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CONVERTER INSTALLATION

Any published technical data and instructions are subject to change without notice. Contact your McCrometer representative

for current technical data and instructions.

www.mccrometer.com

3255 WEST STETSON AVENUE • HEMET, CALIFORNIA 92545 USA

Printed In The U.S.A.

TEL: 951-652-6811 • 800-220-2279 • FAX: 951-652-3078

Lit. # 30122-46 Rev. 1.2 / 5-31-18

2.0

CONVERTER INSTALLATION

2.1

Mounting The Converter

If possible mount the converter in an electronics shed or environmental enclosure. If the converter is mounted

outdoors a sun shield is recommended. The sun shield should be oriented in a direction to reduce sun damage

and ensure readability. The converter is mounted using 2 bolts.

See Figure 1

. A service loop in the cables is

required.

See Section 3.2

. This electronic unit is rated IP67 for temporary flooding.

2.2

Installing Cables To Converter And Service Loop

Conduit of any kind

CANNOT

be attached directly to the electronics enclosure. Attaching conduit directly to the

enclosure will introduce dangerous gasses and moisture into the enclosure creating a dangerous condition, and

will remove the enclosure's IP67 rating.

Attaching conduit to the enclosure or altering the enclosure in any

way will void the warranty.

Any cable running through a conduit must exit the conduit and have a minimum of an 8" service loop before

entering the electronics enclosure through the cable glands. All cable compression glands must be properly

tightened to prevent moisture intrusion and maintain the IP67 rating. This allows the electronics enclosure to be

rotated and the rear panel to be accessed. If electrically bonding (grounding) the enclosure to metallic conduit

or raceways, secure a lead wire to the enclosures back panel screw and attach the lead to a listed and approved

conduit grounding bushing. See

Figure 3

. To insure IP67 rating use only round cable 0.125" to 0.375" in diameter.

Figure 3.

Cable Installation, A Service Loop And Bonding To Metallic Conduit

WARNING:

Do not connect any form of conduit directly to the converter enclosure. Doing so will allow

moisture and potentially dangerous gasses to enter directly into the converter. Attaching any conduit to

the enclosure, or altering the enclosure in any way will void the warranty.

Grounding Lead

Sensor Cables

(Showing 8”

Service Loop)

Power Cable

Conduit Grounding

Bushings

Enclosure Front

Enclosure Back

Enclosure

Backplate

Screw

IMPORTANT

: All cables must have a minimum 8" service loop.

Содержание ML255

Страница 1: ...ation Converter Model Number ________________________ Converter Serial Number _________________________ Meter Serial Number ____________________________ RETAIN THIS MANUAL DO NOT DISCARD Installation Operation and Maintenance Manual 30122 46 Rev 1 2 May 31 2018 ...

Страница 2: ...Up the System 8 3 6 Power Options 8 3 7 Sampling Frequencies 9 4 0 SOLAR PANEL OPTION 10 4 1 Description 10 5 0 ELECTRICAL CABLE CONNECTIONS 11 5 1 Converter Electrical Cable Connections 11 5 2 Terminal Board 11 5 3 FPI Mag 395L Forward Only Cable Connections 13 5 4 SPI Mag 282L Cable Connection 14 5 5 Ultra Mag Sensor Cable 15 5 6 Converter Grounding 17 5 7 Opto Isolated Pulse Output Hook Up 18 5...

Страница 3: ... Failure to follow the instructions can result in serious injury or death This symbol indicates important information Failure to follow the instructions can result in permanent damage to the meter or installation site WARNING Pressurized pipes should only be hot tapped cut or drilled by qualified personnel If possible depressurize and drain the pipe before attempting any installation At the end of...

Страница 4: ...he reporting input and output control device for the sensor The converter allows the measurements functional programming control of the sensor and data recording to be communicated through the front panel and I O The battery powered microprocessor based signal converter has a twelve point curve fitting algorithm to improve accuracy an 8 line graphical LCD display with 3 button programming and a ru...

