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Accu-Flo Meter Service GA, Руководство пользователя

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Accu-Flo Meter Service GA Скачать руководство пользователя страница 25

25

ILLUSTRATED  PARTS  DRAWING  –  SC  MODEL

 

Item   

 

No.

  No.  Part No. 

Description 

Req’d.

  1 

120059-01  Blank Coverplate Kit .........................................................1

  2 

12052101 

Circuit Assembly Kit .........................................................1

  3 

120517-01  Adapter Kit ........................................................................1

  4 

125066-20  Cable, 20 ft. ......................................................................1

  5 

901002-82  O-Ring ..............................................................................1

  6 

901002-87  Seal ...................................................................................2

  7 

902005-9 

Strain Relief ......................................................................2

  8 

904002-44  Sealing Screw, 1/4 - 20 x 5/8" ..........................................4

  9 

904005-63  Screw, 4-40 x 3/16" ..........................................................2

  10  906005-47  Threaded Plug ..................................................................1

  11  906005-48  Seal ...................................................................................1

Содержание GA

Страница 1: ... the nozzle Installation to metal connections is not recommended Install as follows 1 Plan to install turbine with a minimum straight pipe length as follows Upstream from the turbine allow a minimum straight pipe length of 10 times the internal diameter of the turbine Downstream from the turbine allow a minimum straight pipe length of 5 times the internal diameter of the turbine 2 For Spigot Pipe ...

Страница 2: ... Type Turbine Wetted Components Housing PVC Journal Bearings PEEK Shaft Stainless Steel Rotor and Nose Cone Acetal Washers Stainless Steel Max Working Pressure TM300 All Models 225 PSIG 73 F TM400 All Models 225 PSIG 73 F Non CE 135 PSIG 73 F CE applications 2 MAINTENANCE CAUTION SPECIFICATIONS U S Measurement Unit of Measure Gallon Flow Range 3 inch 40 400 GPM Linearity 3 0 of Reading 30 600 GPM ...

Страница 3: ...in hazardous locations Be sure O rings and seals are kept in good repair When applying power use DC power only Disconnect external power before attaching or detaching input or output wires Installation should be performed only by qualified personnel and in accordance with local governing regulations Avoid plumbing meter where the Display is Subject to constant exposure to water or other liquids oc...

Страница 4: ...e Switching between different units will not corrupt the Total s contents For example in GL mode the computer totalizes 10 00 gallons if the user switches to LT mode the display will read 37 85 litres the same volume different unit The field calibrationmaybesetbytheuser andcanbechanged ormodifiedatanytimeusingthecalibrationproceduredescribed below in the Calibration Section Totals or flowrate deri...

Страница 5: ...rminemaximumpowersupplyvoltageafterdetermin ing maximum allowable voltage of all electronic devices in the system 5 WIRING CAUTION T E R M I N A L L O C A T I O N S 9V_BAT Battery 6 5V to 20V EXT_V External Power 7V to 30V COIL_B To Flowmeter Sensor COIL_A To Flowmeter Sensor OC_OUT This is an open collector or current sinking output when NO JUMPER is attached at OUTPUT P U R location It can susta...

Страница 6: ...ower OUTPUT P U R S I G N A L O U T P U T Connect signal wire to OC_OUT terminal Connect ground wire to any COM terminal NOTE Jumper should not connect pins marked Output P U R Open Collector OUTPUT P U R Connect signal wire to OC_OUT terminal Connect ground wire to COM terminal Place JUMPER supplied over both pins marked OUTPUT P U R Active Drive Output OUTPUT P U R NOTE Multiple COM terminals ar...

Страница 7: ...2006 44 To replace the battery 1 Remove the two large screws and two small screws from the battery coverplate 2 Remove the battery coverplate and gasket 3 Remove the battery and clean any corrosion from the ter minals NOTE Coat the terminals with petroleum jelly to protect against corrosion 4 Install the new battery 5 Check the gasket for damage and replace as needed Position gasket and coverplate...

