1 Programming the Rain Gauge Note If logging is enabled on any 1 channel that channel will have an arrow in front of the channel name e to signify that the channel is logged 4 6 Sampler From the Main Menu Select OPTIONS gt ADVANCED OPTIONS gt DATALOG Highlight Select Inputs using the UP and DOWN keys Press SELECT Highlight Rainfall using the UP and DOWN keys then press SELECT Press CHANGE CHOICE to cycle between Logged and Not Logged then press ACCEPT Enter a logging interval using the numeric keypad then press ACCEPT Valid logging intervals are shown on the status bar along the bottom edge of the display Select Rainfall Units in or cm Press the ACCEPT Select another channel to configure press RETURN to back up one step or press MAIN MENU to return to the Main Menu 4 6 1 Programming a Sampler Connection 1 2 4 7 RS232 4 7 1 Programming the RS232 Note Long runs of cable 1 especially if they are near large motors or fluorescent lights can cause communication errors and may require a slower baud rate If errors develop at high baud rates try lowering the baud rate on
41. the desired selection Press CLEAR ENTRY to clear all numeric fields When complete press ACCEPT to save the changes Page 103 AppendxProgramFeatures fm Programming Features Appendix B Advanced Options Alarms Note Rainfall and Flow Rate of Change alarms are High Set Point conditions they take no deadband and they are time dependent Page 104 Programming Features 1 From the Main Menu select OPTIONS ADVANCED OPTIONS 11 00 AM 21 APR 01 ADVANCED OPTIONS 4 20 mA OUTPUTS 1 ALARMS CALIBRATION COMMUNICATIONS SETUP DATALOG DIAGNOSTICS FLOW TOTALIZER SELECT 2 Use the UP and DOWN keys to highlight the choice then press SELECT 3 Proceed through the series of screens to configure the parameters for the selected item Advanced Options include e 4 20 mA Outputs section 4 1 1 e Alarms section 4 4 1 e Calibration Section 4 e Flow Totalizer section 4 3 1 e Diagnostics Diagnostics on page 107 e Data Log Data Log on page 105 e Storm Water Storm Water on page 110 e Set Point Sampling Set Point Sampling on page 109 e Languages English Czech Danish French German Italian Portuguese and Swedish Dutch and Spanish The 980 supports English and one other selected language Setting the Deadband After entering the trip point enter a Deadband value The deadband is the area between alarm turn on and turn off The purpose of setting a Deadband is to elimin
42. the first buffer solution 4 7 or 10 pH using CHANGE CHOICE then press ACCEPT 5 Remove the probe from the first buffer solution rinse it under distilled water and place it into the second buffer solution 4 7 or 10 pH different from the first buffer used Press any key to continue 6 Select the pH for the second buffer solution using CHANGE CHOICE then press ACCEPT If the pH probe is damaged and cannot be calibrated or if the buffer solutions do not fall within an acceptable range an error message will be displayed as shown below 11 00 AM 21 APR 01 ERROR MESSAGE pH CALIBRATION FAILED GAIN AND OR OFFSET OUT OF RANGE TRY AGAIN PRESS ANY KEY TO CONTINUE Another attempt at reading the second buffer solution will be made after pressing a key If this fails it is likely that you have a bad pH probe or bad buffer solutions Try a new set of buffer solutions and if that fails try a different pH probe 4 10 Downlook Ultrasonic Sensor Downlook ultrasonic level sensors are available with different beam angles and deadbands The 980 Flow Meter uses a 75 kHz Downlook Ultrasonic Sensor See Figure 31 The ultrasonic transducer is mounted over the flow stream at the proper location for head measurement To determine the proper location for head measurement refer to Working with Primary Devices on page 99 The transducer emits a pulse of sound at a high frequency and awaits for the echo to return from the surface of the w
43. the program Press the Main Menu key at any time during programming to return to the Main Menu Screen The current action is cancelled if changes are not yet accepted Level Adjust Adjust the flow meter to match the current head or level contributing flow in the channel Run Stop Runs or resumes a program Stops a currently running program 1 4 Liquid Crystal Display The 980 Flow Meter liquid crystal display LCD works in conjunction with the four soft keys When a soft key changes function the display shows the new function Menu Bar The Menu Bar appears in a black band on the top edge of the display The upper left corner of the menu bar shows the time and date The upper right corner shows the name of the current menu Status Bar The Status Bar appears along the bottom edge of the display The appearance of the status bar changes depending upon the function performed Page 15 Overview fm Keypad Description Section 1 1 5 Principle Operation Page 16 Principle Operation The lower left corner of the Status Bar indicates whether a program is Running Halted or Ready To Start If it is not needed during a programming step it disappears The lower right corner displays system alarm conditions such as low memory battery For a list of possible alarms see section 4 4 on page 66 The status bar also lists the valid choices when entering certain programming information For example when selecting the units of lev
44. three channels with 4 20 mA input 1 4 20 mA Output General Information 4 intergral alarm relays form C common normally open normally closed 5 amp Connection to instrument through terminal blocks Relay Contact Ratings 5 amps 30 230 V ac Communications General Information RS 232 up to 19 200 baud Modem 1 4400 bps V 32 bis V 42 MNP2 4 error correction V 42 bis MNP5 data compression MNP 10 EC Cellular Protocol Pager SCADA Modbus communication protocol standard via RS232 or optional modem Page 10 Specifications Specifications Ultrasonic Transducer Operating Frequency 75 kHz Beam Angle 12 10 dB Accuracy 0 03 ft over 2 ft change in head 20 C still air ideal target 50 ft cable 11 5 in minimum to 10 7 ft maximum with ideal target 20 C in still air with Range 50 ft cable Operating Temperature Range 20 C to 50 C 4 F to 122 F PVC housing with acoustic window 1 5 Ib Cable Low loss cable coax cable RG 62 U Cable Length 25 ft 7 6 m standard custom lengths up to 500 ft contact manufacturer for performance information at custom lengths Permanent and Adjustable Mounting Brackets Dimensions transducer only 12 7 cm x 5 7 cm 5 0 H x 2 25 D Connection Bare wire lead connection via terminal blocks In Pipe Ultrasonic Sensor Operating Frequency 75 kHz 0 014 ft for sensor to liquid distance between 2 86 inches and 13 5 ft at 1
45. to Section 3 on page 53 conduct individual programming for the optional devices and when necessary calibrate the devices Refer to Section 4 on page 61 for operator s setup 2 7 A Wiring the 4 20 mA Output Page 30 Wiring Optional Devices Two 4 20 mA dc outputs are available and may be independently assigned to any data channel level flow pH etc The maximum cable length for either 4 20 mA output is defined based on the load of the instrument device being connected and the gauge of wire being used to connect the instrument device to the 980 Flow Meter The total available load for either of the 4 20 mA outputs is 600 ohms Installation2 fm Note To minimize electromagnetic effects on the 980 Flow Meter performance shielded cable is required To ensure that ground currents in inadequate ground systems do not result in potential shock hazards do not connect the shields at both ends of the cable Note Use NEMA approved conduit hubs Cat No 16483 to ensure that water and dust do not enter the enclosure Installation2 fm Section 2 For example If the device that is being connected has a load of 550 ohms this leaves 50 ohms available to define the maximum length of wire for connecting the device to the 980 Flow Meter Each wire has an inherent resistance that can be obtained from the wire manufacturer Divide the 50 ohms that is available for the wire by the resistance of wire with units of ohms ft The r
46. to one of the NEMA approved conduit hubs Ya in openings on the bottom of the instrument and route the wires Cat No 16483 to ensure through this opening that water and dust do not enter the enclosure 5 Connect wires to the proper screw terminal block TB4 Refer to Table 7 and Figure 17 Table 7 Rain Gauge Terminal Block Connections TB4 Signal Description Figure 17 Connecting to a Rain Gauge No Connection Strain Relief 2 Input from Rain Gauge Page 37 Installation2 fm Wiring the Rain Gauge Section 2 2 12 A Wiring the Sampler 1 Disconnect all power to the 980 Flow Meter See Wiring Safety Information on page 27 2 Use a large flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Open the cover 3 Strip insulation from the sampler leads 1 4 inch Note Route wires through 4 Attach a NEMA approved conduit or compression fitting to one of the NEMA approved conduit hubs 2 in openings on the bottom of the instrument and route the wires Cat No 16483 to ensure through this opening that water and dust do not enter the enclosure 5 Connect wires to the proper screw terminal block TB10 Refer to Table 8 and Figure 18 for wire connections Cable Required for Sampler Connections e Multi Purpose Half Cable Assembly 10 ft 3 0 m 6 pin connector on one end tinned wire leads on the other end Cat No 9708700
47. tubing is securely fastened at each fitting 5 6 4 Hydrophobic Filter Description A single Teflon hydrophobic filter Cat No 3390 is installed in the top of the canister to prevent liquid from entering the vent tube This filter is very reliable For best performance and to avoid grease buildup on the filter during submergence or surcharge conditions hang the canister vertically so that the end facing the sensor points downward Figure 9 3 Removing the Tubing To Sensor To Meter Ed uc 1 End Cap 2 O ring 3 4 Teflon Hydrophobic Filter Cat No 3390 5 Vinyl Tubing Desiccant Container 5 6 5 Hydrophobic Filter Replacement Procedure 1 Using a deep well hex socket 11 mm unscrew the hex head tubing nipple from the top of the canister and discard the old filter Page 97 Maintenance fm Cleaning and Maintaining Submerged Area Velocity Sensors Section 5 2 Discard any remnants of Teflon tape from the nipple s threads Reapply two turns of Teflon tape Cat No 10851 45 to the threads pulling the tape into the threads until it conforms to the shape of the threads 3 Placea new filter Cat No 3390 over the hole Make sure that the smooth side of the filter faces the inside of the canister See Figure 9 4 4 Place the threaded nipple on top of the filter 5 With a slight pressure press the filter into the hole with the nipple threads and begin threading the nipple
48. uses for the storing and processing of floating point numbers Additionally the Modbus protocol does not define how floating point values are packed stored into the internal memory addresses or Registers of the flow meter If you are integrating our Modbus capable flow meters be aware that these meters store and process floating point numbers in the exact same format as the Modicon Compact 984 PLC All current models of Modicon PLCs including the Compact 984 pack two bytes of data into each register This alone presents no problems Unsigned two byte 16 bit integer values in the range of 0 to 65535 can be stored and retrieved from these registers without any problems or complications The complications arise when the stored value is a floating point value which by IEEE definition require 4 bytes 32 bits The IEEE standard for floating point values states in part that the 8 most significant bits represent the exponent and the remaining 23 bits plus one assumed bit represent the mantissa and the sign of the value Since a data word consists of two bytes a floating point value is represented by two data words Because a single Modicon register consists of one word or 2 bytes two consecutive Modicon registers are needed to store one floating point value The representation of a floating point value can be broken down into a High Order and a Low Order word Additionally each word can be broken down into a high ord
49. wu po ROV neg Page 48 Wiring the Submerged Area Velocity Sensor Installation2 fm Section 2 Figure 26 Submerged Area Velocity Junction Box Connections Shield clear brown 12V red QD AlN OD A common green RCV yellow RCV orange XMIT violet XMIT gray Depth black Depth white 1 Sensor Cable Tubing 2 Brass Tubing Nipple 3 Cable Clamp Hex Nut Figure 27 Junction Box Probe Cable Connection and Desiccant Canister TB11 AV clear brown SHIELD yellow RUE orange violet XMIT XMIT COMMON red 12V black DEPTH DEPTH Qn SHIELD Die COMMON Blo DSR 9702500 Dia RXD 980 SUB AV m JUNCTION BOX 6 V ID Ga TXD Di 12V RS232C 7 PA Page 49 Installation2 fm Wiring the Submerged Area Velocity Sensor Section 2 2 19 2 Submerged Area Velocity Sensor Cable Quick Connect The quick connect hub allows easy installation and removal of the submerged area velocity sensor Connect the submerged area velocity sensor cable to the quick connect hub 1 Remove the rubber cap on the quick connect hub See Figure 25 2 Place the connector end of the cable to the qu
50. 0 Ultrasone SENSOF 79 KA KEE 9701100 Velocity Only Sensor Cable max length TOO EE 9708000 Velocity Prope We CONN te EE 9707800 veloc iy Prope w Dare leds morso mt 9707900 Sensor Mounting Hardware Submerged Area Velocity Sensor Mounting Accessories Insertion Tool for street level installation of mounting rings cccoccccoccnnoncnnoncncnncncnnnncnnnnonnnnnnonnnnnnrnnnnnnnnnnnnnnnnnnos 9574 Mounting Ring for 6 diameter pipe requires Cat No 2262 1361 Mounting Ring for 8 diameter pipe requires Cat No 22621 1362 Mounting Ring for 10 diameter pipe requires Cat No 22621 1363 Mounting Ring for 12 diameter pipe sensor mounts directly to band 1364 Mounting Ring for 15 diameter pipe sensor mounts directly to band 1365 Mounting Ring for 18 diameter pipe sensor mounts directly to band 1366 Mounting Ring for 20 21 diameter pipe sensor mounts directly to band 1353 Mounting Ring for 24 diameter pipe sensor mounts directly to band 1370 Mounting Flate Wal MOUAL SEAS E 4939 MOUNTING Band Orto IN PIDO S ferte MET 9706100 WMOUNUNG Band TOF 18 1m let 9706200 MOUNUIRO ASANG Mio Meca MIO PIPE Sion 9706300 Mounting Band Lei 24 A o LOL LEA 9706400 Page 137 Parts fm Parts and Accessories Parts and Accessories Mounting Bandfor 27 Metodo 9706500 Mounting Band TOF SON il 9706600 Mounting Band Wie IMPIDE a eom 9706700 MOUNN Band or le EE PIPES centrado o DLL EP 9706800 Mounting Band Bie m Ee E le 9706900
51. 0 the request would have to be for an even number of registers for the meter to respond Problem 980 Flow Meter does not respond to any Modbus message requests Note It is imperative that the DTR be asserted prior to the communication session and that it remains asserted throughout the entire communication session 980Scada fm Response Check the DTR Signal Line The 980 Flow Meter will not respond to any Modbus messages until the device connected to the RS232 port asserts raises the DTR line DB 9 Pin 4 on the 1727 cable Response Check the Baud Rate The baud rate of the 980 Flow Meter is configured from 1200 19 200 and must match the baud rate of the device communicating with the meter Response Check the Communication Parameters The communications parameters of the 980 Flow Meter meter are fixed except for the baud rate and can not be changed The device communicating with the flow meter must be configured with the exact same communication parameters as the meter These parameters are as follows e 7 Data Bits e 1 Stop bit e 1 Start bit e Even parity Response Check the Modbus Device Address assigned to the 980 Flow Meter Modbus devices including the 980 Flow Meter have a unique configured device address in the range of 1 to 247 This address is embedded in the first two characters of the Modbus message The flow meter will only respond to messages encoded with the same address as the meter If the meter receiv
52. 0 Flow Meter responds to some Modbus messages but not all Response Check the Register Addresses The flow meter will only respond to valid Modbus message requests If a Modbus message sent to the flow meter asks for stored register addresses for values that are outside of the address range currently supported by the meter the meter will ignore the request The flow meter currently only supports register addresses 40001 through 40083 Consequently a request to read the value in any register address greater then 40083 will be ignored If a range of registers is requested and that range includes register addresses greater then 40083 the entire request will be ignored Response Check the number of registers being polled Additionally the 980 Flow Meter checks all Modbus messages to see if the correct number of registers is requested for the type of data being returned The meter will ignore the request if the number of registers requested does not coincide with the correct number of registers needed to accurately display the data For example Velocity is a floating point value stored in register 40009 40010 Because all floating point values require two registers the meter would ignore a request to read just the data in register 40009 yet it would respond correctly to a request to read the data stored in both registers 40009 AND 40010 Consequently if the meter received a single request to read both Level 40007 40008 and Velocity 40009 4001
53. 0 inches 152 4 mm 8 00 inches 203 2 mm _ 10 00 inches 254 mm 11 88 inches 301 7 mm 2 3 Mounting Options The 980 Flow Meter is designed for wall or rail pole mounting Wall mounting dimensions and hole patterns are found in Figure 7 For optimal viewing of the the front panel display mount the instrument facing north to eliminate glare from the sun Page 23 Installation2 fm Mounting Options Section 2 Figure 7 Mounting Dimensions 3 of 3 209 5 mm 8 25 inches 309 mm 12 18 inches 3 6 mm 14 80 inches Mounting Blocks 4 NO TN 139 mm 5 5 inches 240 mm 9 45 inches 301 5 mm 11 87 inches 2 3 1 Wall Mounting Mount the 980 Flow Meter using the Wall Mounting Blocks that come installed on the unit see Figure 7 These brackets provide secure mounting for the instrument To wall mount the 980 Flow Meter use four 14 20 screws Refer to Figure 8 Page 24 Mounting Options Installation2 fm Figure 8 Wall Mounting RO Section 2 v 1 14 20 screws 4 2 3 2 Rail Pole Mounting Installation2 fm 0 g A gt p V Mount the 980 Flow Meter using the rail pole mounting kit Cat No 97091 00 1 Determine if the brackets need to be placed horizontally or vertically depending on the direction of the rail pole Refer to Figure 9 Tap the four brass in
54. 1 Main Menu DISPLAY DATA SETUP OPTIONS STATUS READY TO START 3 2 Basic Programming Note To make changes to the Basic programming setup must be performed in its entirety after the program entries after the basic instrument is installed Refer to the 980 Quick Start Guides on page 133 for programming setup press the more information The basic program setup will modify all items MAIN MENU key and select SETUP MODIFY SELECTED ITEMS Highlight the program e Flow Units e Site ID entry using the UP and DOWN keys l EN e Primary Devices e Velocity Direction e Program Lock e Velocity Units e Sampler Pacing e Velocity Cutoff Velocity Default Step 1 Setup 1 A Press SETUP from the Main Menu to prepare the flow meter for use Page 53 BasicStartUp fm Basic Programming Setup Section 3 1 B Press MODIFY ALL ITEMS and press ACCEPT to begin setting up the flow units 11 00 AM 21 APR 01 Main Menu DISPLAY DATA SETUP OPTIONS STATUS READY TO START 11 00 AM 21 APR 01 Main Menu MODIFY oe ALL ITEMS REVIEW ALL MODIFY ITEMS SELECTED ITEMS READY TO START Step 2 Flow Units Note Different flow units can be 2 A From the Modify All Items screen highlight Flow Units using the UP and selected in the Sampler Pacing DOWN keys Press SELECT programming section see section 4 6 1 on page 68 2 B Press CHANGE CHOICE to cycle through the flow unit choices Refer to Table 17 for flow unit cho
