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Greyline OCF 6.1, User Manual

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Greyline OCF 6.1 User Manual Download Page 31

 

Page 31 

OCF 6.1 Open Channel Flow Monitor 

 

C 

-  sensor cable connections reversed   

 

C 

-  through sensor cable 

 

-  use properly 

grounded

 metal conduit 

 

 

 

C 

-  sensor cable extended and junction 

not   insulated 

 

-  Use metal Junction Box 

C 

-  through enclosure   

-  use metal enclosure 

C 

-  through 4-20mA output cable 

 

-  use shielded twisted pair (shielded to AC 
ground) 
-  use grounded metal conduit 

C 

-  wiring or installation close to variable 

speed drive or inverter 

 

- follow V.S.D. manufacturer’s instructions for 

Drive grounding, wiring and shielding 

 

Unit Receives No Return Echo Due To: 
 

C,F,E 

-  foam on liquid surface 

 

-  use stilling well (open channel flow) 

B 

-  target beyond 

Max Range

 

 

-  recalibrate 

F 

-  sensor damaged 

 

-  remove sensor from mounting and aim at a 

flat, stable target to test 

F 

-  sensor misalignment 

 

-  check with a level 

 

Wiring Problems Due To Sensor Cable: 
 

A,C,F, 

-  open circuit   
 

-  check connections/continuity  (8850 to 12700 

ohms max./-30°C to +70°C ) 

B,F 

-  short circuit  

-  check connections/continuity (8850 ohms 
min.) 

F 

-  too long (max 500 ft., 150 m) 

 

 

C 

-  bundled/run in conduit with power 

cable  

 

C 

-  sensor ground shorted to 

conduit/enclosure   

-  insulate 
 

A 

-  extended with wrong type of wire   

-  use RG62A/U coaxial only 

C 

-  close to high voltage/large motors 

 

C 

-  AC chassis/ground missing on 

instrument power connections 

 

 

 

 

 

Non-Linearity Due To: 

Summary of Contents for OCF 6.1

Page 1: ...www greyline com USER S GUIDE Installation Operation Instructions Open Channel Flow Monitor Model OCF 6 1 Manual Series A 1 0 ...

Page 2: ...Note This page has been left blank intentionally ...

Page 3: ...HODS 24 ERROR WARNING MESSAGES 29 FIELD TROUBLESHOOTING 30 APPLICATIONS HOTLINE 34 PRODUCT RETURN PROCEDURE 34 APPENDIX A OPTIONS 36 MODBUS COMMUNICATION 40 CONVERSION GUIDE 55 SPECIFICATIONS 56 IMPORTANT NOTE This instrument is manufactured and calibrated to meet product specifications Please read this manual carefully before installation and operation Any unauthorized repairs or modifications ma...

Page 4: ...r 230 VAC IMPORTANT NOTE To comply with CSA UL electrical safety standards AC power input and relay connection wires must have conduit entry to the instrument enclosure Installation requires a switch overcurrent fuse or circuit breaker in the building in close proximity to the equipment that is marked as the disconnect switch Risk of electric shock Loosen cover screw to access connections Only qua...

Page 5: ... Monitor CONNECTIONS AC L N NO C NC NO C NC 4 20mA RLY2 RLY1 NC C NO NC C NO NC C NO NC C NO RLY3 RLY4 RLY5 RLY6 EXTRA RELAYS OPTION POWER INPUT HEATER OPTION AC GND SERIAL COMMUNICATION OPTION RS 485 Output G SENSOR CORE WHT SHLD GRN ...

Page 6: ... Arrows show the four directions to leave a menu box Press a key to move to the next item in the direction shown Move the cursor highlighted under numerals and increase or decrease numerals with the and keys To store calibration values permanently even through power interruptions press ...

Page 7: ... 0 0 Ma x Ti me 0 0 0 0 USG m Mi n i mu m 9 1 5 0 0 Mi n Ti me St a t u s Ra n g e 1 0 0 f t L e v e l 1 1 0 0 f t Fl o w 0 0 0 USG m Mi n Fl o w 0 0 0 USG m Ec h o Co n f i d e n c e 1 0 0 Re l a y s 1 2 3 4 5 6 Ca l i b r a t i o n Ra n g e Ma x 3 2 0 0 f t Mi n 1 0 0 f t Mo d e Fl o w 2 0 mA 2 8 8 9 0 L s 4 mA 1 8 8 7 8 L s Of f s e t 0 0 0 f t L OE Ti me 3 0 s e c Da mp i n g Mo d e FI R Pe r ...