Страница 8: ...e 100 ft 1 12 902005 9 Strain Relief 1 13 901002 87 O Ring 1 Item No No Part No Description Req d 14 906005 47 Threaded Plug 1 15 906005 48 Seal 1 16 904005 63 Screw 4 40 x 3 16 in 2 17 42100117 Jumper 2 Circuit 1 18 904005 28 Sealing Screw 1 4 20 x 5 8 in 4 19 904005 27 Sems Screw 6 32 x 3 8 in 2 20 12009601 Circuit Assembly Core 1 21 902004 97 Battery Terminal 1 12051901 Battery Conversion Kit n...

Страница 9: ... powered and provides a 4 20 mA analog output propor tional to the frequency signal for communication with PLCs and other customer equipment The 4 20 mA or 0 20 mA output is calibrated under actual flow conditions with simple push button calibration Auxiliary output includes 0 5 VDC The microprocessor based electronics have extremely low power requirements and are completely powered by the 4 20 lo...

Страница 10: ...ection to cor rectly wire the system The display is externally powered by the loop Determine maximum power supply voltage after determin ing maximum allowable voltage of all electronic devices in the system Connecting the Equipment Remove the faceplate by removing the four 4 corner screws Attach wiring from your equipment according to the follow ing terminal connections and wiring diagrams dependi...

Страница 11: ... Max V 35 Customer Equipment NOTE Minimum loop power supply voltage required 8 5V Max Customer Equipment Drop Wiring IR Drop CAUTION When reassembling the faceplate make sure that the enclosure seal is not crimped or twisted Do not over tighten corner screws hand tighten only Faceplate can be rotated 90 W I R I N G D I A G R A M 2 4 20 mA or 0 20 mA Output Customer Equipment Without Built in Power...

Страница 12: ...p Power Supply Typ 12 24 VDC 0 5 V Analog Input Analog In Return 0 5 V Output Local Com TM Meter NOTE 1 Loop power supply electrically isolated from customer equipment NOTE 2 Actual value of loop current mA is disregarded CAUTION When reassembling the faceplate make sure that the enclosure seal is not crimped or twisted Do not over tighten corner screws hand tighten only Face plate can be rotated ...

Страница 13: ...rupt the Total s contents For example in GL mode the computer totalizes 10 00 gallons if the user switches to LT mode the display will read 37 85 litres the same volume different unit OPERATION The field calibrationmaybesetbytheuser andcanbechanged ormodifiedatanytimeusingthecalibrationproceduredescribed below in the Calibration Section Totals or flowrate derived from the field calibration are inv...

Страница 14: ...ight press and hold both its SET and 20 buttons Release them when the light blinks NOTE During the high and low setpoint procedure if the new settings are very different from the previous settings it is possible to reverse the 4 mA and 20 mA setpoints so that the 4 mA frequency is higher than the 20 mA frequency The situation corrects itself after you complete both setpoints If the new settings ar...

Страница 15: ...situ ations where sensor output frequency fluctuates or wobbles substantially The GPI 4 20 mA Out with Display offers a choice of five response time settings selectable by the unit s pushbuttons Procedure 1 Start with the unit unpowered If the unit is presently operat ing temporarily disable its external power supply Be sure to allow at least 30 seconds to elapse with unit unpowered 2 Press and ho...

Страница 16: ...l signal input connections for intermittent open or short circuits F LOOP OUTPUT 1 Output response time setting too long Select a shorter response time setting STABLE BUT especially for fast input signal RESPONSE TIME TOO SLOW G LOOP OUTPUT OK 1 0 5 V output loaded too heavily Be sure 0 5 V load impedance is at least 1000 ohms 1KΩ 2 Wiring incorrect Verify connections H LOOP OUTPUT 1 Loop not supp...

Страница 17: ...e 20 ft 1 125066 3 Cable 100 ft 1 Item No No Part No Description Req d 13 906005 47 Threaded Plug 1 14 902005 9 Strain Relief 1 15 901002 87 O Ring 1 17 120054 01 Main Circuit Assembly 1 18 904005 28 Sealing Seal 1 4 20 x 5 8 in 4 19 904005 74 Screw Fillister HD 6 32 x 3 8 CR 2 20 906005 48 Seal for Threaded Item 13 Plug 1 21 90400811 Washer Flat 6 Type B Narrow SS 2 1 2 3 4 5 6 7 13 12 14 15 18 1...