55. 20 mA dc wiring or TB9 for voltage wiring See Figure 14 Refer to Table 3 and Table 4 6 When wiring the cable sheild connect to protective earth ground at the 980 Flow Meter Do not connect the cable shield at the remote end of the cable Cut the cable jacket far enough back to expose the conductors Remove the shield by cutting it even with the cable jacket Insulate the remaining exposed shield with tape or heat shrink tubing There are a total of seven analog input channels available on the 980 Flow Meter These inputs accept 4 20 mA dc or 4 5 to 4 5 V dc analog signals They can be logged and graphed and can also be used to trigger alarms cause set point samples and control 4 20 mA outputs Installation2 fm Section 2 Table 3 Analog Input 4 20 mA dc Terminal Block Connections TB4 Signal Description 4 20 mA dc Table 4 Analog Input Voltage Terminal Block Connections TB9 ve 4 5 to 44 5 V dc 4 5 to 44 5 V dc 4 5 to 44 5 V dc Page 33 Installation2 fm Wiring the Analog Input Section 2 Figure 14 Locating TB4 and TB9 for Analog Input Connections ON ON TB9 ANALOG CH 4 COMMON SHIELD CH 1 CH 5 COMMON COMMON SHIELD SHIELD CH 2 CH 6 COMMON COMMON SHIELD
56. 3 Submerged Area Velocity Senso Said ic aia 87 4 13 1 Programming the Submerged Area Velocity Sensor ooocccccconccccccnnccnncnnnccnnnonancncnonancnnnonancrnnnonancnnnnnncinoss 87 4 13 2 Calibrating the Submerged Area Velocity Gensor nennen nnne nnn nnns 88 4 13 3 Installing a Submerged Area Velocity Sensor mae 89 MAINTENANCE EE 91 Section 5 Maintenance oni oH nnda A Ime UD 93 S TRouuneMalntelali EE 93 e ENEE mM Tr 93 suec iieh 29 l cet tL E m 93 5 2 Upgrades Repairs General Maintenance nennen nenne nnne nenne nnne nnne sese ansa sns a nis 93 S2 Mena MAINE eier EE 93 5 2120 pening ihe FrenbPallels EE 93 po FUSE REPIICEME E e ee 93 5S4 MEMO Bates toss uti Tu equ Merit scia ooa teskactamt ee 94 5 5 RE e enee E ue 95 5 6 Cleaning and Maintaining Submerged Area Velocity Sensors eee 95 5 6 1 Submerged Area Velocity Sensor Cleaning Procedure eene 95 5 0 2 Changing tne Desiant eR E 96 5 6 3 Desiccant Replacement Procedure eene nnnn nnn nne sese nna ranas r serais 96 5 6 4 Hydrophobic Filter D redolet c M PR 97 5 6 5 Hydrophobic Filter Replacement Procedure eee nnn nnn nnns 97 Appendix A Troubleshooting Measurement Errors esses nnne enne nnns nnn 99 Troubleshooting Measurement Errors From Electromagnetic Fields oocccconncconcococcnconcnconcncnnnnnonanonnnnnnos 99 Appendix B Programming Eeslles EE
57. 5 to 120 Angle of notch in degrees 22 5 120 notch depth in inches rectangular width in inches 0 120 in or 0 304 cm Contracted or non contracted Compound V Notch Table 21 Flume Choices Parshall Flume size in inches 1 2 3 6 9 12 18 24 30 36 48 60 72 84 96 108 120 or 144 in Trapezoidal Flume size 60 S 60 L 60 XL 45 2 45 12 H Type Flume size in feet 0 5 0 75 1 0 1 5 2 0 2 5 3 0 or 4 5 ft HL Type Flume size in feet 3 5 4 0 HS Type Flume size in feet 0 4 0 6 0 8 or 1 0 ft Leopold Lagco Flume size in inches 4 6 8 10 12 15 18 20 21 24 27 30 36 42 48 54 60 66 or 72 in Palmer Bowlus Flume size in inches 4 6 8 10 12 15 18 21 24 27 30 36 42 48 60 or 72 in Table 22 Other Primary Devices Head Vs Flow Enter up to two tables of up to 100 user defined head vs flow points two head vs flow Head 0 99 99 in feet or centimeters tables are provided Flow 0 99999 99 in any desired units Enter pipe diameter slope amp roughness coefficient Pipe dia 4 240 in or 101 6096 cm Manning Equation Percent Slope 0 001 1 00 1 unit per hundred units 0 01 slope Example 1 m of decline every 100 m 0 01 slope Manning Roughness Circular Pipe Enter pipe dia 4 240 in 10 610 cm Rectangular Channel Enter width 4 999 99 in 10 2540 cm Area Velocity Trapezoidal Channel Enter width of channel bottom width of channel top and
58. AA A 67 F COUTO ee 36 66 A sci mee e hace eat 66 FOC Requirements oo cece 144 Always EE 86 Flow RUE 54 101 Analog Input PONE EE 14 93 Programming EEN 64 Function Keys de ts 15 WINO A N 32 S NN 93 B G Basic Programming Setup ss 53 Graph Display Averaging 103 Graph Manipulation eesseeesse 102 C Calibration H 42O TEE 62 Hydrophobic Filter eese eee 97 Downlook Ultrasonic Sensor 77 o LEE 97 In Pipe Ultrasonic Sensor 81 EISE e A 70 Submereged Area Velocity Sensor 88 Veleu 6 ln E 83 In Pipe Ultrasonic Sensor EE 79 SEU dude du MEL init 95 Beam Angle eee 81 Communication Capabilities 16 Pra A TO gna af Confined Space Entry 8 Programming o oo 81 Convection Currents ENEE 79 EU eege ege 45 Customer Supplied Equipment ess 21 hc MW 21 Instrument Description 13 D ITROGUGTION TE 13 Bc I ETE 105 106 Invisible Range eeen 79 Data LOG dne e E Tau E atu 64 Demonstration Graph cccccccseeeeeseeeeeeeeseeeaees 108 K Desiccant Cartridge sss 90 Key m 15 Desiccant Replacement En 96 Keypad DEE 107 DIAQNOSUCS E 107 Display Data cuerno atout 101 L Selecting the Channel en 101 LOD EST qeu 108 tabular ane arapa A Wi Level
59. ACCEPT to continue Page 65 Mechanical Totalizer Section 4 4 3 1 2 Reset Totalizer Note The mechanical totalizer cannot be reset manually Note If any type of condition occurs both the resettable and the non resettable totalizers are reset The resettable totalizer can be used to total flow over a finite period and can be reset as often as desired without affecting the other totalizers 4 4 Alarm Relays The non resettable totalizer will only reset if one of these conditions occur Change in totalizer scaling e Change in primary device Change in totalizer units of measure e Start of new program Select Reset from the Totalizer menu A confirmation message will appear Press YES to reset or press NO not to reset the totalizer To reset both software totalizers at once start a program with RUN STOP View Totals To view the current totals of both the resettable and non resettable totalizers press VIEW TOTALS from the Totalizer menu Both totalizer values will appear 4 4 1 Programming the Alarm Relays Trouble and set point alarms can be programmed to activate based on certain conditions low battery low memory etc Refer to 980 Quick Start Guides on page 133 When an alarm is tripped an action is initiated report via modem dial a pager or set a relay 4 4 1 1 Trouble Alarms Page 66 Alarm Relays Trouble Alarms initiate an action when a trouble condition occurs For example a relay may close when the
60. AI Eet EE 68 4 01 Programming the Hee ET 68 A E E a a a 68 4 6 1 Programming a Sampler Connection cccccccccssceceeesecceeseeceeeeccceusecceseecsagecesauseesegeeessageessageeesnseeseaes 68 d S292 EEN 68 4 7 1 Programming ihe RS2323 EEN 68 O MOE er NE TO mm 69 lll EE 69 LOOR SENSO sse o o PP 70 4 9 T Programming the PH E EE 70 4 9 2 Galbratind ne PH Sensorial aa 70 4 10 Dowhlook Ultrasonic Senso usas aii 71 4 10 1 Installing an Ultrasonic Sensor at a Primary Device nennen 71 4 10 2 Ultrasonic Senor Downlook Installation Troubleshooting ccoccccoccnccccnccocnoconcnconcnonnnnnnnnncnonnonannonos 76 4 10 3 Programming the Downlook Ultrasonic Sensor sees eene nnne nnns 77 4 10 4 Calibrating the Downlook Ultrasonic Sensor nennen nnne nnns 77 411 TIasPIpe Ultrasonie Sells ee EE e Lo eo 79 4 11 1 Mounting the InsPIpe SENSO EE 79 A ue E 81 4 11 3 Programming the In Pipe Ultrasonic Sensor nennen nnns 81 4 11 4 Calibrating the In Pipe Ultrasonic Gensor enne nnnm 81 4 11 5 Protecting the In Pipe Ultrasonic Gensor eene nnne nnne nnne nnns 82 4 11 6 In Pipe Ultrasonic Sensor Troubleshootng nennen 82 12 Veloci ONV SENSO gege E EO 83 4 12 1 Programming the Velocity Only Gensor nennen enne nnne nans nannten nnns 83 Page 4 Table of Contents 970ESTOC fm Table of Contents 4 12 2 Calibrating the Velocity Only Sensor nennen nnne nnn nne nnns unen sinas nnne anres 83 4 12 3 Installing the Velocity Only Sensor in a pe 84 4 1
61. Alarms Fixed alarms Table 31 show the On Off status associated with the alarm For instance U sonic Echo Loss On at some time date will appear When the condition ends U sonic Echo Loss Off will appear Table 31 Event Log Fixed Alarms MEMORY BATTERY Internal memory battery is low MODEM FAILURE Modem chip modem board failure Channel Alarms Channel alarms show the value that caused the alarm to occur or go away and show a status ON OFF to indicate if the alarm occurred or went away at that time date Event log channel alarms include e Level e Flow e Flow Rate Of Chg e pH e Rainfall e CH5 e CH1 e CH6 e CH2 e CH7 e CH3 e Velocity e CH4 e Temperature In the 980 Flow Meter set point sampling allows the control of an automatic liquid sampler from up to 14 different sources individually or simultaneously Upon reaching a user defined set point trigger the flow meter provides an output signal at the Sampler interface see Wiring the Sampler on page 38 for details on the sampler interface This signal can be used to tell a sampler such as the Model 900 Sampler that a set point condition has been reached and samples should be taken Set Point sampling defines a set of limits that inhibit sampling until an upset condition occurs causing the limits to be exceeded In this manner time and money and collecting and testing samples that are within limits is not wasted because sampling is enabled only when the waste stream fa
62. Catalog Number 97000 18 Sigma 980 Flow Meter INSTRUMENT MANUAL 05 03 5ed D Catalog Number 97000 18 Model 980 Flow Meter INSTRUMENT MANUAL Hach Company 2002 2003 All rights reserved Printed in the U S A eac dp 05 03 5ed Visit http www bach com Table of Contents Sale Elei 7 lar Te Orc E 9 Section MMEFOCU GE OM EE 13 A PP E 13 1 2 Front Panebreatures and onto Sind ida 14 163 Keypad I eget EE 15 TAS LIC UIC Crystal DISPO aio ai dolia 15 O A 16 INSTALLATION mm 19 Section 2 InstallallOl EE 21 2 T1 Gustormer suppli d Be UI el EE 21 2 2 Unpacking the Nns rane EE 21 22 Mist igo ADD IIC ANIONS ce M 21 23 MOUNN Bleid 23 23 VWN Me a le Le EE 24 2322 mall eae ld Le eR A isa 25 2 4 Wiring eate ItormatON untada dd 27 Electrostatic Discharge ESD Considerations nennen nnne nnn nnn nnns 27 2 SWINE de edel t x cR 27 2 5 1 Connecting ac Power to the 980 Flow Meter 28 RAN te f ie lei aie C 30 2 7 Wiking the 4 20 MA Qi ips da n 30 ZO VVINING A O 32 2 9 Wiring the Mechanical TotaliZer ek 34 2 10 Wining ING Alarm Rei VS EE Ee 35 2 EW m Ran Galdar iii 37 SEELEN 38 2 19 EENHEETEN 39 2 14 Wiring the Modem Interface 41 215 WINO the O a a 42 ZO Dr SUNCHONM Box TO IAS A e e tet aout ous te id 42 2152 PH Frobe TO JUNCUION BOX R
63. Certification FCC Requirements Page 144 Certification designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense The following techniques of reducing the interference problems are applied easily 1 Disconnect the 980 Flow Meter from its power source to verify that it is or is not the source of the interference 2 Ifthe 980 Flow Meter is connected into the same outlet as the device with which it is interfering try another outlet 3 Move the 980 Flow Meter away from the device receiving the interference 4 Reposition the receiving antenna for the device receiving the interference 5 Try combinations of the above 1 The Federal Communications Commission FCC has established Rules which permit this device to be directly connected to the telephone network Standardized jacks are used for these connections This equipment should not be used on party lines or coin lines 2 If this device is malfunctioning it may also be causing harm to the telephone network this device should be disconne
64. DO meter puts out an analog signal which ranges from 1 V dc to 3 V dc which is equivalent to O to 500 ppm The DO meter is connected to Channel 4 and logs readings from the DO meter occur once per minute To configure data logging for this example follow the steps below 1 Select Data Log from the Advanced Options menu 2 Highlight Select Inputs using the UP and DOWN keys Press SELECT 3 Highlight the analog channel to log Channel 4 using the UP and DOWN keys then press SELECT 4 Press CHANGE CHOICE to select Logged then press ACCEPT 5 Enter a 1 minute logging interval then press ACCEPT Setup fm Section 4 6 Press CHANGE CHOICE to cycle through the units of measure until ppm is displayed Press ACCEPT 7 Apply a voltage to the desired analog input which corresponds to 0 ppm or 1 V dc Enter O ppm and press ACCEPT 8 Apply a voltage to the same analog input that corresponds to 500 ppm or 3 V dc Enter 500 ppm using the numeric keypad and press ACCEPT to complete the analog channel setup 4 3 Mechanical Totalizer 4 3 1 Programming the Mechanical Totalizer 4 3 1 1 Modify Setup Setup fm The Mechanical Totalizer consists of two numeric counters that keep track of the total flow being measured The totalizers consist of a resettable totalizer and a non resettable totalizer Both totalizers are set to zero upon program start Scaling multipliers are provided to allow tailoring of the totalizer respon
65. ENTER 0 247 The function code field of an ASCII message frame ranging from 1 to 255 decimals consists of two characters that represent the type of action the master is requesting from the slave Of these functions the 980 Flow Meter currently supports function 3 Read Holding Registers When a message is sent from the master to a slave device the function field tells the slave what kind of action to perform For example this may include reading the channel values of Level and Velocity When the slave responds to the master it echoes the function code field to indicate a normal response In the event of an error such as parity error LRC error or a request that cannot be handled the slave will not respond and the master will eventually process a time out condition The data field of an ASCII message frame consists of n pairs of ASCII characters that represent data sent to or from a slave device flow meter The data field contained in the master request contains additional information that is required by the slave before any action takes place This may include channel register addresses the number of registers to read and the actual byte count in the data field For example if a master requests that the flow meter read the current status of a group of channels function code 03 the data field specifies the starting register and how many registers are to be read If no error occurs the data field of the response from the meter to the
66. ETE m m 44 2 16 Wiring the Downlook Ultrasonic Gensor ennnen 44 2 17 Wiring the In Pipe Ultrasonic Sensor iia ia A A 45 2 18 Wiring the velocity Only SeriSOL s snogeas tutu a add lia ON At 46 219 1 Bale Eead Sensor e 46 2 18 2 Velocity Only Sensor Cable Outck Connect 47 2 19 Wiring the Submerged Area Velocity Gensor eese nnne nnne sanari 48 2 19 1 Baro Lead Sensor e 48 2 19 2 Submerged Area Velocity Sensor Cable Outck Connect 50 OPERATION BE 51 Page 3 970ESTOC fm Table of Contents Table of Contents Section 3 Basic Programming Setup hii otto oo di ah utu ics eden fudit diea 53 Set les eblered ir EN 53 o ba Basic EEGENEN 53 A E 53 SS i i OW ING EE 54 Step WR a TEE 55 p Os DEVIE A T TE 55 Step Se Program eer 57 SENG Sampler PACINO EE 57 RER KEE 57 SR RRE NN Flow Conan ne T E 58 Step 9 Velocity Direction only when logging velocity oocccooonccoccncccccocncononoconancnnnnnnnnnnannconancnnnononennnnnnos 58 3 3 otarihg and Stoppibd PEOSEIatfiS EE 59 section 4 External Device Setup uri ee es 61 A 14 20 MA Te EE 61 4 1 1 Programming the 4 20 mA Output id A se dt EON 61 4 1 2 Calibrating the 4 20 mA Output EE 62 A2 ANAO NU sa N 64 4 2 T FProgramrmiguienalog NOUNS wr os 64 o Mechanical Totalize PP EE TM EP 65 4 3 1 Programming the Mechanical Iotaltzer esses 65 AAAA A a 66 4 4 POGAm MING Ne Alam Relay EE 66 A S
67. IBRATION gt SUBMERGED PROBE Place the sensor flat on a table top or floor with the sensor the plate with holes facing down onto the surface Figure 45 Press any key Setup fm Section 4 4 Place the sensor face up in the bucket or liquid Tap lightly to remove air bubbles If these bubbles are not removed you can receive false readings from the sensor during calibration Figure 45 Note Always check the Level 5 Place the sensor face down under at least 7 in 20 cm of water Make Adjust when reinstalling the flow sure the water surface is calm and the probe is stable meter following a calibration See Keypad Description on page 15 6 Press any key 7 Measure the depth from the bottom of the bucket to the surface of the water and enter the value using the numeric keypad Figure 45 8 Press the ACCEPT soft key Figure 45 Calibrating the Submerged Area Velocity Sensor P Bee 4 13 3 Installing a Submerged Area Velocity Sensor in a Pipe 4 13 3 1 Important Guidelines for Submerged Area Velocity Sensor Installation Installing the submerged area velocity sensor follows the same instruction as the velocity only sensor Refer to Installing the Velocity Only Sensor in a Pipe on page 84 Page 89 Setup fm Submerged Area Velocity Sensors Visit http www bach com D MAINTENANCE DANGER Some of the following manual sections contain information in the form of warnings cautions and notes that require
68. Loveland Colorado 80539 0389 U S A Telephone 1 800 635 4567 or 970 669 3050 Fax 970 669 2932 Page 139 End fm Contact Information for U S A and Outside Europe Contact Information for Europe Belgium Lange Group Ragheno Business Center 2 Motstraat 54 B 2800 Mechelen Tel 32 0 15 42 35 00 Fax 32 0 15 41 61 20 email info 9langegroup be Germany TCS amp Service Dr Bruno Lange GmbH amp CO KG Willst tterstr 11 D 40549 D sseldorf Tel 49 0 211 52 88 0 Fax 49 0 211 52 88 143 email kundenservice drlange de www drlange com Spain NEURTEK M A LANGE GROUP c Araba 45 Apdo 220 E 20800 ZARAUZ Tel 34 943 894 379 Fax 34 943 130 241 email info 9 drlange com www drlange com Great Britain Dr Lange UK Ltd Lennox Road GB Basingstoke Hampshire RG22 4AP Tel 44 0 12 56 33 34 03 Fax 44 0 12 56 33 07 24 email info 9 drlange co uk www drlange co uk Sweden Dr Lange AB LAB Products Box 9008 S 40091 G tebord Tel 46 31 28 50 50 Fax 46 31 28 50 39 email info lange se www lange se Page 140 Contact Information for Europe Denmark Dr Lange Danmark A S Jernhoolmen 34 40 DK 2650 Hvidovre Tel 45 0 36 77 2911 Fax 45 0 36 77 4911 email drlange drlange dk www drlange de Germany Ordering Dr Bruno Lange GmbH amp CO KG K nigsweg 10 D 14163 Berlin Tel 49 0 30 80 98 60 Fax 49 0 30 80 98 62 70 www drla
69. Mounting Ring 10 with integral in pipe sensor mounting clip and velocity sensor mounting holes 4023 Mounting Ring 12 with integral in pipe sensor mounting clip and velocity sensor mounting holes 4024 Keppler Submerged Depth Velocity Sensor eo Ee de T00 tm ID PE 9702400 peo A o a E E 9702500 Keppler Submerged Depth Velocity Sensor 0 10 with connector oocccconccnccnccnncnnccncnnnnnnnnncononarononncnnnoncnnnnns 9701600 Keppler Submerged Depth Velocity Sensor 0 10 with bare leads cccceeccsscceceeeeceeeeseeeeseeeeeaeeeeeeeessaees 9701700 Keppler Submerged Depth Velocity Sensor 0 30 with connector ooccccooccnconcconcnnconcnnncncnnncnnonanonononennnoncnnnnos 9701800 Keppler Submerged Depth Velocity Sensor 0 30 with bare leads essere 9701900 Submerged Depth Velocity Sensor Cable Submerged Depth Velocity Sensors max length 100 9702400 Junction Box Submerged Depth Velocity Sensors ccccseccccseeeeeeeeeeeeaeeeeeeaueeesaaeeeeaeueeeseueeessaeeesaeeeesaeeeens 9702500 Submerged Depth Velocity Sensor 0 10 with connector nennen nnns 9701200 OUICK CONMEGCE el EE 9702700 Submerged Depth Velocity Sensor 0 30 with connector nennen nnns 9701400 BT Gelesen 9702700 Submerged Depth Velocity Sensor 0 10 with bare leads nnns 9701300 Submerged Depth Velocity Sensor 0 30 with bare leads nenne 9701500 Ultrasonic Sensor Cable Standard Length 5000 e c 970230