Page 8: ...Page 8 OCF 6 1 Open Channel Flow Monitor ICONS 1 2 Message waiting Press Data logging off 1 2 Data logging on 1 2 3 4 USB file download File download completed Download Error Echo OK 3 2 1 Loss of Echo ...

Page 9: ... current level measurement The difference between the Max Range programmed in the Calibration menu and the measured range Flow Displays the current flow rate in engineering units set in the Units Mode menu Min Flow Displays the minimum flow rate set in the Calibration menu Flow rates below the Min Flow will be shown as 0 on the main display Echo Confidence Displays Echo Confidence in percentage 10...

Page 10: ... the Main display press to get to Password Factory default password is 0000 and if it has not been changed the meter will directly proceed to the Menu Selections screen If a password is required press to place the cursor under the first digit and or to set the number then to the second digit etc Press or to proceed to the Menu Selections screen A new password can be stored by going to Special Func...

Page 11: ...nits for volume Note bbl denotes US oil barrels Press the to store your selection then the to the next menu item At Multiplier press the and then the or to select the totalizer multiplier Multipliers are used when resolution down to single digit is not required or when you don t want to convert from gallons to thousands of gallons as an example Press to store your selection then to the next menu i...

Page 12: ...G d Imperial gallons per day bbl m barrels per minute 1 bbl 42 USG gal IG d Imperial gallons per day bbl d barrels per second 1 bbl 42 USG gal IG d Imperial gallons per day USMG d US million gallons per day IMG d Imperial million gallons per day USMG h US million gallons per hour IMG h Imperial million gallons per hour USMG m US million gallons per minute IMG m Imperial million gallons per minute ...

Page 13: ...ts the 4mA output value in engineering units set in the Units Mode menu Offset Sets an Offset value in engineering units set in the Units Mode menu This parameter can be used to be a one point adjustment to the Range reading LOE Time Press and or to change the number of seconds without receiving an echo before the OCF 6 1 displays ECHO LOSS and Control relays change state as calibrated under Relay...

Page 14: ...OW PASS filter behave the same Percent Set the damping value for level reading Lower values provide fast response to changing levels and higher values provide a slower response Factory default value is 10 Window The Window sets a boundary around the running average where if the measured value falls outside the window the meter will make a more rapid response to the new value FIR or will hold the l...

Page 15: ...Distance from sensor to Max Level Minimum range MAX RANGE MAX LEVEL must be at least 8 20 3 cm depending on sensor model 2 Check the maximum range with the sensor installed by a When liquid is at zero level press to view the Range reading in the Status menu Use this range measured by the OCF 6 1 as the Max Range setting or b Carefully measure distance from sensor to zero level with a tape measure ...

Page 16: ...d t h i n 0 0 0 0 Ch a n n e l Se t u p Ty p e R W e i r w EC e c t 0 0 0 0 W i d t h i n Ch a n n e l Se t u p Ty p e R W e i r e c t 0 0 0 0 W i d t h i n Ch a n n e l Se t u p Ty p e Tr a p e z i d a l o Si z e Ex t r a l a r g e 6 0 L a r g e 6 0 Sma l l 6 0 1 2 i n 4 5 SRCRC 2 i n 4 5 W SC 8 i n 6 0 Ch a n n e l Se t u p Ty p e RBC Si z e 5 0 mm 2 0 0 mm 1 5 0 mm 1 0 0 mm 7 5 mm Ch a n n e l ...

