COMAC CAL FLOW 38 Installation And Technical Conditions
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COMAC CAL FLOW 38 Installation And Technical Conditions

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FLOW 38
Ver.8.2x
Installation and technical conditions
Date of issue 31/10/2019
Manual FLOW 38
Page 1 (total 54)
COMAC CAL s.r.o.

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Summary of Contents for COMAC CAL FLOW 38

  • Page 1 FLOW 38 Ver.8.2x Installation and technical conditions Date of issue 31/10/2019 Manual FLOW 38 Page 1 (total 54) COMAC CAL s.r.o.

  • Page 2: Table Of Contents

    Password setting ..........................25 Basic menu ............................26 Flow meter settings ..........................27 Expansion module ..........................38 Turning the FLOW 38 display ....................... 41 User adaptation ..........................41 Technical data ............................43 Factory settings ............................45 Table with flow ranges for individual DN sizes ..................46 Basic sensor sizes ...........................
  • Page 3 Flow sensor cleaning ..........................52 Servicing ..............................52 Order code .............................. 53 Returning the meter to COMAC CAL s.r.o................... 54 Manual FLOW 38 Page 3 (total 54) COMAC CAL s.r.o.

  • Page 4: Description Of Device

    This is picked up by two electrodes in direct contact with the measured medium and evaluated in the electronic unit. The FLOW 38 type of induction meters are suitable exclusively for measurement of volumetric flow of electrically conductive liquid substances with a minimum conductivity of 20 S/cm (at a lower conductivity, upon agreement with the manufacturer).

  • Page 5: Storage Conditions

    Unprofessional installation or using the induction meters (devices) may result in a loss of warranty as well as failure to comply with installation or operating conditions according to this manual. Manual FLOW 38 Page 5 (total 54) COMAC CAL s.r.o.

  • Page 6: Installation In Pipeline

    Manual FLOW 38 Page 6 (total 54)

  • Page 7: Installation Examples

    Recommended installation locations Downtake pipe Bubbles are accumulated in the Install an air bleed valve after the sensor  pipeline; erroneous measurement Correct location Pipeline is empty; erroneous measurement Manual FLOW 38 Page 7 (total 54) COMAC CAL s.r.o.
  • Page 8 This will serve as an additional safety measure for detection of non-flooded tube. The responsibility for suitability and adequacy of application of induction flow meters is borne by the designer or possibly the user himself. Manual FLOW 38 Page 8 (total 54) COMAC CAL s.r.o.

  • Page 9: Actual Installation In Pipeline

    5sec at least, the flow meter will display the "Empty tube" status, and if it is necessary, it sends out an error message and stops taking measurement. Manual FLOW 38 Page 9 (total 54) COMAC CAL s.r.o.
  • Page 10 1) correct installation (flow sensor should be install in arbitrary position in vertical piping) EMPTY TEST – ON EMPTY TEST – OFF 2) incorrect installation (placing the unit diagonally, Empty test – ON) Manual FLOW 38 Page 10 (total 54) COMAC CAL s.r.o.
  • Page 11 - when additional sealing is used, avoid its interference in the flow profile of the detector between the flanges and the pipeline, otherwise the flow measurement error may be increased Manual FLOW 38 Page 11 (total 54) COMAC CAL s.r.o.
  • Page 12 12 x M24 350 16 x M20 16 x M24 400 16 x M24 16 x M27 500 20 x M24 20 x M30 600 20 x M27 20 x M30 Manual FLOW 38 Page 12 (total 54) COMAC CAL s.r.o.
  • Page 13 If you do not find your size or structure in the Torque Table, it is a special or non-standard design. In such a case, contact the manufacturer for more detailed information. Manual FLOW 38 Page 13 (total 54) COMAC CAL s.r.o.
  • Page 14 However, if it is not ensured that the counter-flanges are in dicert contact with the measured media and they are conductive, the earthing rings must be used, refer hereinafter. Manual FLOW 38 Page 14 (total 54) COMAC CAL s.r.o.
  • Page 15 While mounting, it is necessary to insert seals in both sides of the earthing ring and take care that no part extends to the internal profile of the sensor (whirling and turbulence of the medium). Manual FLOW 38 Page 15 (total 54) COMAC CAL s.r.o.

  • Page 16: Installation Check

    Accuracy of execution of the pipeline calming section lengths If the sensor is protected against vibrations and mechanical damage. If the name plate (serial number) on the sensor corresponds to the one on the electronics. Manual FLOW 38 Page 16 (total 54) COMAC CAL s.r.o.

  • Page 17: Wiring

    Never make kinks on the cable and on individual conductors and do not let them cross mutually in the terminal board area and always use a separate cable grommet for power supply. Cover the unoccupied grommets with a piece of cable or a plastic plug (securing of tightness). Manual FLOW 38 Page 17 (total 54) COMAC CAL s.r.o.