70. SHIELD CH 3 CH 7 28 4 5678 9 10 11 12 COMMON COMMON SHIELD SHIELD No Connection 2 9 A Wiring the Mechanical Totalizer Note Use NEMA approved conduit 1 Disconnect all power to the 980 Flow Meter Refer to Wiring Safety hubs Cat No 16483 to ensure Information on page 27 that water and dust do not enter the enclosure 2 Use a large flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Open the cover 3 Strip the insulation from the mechanical totalizer leads 1 4 inch 4 Attach a NEMA approved conduit or compression fitting to one of the Ve in openings on the bottom of the instrument and route the cable wires through this opening 5 Connect wires to the proper terminal block connection TB7 shown in Table 5 and Figure 15 Table 5 Mechanical Totalizer Terminal Block Connections TB7 Page 34 Wiring the Mechanical Totalizer Installation2 fm Section 2 Figure 15 Locating TB7 for Mechanical Totalizer Connection ON ON TOTALIZER TB7 No Connection 2 10 A Wiring the Alarm Relays DANGER The alarm wiring can be sized according to the load being used The relay The relay connection area is connector will accept wire sizes from 18 AWG to 12 AWG Do not use wire designed for only high voltage smaller than 18 AWG
71. Select total flow units AF CF GAL LTR M3 Enter sensor height Flow Totalizer Reset Reset totalizer Yes or No View Totals Resettable Total Non resettable total oia Select condition level flow flow rate or Select high or low Enable Set high or low trip point deadband H SS change pH Temp etc condition Disable and time interval Enable Disable Select Rain level rain or level rain and level Enter start conditions rate of rain and or level Page 133 970ESQuickStart fm 980 Quick Start Guides Visit http www bach com D GENERAL INFORMATION At Hach Company customer service is an important part of every product we make With that in mind we have compiled the following information for your convenience Page 135 Geninfo fm GENERAL INFORMATION Visit http www bach com Parts and Accessories Logger Mounting Accessories Description Part Number Rail Pole MOUPLHt NEE 9709100 Wall MOUNTING EE m EE 4424700 Sensors and Accessories for Use with the 980 Flow Meter In Pipe Ultrasonic Sensor Mounting Accessories Mounting Band Set tor 15 42 e EE 3766 Mounting Clip for use with Cat No 276 3868 Mounting Clip permanent screws to channel wall 3875 Mounting Ring 6 with integral in pipe sensor mounting clip and velocity sensor mounting holes 4021 Mounting Ring 8 with integral in pipe sensor mounting clip and velocity sensor mounting holes 4022
72. TOP to run a program resume a currently halted program or stop a program If a program has been halted and no changes to the program settings were made while it was stopped press RUN Select either resume to previously running program and retain all logged data or Start From Beginning and clear all logged data Program is Running Data Logging 4 20 mA outputs sampler control and alarm checking are active Program is Halted Logging stops unit the program is restarted It continues with the last logged value when restarted 4 20 mA outputs remain unchanged Sampler control is disabled Alarm checking is disabled Program is Complete or Ready to Start No data logging 4 20 mA outputs stay at last value No sampler interface No alarm checking Program Complete A logger has been off for longer than three hours BasicStartUp fm Page 59 Starting and Stopping Programs Visit http www bach com Section 4 e 4 20 mA Outputs section 4 1 e Analog Connection section 4 2 External Device Setup After wiring the instrument and other devices and performing the basic programming setup program and when necessary calibrate the devices For each sensor program calibrate and install the sensors in a pipe Refer to the 980 Quick Start Guides on page 133 for more information on programming and calibration The following external devices are explained in Section 4 e Modem Interface section 4 8 e pH S
73. Terminal Block Connections TB3 orange common yellow 5Vdc green Figure 21 Junction Box to Instrument No y e rei e y Ya Qus SS lee Page 43 Installation2 fm Wiring the pH Sensor Section 2 2 15 2 A pH Probe to Junction Box Note pH sensor wire connections To connect the pH Sensor to the pH Junction Box are found inside the junction box cover 1 Remove the four hold down screws and nylon taper seals on the cover of the pH junction box with a Phillips head screwdriver Remove the cover 2 Loosen the compression fitting and route the pH sensor cable through the fitting Pull the cable into the junction box Note Pull excess slack cable out of 3 Connect the pH sensor wires to the screw terminals Refer to Figure 22 the junction box and tighten the compression fitting on the box 4 Replace the cover the cover gasket and the nylon taper seals on all four screws Figure 22 pH Probe to Junction Box GND REF RTD RTD O SHLD pH 1 Pre wired strain relief 2 Compression Fitting 3 pH Probe Cable NEMA approved strain relief 2 16 A Wiring the Downlook Ultrasonic Sensor Note To ensure protection against 1 Disconnect all power to the 980 Refer to Wiring Safety Information on electrical shock reinstall cover over page 27 sensor terminal connection 2 Usealarge flat blade screwdriver to loosen the two screws securing the 980 cover Open the cover 3 Remove the pro
74. adband in the sensor housing Measurement uncertainty increases to 0 85 m 0 028 ft for a 60 cm 2 ft change in level from the calibration point Use this method only if the Liquid Depth method is not an option Continue from Step 8 above 1 Measure the distance from the bottom of the sensor to the zero flow point Add 18 2 cm 7 17 in to the measured distance to obtain the total zero flow distance for the in pipe sensor 2 Select the Sensor Height calibration method and enter the total zero flow distance from Step 1 Press ACCEPT when finished 4 11 4 3 Setting the Invisible Range Note When programming the invisible range 18 21 cm 7 17 in must be added to the desired range to compensate for the internal deadband distance between the sensor the reflector and the bottom of the sensor housing The 980 Flow Meter is equipped with an invisible range feature to prevent false echoes from tops of channel walls ladder rungs shelves etc A user selected range is defined that is invisible to the flow meter Extend the invisible range to where it meets or overlaps the highest expected level in the channel Have a gap of at least 2 in 5 cm between the invisible range and the highest expected level Only objects beyond the invisible range can be detected 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS CALIBRATION ULTRASONIC SENSOR 2 Select the Invisible Range option using the UP and DOWN keys Press SELECT to
75. age 113 Programming Worksheet Appendix C 5 Enable SAMPLER PACING Y N Flow interval _ Flow unit of measure 6 Entera SITE IDENTIFICATION 7 Enter unit of measure for TOTAL FLOW acre feet cubic feet gallons liters cubic meters Applies to velocity models only 8 Enter the VELOCITY DIRECTION Upstream normal Downstream or Always Positive 9 Enter the VELOCITY UNITS fps or m s 10 Enter the VELOCITY CUTOFF Cutoff value Default Value OPTIONS MENU From the Main Menu select OPTIONS 1 Set Time amp Date 2 Level Sensor Ultrasonic or Submerged Sensor ADVANCED OPTIONS MENU From the Main Menu select OPTIONS gt ADVANCED OPTIONS 1 Setup 4 20 ma Outputs if desired 2 Setup ALARMS if desired Page 114 Programming Worksheet ProgrammingAppendix fm Appendix C 3 Calibrate inputs as needed chk 4 Communications Setup If modem is enabled ACCEPT any baud rate displayed Modem will independently establish actual baud rate between 1200 and 14 400 Pager Phone Numbers if enabled Pager Service Pager 1 Pager 2 Pager 3 Select Baud Rate for RS232 1200 2400 4800 9600 19200 5 Configure DATA LOGGING for each desired channel Channel Name Analog Channel Signal Description Logged Y N Units Logging Interval min wum 1 1 1 EI o Ll Wege Lo coL memes 1 0 LO Butt 01 7 7 7 1 1 pum L 4d L1 1 e
76. ard dial up public Use care when making modem telephone line This interface can also be used for the SCADA Modbus connections as high voltage may interface See Appendix D on page 117 be present on the phone wires DANGER The Load Number LN assigned to each terminal device denotes the Users should not attempt to make percentage of the total load to be connected to a telephone loop which is used electrical connections by the device to prevent overloading The termination on a loop may consist of themselves but should contact any combination of devices subject only to the requirement that the total of the the appropriate electric inspection authority or electrician as appropriate Load Numbers of all the devices does not exceed 100 1 Disconnect all power to the 980 Flow Meter See warning in Wiring Safety Information on page 27 2 Usealarge flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Open the cover 3 Usea Phillips screwdriver to remove the modem terminal protective cover See Figure 20 Note Route wires through 4 Attach a NEMA approved conduit or compression fitting to one of the NEMA approved conduit hubs Y2 in openings on the bottom of the instrument and route the modem Cat No 16483 to ensure cable wires through this opening that water and dust do not enter the enclosure 5 Strip insulation Y in from the modem leads 6 Connect wires to the proper screw terminal block TB2
77. are enabled Press ACCEPT 5 Press CHANGE CHOICE to enable or disable the pager option Press ACCEPT 6 Enter the Pager Service Number Press ACCEPT 7 Enter the amount of pagers Press ACCEPT 8 Enter up to three pager numbers Press ACCEPT 9 Use CHANGE CHOICE to set the Reporting Order Modem only pager only pager then modem modem then pager Press ACCEPT Page 69 Setup fm Modem Interface Section 4 4 9 pH Sensor Modem power must be enabled and the unit must be in running mode before the meter can answer calls from InSight or VISION software to download data access remote program etc pH sensor function degrades over time even under ideal conditions and therefore require periodic replacement The pre amplifier junction box is provided to allow for fast easy replacement of the pH sensor For extra strain relief the pH cable that leads to the instrument should pass through the water tight strain relief adapter Since the pH reading must be compensated for temperature variations a temperature sensor is built into every pH electrode After installation the pH sensor must be programmed and calibrated 4 9 1 Programming the pH Sensor Note If logging is enabled on any channel an arrow in front of the channel name will appear to signify that the channel is logged 1 From the Main Menu Select OPTIONS gt ADVANCED OPTIONS gt DATALOG 2 Highlight Select Inputs using the UP and DOWN and press SELECT 3 Highl
78. ash Memory technology Overview fm Section 1 The 980 Flow Meter also provides SCADA Communication Interface functionality using the Modbus ASCII protocol This software protocol communicates with the instrument via an RS232 or modem connection Using our InSight data analysis software users can download remotely program view real time current status of logged parameters and conduct other data manipulation via RS232 connection or the optional modem To protect the meter s functionality and data an operator may set up password security access to the meter using the front panel keypad Figure 3 Communication Capabilities a 0 RS 232 Connector E E P N MT O ULT UL TJ Sate u Ultrasonic Level AA EZ M ZE E ZE E E AAA M AS Page 17 Overview fm Principle Operation Visit http www bach com D INSTALLATION DANGER Some of the following manual sections contain information in the form of warnings cautions and notes that require special attention Read and follow these instructions carefully to avoid personal injury and damage to the instrument Only personnel qualified to do so should conduct the installation maintenance tasks described in this portion of the manual DANGER Certains des chapitres suivants de ce mode d emploi contiennent des informations sous la forme d avertissement
79. at No 1533 4 12 3 3 Connecting the Sensor to the Mounting Bands Note lf there is a large amount of 1 silt in the bottom of the pipe rotate the band until the sensor is out of the silt Figure 41 assuring that the 2 sensor remains below the minimum expected water level at all times Silt should not be disturbed and must be measured frequently if entered into InSight software A Level Adjust is required to offset level sensors Page 84 Velocity Only Sensor Attach the sensor to the sensor mounting clip using the two screws provided See Figure 40 Attach the clip to the mounting band Mounting Rings come with pre drilled holes for direct mounting of the sensor to the ring To reduce the likelihood of debris collecting on the cable and mounting band route the cable along the edge of the band and fasten the cable to the mounting band with nylon wire ties See Figure 40 The cable should exit the tied area at or near the top of the pipe to keep it out of the flow stream Setup fm Section 4 Figure 40 Attaching the Sensor Mounting Band 1 Receptacle for Spring Clip 2 Velocity Sensor 3 Nylon Wire Ties Figure 41 Avoiding Silt when Mounting the Sensor Page 85 Setup fm Velocity Only Sensor Section 4 4 12 3 4 Compensating for Velocity Direction When programming the velocity sensors you may select one of three Velocity Direction options and the velocity cutoff velocity default Direction Descrip
80. ate alarm relay chatter which may occur if the turn on and turn off values are too close together Small fluctuations that occur when the reading is at or near the trip point can toggle an alarm relay on and off very rapidly In the pH example Figure 11 5 the Deadband is set to 0 10 pH When the pH reached 6 9 lower dashed line the alarm tripped but the alarm did not turn off until the pH came back up to 7 00 This difference is the Deadband setting which should be set according to the characteristics of the item being measured AppendxProgramFeatures fm Note You must log rainfall to use an alarm on a rainfall condition likewise you must log flow in order to implement an alarm on a flow rate of change If you forget you are reminded when the program begins Appendix B Four alarm relays are provided with SPDT Form C contacts The normally open normally closed and common contacts are on the terminal wiring board Multiple alarms can be enabled one at a time Multiple alarms can be assigned to individual trouble conditions to individual relays or assign to all the same relay Figure 11 5 Deadband Concept 7 60 7 7 40 pH 6 80 6 60 6 40 7 00 foe N TN NX 7 20 Dus i 3 ly Alarm Off d Deadband Alarm On uu Low Alarm Setpoint 6 9 pH Data Log Logging Intervals Note The Review All Items selection from the Setup menu indicates the max
81. ater The time it takes for this echo to return is directly related to the distance between the transducer and the surface water As the level in the flow stream increases the time it takes for the echo to return to the transducer decreases distance is shorter By continuously transmitting these pulses and timing the returning echoes the sensor measures the level of the liquid on the flow stream After measuring the level the microprocessor converts the level reading to a flow rate based on the user defined characteristics of the primary device 4 10 1 Installing an Ultrasonic Sensor at a Primary Device Note Do not suspend the sensor by the cable Only use appropriate mounting hardware Setup fm Site selection can greatly enhance system performance Several important factors should be considered when installing the ultrasonic sensor at any primary device Refer to Appendix A for more information on primary devices e Locate the ultrasonic sensor at the proper head measurement point for that primary device e Determine the appropriate sensor height Refer to Figure 33 on page 73 e Suspend the ultrasonic sensor over the center of the flow stream where there is the least surface turbulence e Mount the sensor to a stable secure location isolated from vibration Page 71 Downlook Ultrasonic Sensor Section 4 Figure 31 Ultrasonic Sensor ULT ULT RTD RTD Shield 4 10 1 1 Choosing the Appropriate Sensor Height
82. ation could conceivably take up to 12 seconds to respond to a SCADA RS232 Page 122 SCADA Modbus System Guidelines 980Scada fm Appendix D request Therefore the SCADA system must be designed to accommodate this potential communication lag For example in a Wonderware application running a Modbus ASCII DDE server the com port reply time out must be set to 12 seconds This is the amount of time that the meter will be given to reply to Modbus queries via this serial port Communication Handshaking The 980 Flow Meter contains minimal communication handshaking For the meter to identify an RS232 connection from an outside source and to keep the RS232 hardware active once communicating the Data Terminal Equipment DTE must assert and hold high the DTR line of the DB9 connector DSR of meter The 980 Flow Meter does not support RTS CTS hardware handshaking Note that DTE must be capable of handling a 12 second maximum response lag m Seene pin Besson pin Desenpton Data Carrier Detect DCD Data Terminal Ready DTR Request to Send RTS Received Data RD Signal Ground SG Clear to Send CTS Transmitted Data TD Data Set Ready DSR Ring Indicator Not used Complications with Floating Point Values The manufacturer s implementation of the Modbus protocol was based on the idea that we would enable our flow meters to emulate a Modicon Compact 984 PLC Consequently we follow the exact same format that Modicon
83. channel depth range for all 4 999 99 in 10 2540 cm U Shaped Channel Enter channel width 4 999 99 in 10 2540 cm L evel vs Area Table Enter up to two tables of up to 100 user defined level vs area points Level 0 999 9 in ft in m or cm two level vs aida Area 1 99999 99 in ft2 in 2 m or cm tables are provided Nozzle Enter nozzle diameter Page 56 Basic Programming BasicStartUp fm Section 3 Step 5 Program Lock Program Lock provides a protective passcode to keep unauthorized personnel from tampering with the keyboard When enabled and a user attempts to change the program a screen will ask them to enter a password The Program Lock password is set at the factory as 9800 and cannot be changed The meter can also be password locked to prevent remote access via RS232 or modem InSight software allows you to change this password 5 A From the Modify All Items screen highlight Program Lock using the UP and DOWN keys Press SELECT 5 B Press CHANGE CHOICE to Enable or Disable the program lock Press ACCEPT to continue to Sampler Pacing Step 6 Sampler Pacing 6 A From the Modify All Items screen highlight Sampler Pacing using the UP and DOWN keys Press SELECT 6 B Press CHANGE CHOICE to Enable Sampler Pacing 6 C Refer to Table 23 for flow unit choices for sampler pacing Table 23 Flow Unit Choices for Sample Pacing O ls 6 D Press ACCEPT to continue with Site ID
84. cifications Specifications are subject to change without notice 14 62 H x 11 88 W x 8 26 D 7 62 kg 16 80 Ib NEMA 4X IP 66 with front cover closed UV resistant Wall mount and Rail Pole mount Graphics Display Graphics Display Back lit liquid crystal display LCD 8 line x 40 character in text mode 64 x 240 pixels in graphics mode Displays level vs time flow vs time rainfall vs time pH and temperature Keypad 19 position sealed membrane switch with four soft keys functions defined by display Totalizers 8 digit resettable and 8 digit non resettable software Units ft gal mv liter acre ft Flumes Parshall Palmer Bowlus Leopold Lagco H HL HS Trapezoidal Weirs V notch Contracted Non contracted rectangular Thel mar Compound Cipolletti Compound V notch Manning Equation Round U Rectangular and Trapezoidal Channels Head vs Flow Two independent user entered look up tables of up to 100 points each Level only Inches feet centimeters meters Area Velocity Level area table circular pipe U shaped channel trapezoidal channel rectangular channel i 1 Power Equation Q K H K5H 2 Measurement Modes Smart Dynamic memory allocation automatically partitions memory to provide the maximum logging time No manual memory partitioning required Capacity Up to 456k bytes 402 days of level velocity and rainfall readings at 15 minute intervals plus 300 events Memory M