Page 17: ... Si z e 0 4 f t 1 0 f t 0 8 f t 0 6 f t 0 4 f t Ch a n n e l Se t u p Ty p e L e o p l d L a g c o Si z e 3 6 i n 3 0 i n 2 4 i n 1 8 i n 1 2 i n 1 0 i n 8 i n 6 i n Ch a n n e l Se t u p Ty p e Pa l me r Bo wl u s Si z e 4 8 i n 4 2 i n 3 6 i n 3 0 i n 2 7 i n 2 4 i n 2 1 i n 1 8 i n 1 5 i n 1 2 i n 1 0 i n 8 i n 6 i n 4 i n Ch a n n e l Se t u p Ty p e Pa r s h a l l Si z e 1 2 f t 1 0 f t 8 f t...

Page 18: ...eet If you determined a K n coefficient outside the use of the Greyline Find K n software be sure that the coefficients are in these units otherwise you will need to convert them before entering them in the meter The Units Mode settings in the meter can be configured to whatever units you desire for flow rate and total The meter will automatically convert the K n in CFS to the programmed units in ...

Page 19: ...crement required between relay pulses Use this feature for remote samplers chlorinators or totalizers Minimum time between pulses is 2 25 seconds and pulse duration is 350 milliseconds Flow Press to Mode and to select Pump Low Alarm or Hi Alarm Note Function setting Flow will change according to selections made under Units Mode eg Level Range Volume or HRT Press to return to Menu Selections LOE mo...

Page 20: ...g data Date Press or to scroll and select Month Day and Year Press to store the setting Time Press or to select the current time in Hours Minutes and Seconds Press to store the setting Interval Press or to select the logging interval Press to store the setting Data Log Stop Start or Delete the log file Press or to Delete and to delete the log file Press or to Start and to start the logger Note You...

Page 21: ...ing menu Download letter will be A for the first download from an instrument B for the second then C etc At the letter Z a character will appear indicating that the maximum number of downloads for that instrument are on the USB flash drive Older files can be erased or moved from the flash memory drive or a new memory drive can be used OPENING LOG FILES Install Greyline Logger on your PC or laptop ...

Page 22: ...amming parameters in the meter Select Yes wait for Done to appear then insert a USB drive into the USB port to transfer the parameters Restore Defaults Select US to erase all user settings and return the instrument to factory default settings with US units Select Metr to return the instrument to factory default settings with metric units New Password Select any number from 0000 to 9999 and press D...

Page 23: ...NO when no intrinsic safety barriers are installed and YES when barriers are installed Standpipe Will be set to NO from the factory Only select YES after factory recommendation to do so Reduces the frequency of pulses sent from the transducer to reduce the potential negative impact of false echoes from inside a tank or standpipe Long Pulse Will be set to NO from the factory Only select YES after f...

Page 24: ...Page 24 OCF 6 1 Open Channel Flow Monitor SENSOR MOUNTING METHODS ...

Page 25: ...llow the flume manufacturer s directions for sensor location The sensor should be centered above the flume approach section and mounted 8 203 mm minimum above the maximum liquid level depending on sensor model The sensor should be protected from physical damage and the sensor cable should be routed in a separate metal conduit Because the sensor is equipped with a temperature sensor it should be sh...

Page 26: ... or more above the highest water level 2 PALMER BOWLUS FLUMES Position the sensor at the flume Diameter upstream from the throat of the flume Sensor height must be 8 203 mm or more above the highest water level 3 V NOTCH WEIRS Position the sensor at 3 x maximum Head upstream from the weir plate Sensor height must be 8 20 3 cm or more above the highest water level STILLING WELLS Stilling wells are ...

Page 27: ...or ZERO POSITIONING OF SENSOR Open Channel Flow Applications Locate the sensor at the position upstream from the throat of the flume or weir plate as recommended by the manufacturer A technique for accurate sensor height adjustment is shown ...

Page 28: ...VER 1 Open hinged enclosure cover 2 Insert 12 screws supplied through the four enclosure mounting holes to secure the enclosure to the wall or mounting stand Additional conduit holes can be cut in the bottom of the enclosure when required Use a hole saw or Greenlee type hole cutter to cut the required holes DO NOT make conduit wiring entries into the top of the enclosure Note This non metallic enc...

Page 29: ...until a new echo is received or Your choice of Units exceeds 9 999 999 Use USMG d IMG d or m3 d so that Units will be 9 999 999 or less ECHO TOO CLOSE Indicates that the target is less than Min Range distance from the sensor too close to the sensor SENSOR OPEN Instrument has detected sensor connection cable Open SENSOR SHORTED Instrument has detected sensor connection cable Shorted ...