Страница 5: ...are located on a label on the side of the converter Ensure the Meter Serial Number on the sensor and the converter tags match i 1 1 Serial Numbers The converter and sensor are supplied as a matched system Verify the meter serial numbers on both the converter and sensor match This will ensure a properly calibrated system The tag on the side of the converter has the Converter Model Number the Conver...

Страница 6: ...ating a dangerous condition and will remove the enclosure s IP67 rating Attaching conduit to the enclosure or altering the enclosure in any way will void the warranty Any cable running through a conduit must exit the conduit and have a minimum of an 8 service loop before entering the electronics enclosure through the cable glands All cable compression glands must be properly tightened to prevent m...

Страница 7: ...s of conduit Always use the factory supplied cable cover or similar method to seal the end of the cable against water when pulling the cable through conduit See Figure 4 This will ensure proper operation of the meter Pulling The Sensor Cable 1 Tie a rope or cable snake securely around the middle of the cable cover 2 Carefully pull the rope or snake until the sensor cable end clears the conduit 3 B...

Страница 8: ...two double battery packs part number AGM009 on the ML255 battery holder as shown in Figure 5 3 Secure new battery packs to the battery holder using tie wraps 4 Re install the battery holder into the converter using the previously removed screws and washers 5 Plug the battery pack connectors into the B1 and B2 sockets on the main board 6 Wait one minute 7 Move battery DIP switch B1 B2 to ON The con...

Страница 9: ...er g Select Stand By and press Enter h Long press Enter to execute The display will indicate Stand By momentarily and then go blank i Move battery DIP switch B1 B2 to OFF The unit is now safely powered down 2 Remove the batteries a Disconnect the battery connectors from the B1 and B2 sockets on the Main Board b Remove the two screws securing the battery holder to the converter housing c Remove the...

Страница 10: ...2 Press the Enter Esc button again to display the menus 3 Select Main Menu and press Enter 4 Enter the L2 access code 5 Navigate to menu 10 Diagnostic and press Enter 6 Select Stand By and press Enter 7 Long press Enter to execute The display will indicate Stand By momentarily and go blank The unit is now powered down Powering Up 1 Move battery DIP switch B1 B2 to OFF 2 Wait one minute 3 Move batt...

Страница 11: ...ILE CONTINUOUS SAMPLING Max S R AVERAGE SAMPLING 3 Sec Max S R 3 Sec Max S R 3 Sec Maximum sample rate Sample rate at 3 seconds MAX LIFE SAMPLING 15 Sec 15 Sec 15 Sec S R SAMPLE RATE Sample rate at 15 seconds VARIABLE CONSTANT VARIABLE Figure 6 Sampling Frequency Modes 3 7 Sampling Frequencies The battery powered converter can be programmed to measure in these modes Each sampling frequency mode ha...

Страница 12: ...A 92545 USA Printed InThe U S A TEL 951 652 6811 800 220 2279 FAX 951 652 3078 Lit 30122 46 Rev 1 2 5 31 18 10 4 0 SOLAR PANEL OPTION 4 1 Description The solar panel provides power to the converter by converting sunlight into electrical energy to recharge the solar panels rechargeable battery Its nominal power output is 5W The solar panel comes complete with all accessories except for the fixing r...

Страница 13: ...terminal board loosen the four screws on the back of the converter to remove the rear cover NOTE The terminal blocks unplug from the circuit board for easy connection 5 0 ELECTRICAL CABLE CONNECTIONS 5 1 Converter Electrical Cable Connections Figure 9 Terminal Board Inputs Outputs and Other Components CAUTION Always disconnect the power cord before attempting any electrical connections All electri...

Страница 14: ... 12 Figure 10 Terminal Board Descriptions 1 11 2 12 3 13 4 14 5 15 7 17 6 16 8 9 10 FORWARD ELECTRODES E1 E2 C SH COILS SH B1 B2 INPUT OUT1 OUT2 COMMON E SH OUT1 OUT2 OPEN COLLECTOR C1 C2 The sensor hardwired inputs and outputs are connected to the converter through three terminal blocks To locate the terminal blocks remove the rear cover plate removing the four screws 5mm Allen key When the cover...