85. convection currents caused by sunlight or thermal gradients at the water ambient interface Foam on the liquid s surface may also cause echo loss Transducer Ringing Ringing can occur if the transducer is operating within the deadband Transducer ringing means that the transducer may not have finished transmitting a pulse of sound when the echo returned Sufficient distance between the sensor and the target will eliminate transducer ringing Problem Error Message Possible Causes and Solutions Check the connection between the flow meter and the sensor Check the sensor cable The cable may be cut or broken Ultrasonic Failure Recalibrate the sensor Look for unusual temperature or the inability for a new calibrated level No signal from sensor to be read Try a different sensor on the same flow meter to rule out instrument problems and try a different flow meter with the same sensor to rule out sensor problems Check for excessive foam on the water surface Foam may cause sound waves to be absorbed rather than reflected Check the sensor cable for cuts or nicks Check the connection between the flow meter and the sensor Echo Loss Flow meter is not getting a return signal from the sensor Try shielding the transducer from convection currents Make sure that the sensor is level The sensor must be level for proper return of the signal Hepeat the temperature calibration procedure If the unit reads extreme high or low temperatu
86. cted until the source of the problem can be determined and until repair has been made If this is not done the telephone company may temporarily disconnect service 3 The telephone company may make changes in its technical operations and procedures if such changes affect the compatibility or use of this device the telephone company is required to give adequate notice of the changes 4 Ifthe telephone company requests information on what equipment is connected to their lines inform them of a The telephone number that this unit is connected to b The ringer equivalence number 1 4B c The USOC jack required RJ11C and d The FCC Registration Number Items b and d are indicated on the label The ringer equivalence number REN is used to determine how many devices can be connected to your telephone line In most areas the sum of the RENs of all devices on any one line should not exceed five If too many devices are attached they may not ring properly Numerics mic pipe ne UE 71 KEEN red 77 4 20 mA Output Invisible Range circa 79 CallDratlOl ld 62 Maintenance LLL 95 Programming EE 99 MOUNDO WE 74 KO Ile 23 ds Gone A 61 AN 77 Troubleshooting uk 99 A A 44 DEER ota 28 Downstream serrat 86 Access COJO orar it 57 PAINS aria ue 66 E CHANING estores ecos 109 Electrostatic Discharge 27 DCAGDANG EE 104 Enclosure Wiring ACCESS isaac 28 FIXER 109 Event LOG E 108 Programming sees ee 66 A
87. ctor output sampler start for this pin in Set Point Sampling on page 109 output Used in conjunction with common this line is normally allowed to float and is switched to ground by transistor for the entire period that the set point condition exists Used to wake up a wastewater sampler when a set point condition is met so that it can begin its sampling program Configure the flow meter 2 13 A Wiring the RS232 Note Do not connect the RS232 port to more than one external device at the same time Connecting an external device to both the side panel quick connect fitting and the terminal circuit board inside the 980 Flow Meter can cause instrument failure and unreliable The quick connect RS 232 connector is located on the side panel of the 980 Flow Meter housing The RS232 is intended for temporary connection between a PC and 980 Flow Meter using a serial interface cable Cat No 1727 or a DTU II The 980 Flow Meter also allows for a permanent connection that is routed by an external communications cable to the 980 Flow Meter through a conduit opening Permanent Conduit Connection communications 1 With power to the controller off use a large flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Open the cover See Wiring Safety Information on page 27 Note To minimize electromagnetic 2 Disconnect the RS232 Quick connect attached to the TB11 pins affects on the 980 Flow Meter performanc
88. e EE 78 ej C 85 SIEG A sete cd assess E edt esesr etas de 57 SpecifICallofiS sida ind 9 Starting Programs iouis o t eot acies 59 SLOP PING Programs tee ke a Seen 59 A 110 Submerged Area Velocity Sensor C allDFAl OE ets isis 88 Jee Lan METRE 89 Junction BOX EE 48 Programming eese 87 T EK isner ieciibl E 78 Tate and Dale sra a e e 103 Total Flow Units eese 58 Typical Relay Wiring esses 36 U Bien RE 86 V Velocity E 108 Velocity Cutoff Velocity Default 86 MOIOCIDVDUIEGOUOLI aria 58 Velocity Only Sensor Bare Lead VINO op rei eoa eec 46 eller m Tc 83 Installation Guidelines 84 MOUNINO ute donc utile haste seo So ote tea totes 84 leien Le NEE a3 Y MOTIGO NEI iii 78 W Wall MOUNT sorasa 24 WING aldo ld 27 Wrap Memory uk 106
89. e process of integrating the manufacture s instrumentation into the SCADA network Modbus ASCII uses a referencing system to identify the various types of memory inputs and outputs Each reference number has a leading digit that identifies its data type discrete input discrete output register input register output followed by a string of digits that indicates its location in RAM Table 33 Table 33 Modbus ASCII Memory Input Output Referencing System Reference OXXXx discrete output or coil The memory data is stored in 16 bit words Within the predefined function codes of the Modbus ASCII protocol the data fields are subject to interpretation by the device manufacturer For example the 980 Flow Meter places temperature information in registers 40001 40002 Modbus ASCII Function Codes Supported Currently the 980 Flow Meter is capable of a read only function to retrieve channel and total flow information All data addresses in the Modbus ASCII message are referenced to zero Therefore a reference to holding register 40001 is addressed as register 0000 The function code field specifies the type of register accessed therefore the 4XXXX is implicit Function 03 Read Holding Registers Heads the register 4X reference contents of the 980 Flow Meter as defined in the tables that follow Page 119 980Scada fm SCADA Modbus System Guidelines Appendix D Table 34 Channels Read Holding Register Addresses H or ORP ra 2
90. e shielded cable is required To ensure that ground currents in inadequate ground systems do not result in potential shock hazards do not connect the shields at both ends of the cable Note Route wires through NEMA approved conduit hubs Cat No 16483 to ensure that water and dust do not enter the enclosure Installation2 fm No wires should remain in the socket To prevent dangling wires from touching the circuit nodes tape each individual wire then bundle the wires and tape wires together See Figure 19 Attach a NEMA approved conduit or compression fitting to one of the Y in openings on the bottom of the instrument and route the RS232 permanent connection 6 wire cable and five conductors with shield Strip the outer insulated jacket back 2 inches from the end of the RS232 cable Use care when removing the outer jacket to ensure that the insulation around the inner conductors is not nicked Nicked insulation on inner conductors can lead to shorting Strip insulation of the individual wires back 14 inch Page 39 Wiring the RS232 Section 2 7 Connect each bare wire end to the proper screw terminal block TB11 Hefer to Table 9 and Figure 19 Do not leave any of the bare wire exposed 8 Connect the cable shield to protective earth ground at the 980 Flow Meter Do not connect the cable shield at the remote end of the cable Cut the cable jacket back far enough to expose the conductors and remove the shield by cut
91. e step at a time until error free communications are achieved Page 68 Rain Gauge From the Main Menu select SETUP gt MODIFY SELECTED ITEMS Scroll down and highlight Sampler Pacing using the UP and DOWN keys Press SELECT to continue Enable Sampler pacing using the CHANGE CHOICE key Press ACCEPT Set the Sampler Pacing using the numeric keypad and Change Units using the CHANGE UNITS key Press ACCEPT From the Main Menu select OPTIONS ADVANCED OPTIONS COMMUNICATIONS SETUP RS232 SETUP Select a baud rate for data communications by pressing CHANGE CHOICE to cycle through the possible choices 1200 2400 4800 9600 or 19 200 baud The higher the baud rate setting the faster data will transfer Set the baud rate to the highest setting allowed by the computer Press ACCEPT The cable connection is shown in Figure 30 Setup fm Section 4 Figure 30 PC to Flow Meter Cable Connection 4 8 Modem Interface 4 8 1 Programming the Modem 1 From the Main Menu select OPTIONS ADVANCED OPTIONS COMMUNICATIONS SETUP MODEM POWER 2 To enable the modem power press CHANGE CHOICE until ENABLED is displayed Press ACCEPT 11 00 AM 21 APR 01 MODEM SETUP CHANGE ACCEPT MODEM POWER CHOICE ENABLED RETURN CHOICES ENABLED DISABLED 3 Use CHANGE CHOICE to set the dial method Tone or Pulse Press ACCEPT 4 Enter the phone number of the PC that the unit will call if alarms
92. eive the most recent data readings Datalogging Configurations To configure the 980 Flow Meter for data logging 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS DATA LOG 2 Highlight Select Inputs using the UP and DOWN keys then press SELECT 3 Highlight the channel to log using the UP and DOWN keys 4 Select Logged or Not Logged using CHANGE CHOICE Press ACCEPT 5 Enter a logging interval then press ACCEPT Valid logging interval are shown on the status bar along the bottom edge of the display Page 106 Programming Features AppendxProgramFeatures fm Appendix B 6 Select another channel to configure or press RETURN to back up one step or press MAIN MENU to return to the Main Menu Table 30 Setup Parameters for Specific Channels Channel Name Configuration Options Select Logged or Not Logged using CHANGE CHOICE Press ACCEPT Process Temperature 2 Enter the Logging Interval using the numeric keypad Select Temperature Units F or C this is the only place in the software where temperature units can be changed Diagnostics From the Main Menu select OPTIONS ADVANCED OPTIONS DIAGNOSTICS In addition to the automatic diagnostics that are performed upon power up the following manual diagnostics are available e Keypad Test e LCD Test e Demonstration Graph e Velocity Analysis only meters with area velocity capability e Events log Keypad Test Keypad Test provides a simple means
93. el measurement from the Level Units menu the status bar indicates that the valid choices are cm ft in or m Measurement Capabilities The 980 Flow Meter is often used to measure flow in conjunction with a primary measuring device flume weir pipe etc that has a known level to flow relationship The 980 Flow Meter directly measures the level of liquid in a channel that is contributing to flow referred to as head and calculates the flow rate based on the head to flow relationship of the primary device Refer to Appendix A on page 99 The 980 Flow Meter can also simultaneously measure and record e Level e Velocity AV version only e pH e Temperature e Rainfall e Seven discrete analog inputs voltage and or current The AV option can also measure the average velocity of the flow stream using a submerged Doppler probe and calculate flow based on the current level and the formula Wetted Area x Velocity Flow Communication Capabilities A graphical display allows fast on site review of historical data In addition to its extensive data logging capabilities the 980 Flow Meter is capable of e Enabling a sampler e Pacing a sampler e Controlling four external devices with Normally Open Normally Closed relays e Controlling two external devices with 4 20 mA current outputs Communications capabilities include a standard RS232 port used for data transfer and updating internal embedded program using state of the art Fl
94. em Ll 1L i eur Lp LL 6 Configure Flow Totalizer Scaling X X1 X10 X100 X1 000 000 Flow Units Acre feet cubic feet gallons liters cubic meters 7T Configure SETPOINT SAMPLING if it is desired to trigger a sampler based on one of the following conditions Page 115 ProgrammingAppendix fm Programming Worksheet Appendix C Channel 7 8 Configure STORM WATER if desired Start Condition 1 Rain Level Rain Level Rain or Level Rain Trigger X RainTimelimit Level Trigger n Check one ____ Head Vs Flow Worksheet _____ Level Vs Area Worksheet velocity units only Page 116 Programming Worksheet ProgrammingAppendix fm Appendix D SCADA Modbus System Guidelines Introduction to SCADA Modbus Communications Use this section as a guide when using the Modbus ASCII protocol to communicate directly with the 980 Flow Meter via an RS232 or modem connection This guide assumes that the user has a working knowledge of Supervisory Control and Data Acquisition SCADA its components and the different topologies used to construct the communications network Because a basic understanding of the Modbus ASCII protocol is necessary a description of key pieces of the protocol will be described This section will guide you through the setup process by describing key points that need to be addressed for successful communication This section will
95. ene Installations und Wartungsaufgaben durfen nur von qualifiziertem Personal durchgefuhrt werden PERICOLO Alcune parti di questo manuale contengono informazioni sotto forma d avvertimenti di precauzioni e di osservazioni le quali richiedono una particolare attenzione La preghiamo di leggere attentivamente e di rispettare quelle istruzioni per evitare ogni ferita corporale e danneggiamento della macchina Solo gli operatori qualificati per l uso di questa macchina sono autorizzati ad effettuare le operazioni di manutenzione descritte in questa parte del manuale Page 91 970ESMainStop fm MAINTENANCE Visit http www bach com Section 5 Maintenance This chapter explains how to maintain repair and upgrade the 980 Flow Meter It describes how to open the case inspect and replace fuses and perform operating system software upgrades 5 1 Routine Maintenance 5 1 1 Calibration 5 1 2 Cleaning the Case Routine maintenance of the 980 Flow Meter consists of calibrating input channels cleaning the case and maintaining the sensors as needed Calibration should be performed on all channels at the proper interval for that type of input See Section 4 Clean the outside of the case with a damp cloth and mild detergent Use a non abrasive plastic cleanser on the front cover if necessary Avoid harsh chemicals or solvents because they may harm the case or fog the front cover 5 2 Upgrades Repairs General Maintenance Only a
96. ensor section 4 9 e Mechanical Totalizer section 4 3 e Downlook Ultrasonic Sensor section 4 10 e Alarm Relays section 4 4 e Rain Gauge section 4 5 e Sampler section 4 6 e RS232 section 4 7 4 1 4 20 mA Output e n Pipe Ultrasonic Sensor section 4 11 e Velocity Only Sensor section 4 12 e Submerged AV Sensor section 4 13 4 1 1 Programming the 4 20 mA Output Note When the 4 20 mA outputs are disabled and not completely turned off they will continue to output a steady 4 mA Setup fm Two 4 20 mA current loop outputs are available for the 980 Flow Meter These current outputs typically pace other process equipment such as a wastewater sampler in proportion to the flow rate The dual isolated 4 20 mA current loop outputs on the 980 Flow Meter are unique they can be assigned to any of the available channels not just flow In addition the 4 mA and 20 mA current levels are programmed to any desired minimum and maximum value for that channel 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS gt 4 20 mA OUTPUTS SELECT 2 Press CHANGE CHOICE to enable the 4 20 mA outputs while in the 4 20 mA output menu 3 When the display shows the outputs as enabled press ACCEPT m Highlight Output A or B using the UP and DOWN keys and press SELECT 11 00 AM 21 APR 01 4 20 mA OUTPUTS SELECT OUTPUT A 1 OUTPUT B Page 61 External Device Setup Section 4 5 Select
97. er byte and a low order byte Table 40 and Table 41 depict how a IEEE floating point value is usually represented and how the Modicon stores a floating point value Page 123 980Scada fm SCADA Modbus System Guidelines Appendix D The complications arise because Modicon doesn t store floating point values in this standard IEEE format Modicon stores floating point values the opposite way with the Low order word in the first register and the High order word in the second register Table 40 IEEE Floating Point Representation First Register i e 4001 Second Register i e 4002 High Word High Byte High Word Low Byte Low Word High Byte Low Word Low Byte Table 41 Floating Point Values Representation First Register i e 4001 Second Register i e 4002 Low Word High Byte Low Word Low Byte High Word High Byte High Word Low Byte Since the Modbus protocol doesn t define how floating point values are handled or stored some Modbus capable servers incorrectly use the normal High word Low word format for converting the Modbus message response to the client application Since Modicon stores the floating point values in the oppOodbus and floating point numbers Port Expanders and Protocol Converters In some situations there may not be a Modbus ASCII port available for use with the 980 Flow Meter A good example might be where there is a need to install a flow meter at a remote pump site that already has a
98. er did not receive interval to capture more signals data within the specified time P This condition may occur occasionally When using a combination of area velocity and ultrasonic sensors this condition may occur more frequently if site conditions are less than ideal This is not necessarily an indication of a defective sensor Check to see if wires were shorted Check the RS485 fuse 4 10 3 Programming the Downlook Ultrasonic Sensor The downlook ultrasonic sensor does not require specific programming unless more than one sensor option is connected to the 980 Flow Meter When more than one sensor option is connected to the 980 Flow Meter 1 From the Main Menu select OPTIONS gt LEVEL SENSOR 2 Select Ultra Sonic Sensor using CHANGE CHOICE then press ACCEPT 4 10 4 Calibrating the Downlook Ultrasonic Sensor Calibrate the current water level via one of two methods Liquid Depth or Sensor Height An Invisible Range can also be set which allows the transducer to ignore reflections from obstructions between the sensor and the water surface such as ladder rungs channel side walls etc Each method has its own advantages and disadvantages selecting the proper method will depend upon the site conditions Calibrate the ultrasonic sensor each time the sensor is installed at a new site 4 10 4 1 Liquid Depth This method requires the head or depth of liquid in the channel that is contributing to flow In a round pipe the entire
99. erfahrensweisen und dem richtigen Gebrauch der Chemikalien vertraut zu machen und alle entsprechenden Materialsicherheitsdatenbl tter aufmerksam zu lesen PERICOLO La manipolazione di campioni standard e reattivi chimici pu essere pericolosa La preghiamo di prendere conoscenza delle Schede Techniche necessarie legate alla Sicurezza dei Materiali e di abituarsi con tutte le procedure di sicurezza prima di manipolare ogni prodotto chimico Page 51 OperationStopper fm OPERATION Visit http www bach com Section 3 Basic Programming Setup 3 1 Initial Power Up of Meter After power is applied the flow meter performs a complete diagnostic self test and displays the menu shown when the unit was last turned off Set the instrument programming features when the Main Menu is displayed The Main Menu is the starting point for all programming operations The Main Menu offers four choices e Setup Basic programming e Status Lists all currently measured readings e Display Data Shows graphs and tables of logged data See Displaying Data on page 101 e Options Advanced programming Setup and Options functions lead to sub menus and will configure the basic and advanced features of the flow meter Refer to the 980 Quick Start Guides on page 133 The Display Data and Status lead to sub menus and will provide information only Press STATUS to display any data channels that have enabled logging flow pH temp etc 11 00 AM 21 APR 0