Page 30: ...ocation increase Min Range CALIBRATION menu by 1 3 2 5 7 5 cm wipe sensor face and body with Rain X A D sensor mounting stand pipe too long too narrow dirty gasket intruding lower Sensor below stand pipe intrusion C E F very turbulent flow in open channel increase Damping CALIBRATION menu install stilling well on flume or weir C E F very turbulent level in tank increase Damping CALIBRATION menu ch...

Page 31: ...urn Echo Due To C F E foam on liquid surface use stilling well open channel flow B target beyond Max Range recalibrate F sensor damaged remove sensor from mounting and aim at a flat stable target to test F sensor misalignment check with a level Wiring Problems Due To Sensor Cable A C F open circuit check connections continuity 8850 to 12700 ohms max 30 C to 70 C B F short circuit check connections...

Page 32: ...apour dissipate fumes Calibration in situ H zero not set accurately see Zero Positioning of Sensor H wrong flume or K n selected FLOW mode select correct flume temperature measurement inaccuracy install sensor sunscreen mount sensor closer to flow ...

Page 33: ...11438 11476 11515 40 11554 11592 11631 11669 11708 11747 11785 11824 11862 11901 50 11939 Values are in Ohms TEMP F 0 1 2 3 4 5 6 7 8 9 30 10000 10021 10043 10065 10086 10108 10130 10151 40 10173 10195 10216 10238 10260 10281 10303 10325 10346 10368 50 10390 10411 10433 10455 10476 10498 10520 10541 10563 10584 60 10606 10628 10649 10671 10692 10714 10736 10757 10779 10800 70 10822 10844 10865 108...

Page 34: ...r email to obtain an RMA number Returned Merchandise Authorization This ensures fast service and correct billing or credit When you contact Greyline please have the following information available 1 Model number Software Version 2 Serial number 3 Date of Purchase 4 Reason for return description of fault or modification required 5 Your name company name address and phone number 2 Clean the Sensor P...

Page 35: ...ong with a copy of your invoice This warranty does not cover damages due to improper installation or handling acts of nature or unauthorized service Modifications to or tampering with any part shall void this warranty This warranty does not cover any equipment used in connection with the product or consequential damages due to a defect in the product All implied warranties are limited to the durat...

Page 36: ... distributor Nominal impedance of RG62AU cable is 93 ohms Extended sensor cable maybe installed in metal or plastic conduit Recommended installation with a junction box is illustrated below JUNCTION BOX OPTION JB2X NEMA4X IP66 polycarbonate Junction Box with terminal strips is available from Greyline Instruments Includes compression fittings for watertight c oaxial cable entries CORE SHIELD CORE S...

Page 37: ...Page 37 OCF 6 1 Open Channel Flow Monitor EXTENDED SENSOR CABLE INSTALLATION IN MANHOLE CONDUIT TO ELECTRONICS MANHOLE COVER ULTRASONIC SENSOR JB X 2 XC EXTENDED SENSOR CABLE 500 ft 152 m UP TO ...

Page 38: ...ardous location rated Class I Groups C D Class II Groups E F G Class III The Intrinsic Safety Barrier may be ordered with the Greyline instrument and is supplied mounted in the Greyline instrument enclosure Replacement barrier fuses Part No ISB 011239 may be purchased separately The instrument enclosure containing the ISB Intrinsic Safety Barrier must be installed in a non hazardous location ...

Page 39: ...der Barrier Specifications To safely install a Greyline transducer certified for use in hazardous locations you must refer to the installation drawings specifications of the certified transducer TRANSDUCER CONNECTIONS BARRIER SPECIFICATIONS 9001 02 093 390 101 STAHL BARRIER 9 6V 27 ohms Um 250V V0C 9 3V ISC 390mA P0 906 8mW Ca 4 1µF La 0 16mH System Parameters Entity Parameters GN SPEC ISB 3 11 ra...

