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172-65256M-00 (VFM-T2) 7 September 2001

Vortex Flowmeter Counter

VFM-T2

ISO 9001/ ISO 14001

Manufacturer

Kakogawa, Japan

is approved by LRQA LTD. to ISO 9001/14001

Содержание VFM-T2

Страница 1: ...65256M 00 VFM T2 7 September 2001 Vortex Flowmeter Counter VFM T2 Copyright 2001 by TLV CO LTD All rights reserved ISO 9001 ISO 14001 Manufacturer Kakogawa Japan is approved by LRQA LTD to ISO 9001 14...

Страница 2: ...g Terminal Block 7 Input Signal Connection 7 Configuration Block Diagram 8 Functions and Operation 9 The LCD Counter Display 9 Verifying the Meter Factors 9 Calculating Total and Instantaneous Flow Ra...

Страница 3: ...pearance to make sure nothing is out of the ordinary Also be sure to read this manual carefully before use and follow the instructions to be sure of using the product properly If detailed instructions...

Страница 4: ...r damage occurring as a result of failure to observe these precautions Symbols Indicates a DANGER WARNING or CAUTION item DANGER Indicates an urgent situation which poses a threat of death or serious...

Страница 5: ...rt where at all possible transport the product to the installation site in the original packaging in which it was shipped from TLV 2 During transport avoid subjecting the product to strong impacts or...

Страница 6: ...croprocessor and is lightweight and compact in design It offers four independent functions cumulative total flow instantaneous flow rate hourly and per minute total flow and resettable total in a sing...

Страница 7: ...o injury fires damage or other accidents may occur Do not touch the terminals during transmission Failure to observe this precaution could result in such hazards as damage to the product malfunctions...

Страница 8: ...m Caution As incorrect combinations could lead to serious damage to these units be sure to check again after connecting the cables Description of Field Wiring Terminals Name Terminal No Connection and...

Страница 9: ...cuit in the next step When the full scale frequency is in the range of 2 4Hz and the waveform ratio of the input pulse is 1 1 J1 CLOSE F I Circuit converts an input frequency of 4 20mA or 1 5V to an a...

Страница 10: ...sequence Verifying the Meter Factors If the MODE button is pushed when the select switch is set to either C or 4 the meter factors are displayed in the following sequence NOTE For items marked with a...

Страница 11: ...rate in full scale is held within 1 100 T 200ms NOTE It is designed so that when T 5000 ms the instantaneous flow rate on the display will show 0 NOTE Set it so that sampling cycles input period 5000...

Страница 12: ...ove the screws from the rear plate and then take the rear plate off 3 Pull the internal unit out to the rear Waveform Shaping Function Specifications for Type of Pulse Input and Input Settings Jumper...

Страница 13: ...ith the individual specifications Setting the Pulse Output Specifications Selection Jumper J3 1 Synchronized input 1 1 A C 2 Scaled display units standard B C Power Board underside Setting Hard Dividi...

Страница 14: ...manner only the procedure for the meter factor is explained here to avoid duplication Ex Changing the meter factor from 1 2345 to 0 9876 1 Change the position of the select switch from the default pos...

Страница 15: ...3 Verifying the New Meter Factor Setting Change the select switch from F to C and press the MODE button to confirm each individual digit The new meter factor Ex is displayed 14 Change the select switc...

Страница 16: ...fixed l l Set the pulse width to a suitable flow rate range to ensure that the pulse does not become too heavy Operation and Adjustment for Setting and Modifying the Analog Output Circuit Optional The...

Страница 17: ...09 9 B 110 0 119 9 C 120 0 129 9 D 130 0 139 9 E 140 0 149 9 F ON ON ON ON 150 0 199 9 2 OFF OFF OFF OFF 200 0 299 9 3 OFF 300 0 399 9 4 ON 400 0 499 9 5 500 599 6 600 699 7 700 799 8 800 899 9 900 99...

Страница 18: ...onse Operation After pre operational preparations are completed turn on the power Troubleshooting u IMPORTANT u When internal trouble is suspected contact TLV after inspecting the counter by following...

Страница 19: ...to 1 10 or 1 100 When scaler value exceeds 1 150Hz maximum Selection Scaled same unit as displayed standard or synchronized input unscaled Output Signal Open collector after optical isolation Capacity...

Страница 20: ...improper installation use handling etc by other than TLV CO LTD authorized service representatives Malfunctions due to dirt scale rust etc Malfunctions due to improper disassembly and reassembly or i...