100. es Page 125 SCADA Modbus System Guidelines Appendix D a valid Modbus message with an encoded device address other than the address the meter is configured for it will ignore that message Response Check the Modbus mode There are two different forms of Modbus ASCII and RTU Currently the 980 Flow Meter only support Modbus ASCII Consequently the device communicating with the meter must be setup for Modbus ASCII The meter will not respond to Modbus RTU messages Problem The data values being returned by polling the meter with Modbus are not the same as the data values displayed in the current status screen of the meter Page 126 SCADA Modbus System Guidelines Response Confirm that the correct register addresses are being polled Check to make sure the register address being polled corresponds to the correct data channel For example if polling for FLOW make sure the server or MMI is requesting data from registers 40033 40034 If polling for several values at the same time try changing the polling so that only one value is polled at a time Then check to see if the polled value matches a different data channel in the meter For example if polling for Level and it appears that you are getting the data for Velocity instead you probably are polling the wrong registers Response Check the data format of the Modbus server When configuring a Modbus server or MMI application to poll a 980 Flow Meter it is absolutely esse
101. ess Function Starting Address High Starting Address Low No of Registers High No of Registers Low LRC The master queries the flow meter using a Read Holding Registers request which implies a 4XXXX register reference to slave device address 01 The message requests data from holding registers 40007 40008 to obtain the level information which requires two registers to store the floating point value Note that registers are referenced from zero in the data field Response The 980 Flow Meter responds with the following transmission reflecting a level reading of 15 0 inches Table 39 Transmission Response that Reflects a 15 in Level Reading Start Slave Address Function Byte Count Data High Data Low Data High Data Low LRC The flow meter response echoes the address and function code which indicates that no problems exist in the communication between the master and 980 The Byte Count field specifies how many 8 bit data items are being returned in the data field With Modbus ASCII this is one half the actual count of ASCII characters transmitted in the data portion of the response The contents of 40007 are shown as two byte values of 00 00 hex and the contents of register 40008 are shown as two byte values 41 70 hex Together these values represent the floating point IEEE representation of the level status 980 Flow Meter Response Time As a result of time lags associated with data acquisition instrument
102. esult is the maximum cable length that can be used in that particular location If an 18 gauge copper wire is being used it has a resistance of 6 39 ohms 1000 feet Dividing 50 ohms by 6 39 ohms 1000 ft results in a maximum cable length of 7 824 feet 1 Disconnect all power to the 980 Flow Meter See Wiring Safety Information on page 27 2 Use a large flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Open the cover 3 Strip insulation from 4 20 mA leads 14 inch 4 Attach a NEMA approved conduit or compression fitting to one of the Y in openings on the bottom of the instrument and route the 4 20 mA cable wires through this opening 5 Connect wires to the proper screw terminal block TB10 Refer to Table 2 and Figure 13 6 When wiring the cable sheild connect to protective earth ground at the 980 Flow Meter Do not connect the cable shield at the remote end of the cable Cut the cable jacket far enough back to expose the conductors Remove the shield by cutting it even with the cable jacket Insulate the remaining exposed shield with tape or heat shrink tubing Table 2 4 20 mA Terminal Block Connections TB10 08 SmelB ine channel B pos channel A neg channel A pos Page 31 Wiring the 4 20 mA Output Section 2 Figure 13 ON ON No Connection Locating TB10 for 4 20 mA Output Connections TB10 4 20 mA CH A CH A
103. ft change in head from calibration point 20 C still air ideal target 50 ft cable Accuracy Distance from sensor to liquid 0 64 inches minimum to 13 5 feet maximum 20 C still air ideal target 50 ft cable Range Resolution 0 0075 inches Operating Temperature 20 to 60 C 4 to 140 F Range Storage Temperature 20 to 60 C 4 to 140 F Temperature Error 0 00005 meter C typical Stat Kon A E ABS Plastic Cable Length 7 6 m 25 ft standard custom lengths up to 200 m 500 feet Dimensions transducer only 4 44 cm 1 75 in maximum diameter 31 435 cm 12 375 in long Dedicated Mounting Rings Permanent Mounting Bracket installs directly to pipe wall Adjustable Mounting Band Kit Connection Bare lead connection via terminal blocks Page 11 Specifications Specifications Accuracy Probe Dimensions Cable Urethane sensor cable shielded Cable Length 7 6 m 25 ft custom cable lengths up to 100 ft 2 of reading Zero Stability 1 52 cms 0 05 fps Length 6 9 cm 2 7 in Width 3 81 cm 1 5 in Height 1 1 cm 0 44 in Dedicated Mounting Rings mounting clips recommended for pipe diameters 8 in or under Mounting Plate for permanent mounting drills to pipe wall Adjustable Mounting Band Kit Connection Sensor connector to Quick connect hub or bare leads connection via terminal block Submerged Area Velocity Probe Cable Length 7 6 m 25 ft standard cu
104. ghlight Calibration using the UP and DOWN keys Press SELECT 3 Highlight Ultra Sonic Sensor using the UP and DOWN keys Press SELECT 4 Highlight Calibrate U Sonic Sensor and press SELECT 5 Press CHANGE UNITS to select the type of ultrasonic transducer In Pipe Press ACCEPT 6 Enterthe ambient air temperature at the transducer location For optimum results allow enough time 100 minutes to ensure that the sensor is at equilibrium with the surrounding ambient temperature Press ACCEPT to continue The speed of sound in air varies with the temperature of the air The ultrasonic sensor is equipped with temperature compensation to help eliminate the effect of temperature variation under normal site conditions Liquid depth requires knowing the level or depth of the liquid in the channel that is contributing to flow Liquid depth calibration is the recommended calibration method for the in pipe ultrasonic sensor Continue from Step 6 above 1 Select the Liquid Depth method Page 81 In Pipe Ultrasonic Sensor Section 4 4 11 4 2 Sensor Height 2 Take a physical measurement of the liquid depth head and enter the value Press ACCEPT when finished Sensor height calibration is generally used when access to the primary device is difficult such as confined space entry in a manhole or when there is no liquid flowing during installation of the flow meter This calibration method requires compensation for the internal de
105. hat the channel is logged Page 64 Analog Input Channels 1 through 7 are analog input channels that can accept a signal from an external device This signal may range from 4 5 V dc min to 4 5 V dc max or from 4 to 20 mA dc depending on the input selected In some cases input signals from certain devices may also fall somewhere within those ranges For that reason each analog input channel must be mapped to the minimum and maximum signal limits of the external device To map an external device to an analog input channel Select an analog input channel 1 2 and 3 are current inputs and 4 through 7 are voltage inputs 1 Select Data Log from the Advanced Options menu 2 Highlight Select Inputs using the UP and DOWN keys Press SELECT 3 Highlight the analog channel to log using the UP and DOWN keys then press SELECT 4 Press CHANGE CHOICE to cycle between Logged and Not Logged then press ACCEPT 5 Enter a Logging Interval 6 Select Unit of measurement pH ft C F mV gal m3 cf Itr in m CT Din 5 HoS lel V dc cfh ppm ppb afd cfs cfm cfd cms cmm cmh cmd gps gpm gph Ips Ipm Iph or mgd 7 Enter Low Point 8 Enter High Point 9 Select another channel to configure or press RETURN to back up one step or press MAIN MENU to return to the Main Menu Example A dissolved oxygen meter has an analog output signal that will connect to the 980 Flow Meter analog input channel 4 The
106. he front panel area This seal is required to maintain the NEMA 4X rating of the case Figure 2 Front Panel Ma Y 1 Clear Front Cover 4 Function Keys 2 Soft Keys 5 Numeric Keypad 3 LCD Display Page 14 Front Panel Features and Controls Overview fm Section 1 1 3 Keypad Description The 980 Flow Meter keypad has three components numeric keypad soft keys and function keys See Figure 2 Numeric Keypad The numeric keypad consists of the digits O through 9 a key and a decimal key Soft Keys Soft keys are blank white keys located to the left and right of the display The appearance of each function key depends on the display The soft key labels appear on the display and point with a straight line to the proper soft key to push for that action If no function is shown for a specific key that key is not currently active In some cases during a programming step an item from a list needs to be selected The soft keys on the right side of the display will change to display up and down arrows Us then to scroll up and down the list of choices When the desired choice is highlighted press the SELECT soft key Function Keys Three dedicated function keys are used to allow quick access to frequently used functions They are the white keys located just above the numeric keypad This is the starting point to access any other point in
107. hing Functions and Descriptions Function Description Status Bar Displays the time date measured value and unit of measure at the intersection of the data cursor Placing the cursor data on the status bar eliminates the need for X or Y axis labels and provides a larger graph viewing area Moving the Data Cursor with the Arrow Keys The data cursor appears as a vertical line in the center of the graph Moves the data cursor to the left or right by using the soft keys or the numeric keypad Moving the Data Cursor with the Numeric Keypad The keys 0 9 represent a percentage of full scale Pressing a numeric key while a graph is displayed causes the data cursor to jump to the location on the graph that is represented by that key For example pressing O moves the data cursor to the far left or 0 position on the graph Pressing 5 moves the data cursor to the middle or 50 position of the graph Pressing 9 moves the cursor to the 90 position Next Channel Graphs data from the next logged channel For example if the 980 is logging Level Flow and pH and the Level graph is currently displayed NEXT CHANNEL causes the flow channel to be graphed Pressing NEXT CHANNEL again will create a graph for pH channel Pressing NEXT CHANNEL again returns to the Level graph selects a time period of interest and compares different graphs Page 102 Programming Features AppendxProgramFeatures fm Appendix B Graphic Display A
108. ices The flow unit will be used whenever a flow reading is displayed or logged 2 C When the desired choice is displayed press ACCEPT to continue and set level units 11 00 AM 21 APR 01 FLOW UNITS CHANGE ACCEPT CHOICE FLOW UNITS mdg CANCEL SELECT APPROPRIATE UNITS Table 17 Flow Unit Choices ICA ptn ECT ei Cubic feet per minute Cubic feet per hour Liters per second Cubic feet per day Cubic meters per minute Cubic meters per hour Cubic meters per day Liters per hour Million gallons per day Acre feet per day Page 54 Basic Programming BasicStartUp fm Section 3 Step 3 Level Units 3 A From the Modify All Items screen highlight Level Units using the UP and DOWN keys Press SELECT 3 B Select the units of measure to use when displaying level readings Table 18 Level units of measure are used whenever a level reading is displayed or logged Table 18 Level Units Choices Abbreviation Level Unit raters 3 C Press CHANGE CHOICE to cycle through each of the level unit choices Press ACCEPT to continue to primary device setup Step 4 Primary Device 4 A From the Modify All Items screen highlight Primary Device using the UP and DOWN keys and press SELECT 4 B Select the desired primary device enter the calculation method shape and pipe diameter for that primary device 4 C Press CHANGE CHOICE to cycle through the primary device choices See Table 19 Table 20 Table 21
109. ick connect hub and tighten the connection by turning the cable connector securement ring clockwise 2 19 2 1 Desiccant Cartridge Make sure vinyl tubing is securely fastened at both fittings Figure 27 Failure to do so will allow fluid or moisture to pass down or block the pressure transducers reference port This will result in faulty readings and could lead to sensor failure During installation arrange the sensor so that the desiccant cartridge hangs down as shown in the Figure 27 Page 50 Wiring the Submerged Area Velocity Sensor Installation2 fm D OPERATION DANGER Handling chemical samples standards and reagents can be dangerous Review the necessary Material Safety Data Sheets and become familiar with all safety procedures before handling any chemicals DANGER La manipulation des chantillons chimiques talons et r actifs peut tre dangereuse Lire les Fiches de Donn es de S curit des Produits FDSP et se familiariser avec toutes les proc dures de s curit avant de manipuler tous les produits chimiques PELIGRO La manipulaci n de muestras qu micas est ndares y reactivos puede ser peligrosa Revise las fichas de seguridad de materiales y familiar cese con los procedimientos de seguridad antes de manipular productos qu micos GEFAHR Das Arbeiten mit chemischen Proben Standards und Reagenzien ist mit Gefahren verbunden Es wird dem Benutzer dieser Produkte empfohlen sich vor der Arbeit mit sicheren V
110. ight pH mV using the UP and DOWN keys then press SELECT 4 Select pH in the Item to Edit menu using the pH key 5 Press CHANGE CHOICE to cycle between Logged and Not Logged then ACCEPT 6 Entera logging interval and press ACCEPT Valid logging intervals are shown on the status bar along the bottom edge of the display 7 Select another channel to configure or press RETURN to back up one step or press MAIN MENU to return to the Main Menu 4 9 2 Calibrating the pH Sensor Note Before calibrating the pH probe make certain the probe and buffers are at ambient temperature Page 70 pH Sensor Once the pH sensor is wired and programmed calibrate the pH sensor Calibrating the pH sensor requires a thermometer and any two of the following buffer solutions 4 7 or 10 pH The pH probe is an application sensitive device When used in harsh environments the accuracy and life expectancy of pH probes can decrease considerably Probes must be calibrated to the flow meter each time they are cleaned or replaced Regular inspection and comparison to a hand held pH meter can help determine the optimum cleaning and calibration schedule for your application 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS gt CALIBRATION gt pH 2 Place the pH probe into the first buffer solution Press any key to continue 3 Enter the temperature of the first buffer solution Press ACCEPT Setup fm Section 4 4 Select the pH for
111. imum available logging hours for the channels and recording intervals you selected The flow meter calculates this information when the program is run using the RUN STOP Key AppendxProgramFeatures fm From the Main Menu select SETUP gt ADVANCED OPTIONS gt DATA LOG The 980 Flow Meter can record up to 115 630 readings from any or all input channels and store them in solid state battery backed memory for later viewing or retrieval This option selects logged input channels the frequency of logged channels Logging Interval and explains what to do when the memory becomes full Logging Intervals are designed to optimize the available memory so that readings can be logged for a longer period of time A Logging Interval is the time period over which readings are taken and then averaged Logging Interval Continuous Mode When a one minute logging interval is selected a reading will be taken approximately every second but no data are logged until the logging interval ends At that time the readings are averaged over the logging interval that average is logged When a five minute logging interval is selected readings are still taken every second but the data are not logged until the five minute logging interval ends At that time the readings are averaged over the previous five minutes that average is logged Longer logging intervals result in a longer total recording time Lower resolution also occurs since more averaging is
112. ion Maximum Distance from Sensor to Target Page 73 Setup fm Downlook Ultrasonic Sensor Section 4 4 10 1 2 Mounting the Ultrasonic Sensor Note To prevent mechanical Several brackets are available for mounting the sensor to a fixed location such vibration ensure that the supplied as a wall or floor See Figure 34 and Figure 35 For mounting options see isolation washers are installed as Parts and Accessories on page 137 Each bracket utilizes the 34 in 1 9 cm shown in Figure 34 NPT connector on the sensor to secure the sensor to the bracket Always level the sensor using a level The maximum water level must be below the deadband to ensure accurate readings The sensor is blind to anything closer than the deadband and will stop reading level when the distance is shorter than that Figure 34 Bracket and Isolation Washers This surface must be level 1 Wall Rail Mount Bracket Cat No 2974 3 Isolation Washers Cat No 6820 2 1inch x 0 25 Hex Nuts Cat No 1429 4 Ultrasonic Sensor Page 74 Downlook Ultrasonic Sensor Setup fm Section 4 Figure 35 Assembling the Mounting Bracket Cat No 2904 e M N O 5 CK _ 2 bv e e o Ee E Es CZ P LQ 1 14 75 inches Cat No 3047 4 Horizontal and vertical sections are fully adjustable 2 15 25 inches Cat No 3046 5 Sensor Mounting Clamp 3 16 625 inches 2 Cat No 3048 6 5 5inches
113. lls outside the set points Page 109 Programming Features Appendix B Note You must log rainfall to use set point sampling on a rainfall condition likewise you must log flow in order to implement set point sampling on a flow rate of change If you forget you are reminded when the program begins Storm Water Page 110 Programming Features Table 32 shows all possible sampling triggers and appropriate settings Table 32 Sampling Triggers EN L zue To enable Set Point Sampling 1 From the Main Menu select OPTIONS ADVANCED OPTIONS gt SETPOINT SAMPLING 2 Highlight SETPOINT SAMPLING using the UP and DOWN keys on the Advanced Options Menu then press SELECT 3 Highlight the desired sampling trigger see Table 32 then press SELECT 4 Highlight SAMPLE ON HIGH CONDITION or SAMPLE ON LOW CONDITION 5 Press CHANGE CHOICE to enable or disable the sampling trigger for this condition 6 Enter the desired high or low trigger point then press ACCEPT 7 Enter a deadband value see Setting the Deadband on page 104 or if programming for Flow Rate Of Change or Rainfall enter a time interval within which the flow or rainfall change must take place Sample on High Condition and Sample on Low Condition can be enabled at the same time There is no limit to the number of sampling triggers that can be enabled at one time A special Storm Water monitoring program designed specifically to meet the NPDES storm wa