Page 40: ...d s terminal block if your OCF 6 1 was ordered with this card or if one was added after installation Card location AC L N NO C NC NO C NC 4 20mA FLOW RLY2 RLY1 NC C NO NC C NO NC C NO NC C NO RLY3 RLY4 RLY5 RLY6 EXTRA RELAYS OPTION POWER INPUT HEATER OPTION AC GND SERIAL COMMUNICATION RS 485 Output G SENSOR CORE WHT SHLD GRN ...

Page 41: ...en Odd Default Even Stop Bits 1 2 Default 1 Termination 120 Ohms or none Default None Jumper JP1 position 1 2 OFF No term Jumper JP1 position 2 3 ON Term Biasing None Flow Control None Termination Jumper Position Function Codes Supported 01 Read Coil s 02 Read Discreet Input s 04 Read Input Register s 05 Write Single Coil 06 Write Single Register 15 Write Multiple Coils 16 Write Multiple Registers...

Page 42: ...Flow Velocity ft s Input Register Floating Point Register 1 of 2 30002 Flow Velocity ft s Input Register Floating Point Register 2 of 2 30003 Flow Velocity m s Input Register Floating Point Register 1 of 2 30004 Flow Velocity m s Input Register Floating Point Register 2 of 2 30101 Flow Rate GPM USG min Input Register Floating Point Register 1 of 2 30102 Flow Rate GPM USG min Input Register Floatin...

Page 43: ...te USMG sec Input Register Floating Point Register 1 of 2 USMG US Million Gallons 30122 Flow Rate USMG sec Input Register Floating Point Register 2 of 2 USMG US Million Gallons 30123 Flow Rate USMG min Input Register Floating Point Register 1 of 2 USMG US Million Gallons 30124 Flow Rate USMG min Input Register Floating Point Register 2 of 2 USMG US Million Gallons 30125 Flow Rate USMG hr Input Reg...

Page 44: ...int Register 1 of 2 IG Imperial Gallons 30146 Flow Rate IG hr Input Register Floating Point Register 2 of 2 IG Imperial Gallons 30147 Flow Rate IG day Input Register Floating Point Register 1 of 2 IG Imperial Gallons 30148 Flow Rate IG day Input Register Floating Point Register 2 of 2 IG Imperial Gallons 30149 Flow Rate IMG sec Input Register Floating Point Register 1 of 2 IMG Imperial Million Gal...

Page 45: ... L sec Input Register Floating Point Register 1 of 2 30168 Previous day Average Flow Rate L ssec Input Register Floating Point Register 2 of 2 30169 Previous day Average Flow Rate ft3 min Input Register Floating Point Register 1 of 2 30170 Previous day Average Flow Rate ft3 min Input Register Floating Point Register 2 of 2 30171 Previous day Average Flow Rate m3 hr Input Register Floating Point Re...

Page 46: ... of 2 USMG US Million Gallons 30191 Previous day Average Flow Rate USMG day Input Register Floating Point Register 1 of 2 USMG US Million Gallons 30192 Previous day Average Flow Rate USMG day Input Register Floating Point Register 2 of 2 USMG US Million Gallons 30193 Previous day Average Flow Rate L min Input Register Floating Point Register 1 of 2 30194 Previous day Average Flow Rate L min Input ...

Page 47: ... Previous day Average Flow Rate IMG min Input Register Floating Point Register 2 of 2 IMG Imperial Million Gallons 30217 Previous day Average Flow Rate IMG hr Input Register Floating Point Register 1 of 2 IMG Imperial Million Gallons 30218 Previous day Average Flow Rate IMG hr Input Register Floating Point Register 2 of 2 IMG Imperial Million Gallons 30219 Previous day Average Flow Rate IMG day In...

Page 48: ...30312 Volume Total IG Input Register Floating Point Register 2 of 2 IG Imperial Gallons 30313 Volume Total IMG Input Register Floating Point Register 1 of 2 IMG Imperial Million Gallons 30314 Volume Total IMG Input Register Floating Point Register 2 of 2 IMG Imperial Million Gallons 30315 Volume Total bbl Input Register Floating Point Register 1 of 2 bbl US Oil Barrel 42 Gallons 30316 Volume Total...

