kirchgaesser MIDEX-H Series Operating Instructions Manual
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kirchgaesser MIDEX-H Series Operating Instructions Manual

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Flow meter
MIDEX
ba023000en; Rev. 2.6
Operating
instructions
QM

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Summary of Contents for kirchgaesser MIDEX-H Series

  • Page 1 Flow meter Operating instructions MIDEX ba023000en; Rev. 2.6...
  • Page 2 MIDEX Kirchgaesser Industrieelektronik GmbH Am Rosenbaum 6 D-40882 Ratingen (Homberg) Tel.: +49 (0)2102 / 955 - 6 Fax: +49 (0)2102 / 955 - 720 www.kirchgaesser.com info@kirchgaesser.com Kirchgaesser Industrieelektronik GmbH...

  • Page 3: Table Of Contents

    Overview of default values ..........................37 Display and output of measuring data ................39 Normal operation ............................. 39 Overrange ............................... 39 Medium missing .............................. 40 Error ................................40 EEPROM error ..............................41 Pulse output ..............................41 Dimension sheets ......................42 Technical data ........................45 Kirchgaesser Industrieelektronik GmbH...

  • Page 4: Introduction

    It is available in the nominal widths from DN 50 to DN 300. The instruments are available in the nominal pressure of PN 10 to PN 500. The enclosure is made of stainless steel. The transport of this device is allowed only with the right fixing at the flange (e.g. by lifting eye bolts). Improper transport can lead to irreparable damaging of this measuring instrument. Kirchgaesser Industrieelektronik GmbH...

  • Page 5: Table Of Versions

    0 - 50 °C. It is freely programmable between -20°C and +60°C. The standard length of the sensor is 100 mm. Other lengths are available on request. The maximum cable lenght of the MTF is 30 m. Kirchgaesser Industrieelektronik GmbH...

  • Page 6: Certification

    An electrically conductive medium flows in the tube, where a measuring voltage is produced which is perpendicular to the direction of flow and the magnetic induction. The level of the measuring voltage produced is proportional to the speed of the measuring medium; it does not, however, depend on the conductivity of the medium. Kirchgaesser Industrieelektronik GmbH...

  • Page 7: Measuring Ranges

    0 - 300 Measuring range (refrigeration/heating capacity) W/(kW) minimal Standard maximal DN40 DN50 DN60 DN65 1000 DN80 1500 DN100 1000 2500 DN125 2000 3500 DN150 3000 5000 DN200 5000 10000 DN250 8000 15000 DN300 1000 10000 20000 Kirchgaesser Industrieelektronik GmbH...

  • Page 8: Volume - Nominal Widths - Velocity Of Flow

    Introduction MIDEX 1.7 Volume - nominal widths - velocity of flow Figure 1.2 Q/v diagram Q/(m /h) 2000 1000 Q/(gal/min) Q/(l/min) 2000 1000 v/(m/s) average velocity of flow Example: A volume flow of 56 m /h results from a nominal width of DN 100 and a velocity of flow of 2 m/s. Kirchgaesser Industrieelektronik GmbH...

  • Page 9: Installation

    • No installation immediately before an open pipe outlet in a downward line. • Locations exposed to strong vibration should be avoided. • Do not mount at the lowest point (danger of solids accumulation). Fig. 2.2 Mounting location to be avoided Kirchgaesser Industrieelektronik GmbH...
  • Page 10 Fig. 2.4 Partially full pipes The horizontal orientation of the measuring electrodes has to be observed in level or angled mounting positions, the position of the electronics housing is helpful here. Fig. 2.5 Horizontal orientation Electrodes Kirchgaesser Industrieelektronik GmbH...

  • Page 11: Electrical Connection

    → KL10 KL11 KL12 KL13 8.1 8.2 9.1 9.2 10.1 10.2 11.1 11.2 12.1 12.2 13.1 13.2 KL2 KL3 KL4 KL5 KL6 KL7 1.1 1.2 4.1 4.2 5.1 5.2 6.1 6.2 7.1 7.2 2.1 2.2 3.1 3.2 Kirchgaesser Industrieelektronik GmbH...

  • Page 12: Terminal And Pin Assignment

    Pin 9 Connector 3 Connector 1 KL 6.2 Pin 3 Pin 10 Output 4 Connector 1 — KL 7.1 Pin 11 Connector 1 — KL 7.2 Pin 12 Terminals and pins not mentioned are not electrically connected! Kirchgaesser Industrieelektronik GmbH...
  • Page 13 Pin 11 Connector 2 — KL 11.2 Pin 12 Temperature sensor 1 KL 12.1 Temperature sensor 1 KL 12.2 Temperature sensor 2 KL 13.1 Temperature sensor 2 KL 13.2 Terminals and pins not mentioned are not electrically connected! Kirchgaesser Industrieelektronik GmbH...
  • Page 14 Connector 3 Connector 3 Pin 5 Pin 5 Temperature sensor 1 KL 12.1 Temperature sensor 1 KL 12.2 Temperature sensor 2 KL 13.1 Temperature sensor 2 KL 13.2 Terminals and pins not mentioned are not electrically connected! Kirchgaesser Industrieelektronik GmbH...

  • Page 15: Terminals Of Temperature Sensor Mtf

    The cable coming from terminal KL 12 or KL 13 of the MIDEX device is also connected to “+” and “-” (ground) in the MTF terminal compartment. The cable shield is connected to the terminal provided for this purpose. The LED flashes about one time per second and indicates the data transfer from MTF to MIDEX. Kirchgaesser Industrieelektronik GmbH...

  • Page 16: Controls

    Each output has a corresponding LED placed near the LC-Display to show the status of the output. The LEDs for the inputs are placed directly on top of the terminals KL2 (for input 1) and KL3 (for input 2) and show the status of the inputs. Kirchgaesser Industrieelektronik GmbH...

  • Page 17: Function Selection

    Enter limit hysteresis pulse unit user Units per volume pulse pulse length user Length of volume pulse 3-10 volume counter user user Manual setting of count 3-12 load defaults user user Load default in-/outputs Kirchgaesser Industrieelektronik GmbH...
  • Page 18 Additional filter active/inactive start-up user user Start-up behaviour range flow rate user service Factory range of flow rate diameter DN service Diameter of flowmeter coil frequency service service Frequency of field coil factor service service Calibration factor offset service service Calibration offset amplification service service Adjustment of amplification serial-no. service service Serial number of the flowmeter Kirchgaesser Industrieelektronik GmbH...

  • Page 19: Menu 1: Display

    Temperature T1 = - 5°C und temperature T2 = 23.7°C T1= -5.0°C T2= 23.7°C 4.3.4 Function 1-4: Display thermal output Displays the calculated thermal output. display The product of flow rate measured in l/min resp. m³/h thermal output and temperature difference T2-T1 measured in Kelvin is displayed in Kilowatt (kW). Example: Thermal output = - 12345 kW -12345 Kirchgaesser Industrieelektronik GmbH...
  • Page 20 4.3.7 Function 1-7: Display flow rate and temperatures Displays the current flow rate and the temperatures T1 display and T2 simultaneously. flow and temp. Example: 100 l/min -15.0°C 23.7°C 4.3.8 Function 1-8: Display software version Displays the current software version. display software version Example: Software version 1.0 SW version V 1.00 Kirchgaesser Industrieelektronik GmbH...

  • Page 21: Menu 2: Parameter

    (5 .. 15 Hz) and the spread of range. Example: Full-scale point of flow rate = 400 m³/h max. flow rate 400 m^3/h Display or input of the associated unit follows next. Available units: l/min, m³/h or gal/min This unit refers to the programmed full-scale point and the display of the current flow rate. Kirchgaesser Industrieelektronik GmbH...
  • Page 22 This range represents the 0%-value and the 100%-value for limit values and frequen- cy output (5 .. 15 Hz). The temperature range can be adjusted in 1°C increments. The standard measuring range is adjusted to 0°C .. + 50°C. Kirchgaesser Industrieelektronik GmbH...
  • Page 23 Code number to display function: none Code number to modify parameters: user Available range: 0 .. 10 s (default value: 1 s) The time constant Tau is defined as the time, which is necessary to reach 63% of the new full-scale point. Example: Flow rate damping = 5 seconds damping flow Tau = 05s Kirchgaesser Industrieelektronik GmbH...
  • Page 24 Code number to display function: user parameters 2-11 Code number to modify parameters: user load defaults After safety query the default parameters for the user data area will be loaded. You find an overview of the default values in the section 4.9 of this chapter. Are you sure? <E> = yes Kirchgaesser Industrieelektronik GmbH...