114. lt Page 86 Velocity Only Sensor Setup fm Section 4 Figure 42 Placing the Sensor into the Flow Manhole Manhole Velocity Sensor Normal Upstream Position Velocity Sensor Downstream Position MG lt FLOW 4 13 Submerged Area Velocity Sensors Submerged Area Velocity sensors can measure level and velocity simultaneously A submerged pressure transducer measures level Velocity is measured with sound waves using the Doppler principle Refer to Figure 43 Figure 43 Submerged Area Velocity Sensor Velocity Measurement SW Waves lt FLOW A Pressure Transducer for Level Measurement Submerged Depth Velocity Sensor Only 4 13 1 Programming the Submerged Area Velocity Sensor Submerged Depth Velocity Sensor 1 From the Main Menu select OPTIONS gt LEVEL SENSOR 2 Select Submerged Xducer using the CHANGE CHOICE soft key then press the ACCEPT soft key 3 Follow Steps1 11 in section 4 12 1 on page 83 Page 87 Setup fm Submerged Area Velocity Sensors Section 4 Figure 44 Setting the Water Level 1 Take a physical measurement of the water level and enter the number using the Level Adjust function on the instrument display Measure from the surface water to the top of the pipe B in Figure 44 then subtract this from the pipe diameter A in Figure 44 to get the water level in the pipe C in Figure 44 This method prevents disturbances to the flow st
115. mbient air temperature at the transducer location For optimum results allow enough time 100 minutes to ensure that the sensor is at equilibrium with the surrounding ambient temperature Press ACCEPT 5 Select the Sensor Height method and enter the new level Setup fm Section 4 6 Enterthe distance from the face of the transducer to the zero flow point of the primary device Press ACCEPT 4 10 4 3 Setting the Invisible Range The 980 Flow Meter is equipped with an Invisible Range feature adjustable deadband to prevent false echoes from tops of channel walls ladder rungs shelves etc Refer to Figure 36 A user selected range is defined which is invisible to the flow meter Extend the invisible range to where it meets or overlaps the highest expected level in the channel A gap of at least 2 in 5 cm should be left between the invisible range and the highest expected level Only objects beyond the invisible range can be detected 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS gt CALIBRATION gt ULTRASONIC SENSOR 2 Select the Invisible Range using the UP and DOWN keys Press SELECT 3 Enter the Distance to End of the Invisible Range 4 Press CHANGE UNITS to select either inches or centimeters The distance must be greater than the minimum deadband of 11 5 in 29 cm for the 75 kHz transducer Refer to Figure 36 Press ACCEPT Figure 36 Setting the Invisible Range A Minimum Distance must be at least 11 inches
116. memory is full 1 2 From the Main Menu select OPTIONS ADVANCED OPTIONS gt ALARMS Select an action to occur when the alarm is activated Table 26 shows each Trouble Condition and its cause Enable one of the trouble conditions Setup fm Section 4 Table 26 Trouble Alarms Trouble Condition Cause Low Memory Battery Internal memory battery voltage is too low Change batteries U Sonic Echo Loss A pulse of sound The echo has been temporarily deflected by a change in site conditions such as was sent but no echo was received back floating debris or foam in the channel wind etc Transducer Ringing Transducer is operating within the deadband U Sonic Failure Transducer not plugged in Cable damaged Transducer thermal sensor damaged Modem Failure Unable to initialize modem Problem with communications between the flow meter and a remote ultrasonic RS485 Timed Out eer sensor May indicate open thermal sensor Alarm Action s Set Relay 1 Set Relay 2 Set Relay 3 Set Relay 4 Report via Modem 4 4 1 2 Set Point Alarms Set point alarms look for trip points to be reached high low or both before initiating an action For example an initiated action may be closing a relay when the water level exceeds 24 in 60 cm or drops below 4 in 10 cm 1 Select an action to occur when the alarm is activated 2 Enable one of the alarm conditions 3 Seteither a High trip point or a Low trip point 4 Enter
117. move the screws from the protective cover Figure 9 2 3 Remove the cover and gasket 4 Carefully swirl the sensor in soapy water to remove soil For stubborn deposits use a spray or squeeze bottle 5 Clean the gasket and cover 6 Reattach the gasket and cover Tighten the screws to 10 inch pounds or until the gasket starts to expand out from under the cover Page 95 Ultrasonic Sensor Maintenance Section 5 Figure 9 2 Removing the Protective Cover 4x 1 Gasket 3 Screws 416 32 x 5 16 5 6 2 Changing the Desiccant Your sensor contains a tube that equalizes the air pressure in the transducer and the outside air pressure Moisture may become trapped in this tube A desiccant filled canister helps remove moisture from this tube and from the sensor The canister contains beads of silica gel When the beads are blue they can remove moisture from the air When they are pink they cannot absorb any more moisture from the air When the beads begin to turn pink you must replace or rejuvenate dry out the beads You can permanently damage the sensor if the desiccant is not maintained Never operate the sensor without the proper desiccant 5 6 3 Desiccant Replacement Procedure 1 Use a slight twisting motion to twist the bottom end cap until its slots align Note If you are rejuvenating the with the retaining clips beads remove them from the canister and heat at 100 180 C 2 Gently remove the end cap by grasping it and
118. moving in a positive direction same direction as the flow Always Positive stream are so mixed up with those from particles moving in a negative direction opposite direction as flow stream that determining actual direction is difficult The Always Positive option logs all readings as positive regardless of the measured signal direction Do not select this option at sites where negative flows normally occur such as tidal effects on ocean outfalls The Velocity Cutoff option compensates for problems encountered at sites with very low velocities and extremely clean water Flow is difficult to measure in these conditions because clean water contains very Velocity Cutoff few reflecting particles and extremely low velocities lack the turbulence to add air bubbles which also Velocity Default make good reflecting targets to the flow stream The Velocity Cutoff allows you to enter a default velocity value that is used when the Velocity Cutoff set point is reached rather than report erratic velocities 4 12 3 5 Placing the Sensor and Mounting Band into the Pipe Point the front of the sensor the side opposite the cable entrance into the flow See Figure 42 Slide the mounting band as far into the pipe as possible to eliminate drawdown effects near the end of the pipe Locate the sensor at the bottom most point in the channel If excessive silt is present on the bottom of the pipe rotate the band in the pipe until the sensor is out of the si
119. n Figure 4 electrical appliance stores Take care to select the style of conduit hardware that will seal to the enclosure wall when using flexible or rigid conduit See Figure 4 and Parts and Accessories on page 137 Figure 4 Sealing type Strain Reliefs Conduit Fittings and Sealing Plugs 1 Sealing type Strain Relief Cat No 8773 0 20 0 35 O D cable Cat No 8786 0 23 0 47 O D cable 2 Conduit Fitting Oe Cat No 16483 1 Cat No 4913600 3 Oil tight Sealing Plug Cat No 42210 00 Page 21 Installation2 fm Installation Section 2 Figure 5 Mounting Dimensions 1 of 3 11 88 inches 301 7 mm 7 80 inches 198 1 mm 11 06 inches 280 9 mm 225 inches 5 7 mm E E o co LO D N a e o 2 es 5 o E X E 2 N o O a Y 10 T x o 69 a Be O E de co eo c i 12 05 inches 306 7 mm Page 22 Unpacking the Instrument Installation2 fm Section 2 Figure 6 Mounting Dimensions 2 of 3 ape eee es Pees Sy i 1 TP 1 eue 00707 i zz 1 1 ER n d 1 T mox os 1 1 1 1 i E 1 1 3 1 EN 1 1 Um 1 1 Sal 18 40 inches 467 3 mm 3 D Hb Wap T i po ue d 8 1 inches I e 205 7 mm 6 50 inches A 165 1 mm PPP i o 6e o o Q Wm Ju AS 2 10 inches 53 3 mm 2 00 inches 50 8 mm 4 00 inches 101 6 mm 6 0
120. n Menu select OPTIONS gt ADVANCED OPTIONS gt CALIBRATION gt 4 20 mA OUTPUTS Connect a multimeter to the 4 20 mA current outputs per Figure 28 or Figure 29 Select the Output A or B to calibrate Press any key to set the selected output to 4 00 mA dc Measure the current on the selected output using the multimeter and enter the measured value using the numeric keypad Press ACCEPT Press any key to set the output to 20 00 mA dc Setup fm Section 4 T Measure the current on the selected output using the multimeter and enter the measured value using the numeric keypad Press the ACCEPT to complete the calibration 8 Make sure that the 4 20 mA output is enabled If it is not enabled press CHANGE CHOICE until the display shows ENABLED Press ACCEPT By entering the measured current values the microprocessor will electronically adjust the outputs to compensate for the difference between the measured values and the expected values Figure 28 Calibration with the Meter in the Loop circle chart recorder multimeter Figure 29 Calibration with the 4 20 mA Device Disconnected from the Loop Nu Page 63 Setup fm 4 20 mA Output Section 4 4 2 Analog Input 4 2 1 Programming the Analog Inputs Note If logging is enabled on any channel that channel will have an arrow in front of the channel name to signify t
121. nge de France Polymetron Dr Lange Division Lab 33 rue du ballon F 93165 Noisy le Grand Tel 33 0 1 48 15 68 70 Fax 33 0 1 48 15 68 79 email info 9 drlange fr www drlange fr The Netherlands Dr Lange Benelux Postbus 6299 NL 4000 HG Tiel Tel 31 0 344 63 11 30 Fax 31 0 344 63 11 50 email info langegroup nl www langegroup nl Sweden Dr Lange AB PROCESS Products Box 410 S 13525 Tyres Tel 46 87 98 05 00 Fax 46 87 42 17 24 email info 9 lange se www lange se For technical support repair service and ordering information please refer to the contact information below for your specific country Poland Dr Lange Sp z o o ul Opolska 143a PL 52 013 Wroclaw Tel 48 0 71 3 42 10 81 83 Fax 48 0 71 3 42 10 79 email mail 9 drlange pl www drlange de Austria Dr Bruno Lange Ges m b H IndustriestraBe 12 A 3200 Obergrafendorf Tel 4 43 0 2747 7412 Fax 43 0 2747 4218 email lange O via at www drlange de Italy Dr Bruno Lange s r l via Riccione 14 IT 20156 Milano Tel 39 0 2 39 23 14 1 Fax 33 0 2 39 23 14 39 email info 9 drlange it www drlange it Switzerland Dr Bruno Lange AG Juchstrasse 1 CH 8604 Hegnau Tel 41 0 1 9 45 66 10 Fax 41 0 1 9 45 66 76 email info drlange ch www drlange ch End fm Warranty Hach Company warrants this product to the original purchaser against any defects that are due to faulty ma
122. nity to lightning surges and ac power transients Additionally electrical and instrumentation standards require a local means of removing power from the product Since the 980 Flow Meter does not have an accessible ON OFF switch the customer must provide one This may be accomplished with a customer supplied switch box or with a power cord See Figure 12 As previously stated a power cord method is only Installation2 fm Section 2 acceptable if local codes permit its use and the considerations outlined in the previous paragraphs are addressed In hard wired electrical applications the power and safety ground service drops for the 980 Flow Meter should be no longer than 6 meters 20 feet unless metal conduit is used to shield the ac power wiring In applications where power cords are allowed by local electrical codes and power surges and transients are not a great concern an 18 gauge 3 conductor power cord including a safety ground wire can be used but its length must not exceed 3 meters 10 feet Note The field wiring terminal Carefully read all of the warnings in this section and refer to Figure 1 1 barrier for ac power will accept wire to ensure the connections are correctly installed between 18 and 12 gauge The wire gauge must not be less than 1 Use a large flat blade screwdriver to loosen the two screws securing the 18 AWG cover Open the cover 2 Attach a NEMA approved conduit or compression fitting to one of the
123. not outline specific implementation details of any particular Man Machine Interface MMI or controller although examples may reference certain manufacturers for illustrative purposes The description of the Modbus ASCII protocol is provided for reference only and is not intended as a tutorial The scope of this section is limited to the description of Modbus ASCII as it pertains to the 980 Flow Meter Modbus an open protocol determines how each instrument will know its device address recognize a message addressed to it determine the type of action to be taken and extract any data or other information contained in the message The flow meter and Man Machine Interface MMI communicate using a master slave technique in which only the master can initiate queries to a slave 980 The 980 will always be considered the slave never a master The master can address individual 980 Flow Meters or can broadcast a message to instruments within its scope Responses are never returned to broadcast queries from the master The Modbus protocol establishes the format for the master s query by placing into it the device address a function code defining the requested action any data to be sent and an error checking field The flow meter s response message is constructed using the Modbus format which confirms the action to be taken any data to be returned and an error checking field ASCII Transmission Mode The 980 Flow Meter is designed to communicate on
124. nsumer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be coordinated by a representative of the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas FCC PART 15 Class A Limits Supporting test records by Hewlett Packard Fort Collins Colorado Hardware Test Center A2LA 0905 01 and certified compliance by Hach Company This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are Page 143 Certification
125. nter A2LA 0905 01 certified compliance by Hach Company Standards include EN 61000 3 2 Harmonic Disturbances Caused by Electrical Equipment EN 61000 3 3 Voltage Fluctuation Flicker Disturbances Caused by Electrical Equipment Certification Additional Emissions Standard s include EN 55011 CISPR 11 Class B emission limits Canadian Interference causing Equipment Regulation IECS 003 Class A Supporting test records by Hewlett Packard Fort Collins Colorado Hardware Test Center A2LA 0905 01 and certified compliance by Hach Company This Class A digital apparatus meets all requirements of the Canadian Interference causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du Reglement sur le mat riel brouilleur du Canada Equipment Attachment Limitations In Canada Notice The Canadian Industry Canada label identifies certified equipment This certification means that the equipment meets certain telecommunications network protective operational and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirements document s The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection The co
126. ntial that the correct data format is selected for that particular data channel register For example when polling for Flow Level or Velocity which are all floating point values the Modbus server or MMI must be configured to read these values as floating point values If the server or MMI is formatting this data as a data type other then floating point the values will not be read or displayed correctly Likewise if polling the meter for engineering units which are represented by integer values such as Flow Units of Measure or Level Units of Measure the Modbus server or MMI must be configured to read these values as Integers If the server or MMI is formatting this data as any data type other than Integer the values will not be read or displayed correctly Different Modbus servers and MMI manufacturers have different methods for configuring the application to the appropriate data type contained within the register Contact the server or MMI manufacturer for details on how to configure the application to read the data in the correct format 980Scada fm Appendix D 980 SCADA Modbus No Response Troubleshooting Flow Chart 1 of 5 No response to polling Message Apply power and turn the Meter on by pressing the ON button Is the 980 turned on and power applied Is this the first time this meter has ever been used with Modbus Has the meter worked with Modbus before Apply power and turn
127. nutes to ensure that the sensor is at equilibrium with the surrounding ambient temperature Press ACCEPT 5 Select the Liquid Depth method and enter the new level 6 Take a physical measurement of the liquid depth head and enter the value Press ACCEPT This method requires you to enter the distance between the face of the ultrasonic sensor and the zero flow point in the primary device The zero flow point in a primary device is the level at which flow ceases In a round pipe the zero flow point would typically be the invert or bottom of the pipe In a V notch weir the zero flow point occurs when the liquid behind the weir is level with the bottom of the V There would still be liquid behind the weir plate but it would not be contributing to flow Sensor Height calibration is generally used when e Access to the primary device is difficult such as confined space entry in a manhole or e There is no liquid flowing during installation of the flow meter 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS gt CALIBRATION gt ULTRASONIC SENSOR 2 Select Calibrate U Sonic using the UP and DOWN keys Press SELECT 3 Select Standard as the type of Ultrasonic Transducer using CHANGE CHOICE Press ACCEPT The speed of sound in air varies with the temperature of the air The ultrasonic sensor is equipped with temperature compensation to help eliminate the effect of temperature variation under normal site conditions 4 Enterthe a
128. ode Wrap around Data Points 116 000 data points Daily statistics Available for up to 32 days Recording Intervals 1 2 3 5 6 10 12 15 20 30 60 minutes Time base accuracy 6 seconds 0 007 per day Power Requirements 100 230 V ac 50 60 Hz single phase 15 W max 0 25 amp max Temperature Ranges Storage 20 C to 70 C 4 F to 158 F Data Logging Operating 20 C to 50 C 4 F to 122 F Humidity 0 90 Non condensing Page 9 Specifications Specifications Integral pH Meter Control Logging Field selectable to log pH independent of flow or in conjunction with flow also controls sample collection in response to value of low high stipends Temperature compensated impact resistant ABS plastic body Combination electrode with porous Teflon junction Measurement Range 2 to 12 pH Operating Temperature 18 to 80 C 0 to 176 F Range 19 5 mm x 15 24 cm long 0 75 in dia x 6 in with 19 5 mm 0 75 in npt cable end Rain Gauge Input General Information For use with Tipping Bucket Rain Gauge Flow measurement can be initiated upon field selectable rate of rain Flow meter records rainfall data Shielded cable 100 ft length maximum Each tip 2 0 25 mm 0 01 in of rain Analog Input Channels General Information Up to 7 additional data logging channels record data from external source s Four channels with 4 5 to 4 5 V dc input with 1 meg ohm input impedance on each channel and
129. ompany in connection with its products All implied warranties including without limitation the warranties of merchantability and fitness for a particular purpose are expressly disclaimed Some states within the United States do not allow the disclaimer of implied warranties and if this is true in your state the above limitation may not apply to you This warranty gives you specific rights and you may also have other rights that vary from state to state This warranty constitutes the final complete and exclusive statement of warranty terms and no person is authorized to make any other warranties or representations on behalf of Hach Company Limitation of Remedies The remedies of repair replacement or refund of purchase price as stated above are the exclusive remedies for the breach of this warranty On the basis of strict liability or under any other legal theory in no event shall Hach Company be liable for any incidental or consequential damages of any kind for breach of warranty or negligence Page 141 End fm Warranty Certification Product Safety Immunity Emissions Page 142 Certification Hach Company certifies this instrument was tested thoroughly inspected and found to meet its published specifications when it was shipped from the factory The 980 Flow Meter has been tested and is certified as indicated to the following instrumentation standards The 980 Flow Meter was tested with pH velocity and ultrasonic senso