  • Page 18: Installation Of The Meter's Detached Evaluation Unit

    After that, connect the connector of the flow sensor cable with the power cable (possibly outputs) and close the unit with the cover and tighten it in a similar way as in the case of wall mounting. Manual FLOW 38 Page 18 (total 54)

  • Page 19: Meter Wiring

    (Install as an independent supply circuit with its own protection 0.5…1 A) Note: Terminal board and jumper connection is always indicated on the power supply cover sheet and on the rear cover. Manual FLOW 38 Page 19 (total 54) COMAC CAL s.r.o.

  • Page 20: Out1 / Out2

    Wiring connection examples – passive output: Terminal board wiring connection: Examples of connection – active output: Terminal board connection: Due to CTR≈100% and If=2.5mA, it is suitable to select collector current up to 2.5mA. Manual FLOW 38 Page 20 (total 54) COMAC CAL s.r.o.

  • Page 21: Current Output

    Current output D/A - converter of the FLOW 38 evaluation unit is 16-bit with data recovery per second. The converter is isolated from the meter by optocouplers. If the current output is passive, it is necessary to feed the current output from an external power supply.

  • Page 22: The External Button To Reset The User Volume Vnull

    This will eliminate the penetration of moisture into the cable entry. Install the measuring instrument always with cable entries not facing upwards if it is possible. Provide all unused cable entries with dummy plugs. Do not remove sealing rings from the cable entries. Manual FLOW 38 Page 22 (total 54) COMAC CAL s.r.o.

  • Page 23: Replacement Of Tube Fuse In The Meter

    Correct tightening of cable entries. Correct connection of cables to terminals. Whether the supply voltage corresponds with the nameplate data. After the meter is closed, tighten the covers properly to the O-rings. Manual FLOW 38 Page 23 (total 54) COMAC CAL s.r.o.

  • Page 24: Putting Into Operation

    Any interventions in the inductive flow sensor and evaluation unit itself are illegal on the part of operator and they may lead to direct scalding by medium. Perform electrical connection always after powering off. Manual FLOW 38 Page 24 (total 54) COMAC CAL s.r.o.

  • Page 25: Flow 38 Operating Instructions

    FLOW 38 OPERATING INSTRUCTIONS Basic button functions The meter is provided with two external buttons on the side of the electronics housing and with three internal buttons on the bottom of the measuring electronics PCB which is accessible after unscrewing the front glazed cover.

  • Page 26: Basic Menu

    PRODUCTION PASSWORD is a generated, unique password linked with the given meter which is not publicly accessible. Data can only be modified under the production password an authorized person entrusted by COMAC CAL s.r.o. These are the following data: Serial number...

  • Page 27: Flow Meter Settings

    The counter can be reset again by pressing the E button. Manual FLOW 38 Page 27 (total 54) COMAC CAL s.r.o.
  • Page 28 (flow in positive direction, in opposite direction and in both directions) as well as your own switching point value. *Qlimit - the number of decimal places is given by DN of the given meter and cannot be changed. Manual FLOW 38 Page 28 (total 54) COMAC CAL s.r.o.
  • Page 29 Imp - impulses FSw – flow switch Status – status output +V – in flow direction 1÷9999 ΣV –in both flow directions imp/L - V – in reverse flow direction L/imp Manual FLOW 38 Page 29 (total 54) COMAC CAL s.r.o.
  • Page 30 Output 2 compared to Output 1 can be set additionally as a failure status output of the meter. If no failure status occurs in the meter, the status output is on-state. Manual FLOW 38 Page 30 (total 54) COMAC CAL s.r.o.
  • Page 31 - Q – negative flow direction Current loop calibration can be carried out by changing the Offset value. 0÷99 + = calibration to positive values – = calibration to negative values Manual FLOW 38 Page 31 (total 54) COMAC CAL s.r.o.
  • Page 32 E button. The customer can select from these indications, namely both on the first and the second lines. line 1 line 2 Date and time Volume [customer] Total volume Volume (-) direction Volume (+)direction Flow bargraph Flow Manual FLOW 38 Page 32 (total 54) COMAC CAL s.r.o.
  • Page 33 Calibration constants Calibration constants are registered during the production and cannot be changed by user. Modifications can only be carried out by an authorized person under production password. Manual FLOW 38 Page 33 (total 54) COMAC CAL s.r.o.
  • Page 34 Note: Before recalibration is performed, do not forget to close the valves first and secure a real zero flow (stationary medium) in the system. Manual FLOW 38 Page 34 (total 54) COMAC CAL s.r.o.
  • Page 35 (again, ∑V,-V, +V or all). Nominal diameter (DN) This parameter is set in the factory and cannot be changed. DN modification can only be carried out by an authorized person under production password. Manual FLOW 38 Page 35 (total 54) COMAC CAL s.r.o.
  • Page 36 - Q or ∑Q only). This is illustrated also by the beginning of the graph either from left side (positive direction of flow) or from the right side (negative direction of flow). Manual FLOW 38 Page 36 (total 54)
  • Page 37 At the same time, the calibration constants will be set to the factory values Before activating this function, it is useful to record or make a data backup of all counters. Manual FLOW 38 Page 37 (total 54) COMAC CAL s.r.o.

  • Page 38: Expansion Module

    Expansion module The FLOW 38 can be fitted with an expansion module for enhancement with the following function: 1) DATALOGER 2) MBus SDHC CARD 3) DATALOGGER + MBus DATALOGGER MBus The expansion module is inserted in the slot found in power supply part of the meter and it is attached with an M3 screw.
  • Page 39 Power off and insert the expansion card into the available slot and fix it with an M3 screw. After power off, connect the MBus communication line to terminals of the expansion module. Manual FLOW 38 Page 39 (total 54) COMAC CAL s.r.o.
  • Page 40 Rx - reception on line 1 (RS4858, MBus/Modbus) Tx - transmission on line 1 (RS485, MBus/Modbus) R1 - reception on line 2 (MBus expansion module) T1 - transmission on line 2 (MBus expansion module) Manual FLOW 38 Page 40 (total 54) COMAC CAL s.r.o.

  • Page 41: Turning The Flow 38 Display

    Turning the FLOW 38 display User adaptation The measuring element makes it possible to turn the display according to installation of the meter. To change the position of the display, it is necessary to unscrew the top cover of the meter with the glass window.
  • Page 42 7. Turn the electronic PCB with display to the required position (3x ± 90° maximum). 8. Screw in the four fixing screws. Make sure that the screws are tightened properly!!! 9. Screw in the front cover with the window. Manual FLOW 38 Page 42 (total 54) COMAC CAL s.r.o.

  • Page 43: Technical Data

    RH (outputs) 1 x cable max. 13 mm Ambient temperature 5...55°C Ambient humidity max. 90% 144 x 151 x 125 mm (H x W x D),  head 104 mm Head size Manual FLOW 38 Page 43 (total 54) COMAC CAL s.r.o.
  • Page 44 1.52 % + 0.35 mm/s >= DN 15 0.5 % of M* 0.52 % + 0.8 mm/s 1.22 % + 0.35 mm/s * Of M – of the measured value Manual FLOW 38 Page 44 (total 54) COMAC CAL s.r.o.

  • Page 45: Factory Settings

    8,480,000 0.01 12,200,000 Diameter Resolution V Resolution Q nominal DN≤15 V [0.001 m3] Q [0.001 m3/h] 50≥DN>15 V [0.01 m3] Q [0.01 m3/h] DN>50 V [0.1 m3] Q [0.1 m3/h] Manual FLOW 38 Page 45 (total 54) COMAC CAL s.r.o.
  • Page 46 13.5 6.75 1350 DN 250 21.1 — 2115 DN 300 — 3050 DN 350 — 4150 DN 400 — 5426 DN 500 — — 8480 DN 600 — — 12200 Manual FLOW 38 Page 46 (total 54) COMAC CAL s.r.o.

  • Page 47: Basic Sensor Sizes

    (kg) of comp. meter weight (kg) of sensor ½“ ½“ ½“ “ ½“ ¾“ 1“ 1 ¼“ 1 ½“ 2“ The Table is for PN25. Manual FLOW 38 Page 47 (total 54) COMAC CAL s.r.o.
  • Page 48 [mm] of sensor of sensor of sensor sensor (kg) of comp. meter weight (kg) 10*,15 The Table is for PN25. * Process connection is performed through DN 15 flange Manual FLOW 38 Page 48 (total 54) COMAC CAL s.r.o.
  • Page 49 1025 The Table is up to DN 200 for PN25, DN250 and DN300 for PN16, DN350 to DN600 for PN10. * Process connection is performed through DN 15 flange Manual FLOW 38 Page 49 (total 54) COMAC CAL s.r.o.
  • Page 50 DN 80 agreement agreement The Table is for PN25. Diameter nominal [mm] DN 15…DN 20 DN 25…DN 40 DN 50 DN 65 DN 80 Outside dimension of CLAMP [mm] 50,5 Manual FLOW 38 Page 50 (total 54) COMAC CAL s.r.o.

  • Page 51: Nomogram For Quick Proposal Of The Measured Place

    Nomogram for quick proposal of the measured place Reduction in DN pipe If the pipe’s DN is higher than that of the meter selected Manual FLOW 38 Page 51 (total 54) COMAC CAL s.r.o.

  • Page 52: Faults And Their Symptoms During Measurement

    When the operations described below are carried out incompetently, the claim for warranty for errors resulting from this becomes null and void !!! Turn off the power every time the evaluation unit is opened!!! Manual FLOW 38 Page 52 (total 54) COMAC CAL s.r.o.

  • Page 53: Order Code

    Order code Manual FLOW 38 Page 53 (total 54) COMAC CAL s.r.o.

  • Page 54: Returning The Meter To Comac Cal S.r.o

    If the meter was run with poisonous, etching, combustible liquids or with fluids dangerous to water, check it and if appropriate, flush and neutralize the cavities inside the sensor. Please attach full description of the fault. COMAC CAL s.r.o. will not be able to process your request promptly and correctly without this form.

This manual is also suitable for:

Fl38h50Fl38h15Fl38h32Fl38h25Fl38h40

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