Страница 18: ... feet Accuracy Performance Possible conversion error in addition to any inaccuracy of coupled flowmeter as follows Max Conversion Error Nonlinearity plus span any input loop current output 0 C to 70 C loop voltage supply 12 VDC to 24 VDC 0 5 of span plus possible resolution uncertainty Max Conversion Resolution Uncertainty Loop current output when properly calibrated Larger of 0 1 mA or 20 mA 10 x...

Страница 19: ...NCE All information needed for the GA Model can be found in the GX Model sections Consult one or all of the following Important Notice 9 Safety Instructions 9 Installation 9 Wiring 10 Wiring Diagrams 11 Operation 4 20 mA 14 Troubleshooting 16 Specifications 18 Check cable entry seals periodically Tighten and or apply seal ant if needed This is especially important in environments con taining heavy...

Страница 20: ...vironmental Avoid plumbing meter where the Scaled Pulse Module is Subject to constant exposure to water or other liquids oc casional low pressure splashing will not harm unit if cable entry points are well sealed Close to high voltage current runs DC motors internal combustion engines or frequency inverters Excessive vibration Cable Guidelines The open collector signal itself is very resistant to ...

Страница 21: ...0 mA and a maximum open circuit voltage of 60 V Be sure that you never exceed these limits NOTE Do not apply any AC voltage to this output as the internal device may be damaged The output produces a single fixed duration pulse pulls low briefly once per n input pulses where n is the number set by the K factor switches see operational description A relay is not supplied however the user may drive a...

Страница 22: ...ade screwdriver or similar tool simply set the module s K factor switches to this number WARNING OPERATION K F A C T O R S W I T C H E S X X X X X The X markers represent the digits of the K factor This allows a K factor range of 0000 1 to 9999 9 The switches are arranged and labeled as follows Each switch may be set to any of 10 positions 0 9 Set each so that the whole string of switches represen...

Страница 23: ...ed an output pulse for every whole unit please contact the factory It is possible to supply on special order units with a K factor range of 00000 to 9999 9 i e no decimal place Check cable entry seals periodically Tighten and or apply seal ant if needed This is especially important in environments con taining heavy concentrations of dust oil mist or other residue Check all wiring connections occas...

Страница 24: ...ct factory C EXTRA OR ERRATIC 1 Signal picking up electronic Use shielded or shorter sensor cable OUTPUT PULSES WHEN noise USING ANY INPUT 2 Electronic failure Contact factory D EXTRA OR ERRATIC 1 Using incorrect input Use HL LF input for Reed Switch OUTPUT PULSES WHEN USING REED SWITCH E OUTPUT FLUTTERING 1 Very low K factor plus very high Use 10x K factor output will be one pulse per 10 units RA...

Страница 25: ...k Coverplate Kit 1 2 12052101 Circuit Assembly Kit 1 3 120517 01 Adapter Kit 1 4 125066 20 Cable 20 ft 1 5 901002 82 O Ring 1 6 901002 87 Seal 2 7 902005 9 Strain Relief 2 8 904002 44 Sealing Screw 1 4 20 x 5 8 4 9 904005 63 Screw 4 40 x 3 16 2 10 906005 47 Threaded Plug 1 11 906005 48 Seal 1 ...

Страница 26: ...nion in 2003 This symbol indicates that this product contains electrical and electronic equipment that may include batteries printed circuit boards liquid crystal displays or other components that may be subject to local disposal regulations at your location Please understand those regulations and dispose of this product in a responsible manner For warranty consideration contact your local distrib...

Страница 27: ......

Страница 28: ...ified outside the warrantor s duly appointed representative B the product has been subjected to neglect misuse abuse or damage or has been installed or operated other than in accordance with the manufacturer s operating instructions To make a claim against this warranty contact the GPI Customer Service Department at 316 686 7361 or 888 996 3837 Or by mail at Great Plains Industries Inc 5252 E 36th...

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