130. otherwise not be able to measure velocity properly Upstream Downstream and Always Positive 9 C Press ACCEPT to move to velocity units setup 9 D Setthe velocity units using the CHANGE CHOICE key Refer to Table 25 Table 25 Velocity Unit Choices Abbreviation Velocity Unit fps feet per second 9 E Read the Velocity cutoff warning on the screen Press any key to continue 9 F Enter the Velocity Cutoff using the numeric keypad Press ACCEPT 9 G Enter the Velocity Default using the numeric keypad Press ACCEPT to end the basic programming setup Example 1 Velocity Cutoff 2 0 20 fps Velocity Default O fps If the velocity falls below 0 20 fps the meter will store a value of O fps until the velocity increases above 0 20 fps BasicStartUp fm Section 3 Example 2 Velocity Cutoff 2 0 20 fps Velocity Default 0 20 fps If the velocity falls below 0 20 fps the meter will store a value of 0 20 fps until the velocity increases above 0 20 fps 3 3 Starting and Stopping Programs Note When selecting Start From Beginning all logged data will be cleared from memory When saving the logged data make sure the data is downloaded to a DTU or personal computer prior to pressing START FROM BEGINNING If a program is complete the logger can only be restarted from the beginning and will clear all logged data When basic programming setup is completed run or execute the program selections Press RUN S
131. port to have the Modbus message validated Page 130 SCADA Modbus System Guidelines 980Scada fm Appendix D 980 SCADA Modbus No Response Troubleshooting Flow Chart 5 of 5 Returned values do not match the values in the 980 display e g If polling for flow are you requesting register 40033 Are you SURE Verify the correct register the correct register addresses in Appendix H and addresses are being requested change the address of the for the values you registers being requested want returned as needed Are you Check the Modbus device SURE the Modbus address in the Communications deviceaddress of the Setup menu of the 980 980 is correct Change as needed Does the baud Change the baud rate in rate of the 980 match that either the 980 or the Modbus of the Modbus Server server so that both are set to the same baud rate Configure the Modbus server and MMI to interpret the values Have you configured the Modbus server and or MMI to interpret the Units of Measure as integer values Are the integer values for Units of Measure being returned correctly being returned for Units of NO Measure as 16 bit integer values If you re not sure how to do this contact the server or MMI manufacturer for assistance Have you configured the Modbus server and or MMI to interpret the Channel Data being returned as floating point values YES YES
132. qualified technician should service the 980 Flow Meter For example steps that require knowledge of CMOS electrostatic discharge precautions and advanced electronics training should only be performed by a qualified technician If you need assistance in performing any of the following service steps please contact the manufacturer 5 2 1 Internal Maintenance Items The following items require access to the inside of the case for service e Interface connectors e HAM memory batteries e Fuses 5 2 2 A Opening the Front Panel DANGER Always disconnect external power sources to the flow meter before opening the front panel To open the front panel loosen the two hold down screws with a flat blade screwdriver 5 3 A Fuse Replacement Maintenance fm DANGER Internal power switch does not remove power from the fuses Remove power from all external power sources when installing a fuse DANGER For continued protection against fire replace fuses with only fuses of specified type and current rating Page 93 Maintenance Section 5 The ac main fuses are located in the customer wiring area Replace the fuses as follows 1 Disconnect all power to the instrument including relay power 2 Open the front cover of the instrument by loosening the two corner screws 3 To remove a fuse pull it straight out of the clips that hold it in place A typical blown fuse will have a noticeable broken wire strand inside the tube Occasionall
133. r period for finer detail or center the graph on a specific point in time Selecting the Channel Note Only the channels for 1 Press DISPLAY DATA from the Main Menu to display a list of logged which logging has been enabled channels will be listed 2 Highlight the desired channel with the UP and DOWN keys Press SELECT 11 00 AM 21 APR 01 DISPLAY DATA SELECT cow A RAINFALL Page 101 AppendxProgramFeatures fm Programming Features Appendix B Tabular or Graph Format 1 Highlight the display method with the UP and DOWN keys Press SELECT 11 00 AM 21 APR 01 DISPLAY DATA SELECT pISPLAY DATA DISPLAY BY GRAPH Table 27 Display Data Functions and Descriptions Function Description ss View from time date Displays the data for the selected channel beginning from any desired time and date Enters a new desired time and date Note Totals displayed are calculated by summing the logged data If the date selected precedes available logged data memory has wrapped the total will be incorrect Display Data by Graph Graph day Displays data for a specified date Data for the selected date is graphed from midnight to midnight Graph point in time Displays data for a specified time and date The graph displays three hours of data with the selected point in the time at the corner of the graph Graph partial day Zooms in on a portion of the logged data Graph Manipulation Table 28 Grap
134. rained to work with chemicals should handle chemicals or perform maintenance on chemical delivery systems associated with the equipment This symbol if noted on the product indicates the need for protective eye wear This symbol when noted on the product identifies the location of the connection for Protective Earth ground Page 7 Safety fm Safety Precautions Safety Precautions Confined Space Entry Hazardous Locations Page 8 Safety Precautions DANGER Additional training in Pre Entry Testing Ventilation Entry Procedures Evacuation Rescue Procedures and Safety Work Practices is necessary to ensure against the loss of life in confined spaces Important Note The following information is provided to guide users of 980 Flow Meters on the dangers and risks associated with entry into confined spaces On April 15 1993 OSHA s final ruling on CFR 1910 146 Permit Required Confined Spaces became law This new standard directly affects more than 250 000 industrial sites in the United States and was created to protect the health and safety of workers in confined spaces Definition of Confined Space A Confined Space is any location or enclosure that presents or has the immediate potential to present one or more of the following conditions e An atmosphere with less than 19 5 or greater than 23 5 oxygen and or more than 10 ppm Hydrogen Sulfide H5S e Anatmosphere that may be flammable or explosive due to gases vapors
135. ration data to use when learning how to use the graphing screen for the first time or for training others on its operation No data logging is required to use the demonstration graph A velocity sensor must be installed in the flow stream and must be connected to the meter in order for this diagnostic to work This diagnostic allows the viewing of real time readings directly from the Submerged Area Velocity Sensor It shows the current velocity Signal Strength percentage of Doppler signal returning to the sensor and a real time velocity measurement of the flow stream Use this diagnostic to determine that the sensor is mounted for optimal velocity measurement The closer to 100 the Signal Strength is the more stable the velocity reading will be If the signal seems low 50 or less it may be due to improper installation of the sensor or a lack of particulate in the flow stream 11 00 AM 21 APR 01 VELOCITY ANALYSIS SIGNAL STRENGTH 90 VELOCITY 7 00 fps RETURN The Event Log diagnostic provides a time date stamped list of significant events occurring in the flow meter Review these events to find out when an event occurred and what events preceded or followed the event of interest Events may be viewed in chronological order from the beginning or end of the event list by selecting VIEW FROM START or VIEW FROM END respectively AppendxProgramFeatures fm Set Point Sampling AppendxProgramFeatures fm Appendix B Fixed
136. ream that might affect the measurement and keeps the tape measure or ruler clean Measuring the Water Level 4 13 2 Calibrating the Submerged Area Velocity Sensor Note The data is constant if the difference between the level reading of the flow meter and the independent verification is constant recalibration is not required Note Errors can occur with the level reading of the flow meter and the independent verification Errors are caused by variation in site conditions and measurement abilities These errors may cause slight variations in the difference therefore not indicating a true change in the difference Page 88 Submerged Area Velocity Sensors Calibrating the submerged area velocity sensor synchronizes the meter electronics with the unique characteristics of each individual probe In addition the calibration compensates for a drift in the output of the sensor that may occur as the materials in the sensor age To ensure optimum accuracy the manufacturer recommends calibrating the submerged area velocity sensor when The sensor is first used Installing a new or different sensor on a flow meter or input receptacle The difference between the level reading of the flow meter and the independent verification measurement with a dipstick and ruler is increasing This calibration requires a bucket with at least 7 in 20 cm of water and a ruler 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS gt CAL
137. res the sensor may have a bad temperature sensor Try a different sensor on the same flow meter to rule out instrument problems and try a different flow meter with the same sensor to rule out sensor problems Page 76 Downlook Ultrasonic Sensor Setup fm Section 4 Problem Error Message Possible Causes and Solutions Try moving the transducer farther from the liquid Check the area under the transducer for obstructions This includes the area in front and to the sides of the transducer Transducer Ringing Check the face of the transducer for a coating This is rare but cleaning the transducer face False return echoes mask may correct the problem If this is a constant problem due to site conditions coat the face of real echoes the sensor with a thin film of silicone grease to keep debris from clinging Make sure that you are using the proper rubber isolation washers on the mounting bracket The transducer can resonate against steel mounting rails See Mounting the Ultrasonic Sensor on page 74 If the CPU is having trouble communicating with the velocity board RS485 time outs may occur Wait a few minutes and see if it goes away If it continues a problem with the ultrasonic velocity or CPU board may exist RS485 Time Out May be caused by difficulty getting a good velocity reading If the logging interval is 1 or 2 esos minutes conditions are poor and the problem continues indefinitely try increasing the logging Flow met
138. rmation If multiple hazards exist this manual will use the signal word Danger Caution Note corresponding to the greatest hazard DANGEHR Indicates a potentially or imminently hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation that may result in minor or moderate injury NOTE Information that requires special emphasis Precautionary Labels Read all labels and tags attached to the instrument Personal injury or damage to the instrument could occur if not observed This symbol if noted on the instrument references the instruction manual for operation and or safety information This symbol when noted on a product enclosure or barrier indicates that a risk of electrical shock and or electrocution exists and indicates that only individuals qualified to work with hazardous voltages should open the enclosure or remove the barrier This symbol when noted on the product identifies the location of a fuse or current limiting device This symbol when noted on the product indicates that the marked item can be hot and should not be touched without care This symbol when noted on the product indicates the presence of devices sensitive to Electro static Discharge and indicates that care must be taken to prevent damage to them This symbol when noted on the product identifies a risk of chemical harm and indicates that only individuals qualified and t
139. robe 50 Cable EE 9708200 Plugs NEMA EE ne RE 4221000 alie NEMA MINES eet EE 4052400 Hall Gauge 29 cable Su cM IM I CM NL REED aa DUUM 9708400 Rain Gauge Cable max length 100 EEN 9708500 Washer sealing Tor Heyco MUNG ss ecoie eeu Petre veh eeu tas 10338 14 Page 138 Parts and Accessories Parts fm Contact Information for U S A and Outside Europe Ordering Information for the U S A By Telephone By Mail 800 635 4567 Hach Company P O Box 389 By Fax Loveland Colorado 80539 0389 970 461 3915 U S A Ordering information by E mail orders 9 hach com Information Required e Hach account number if available Billing address e Your name and phone number e Shipping address e Purchase order number e Catalog number e Brief description or model number e Quantity Ordering Information for Outside the U S A and Europe Hach Company maintains a worldwide network of dealers and distributors To locate the representative nearest you send E mail to intl hach com or visit www hach com Technical Support Technical and Customer Service Department personnel are eager to answer questions about our products and their use In the U S A call 1 800 635 4567 Outside the U S A and Europe send E mail to intl 9 hach com Repair Service Authorization must be obtained from Hach Company before sending any items for repair Please contact the Hach Company Service Center serving your location Hach Company P O Box 389
140. rs connected UL 3101 1 ETL Listing H0492805390 CSA C22 2 No 1010 1 ETLc Certification HO492805390 Certified by Hach to EN 61010 1 IEC1010 1 per 73 23 EEC supporting test records by Intertek Testing Services The 980 Flow Meter and sensors were tested for Industrial level EMC per EN 61326 EMC Requirements for Electrical Equipment for Measurement Control and Laboratory Use per 89 336 EEC EMC Supporting test records by Hach Company certified compliance by Hach Company Standards include IEC 1000 4 2 1995 EN 61000 4 2 1995 Electro Static Discharge Immunity Criteria B IEC 1000 4 3 1995 EN 61000 4 3 1996 Radiated RF Electro Magnetic Field Immunity Criteria A IEC 1000 4 4 1995 EN 61000 4 5 1995 Electrical Fast Transients Burst Criteria B IEC 1000 4 5 1995 EN 61000 4 5 1995 Surge Criteria B IEC 1000 4 6 1996 EN 61000 4 6 1996 Conducted Disturbances Induced by HF Fields Criteria A IEC 1000 4 11 1994 EN 61000 4 11 1994 Voltage Dip Short Interruptions Criteria B Additional Immunity Standard s include ENV 50204 1996 Radiated Electro Magnetic Field from Digital Telephones Criteria B The 980 Flow Meter and sensors were tested for Radio Frequency Emissions as follows Per 89 336 EEC EMC EN 61326 1998 Electrical Equipment for measurement control and laboratory use EMC requirements Class A emission limits Supporting test records by Hewlett Packard Fort Collins Colorado Hardware Test Ce
141. s messages de prudence et notes qui demandent une attention particuliere Lire et suivre ces instructions attentivement pour viter les risques de blessures des personnes et de d t rioration de l appareil Les t ches d installation et d entretien d crites dans cette partie du mode d emploi doivent tre seulement effectu es par le personnel qualifi pour le faire PELIGRO Algunos de los capitulos del manual que presentamos contienen informaci n muy importante en forma de alertas notas y precauciones a tomar Lea y siga cuidadosamente estas instrucciones a fin de evitar accidentes personales y da os al instrumento Las tareas de instalaci n y mantenimiento descritas en la presente secci n deber n ser efectuadas unicamente por personas debidamente cualificadas GEFAHR Einige der folgenden Abschnitte dieses Handbuchs enthalten Informationen in Form von Warnungen VorsichtsmaBnahmen oder Anmerkungen die besonders beachtet werden mussen Lesen und befolgen Sie diese Instruktionen aufmerksam um Verletzungen von Personen oder Schaden am Gerat zu vermeiden In diesem Abschnitt beschriebene Installations und Wartungsaufgaben durfen nur von qualifiziertem Personal durchgefuhrt werden PERICOLO Alcune parti di questo manuale contengono informazioni sotto forma d avvertimenti di precauzioni e di osservazioni le quali richiedono una particolare attenzione La preghiamo di leggere attentivamente e di rispettare quelle istruzioni per evitare
142. se to meet the requirements of the application Some applications with high flow rates will require a high scaling factor while low flow rates will require a low scaling factor The scaling factor is displayed whenever a total flow number is displayed As indicated in the Status Screen below the total flow is displayed as TOTAL x1000 465 gal Multiplying the displayed total flow by the scaling factor 1000 gives an actual total flow of 465 000 gallons 11 00 AM 21 APR 01 STATUS SCREEN LEVEL 8 688 in FLOW 71 39 mgd TOTAL X1000 465 gal 7 2 pH 16 9 volts RUNNING 1 From the Main Menu select OPTIONS ADVANCED OPTIONS gt FLOW TOTALIZER to display the Modify Setup Reset and View Total screen Modify Setup selects a totalizer scaling factor and a flow unit of measure 1 Highlight Modify Setup using the UP and DOWN keys Press SELECT 2 Setthe Totalizer Scaling factor using CHANGE CHOICE key All three totalizers are scaled with one of seven scaling factors X1 X10 X100 X1000 X10 000 X100 000 or X1 000 000 The selected scaling factor always applies to all totalizers Press CHANGE CHOICE to cycle through the available scaling choices Press ACCEPT 3 Setthe Total Flow Units using the CHANGE CHOICE key to cycle through the choices Total Flow Units are independent of the flow units selected in the Setup Menu Flow units of measure include acre feet cubic feet liters cubic meters and gallons Press
143. serts flush with the four holes on the back of the instrument Refer to Figure 7 Slide two adjustable clamps on each bracket Adjust the clamps to meet the approximate size of the rail pole and secure by tightening the clamp screw Match the screw holes on the bracket to the holes on the back of the instrument Mount the bracket to the instrument using four M4 x 8 mm screws Refer to Figure 9 Place a commercially sold hose clamp through the bracket and clamps to attach the instrument to the rail pole Page 25 Mounting Options Section 2 Figure 9 Rail Pole Mounting 1 For mounting on a vertical pipe or rail 2 For mounting on a horizontal pipe or rail Page 26 Mounting Options Installation2 fm Section 2 2 4 A Wiring Safety Information DANGER When making any wiring connections to the 980 Flow Meter the following Always disconnect power to the warnings and notes must be adhered to as well as any warnings and notes instrument when making found throughout the individual installation sections For more safety electrical connections information refer to Safety Precautions on page 7 des Electrostatic Discharge ESD Considerations Important Note To minimize Delicate internal electronic components can be damaged by static electricity hazards and ESD risks resulting in degraded instrument performance or eventual failure maintenance procedures no