Page 49: ... Point Register 2 of 2 Only used when through air sensor is installed 30503 Sensor Range feet Input Register Floating Point Register 1 of 2 Only used when through air sensor is installed 30504 Sensor Range feet Input Register Floating Point Register 2 of 2 Only used when through air sensor is installed 30505 Sensor Range mm Input Register Floating Point Register 1 of 2 Only used when through air s...

Page 50: ...olume 30558 Sensor A Volume USMG Input Register Floating Point Register 2 of 2 Tank volume not flow volume 30559 Sensor A Volume IG Input Register Floating Point Register 1 of 2 Tank volume not flow volume 30560 Sensor A Volume IG Input Register Floating Point Register 2 of 2 Tank volume not flow volume 30561 Sensor A Volume IMG Input Register Floating Point Register 1 of 2 Tank volume not flow vo...

Page 51: ...ating Point Register 1 of 2 30929 mA Output 1 4mA Value Input Register Floating Point Register 2 of 2 30930 mA Output 1 20mA Value Input Register Floating Point Register 1 of 2 30931 mA Output 1 20mA Value Input Register Floating Point Register 2 of 2 30940 mA Output 1 Output Level Input Register Floating Point Register 1 of 2 Current mA feedback on output 1 30941 mA Output 1 Output Level Input Re...

Page 52: ...cond 18 Cubic Meters per Minute 19 Cubic Meters per Day 20 Imperial Gallons per Second 21 Imperial Gallons per Minute 22 Imperial Gallons per Hour 23 Imperial Gallons per Day 24 Imperial Million Gallons per Second 25 Imperial Million Gallons per Minute 26 Imperial Million Gallons per Hour 27 Imperial Million Gallons per Day 28 Barrels per Second 20 Barrels per Minute 30 Barrels per Hour 31 Barrels...

Page 53: ...not mount instrument electronics in direct sunlight Overheating will reduce the life of electronic components and condensate may form during the heat cool cycles and cause electrical shorts Note Exposure to direct sunlight can cause overheating and moisture condensation which will reduce the operating life of electronics Protect Instruments from direct sunlight with this iridite finished aluminum ...

Page 54: ... to 28 305 to 711 mm away from the end of the sensor Allow a few seconds for the OCF 6 1 to lock onto the target before displaying its distance The OCF 6 1 will now display Range in ft or cm factory calibration CONNECTIONS POWER INPUT Connect 9 32VDC 0 5 Amps to the and terminals The Power Input GND must be connected to the nearest Ground pole A 1 amp fuse in line is recommended NO C NC NO C NC 4 ...

Page 55: ...S 3 785 US GALLONS CUBIC METERS 0 003785 LITRES SEC GPM 15 85 LITRES CUBIC METERS 0 001 BARRELS US GALLONS 42 BARRELS IMPERIAL GALS 34 9726 BARRELS LITRES 158 9886 INCHES MM 25 4 DEGREES F DEGREES C F 32 x 0 556 POUNDS KILOGRAMS 0 453 PSI BAR 0 0676 FOOT METER 0 0929 VOLUME CALCULATION FOR ROUND TANKS 3 142 x R x H R TANK RADIUS TANK DIAMETER H TANK HEIGHT ...

Page 56: ...rature maximum 5000 m altitude pollution degree 4 Installation Category II Sensitivity adjustable Damping adjustable Electrical Surge Protection Sensor 4 20mA output and AC power input Approximate Shipping Weight 10 lbs 4 5 kg Standard Sensor PZ15 Maximum Range 15 ft 4 57 m Minimum Range Deadband 8 203 2 mm Operating Frequency 92 KHz Beam Angle 8 Operating Temperature 40 to 150 40 to 65 C Temperat...

Page 57: ...Rating with optional Intrinsic Safety Barrier CSA Class I II III Div I II Groups C D E F G Note Max Range reduced to 25 ft 7 6 m with ISB option Standard PZ34 Maximum Range 32 ft 10 m Minimum Range Deadband 16 406 4 mm Operating Frequency 46 KHz Beam Angle 8º Temperature Compensation Automatic continuous Operating Temperature 40 to 150ºF 40 to 65ºC Maximum Operating Pressure 20 psi 1 35 Bar Expose...

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