Страница 15: ...2 Pink Left Sensing Electrodes A 3 C Black Reference Ground A 4 SH Green Yellow Cable Shield Ground B Chassis Lug Black Ground To Chassis Lug B 11 SH Green Yellow Cable Shield Ground B 12 B1 Red Coil B 13 B2 Yellow Coil Figure 11 FPI Mag 395L Sensor Cable Connections Terminal Block Assignments 5 3 FPI Mag 395L Forward Only Cable Connections Black Ground To Chassis Lug Cable Diameters Cable A 15035...

Страница 16: ...ALIFORNIA 92545 USA Printed InThe U S A TEL 951 652 6811 800 220 2279 FAX 951 652 3078 Lit 30122 46 Rev 1 2 5 31 18 14 Terminal Block Assignments Terminal Wire Color Connected To 1 Blue Sensing electrode 2 White Sensing electrode 3 Black Reference ground 11 Black Magnet shield overall cable shield 12 Red Coil 13 Yellow Coil ML255 CONVERTER WIRING SPI 282L BLUE WHITE BLACK 1 2 3 4 BLACK YELLOW RED ...

Страница 17: ...a Mag Body Style 1 2 3 and 14 Shrink Tube Cable Jacket Cable Diameters Cable A 15035 0 248 Cable B 15036 0 248 CABLE A ELECTRODES CABLE B COILS IMPORTANT See Section 5 6 2 Converter Grounding For Ultra Mag Body Style 1 Figure 16 for instructions on attaching the chassis ground wire to the converter ground lug i Terminal Block Assignments Cable Terminal Wire Color Connected To A 1 E1 Blue Right Sen...

Страница 18: ... attaching the chassis ground wire to the converter ground lug i Terminal Block Assignments Cable Terminal Wire Color Connected To A 1 E1 Blue Right Sensing electrodes A 2 E2 Pink Left Sensing Electrodes A 3 C Black Reference Ground A 4 SH Green Yellow Cable Shield Ground B Chassis Lug Black Ground To Chassis Lug B 11 SH Green Yellow Cable Shield Ground B 12 B1 Red Coil B 13 B2 Yellow Coil ML255 C...

Страница 19: ...tra Mag Body Style 2 5 6 Converter Grounding 5 6 1 Converter Grounding For FPI Mag 395L and Ultra Mag Body Style 2 Cable B Enclosure Ground Lug Black Ground Wire With Loop From Cable B With Lead To Terminal 3 Cable B Enclosure Ground Lug Black Ground Wire With Loop From Cable B On converters attached to the 395L and Ultra Mag body style 2 flow meters the sensor cable has a ground wire fitted with ...

Страница 20: ...se Output Hook Up Both outputs are open drain outputs used to communicate with external devices Maximum switching voltage 40 VDC Maximum switching current 100mA Maximum Ron 70Ω Maximum switching frequency load RL 240Ω VOUT 24VDC 50Hz Isolation 500 V i IMPORTANT Outputs are not isolated from each other All outputs MUST use the same power source Figure 17 Opto Isolated Pulse Output Diagram OUT 1 OUT...

Страница 21: ...se or circuit breaker with limiting capacity not greater than 10A It must be easily accessible for the operator and clearly identified Power connection is made using the power terminal block on the upper right side of the terminal board NOTE The terminal block uplugs from the circuit board for easy connection Connect earth ground to the protective grounding terminal before making other connections...

Страница 22: ...d on the alarm screen NOTE To view alarms press the RIGHT arrow key from the main display screen SHORT PRESSING 1 SECOND Moves the cursor up to the previous subject on the menu Increases the numeric figure of the parameter highlighted by the cursor LONG PRESSING 1 SECOND Moves the cursor down to the next subject on the menu Decreases the numeric figure of the parameter highlighted by the cursor UP...

Страница 23: ...122 46 Rev 1 2 5 31 18 21 6 2 Front Panel Visualization Pages Visualization pages are different display screens that present specific information If there is screen is in screen saver mode long press the Left Right arrow key to wake it up Short press the Left Right arrow key to cycle through the different visualization pages Figure 22 Examples Front Panel Visualization Pages FLOWRATE VALUE FULL SC...

Страница 24: ...ner 2 5 Duration of the pulse gener 2 6 Full scale value set for pres 2 8 Unit of measure and numbe 2 7 Unit of measure of tempera 2 4 Pulse value on channel 2 3 1 Low flow zero threshold 0 3 2 Consumption profiles 4 1 Maximum value alarm set fo 4 2 Minimum value alarm set fo 4 3 Maximum value alarm set fo 4 5 Maximum value alarm set fo 4 6 Minimum value alarm set fo 4 4 Minimum value alarm set fo...

Страница 25: ...13 Enables clock synchronizati 7 14 Check INCOMING E MAIL 7 8 Check INCOMING SMS 8 1 Choice of the language EN 8 2 Time for switch off display 8 3 Visualization of Quick star 8 5 Total direct positive flow t 8 6 Partial direct positive flow 8 4 lock of DISPLAY in ONE SPE 8 7 Total reverse negative flo 8 8 Partial reverse negative fl 9 1 Date and time set 9 2 Set of Time Zone Against 9 3 Automatic ...

Страница 26: ...ables the sending of reve 9 14 Enables the sending of net 9 15 Enables the sending of net 9 16 Enables the sending of flow 9 17 Enables the sending of pres 9 18 Enables the sending of pres 9 19 Enables the sending of diffe 9 18 Enables the sending of tem 9 20 Loggin of statistical data 9 21 Enables the sending of mea 9 22 Enables the sending of mea 9 23 Symbol used as separator o 9 8 Interval 2 st...

Страница 27: ...r information on this ESC ENTER ESC ENTER ESC ENTER ESC ENTER ESC ENTER ESC ENTER ESC ENTER ESC ENTER 1 Long press on Enter ESC This will wake up the front panel display 4 Press Left Right to find the next selection Press Left Right until you highlight the 5 as shown 2 Short press on Enter ESC This will take you to the Quick Start menu 5 Press Up Down Press Up Down to change the value to 0 6 Short...

Страница 28: ...u directly when the Quick start menu is disabled When it is not disabled you can select the Main menu from the Quick start menu The functions in the Quick Start menu and the Main menu are explained below Please note that some functions are only displayed if other functions are enabled or with the insertion of additional modules ND Inside Pipe Diameter The inner diameter of the pipe entered in mill...

Страница 29: ...nt TC2 This is the time needed to stabilize coil current when switching coil polarity E P detect Enables the empty pipe detection function E P thr Enables the empty pipe detection threshold Zero cal Zero point calibration function for the forward flow Enables the automatic zero calibration system i IMPORTANT The water must be perfectly still before starting the Zero Cal process or an offset will b...

Страница 30: ... 3 Press the Right Left key twice 2 Press the Up Down key This will scroll through the different available units See Appendix 1 0 for available units of measure Select the desired unit This will highlight the lower case letter that represents the time unit 5 Press the Right Left key This will select the numeric value Pressing the Up Down key to set the digit and Right Left key to move to the next ...

Страница 31: ...decimal resolution selection and press the Up Down key to switch between U S Standard and Metric units Tot1MU The totalizer unit multiplier as well as the visible decimal place is set here To change the totalizer unit multiplier This will highlight the numeric value to the right 2 Press the Up Down key This will scroll through the different available units NOTE The totalizer multiplier is built in...

Страница 32: ...ANT The converter cannot detect the type of device it is connected to so it is up to the user to verify the setting is compatible with the external device receiving the pulse Incorrect settings can damage the receiving device See section 10 6 Menu 6 Outputs for output specifications i Pls1 The pulse increment value and unit of measure for the pulse output 1 This option is only available when out1 ...

Страница 33: ...s Power 1 Smart 2 Average 3 Max Life Continuous Power uses more battery power and is not recommended Max Life uses the least battery power and is the default Damping Measure Filter Damping Profile Enable is only valid in the Smart Profile setting This applies a fixed filter to the reading 9 4 Menu 4 Alarms Al max Maximum Forward flow rate exceeded Can be 0 125 of Full Scale Al min Minimum Forward ...

Страница 34: ...ion alarm Wake up Wake up the display with an input 9 6 Menu 6 Outputs Out 1 Transistor output channel 1 See tables on the next page for available settings Out 2 Transistor output channel 2 See tables on the next page for available settings Outputs available for open collector transistor outputs 1 and 2 OFF DISABLED PLS PULSE FOR POSITIVE AND NEGATIVE FLOW VOLUME PLS PULSE FOR NEGATIVE FLOW VOLUME...

Страница 35: ...RGISED AL OFF MIN P2 MIN PRESSURE 2 OUTPUT ENERGISED AL OFF MAX P2 MAX PRESSURE 2 OUTPUT ENERGISED AL OFF MX MN P1 MAX AND MIN PRESSURE 1 OUTPUT ENERGISED AL OFF MIN P1 MIN PRESSURE 1 OUTPUT ENERGISED AL OFF MAX P1 MAX PRESSURE 1 OUTPUT ENERGISED AL OFF MX MN Q MAX AND MIN FLOW RATE ALARM OUTPUT ENERGISED AL OFF MX MN Q MAX AND MIN NEGATIVE FLOW RATE ALARM OUTPUT ENERGISED AL OFF MIN Q MIN NEGATIV...

Страница 36: ... enable This setting toggles between on and off If set to off it will hide the quick start menu Disp lock Locks the front panel display so you can t switch between displays T reset Totalizer reset forward Resets the forward flow totalizer T reset Totalizer reset reverse Resets the reverse flow totalizer To reset the totalizer 1 Highlight the totalizer reset option to be reset 2 Quick press the Ent...

Страница 37: ...s year month day and time is hours minutes T zone h Time Zone 12 hours GMT the number of hours Pacific time is 8 Acquisition Enable Data Logging Function Comp mode Format the Data Logging Data to the previous version of this converter Default Off int 1 Data Logging Interval HH MM SS Log T Include the T Positive Totalizer for Data Logging Log P Include the P Positive Totalizer for Data Logging Lot ...

Страница 38: ... to be tested After simulation is set to ON the flow can be set to a percentage based on the current FS1 setting of 125 to 125 NOTE you will now have an S in the upper left corner this indicates the simulation mode is active PresstheEnter Esckey Thiswillbringuptheflowsimulationsetupscreen Use the Right Left key and the Up Down key to enter in the flow rate percentage value for the simulation Press...

Страница 39: ... 46 Rev 1 2 5 31 18 37 Load fact data This will configure the converter to the configuration when it left McCrometer S n Displays the board serial number KT Used to adjust gain errors This factor is generated by the converter at power up KS Fieldadjustmentcoefficient Thisvalueisadirectmultiplierthatisusedasafieldadjustment correctioncoefficient CAUTION if the passcode is changed from the default v...

Страница 40: ...ing the main board is exhausted Replace the battery YES 008 B1 LOW The battery B1 powering the main board is exhausted Replace the battery YES 077 SYSTEM RESTART The system was restarted after a reset signal If this message appears after an AUTO TEST command it is not an error indication otherwise check all the connections the batteries and the grounding YES 094 ALARM INPUT ACT The digital input d...

Страница 41: ... the minimum threshold value set Check the minimum threshold negative flow rate alarm value and the process conditions YES 157 MAX P1 The pressure at input 1 is higher than the maximum threshold value set Check the maximum threshold pressure 1 alarm value and the process conditions YES 158 MIN P1 The pressure at input 1 is lower than the minimum threshold value set Check the minimum threshold pres...

Страница 42: ... or more errors in the flow sensor Check the error code in the events log YES 207 TEMP FS The external temperature is higher than the full scale set Check the maximum full scale set and the process conditions YES 208 PULS 2 F MAX The pulse frequency at output 2 is too high Reduce the pulse duration if the connected counter allow this or increase the pulse unit value YES 209 PRESS 2 FS The Pressure...

Страница 43: ...d 0008 Converter parameters stored in F RAM not valid 0200 Coils excitation current driver error 0400 Measure input stage error 1000 Internal time reference error 0010 Sensor coils resistance out of tolerance Checktheflowsensorstatus itsworkingconditions and all the connections with the converter and with the reference ground 0020 Time TC2 out of tolerance 0040 Time TC1 out of tolerance 0080 Senso...

Страница 44: ...ons IMG Imperial Mega Gallon NOTE REGARDING CABLE LENGTH McCrometer recommends minimizing cable length Electromagnetic flow meters may have unfavorable signal strength to noise ratio in electrically noisy environments Longer lengths of cable increase the likelihood of interference ELECTRICAL CHARACTERISTICS Power supply version Power supply Power supply frequency Max power AU 12V 60V 300mW 100V 24...

Страница 45: ... be returned to the factory for repair please do the following Prior to calling for a return authorization number determine the model number serial number located inside the front panel of converter and reason for return Call the McCrometer Customer Service Department at 1 800 220 2279 and ask for a Return Authorization RA number Ship the meter in the original packaging if possible Do not ship man...

Страница 46: ...or the sensor Ensure the wiring is firmly connected to any PreAmp being used Noisy Input Alarm Verify there is a jumper on terminals 3 and 4 Verify the converter ground is to earth ground Check for damaged cable between the sensor and converter Empty Pipe Alarm Confirm the pipe is full Verify there is a jumper on terminals 3 and 4 Check EP Threshold Set to 192 if short cable less than 50 ft set to...

Страница 47: ... 951 652 3078 Lit 30122 46 Rev 1 2 5 31 18 45 Rate Of Flow Report Is Not As Expected Confirm the unit is programmed correctly by requesting a program setting report from the factory APPENDIX 1 0 UNITS OF MEASURE The tables below show the units of measure available for selection U S Standard in3 Cubic Inches Gal U S Gallons IGL Imperial Gallons ft3 Cubic Feet bbl Standard Barrels BBL Oil Barrels KG...

Страница 48: ...2 46 Rev 1 2 5 31 18 46 h Hours d Days APPENDIX 2 0 CONVERSION TABLES Table of Decimal Equivalents Fraction Decimal 1 8 125 1 4 25 3 8 375 1 2 5 5 8 625 3 4 75 7 8 875 Table of Conversions Multiply By To Get Centimeters 0 3937 Inches Centimeters 0 03281 Feet Inches 25 4 Millimeters Feet 30 48 Centimeters Square Feet 144 0 Square Inches Square Inches 0 006944 Square Feet Cubic Inches 0 0005787 Cubi...

Страница 49: ...oduct to be impractical manufacturer shall have the option but will not be required to inspect the product wherever located In any event if the purchaser requests the manufacturer visit their location the purchaser agrees to pay the non warranty expenses of travel lodging and subsistence for the field service response If the product is found by the manufacturer s inspection to be defective in work...

Страница 50: ...mccrometer com 3255WEST STETSON AVENUE HEMET CALIFORNIA 92545 USA Printed InThe U S A TEL 951 652 6811 800 220 2279 FAX 951 652 3078 Lit 30122 46 Rev 1 2 5 31 18 OTHER McCROMETER PRODUCTS INCLUDE Propeller Flowmeters Propeller Flowmeters Magnetic Flowmeters Differential Pressure Flowmeters Magnetic Flowmeters Magnetic Flowmeters Magnetic Flowmeters Magnetic Flowmeters Wireless Monitoring Systems D...

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