144. smitting frequency to the tables listed below Analog Input Offending Frequency Measurement Error Specification mega Hz milli V milli V Measurement Error Specification C C 038 meet te Level Accuracy Offending Frequency Measurement Error Specification mega Hz inch inch 2 2 2 1 D H 1 6 6 2 8 3 9 5 Page 99 Troubleshoot fm Troubleshooting Measurement Errors Visit http www bach com Appendix B Programming Features Review All Items To view programmed entries without accidently changing any of the information select the Review All Items from the Setup menu This information fills more than one screen scroll through the setup information one page at a time with the arrow keys Press the MAIN MENU key to exit 11 00 AM 21 APR 01 STATUS SCREEN REVISION 1 00 FLUME TYPE PALMER BOWLUS FLUME FLUME SIZE 12 in SAMPLER PACING mgd FLOW UNITS gal LEVEL in 11 00 AM 21 APR 01 STATUS SCREEN CHANNEL3 ppm NOT LOGGED CHANNEL A ppm NOT LOGGED CHANNEL5 ppm NOT LOGGED CHANNEL6 ppm NOT LOGGED CHANNEL7 ppm NOT LOGGED MEMORY MODE WRAP Displaying Data The Display Data function provides the recorded data for any channel being logged in a tabular report or a graph In addition for tabular reports the data can be viewed from the beginning from the end or from a specific point in time A graph can display any 24 hour period zoom in to any portion of the 24 hou
145. stom cable up to 100 ft Probe Dimensions Length 12 7 cm 5 inches Width 3 81 cm 1 5 inches Height 2 03 cm 0 8 inches Dedicated Mounting Rings mounting clips recommended for pipe diameters 8 in or under Mounting Plate for permanent mounting drills to pipe wall Adjustable Mounting Band Kit Sensor connector to quick connect hub bare lead connection via terminal block or bare lead connection to junction box with bare lead junction box via terminal block Connection Velocity Accuracy 2 of reading Zero stability 0 05 fps 0 015 m s Operating Temperature 18 to 60 C 0 to 140 F Temperature Error 0 005 to 3 5 m 0 0022 m C 0 018 to 11 5 ft 0 004 ft F 0 005 to 10 5 m 0 006 m C 0 018 to 34 6 ft 0 012 ft F Velocity maximum error within compensated temperature range per degree of change Draw down correction2 0 to 3 05 mps 0 to 10 fps 0 085 of reading Air Intake Atmospheric pressure reference is desiccant protected 1 See Troubleshooting Measurement Errors on page 99 2 U S Patent 5 691 914 Page 12 Specifications Section 1 Introduction 1 1 Instrument Description Figure 1 Overview fm 980 Flow Meter The 980 Flow Meter is an ultrasonic level detection meter with rugged NEMA 4X IP66 construction The 980 Flow Meter case has several unique features all designed to simplify installation operation and maintenance All controls are located wi
146. t requiring power to the analyzer The manufacturer recommends taking the following steps to prevent ESD should be performed with power removed damage to your instrument Before touching any instrument electronic components such as printed circuit cards and the components on them discharge static electricity from your body This can be accomplished by touching an earth grounded metal surface such as the chassis of an instrument or a metal conduit or pipe To reduce static build up avoid excessive movement Transport static sensitive components in anti static containers or packaging To discharge static electricity from your body and keep it discharged wear a wrist strap connected by a wire to earth ground Handle all static sensitive components in a static safe area If possible use anti static floor pads and work bench pads 2 5 A Wiring the Controller The 980 Flow Meter is divided into two sections by a voltage isolation barrier The left side of the barrier contains the high voltage wiring and the right side of the barrier contains the low voltage wiring See Figure 10 for proper placement of connectors Installation2 fm Page 27 Wiring Safety Information Section 2 Figure 10 Enclosure Wiring Access
147. tective cover over the sensor terminal connection Note Route wires through 4 Attach a NEMA approved conduit or compression fitting to one of the NEMA approved conduit hubs Ve in openings on the bottom of the instrument and route the ultrasonic Cat No 16483 to ensure water cable through the opening and dust do not enter the enclosure 5 Install wires to the proper screw terminal block TB5 and TB6 Refer to Table 13 and Table 14 for connection pin assignments and Figure 23 Page 44 Wiring the Downlook Ultrasonic Sensor Installation2 fm Section 2 6 To ensure protection against electrical shock reinstall the protective cover over the Ultrasonic and terminal connections Table 13 Ultrasonic Terminal Block Connections TB5 Signal Description Wire Type Table 14 Ultrasonic Terminal Block Connections TB6 Figure 23 Ultrasonic Transducer Connections 1 ON FF No VY 1 Protective Cover for TB5 and TB6 2 Cable to Ultrasonic Sensor 2 17 A Wiring the In Pipe Ultrasonic Sensor The in pipe ultrasonic sensor is wired to the 980 Flow Meter the same way as the ultrasonic downlook Refer to section 2 16 Wiring the Downlook Ultrasonic Sensor on page 44 Only install an ultrasonic downlook or an in pipe ultrasonic sensor to the instrument they cannot be connected at the same time Page 45 Installation2 fm Wiring the In Pipe Ultrasonic Sensor Section 2
148. ter requirements is built in to the 980 Flow Meter Rainfall is monitored with an optional Rain Gauge A connection is then made from the 980 Flow Meter Sampler Interface to an automatic liquid sampler A typical storm water program might be configured to activate when a storm causes a level of at least 3 in 7 6 cm in the outfall channel and 0 10 in 2 5 mm of rainfall within 30 minutes Or it might be desirable to activate the AppendxProgramFeatures fm AppendxProgramFeatures fm Appendix B program if either the rainfall occurs or the channel level exceeds the limit Any combination of rainfall and level conditions can be used to activate a storm water program Specific requirements can vary however from state to state Consult state regulatory groups for recommendations on storm water permit requirements for specific applications To configure the Storm Water program in the flow meter proceed as follows 1 From the Main Menu select OPTIONS gt ADVANCED OPTIONS gt STORM WATER Highlight Storm Water on the Advanced Options Menu Press SELECT Press CHANGE CHOICE to enable Storm Water then press ACCEPT Select a Start Condition e Rain e Level e Rain and Level both conditions must be met to begin program e Rain or Level either condition must be met to begin program Enter the Start Condition limits e For Rain enter the amount of rainfall and the time period within which it must fall e For Level enter
149. terial or workmanship for a period of one year from date of shipment In the event that a defect is discovered during the warranty period Hach Company agrees that at its option it will repair or replace the defective product or refund the purchase price excluding original shipping and handling charges Any product repaired or replaced under this warranty will be warranted only for the remainder of the original product warranty period This warranty does not apply to consumable products such as chemical reagents or consumable components of a product such as but not limited to lamps and tubing Contact Hach Company or your distributor to initiate warranty support Products may not be returned without authorization from Hach Company Limitations This warranty does not cover e Damage caused by acts of God natural disaster labor unrest acts of war declared or undeclared terrorism civil strife or acts of any governmental jurisdiction e Damage caused by misuse neglect accident or improper application or installation e Damage caused by any repair or attempted repair not authorized by Hach Company e Any product not used in accordance with the instructions furnished by Hach Company e Freight charges to return merchandise to Hach Company e Freight charges on expedited or express shipment of warranted parts or product e Travel fees associated with on site warranty repair This warranty contains the sole express warranty made by Hach C
150. the level limit e For Rain and Level and Rain or Level enter the amount of rainfall and the time period within which it must fall and the desired level limit Page 111 Programming Features Visit http www bach com Appendix C Programming Worksheet Basic Programming Guidelines SETUP MENU ProgrammingAppendix fm Go through all items in the Setup menu and configure each one Heview items in the Advanced Options menu and configure any items Always check Data Logging and Totalizer Setup Data logging channels must be enabled if you want to record the data in memory Also the totalizer should be configured with an acceptable scaling factor for the flow rate at each site Go to the options menu and set the time and date if they have not already been set When finished press RUN STOP to start the program Photocopy the following worksheets to record your program settings at each site for easy reference From the Main Menu select SETUP MODIFY ALL ITEMS 1 Select FLOW unit of measure gps gpm gph Ips Ipm Iph mgd afd cfs cfm cfh cfd cms cmm cmh cmd Select LEVEL unit of measure cm m in ft Select a PRIMARY DEVICE Flume Type SIZE Weir Type Sze Nozzle Type e 9lZ0 Manning Formula Slope Houghness Pipe Diameter Power Equation Ky n4 Ko j N3 Head vs Flow Enable PROGRAM LOCK password Y N Password is always 9800 P
151. thin easy reach on the front panel behind a clear protective front cover The 980 Flow Meter has eight wiring holes located along the bottom of the case The one 1 38 in and the seven 0 875 in conduit holes provide easy access for all power sensor control and communications wiring Connections to the 980 Flow Meter are made in the wiring panel behind the front cover The interface connector ports are located on the bottom of the instrument The 980 Flow Meter comes standard with a quick connect RS232 serial communications port In addition the flow meter can connect to a wide variety of optional peripheral devices e 4 20 mA Current Loop e Rain Gauge e Up to three 4 20 mA Inputs e Sampler e Up to four 4 5 V dc Inputs e pH Sensor e Mechanical Totalizer e Modem Page 13 Introduction Section 1 The 980 Flow Meter is available with one of the depth velocity measurement technologies e Ultrasonic Sensor e Area Velocity Submerged Sensor e Velocity Sensor 1 2 Front Panel Features and Controls The 980 Flow Meter front panel features the keypad and the liquid crystal display LCD The side of the 980 Flow Meter provides a connection for an RS232 serial interface temporary connection The clear front cover of the instrument protects the control panel and display window while providing a clear view of the flow meter status on the display The cover perimeter contains a gasket seal to keep moisture and dirt from entering t
152. ting it even with the cable jacket Insulate the remaining exposed shield with tape or heat shrink tubing Table 9 Conduit RS232 Terminal Block Connections TB11 TXD DTR RXD DSR common shield Reconnecting the RS232 Quick Connect 1 With the power to the controller off use a flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover 2 Disconnect the RS232 permanent conduit connection 3 Connect RS232 side connector Quick connect to the hub on the side panel of the instrument 4 Wire the RS232 side connector Refer to Table 10 and Figure 19 Table 10 Side Connector RS232 Terminal Block Connections TB11 DTR red This serial interface can be used for the SCADA Modbus interface See Appendix D on page 117 This port may be configured to communicate at 1200 2400 4800 9600 or 19 200 baud Cable Required RS232 Flow Meter to PC Cable Assembly 10 ft 3 0 m long 6 pin connector on one end 9 pin connector on the other end Cat No 1727 Page 40 Wiring the RS232 Installation2 fm Section 2 Figure 19 RS232 Wiring Connections TL CH TL No Connection 1 Disconnect wires and secure appropriately 3 Conduit Hub 2 RS 232 Quick Disconnect shown disconnected 4 RS 232 Input Output 2 14 A Wiring the Modem Interface DANGER Use this connection with the internal modem and a stand
153. tion Use this option at sites with fairly consistent velocities and low to medium turbulence The flow stream jest over the sensor should be relatively straight with no drops or turns near the measurement point stream j Mount the sensor in the pipe beveled edge facing into the flow where the flow stream enters the measurement area See Figure 42 Use this option when the sensor is installed downstream of the measurement point where the flow stream exits the site This option is useful when more than one flow stream enters a site and the combined flow of all streams at a single exit point is measured Mount the sensor in the downstream direction rather than the typical upstream direction Mounting the Downstream sensor backwards in this manner see Figure 42 causes the velocity direction readings to be the opposite of actual stream flow By selecting the Downstream choice when programming the logger reverses the measured signal to show actual flow direction beveled edge downstream Note The maximum velocity obtained in this type of installation is 5 fps Extremely turbulent conditions can make it difficult to detect the flow direction Particles in the flow stream particularly near the surface of the stream may travel in several different directions even though most of the flow is moving in one general direction Although the velocity magnitude is generally consistent in u these cases reflections from the particles
154. tion on page 27 Open the cover Strip the insulation from alarm relay leads Y inch Attach a NEMA approved conduit or compression fitting to one of the Y in openings on the bottom of the instrument and route the cable wires through this opening Pull out the twelve pin removable terminal block See Figure 16 for terminal block position Insert each bare wire end into the supplied twelve pin connector until the wire insulation is seated against the connector Do not leave any of the bare wire exposed Plug the connector back onto the circuit board SS Locating TB13 for Alarm Relay Connection 234567 8 9 101112 a un n em mn pa em und 1 c k Ki 2 Onerelay connection shown 3 J13 12 pin terminal block Installation2 fm Section 2 2 11 A Wiring the Rain Gauge An external tipping bucket rain gauge such as Cat No 9708400 can be connected to the rain gauge connector of the 980 Flow Meter The rain gauge provides a dry contact closure to the flow meter 1 Disconnect all power to the 980 Flow Meter See Wiring Safety Information on page 27 2 Use a large flat blade screwdriver to loosen the two screws securing the 980 Flow Meter cover Open the cover 3 Strip insulation from the rain gauge leads 1 4 inch Note Route wires through 4 Attach a NEMA approved conduit or compression fitting
155. ts Primary Device Table 43 Advanced Options MAIN MENU OPTIONS ADVANCED OPTIONS Select a channel to assign to output A or B Enter 20 mA input value 4 20 mA Outputs Enable Disable Select output A or B Select Report via Modem Set Relay 1 Set Relay 2 Set Relay 3 Set Relay 4 Select one memory battery modem failure U sonic echo loss X ducer ringing Enable U sonic failure RS485 timed out Disable Set deadband fei Enter temperature of Enter pH for Place sensor in second Enter pH for 4 20 mA Enter actual Press a outputs Select Output A or B Press a key for 4 mA output key for 20 Enter actual output current Submerged Calibration Area Velocity Place probe on a flat surface and press any key Sensor Select Level Flow pH ORP Temperature Chi Ch2 Ch3 Ch4 Ch5 Ch6 Ch7 Disable Submerge sensor to Enter new known depth depth i a d Enter pou Enter new level Calibrate U Sonic EE EE ambient Ultrasonic Sensor 75 KHz Sensor temperature Sensor only Height Set invisible range Enter distance to end of invisible range Communication Device address Setup RS232 Set baud rate Language Select a second language Select Data log Select Inputs Select rainfall pH mV temp velocity level flow Ch1 etc logged or SR di Select units not logged Select Keypad test LCD display test Demonstration graph velocity analysis system events log Modify setup Select scaling factor
156. veraging The 980 Flow Meter can display a graph that consists of a maximum of 180 individual dots Since a 24 hour period could contain as many as 1 440 data points assuming a one minute recording interval one reading each minute it would be impossible to plot every data point on the graph When more than three hours more than 180 minutes worth of data is graphed the data points must be averaged When graphing a partial day of three hours or less all data points are graphed with no averaging When viewing a graph with more than 180 data points zoom in to the area of interest using the Graph Partial Day option before all of the individual data points are displayed Options Features 11 00 AM 21 APR 01 TIME DATE ADVANCED OPTIONS READY TO START The Options menu can set the e Time and Date for the real time clock in the 980 Flow Meter e Program the advanced features of the flow meter e Select level sensor when multiple sensors are installed Setting the Time and Date From the Main Menu select OPTIONS gt TIME DATE 11 00 AM 21 APR 01 TIME DATE ACCEPT AN J APR _ CLEAR CHANGE ENTRY MODE 12 HR FORMAT MONTH USE KEY TO CHANGE 12 24 HR FORMAT Starting with the hours and minutes use the numeric keypad to enter numbers in the flashing cursor Use the keys to toggle between 12 hour and 24 hour formats Use the soft keys on the right of the display to toggle the AM PM and month fields to
157. y Sensor Velocity Measurement S lt FLOW 4 12 1 Programming the Velocity Only Sensor 1 2 From the MAIN MENU select SETUP gt MODIFY SELECTED ITEMS Highlight Velocity Direction using the UP and DOWN keys Press SELECT Set the velocity direction upstream downstream or always positive using the CHANGE CHOICE key Refer to Compensating for Velocity Direction on page 86 for more information on velocity direction Press ACCEPT Highlight Velocity Units using the UP and DOWN keys Press SELECT Set the Velocity Units fps or m s using the UP and DOWN keys Press ACCEPT Highlight Velocity Cutoff using the UP and DOWN keys Press SELECT Read the Velocity Cutoff information screen Press any key to continue Set the Velocity Cutoff using the numeric keypad Press ACCEPT Set the Velocity Default using the numeric keypad Press ACCEPT Press RETURN to go back to the Setup Menu or MAIN MENU to return to the beginning 4 12 2 Calibrating the Velocity Only Sensor No calibration is required for the velocity sensor The transmit frequency is fixed with a highly accurate quartz crystal controlled frequency generator that cannot be adjusted Setup fm Page 83 Velocity Only Sensor Section 4 4 12 3 Installing the Velocity Only Sensor in a Pipe 4 12 3 1 Important Guidelines for Velocity Only Sensor Installation Do not install more than one probe at a time in pipes less than 24 inches in diameter 61 cm Multiple
158. y it may take an ohmmeter to verify if a fuse is good or not 4 Replace the fuses F1 and F2 with the same type and amperage T 1A 250V Cat No 015804 Over rating or bypassing a fuse could result in fire or electrical safety hazards Figure 9 1 Locating the Fuses F1 and F2 ON ON OFF No Connection 1 F1 and F2 T 1A 250V 5 4 Memory Batteries RAM random access memory is a very reliable data storage medium for microprocessor applications Random Access Memory requires power at all times to store its data however If power is removed the data stored in the RAM chip is lost Therefore it is not feasible to power the RAM chips from the meter power supply because you would lose your data and program settings every time power is disconnected A separate battery pack located inside the flow meter powers the RAM chips and the real time clock Page 94 Memory Batteries Maintenance fm Section 5 The memory batteries consist of three AA alkaline cells They are located on the rear panel assembly and are easy to replace Use only good quality alkaline AA battery cells as replacements The memory batteries Cat No SE 989 keep the program entries and logged data stored in RAM memory when the main power fails or is removed for transport or replacement If the memory battery voltage falls too low to properly maintain the program settings a warning MEMORY BATTERY will flash in the lower right corner

Sigma 980 Flow Meter User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents