9
User’s Guide 2018
Measuring ground
fig a
fig c
fig b
Страница 1: ...98 Sydney Road Congella SA Tel 086 110 6028 Congella South Africa 4013 enquiries flowmetrix co za Durban Reg No CK 1986 011597 23 www flowmetrix co za USER S GUIDE Installation Operation Instructions...
Страница 2: ...cation Guidelines 5 Conductivity 6 Installation 6 Piping and Other Considerations 6 Meter Body 7 Installation Procedure 7 Electrical Connections 8 Output Functions 11 Start up and Operation 14 Factory...
Страница 3: ...nt Inspection Upon delivery the packing case should be inspected for external damage If damage is evident this fact must be reported to the carrier immediately and the case should only be unpacked wit...
Страница 4: ...tatement is represented as shown below E constant x B L V Where E the induced voltage B the electromagnetic field strength L the length of the conductor in the field V the velocity of the conductor av...
Страница 5: ...Flowtube coils are powered directly from the main supply but the power is controlled by switching 1 pulse every 1 5 cycles for flowtubes 150mm and 1 pulse every 3 5 cycles for flowtubes 150mm This sw...
Страница 6: ...m s 30ft s mm INCH l s m3 hr ft3 s gal US s l s m3 hr ft3 s gal US s 40 1 6 1 25 4 5 0 04 0 33 12 5 45 0 44 3 30 50 2 2 7 2 0 07 0 53 20 72 0 71 5 28 65 2 6 3 3 11 9 0 12 0 87 33 118 8 1 17 8 72 80 3...
Страница 7: ...ection of flow being upwards to ensure a full pipe under low flow conditions If a horizontal installation is envisaged the meter electrodes should be installed in the horizontal plane in order to prev...
Страница 8: ...should not be used to pull pipework into alignment Place flange gaskets on the flange faces of the meter and position the meter between the flange faces of the piping Gaskets should be cut 3 mm large...
Страница 9: ...ion resistant Pipelines with cathodic protection fig c Pipelines with electric corrosion protection are generally insulated inside and outside so that the fluid has no conductive connection to ground...
Страница 10: ...9 User s Guide 2018 Measuring ground fig a fig c Measuring ground fig b Measuring ground...
Страница 11: ...20mA 18 4 20mA 17 0 VOLTS 16 OCT PULSE 15 24 VOLTS 14 RELAY C 13 RELAY NC 12 RELAY NO 11 N C 10 GND 9 N C 8 CAL LINK 7 CAL LINK 6 COIL B 5 COIL W 4 EARTH 3 NEUTRAL 2 LIVE 1 Black White FLOWTUBE 16 E2...
Страница 12: ...change to an output with equal mark space ratio M2_6 is used to reduce the pulse output frequency PULSE OUTPUT ACP TERMINALS EXT CIRCUIT SIGNAL Totaliser pulse Binary Output Open Collector External s...
Страница 13: ...12 User s Guide 2018 Relay OUTPUT TERMINALS EXT CIRCUIT SIGNAL Relay Output Relay NC NO contacts Relay 220VAC 0 27A 24VDC 2A NC NO COMMON Relay Mechanical Totaliser Etc...
Страница 14: ...the conditions can create a situation where the flowmeter will still read intermittently and it is essential that for a trouble free installation the meter be full of liquid at all times CALIBRATION...
Страница 15: ...p can be viewed without the password however no changes can be saved at the Save exit menu and the error message wrong password is displayed Press repeatedly until cursor is under digit to be edited P...
Страница 16: ...ntinue M1_3 flow alarm 20 l s Enter the flow rate at which the flow alarm must operate Press repeatedly until cursor is under digit to be edited Press repeatedly until desired value is displayed and M...
Страница 17: ...ct the level below which the signal converter will output no flow Press to select option required and MENU to return to Main Menu M1_8 empty pipe activated deactivated Select to activate or deactivate...
Страница 18: ...or is under digit to be edited Press repeatedly until desired value is displayed and MENU to continue M2_4 sim fwd mA 100 The output current can be driven to any percentage of full scale by entering t...
Страница 19: ...erate the relay provided the relay link is inserted 1 Pulse output totalizer output 2 Reverse flow detects change in flow direction 3 Flow alarm detects high flowrate 4 Empty pipe detects empty pipe c...
Страница 20: ...e signal converter The calibration procedure is supplied with the calibrator CAL MENU hidden menu M3_1 set 4mA 720 Connect an accurate milliamp meter to the current output terminals Select a value tha...
Страница 21: ...ges ERROR MESSAGE ERROR POSSIBLE SOLUTION empty pipe No liquid in flowtube Faulty electrode coil cable Fill pipe Repair replace cable no coil current low coil current Faulty cable Faulty flowtube Faul...
Страница 22: ...m Electrodes leaking return flowtube for repair Disconnect wires from coil terminals of signal converter Test insulation between coil wires of cable and Gnd terminal on signal converter Is resistance...
Страница 23: ...0Hz Outputs 4 20mA into 650 load Isolated output 24V active pulse output oct Relay 220VAC 0 27A 24VDC 2A Units Rate units m s l s l m l hr m3 s m3 m m3 hr Ml d Configuration Supplied to customers spec...
Страница 24: ...ns or technical direction supplied by Flowmetrix SA CC and is further conditioned upon the purchasers prompt written notice within 30 days to Flowmetrix SA CC of such defects Flowmetrix SA CC makes no...