  • Page 25: Menu 3: In-/Outputs

    Allocation of a function to each output. in-/outputs Code number to display function: none outputs Code number to modify parameters: user Available values: frequency, volume pulse, limit-output, switch-output, not used Example: Output 1 = frequency output output 1 frequency Kirchgaesser Industrieelektronik GmbH...
  • Page 26 Code number to modify parameters: user Available values for frequency output: flow rate temperature 1 temperature 2 thermal output Available values for pulse output: volume (assignment automatically) Available values for limit output: flow rate temperature 1 temperature 2 thermal output Available values for switch output: flow direction medium A (volume) pulse output can be assigned to the flow rate only. Example: Output 1 = flow rate A1= limit-output flow rate Kirchgaesser Industrieelektronik GmbH...
  • Page 27 Code number to modify parameters: user Available range: 1 .. 999 Quantity in litres resp. cubic metres flowed through while one pulse is sent to the pulse output. Example: Pulse unit = 1 pulse per m³ one pulse per 1 m^3 Input of the associated unit follows next. Available units: litres or m³ Kirchgaesser Industrieelektronik GmbH...
  • Page 28 3-12 Code number to modify parameters: user load defaults After safety query the default parameters for in-/out- puts are loaded from the EPROM to the EEPROM and the RAM. You find an overview of the default values in the section 4.9 of this chapter. Are you sure? <E> = yes Kirchgaesser Industrieelektronik GmbH...

  • Page 29: Menu 4: Diagnosis

    Code number to activate: user Available range: 0 .. 120% All limit outputs, whose limit values are below the simulated value, switch on or off depending on their parameters (active high or active low). Example: Check the limit outputs by simulating a measurand of measurand 60%. 060% Kirchgaesser Industrieelektronik GmbH...
  • Page 30 4.6.7 Function 4-7: Simulation flow rate on/off Switch the simulation of flow rate on and off. diagnosis simulate flow The medium detection is switched off during the simulation. If MIDEX is fitted out with a volume counter, please notice the count before simulation and enter this count in function 3-10 after simulation. Code number to activate: user Example: Simulation flow rate on simulate flow active Kirchgaesser Industrieelektronik GmbH...
  • Page 31 4.6.10 Function 4-10: Check medium conductivity for medium detection Identification of the actual conductivity of the medium diagnosis 4-10 shown in %. check medium 0% resp. 100% are minimum resp. maximum theoreti- cal conductivities. This value is important for the medium detection only and has no influence on the determination of flow rate (see 4.7.6). Code number to activate: user Example: Actual conductivity of the medium 70% medium 70 % Kirchgaesser Industrieelektronik GmbH...

  • Page 32: Menu 5: Hardware

    10000 kW 4.7.3 Function 5-3: Creepage Display or input of the percentage value to suppress hardware the creepage related to the full-scale point of flow rate creepage value (menu hardware) Code number to display function: service Code number to modify parameters: service Available range: 0 .. 9% Kirchgaesser Industrieelektronik GmbH...
  • Page 33 Function 5-5: Medium detection Consideration of medium detection hardware Code number to display function: service medium detection Code number to modify parameters: service Available values: active / inactive It is only advisable to turn off the medium detection, if you are sure that the pipe is always filled. Otherwise you could get undefined measurands. Example: Medium detection active medium detection active Kirchgaesser Industrieelektronik GmbH...
  • Page 34 Code number to modify parameters: service Available values: "fast" (without displaying program name and version) "normal" (with displaying program name and version) These options are available for start-up (e.g. after power failure). Example: Start-up fast Start-up options fast Kirchgaesser Industrieelektronik GmbH...

  • Page 35: Menu 6: Calibration

    Code number to display function: service coil frequency Code number to modify parameters: service Available frequencies: 6 .. 9 Hz, 11 .. 16 Hz (in steps of 1 Hz) Example: Coil frequency 11 Hz coil frequency 11 Hz Kirchgaesser Industrieelektronik GmbH...
  • Page 36 Function 6-7: Serial number Display or input the serial number of the MIDEX. calibration Code number to display function: service serial-no. Code number to modify parameters: service Available range: 1 .. 99999 Example: Serial number 1234 serial-no. 01234 Kirchgaesser Industrieelektronik GmbH...

  • Page 37: Overview Of Default Values

    A6 = temperature T2 A7 = thermal output A8 = medium detection Limit values A1 = 60% A2 = 60% A3 = 60% A4 = 60% A5 = 60% A6 = 60% A7 = 60% A8 = 60% Kirchgaesser Industrieelektronik GmbH...
  • Page 38 Range thermal output 200 .. 2500 kW Creepage Flow direction inactive Medium detection active Conductivity Filter inactive Start-up normal Range flow rate 400 m Diameter DN DN 150 Coil frequency 6 Hz Factor 1000 Offset Amplification step 2 Serial number 5000 Kirchgaesser Industrieelektronik GmbH...

  • Page 39: Display And Output Of Measuring Data

    “limit value exceeded“ T2 < 0% “limit value exceeded“ W > 120% “limit value exceeded“ Pulse Q > 120% pulse for Q = 120% Switch (flow direction) Q > 120% “positive“ Switch (medium missing) Q > 120% “Medium existing“ Kirchgaesser Industrieelektronik GmbH...

  • Page 40: Medium Missing

    If the power supply is lower than 9.5 VDC the message "low supply" is displayed and the outputs have error status. As soon as the power supply is 9.5 VDC or more the current measurand is displayed and the outputs have normal status. Example: Low supply low supply Kirchgaesser Industrieelektronik GmbH...

  • Page 41: Eeprom Error

    This error message would appear with the following programming (e.g.): • max. flow rate: 200 l/min • pulse unit: 1 Imp/l • pulse length: 1000 ms Since with maximum flow 200 pulses in 60 s would arise, the pulse length might amount to maximally 300 ms (200 x 300 ms = 60 000 ms = 60 s). Kirchgaesser Industrieelektronik GmbH...

  • Page 42: Dimension Sheets

    Dimension sheets MIDEX Dimension sheets Kirchgaesser Industrieelektronik GmbH...
  • Page 43 MIDEX Dimension sheets Kirchgaesser Industrieelektronik GmbH...
  • Page 44 Dimension sheets MIDEX Kirchgaesser Industrieelektronik GmbH...

  • Page 45: Technical Data

    MIDEX Technical data Technical data General specifications Manufacturer: Kirchgaesser Industrieelektronik GmbH Postfach 108105, D-40862 Ratingen Am Rosenbaum 6, D-40882 Ratingen Tel.: +49 / (0)2102 / 955 - 6 Fax.: +49 / (0)2102 / 955 - 720 Function of device: Flow measuring device with optional measuring...
  • Page 46 30.0 VDC Power consumption: max. 50 mW Frequency outputs Frequency: 5 - 15 Hz (only PROMOS) Voltage: max. 13.5 V Inputs Supply voltage: max. 13.0 VDC Internal capacity: negligible Internal inductance: negligible Subject to change without notice! Kirchgaesser Industrieelektronik GmbH...
  • Page 47 MIDEX For your notes! Kirchgaesser Industrieelektronik GmbH...
  • Page 48 Am Rosenbaum 6 D-40882 Ratingen Tel.: +49 (0)2102 / 955 - 6 Fax: +49 (0)2102 / 955-720 www.kirchgaesser.com info@kirchgaesser.com Art.-Nr. 302600...

This manual is also suitable for:

Midex-k seriesMidex-m seriesMidex-p1 seriesMidex-p2 seriesMidex-k hp060500 series

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