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Instruction Manual

DM08

Magnetic Inductive Flow Meter

PKP Prozessmesstechnik GmbH

Borsigstraße 24

D-65205 Wiesbaden-Nordenstadt

Tel.: ++49-(0)6122-7055-0

Fax: ++49-(0)6122-7055-50

Email: [email protected]

Содержание DM08

Страница 1: ...Instruction Manual DM08 Magnetic Inductive Flow Meter PKP Prozessmesstechnik GmbH Borsigstra e 24 D 65205 Wiesbaden Nordenstadt Tel 49 0 6122 7055 0 Fax 49 0 6122 7055 50 Email info pkp de...

Страница 2: ...netic current line 20 7 Commissioning 21 8 Operation 22 8 1 Functional classes main menu 26 8 1 1 Measured values 27 8 1 2 Password 29 8 1 3 Totalizer 31 8 1 4 Measurement processing 32 8 1 5 Flow 33...

Страница 3: ...Instruction Manual DM08 12 3 2 Separate version with wall bracket 57 2 PKP Prozessmesstechnik 09 2019...

Страница 4: ...s that cause personal injuries that can lead to health defects or cause considerable damage to property CAUTION Electric current This sign indicates dangers which could arise from handling of electric...

Страница 5: ...s calibration are realized at the factory Other settings are user definable Measurement data from sensors are processed by display electronics It is designed for flow velo cities up to 10 m s Componen...

Страница 6: ...later date shall not be re cognized Unpacking Carefully unpack the unit to prevent any damage Check the completeness of the delivery based on the delivery note Scope of delivery 1x DM08 according to...

Страница 7: ...ice are compatible with the me dia being used Materials Materials CAUTION Risk of injury due to high temperature Hot process media can lead to hot surfaces Danger of burns with surface temperatures ab...

Страница 8: ...r the installation operation and maintenance of the DM08 must hold a relevant qualification This can be based on training or relevant tuition The personnel must be aware of this operating manual and h...

Страница 9: ...t to individual operating procedures or activities can be found at the beginning of the relevant sections of this operating manual 4 Construction and function 4 1 Construction The DM08 comprises a sen...

Страница 10: ...the electrodes As higher the conductivity is as more reliable operates the empty pipe detection Insulation coatings on the electrodes surface worse the empty pipe detection Safety of operation A compr...

Страница 11: ...free of vibrations Make sure that the cables are properly installed at high humidity and wet conditions The electrode cable must be fixed If the conductivity of the medium is low cable movements may...

Страница 12: ...electronics the outer screen of the connecting cable is connected to the housing of the display electronics and has PE potential The inner screens of the electrode line are connected to FE inside the...

Страница 13: ...ill electrolyze and be destroyed Potential free installation of the sensor If the pipelines cannot be earthed due to operational reasons the sensor must be installed voltage free To do this a separate...

Страница 14: ...oltage 60 V Make sure that no higher potential is connected to FE 5 3 Sensor installation instructions CAUTION Risk of malfunction due to external magnetic fields Magnetic fields close to the device c...

Страница 15: ...nstalled in pipe sections that could run empty e g downpipes If the sensor must be installed in a down pipe ensure that portion of the pipeline is always filled 100 with the media Due to possible accu...

Страница 16: ...ller diameter must be used If several sensors are installed in series the distance between each sensor must be equal to the length of one sensor If two or more sensors are to be installed in parallel...

Страница 17: ...ble measuring accuracy a vertical installation position with increasing flow is preferable no collecting of dirt deposits Install the appropriate screwed connections at the installation location Inser...

Страница 18: ...unction boxes of the display electronics and the sensor Connecting cables When connecting the DM08 use the following cable depending on the cable lengths Cable length Wire cross sec tion Example Cable...

Страница 19: ...e Only use signal cables as specified in chapter Connecting cables Lay the signal cables separately from cables with voltages 60 V Avoid laying signal cables close to large electrical installations IM...

Страница 20: ...factory Wiring pulse status output passive The external wiring for the pulse output and the status output is the same The wiring for the pulse output is done via terminals 4 and 5 and for the status...

Страница 21: ...sensor Pin assignment Terminal Wire colour Function Magnetic current line 3 wire 5 brown Magnetic field current 1 6 white Magnetic field current 2 7 green yellow Potential equalization PE Electrode l...

Страница 22: ...essure surges should be avoided Change the orientation of the display electronics only compact version The display electronics of the compact version isn t rigidly connected to the sensor but can be t...

Страница 23: ...from 20 C to 50 C without be ing damaged Near freezing temperatures the display becomes slow The readability of the measured values is reduced At temperatures below 10 C only static values parameter s...

Страница 24: ...ow Cursor key up arrow Cursor key down arrow ENTER key The ENTER key is used for entering the parameter level from the menu level All entries are confirmed with the ENTER key ESC key The ESC key is us...

Страница 25: ...parameters or further submenus The third and lowest level is the parameter level which only includes parameters All functional classes are interlinked horizontally while all sub items of a functional...

Страница 26: ...ays shows the heading while the second line shows the current setting Modifications can only be made in Programming mode Operating modes p 24 Function name 4 567 Unit To move the flashing cursor from...

Страница 27: ...an be navigated by using the or cursor keys To go back to your starting point the MEASURED VALUES functional class press Esc In the following all software functions that can be accessed using the cust...

Страница 28: ...totalizer 1 for example you can measure the yearly or monthly volume If you select the function totalizer for ward 1 the current value of the totalizer for ward 1 will be displayed Totalizer 1 fwd 00...

Страница 29: ...centage ratio of the current volume flow Qabs and the upper range value of the volume flow The calculation of the relative flow rate is based on the following formula 100 limit range lower limit range...

Страница 30: ...otalizer R reverse flow velocity QVabs QVrel QV totalizer 1 QV totalizer 2 QV velocity raw values How to change the parameter please refer to Section Selection window make a selection Raw value displa...

Страница 31: ...d allows changes for all software parameters that are permissible for customers After the operator switched off the device or no keystroke occurs for about 15 minutes the au thorization for changes ar...

Страница 32: ...e current forward and reverse totalizer unit will be displayed Totalizer unit m3 Example How to change the parameter please refer to Section Selection window make a selection The following units are a...

Страница 33: ...settings the cus tomer password has to be entered Otherwise the settings only can be watched but not changed The ESC key is used for discarding changes Damping value The damping value is intended to a...

Страница 34: ...the low flow cut is given as a percentage of the upper range value It is the flow rate the low flow cut has to be exceeded to activate the display and the outputs For selecting the desired function pl...

Страница 35: ...ass unit the liquid density is certainly required 8 1 5 1 Scaling the outputs The measuring variable volume flow rate is shown by the DM08 as well as an analogue current output as a pulse output The c...

Страница 36: ...ments Volume flow limit MAX The MAX limit value for volume flow can be shown by the status output The value for volume flow limit MAX is a per centage of the current upper range value QV URV If the vo...

Страница 37: ...value based on the inside diameter of the sensor This value is normally set for a flow ve locity of 11 m s QV USL 003580 0 m3 h Example 8 1 6 Pulse output The PULSE OUTPUT functional class includes th...

Страница 38: ...ume units m3 Cubic metre l Litre USG Gallon US UKG Gallon brit ft3 Cubic feet Mass units kg Kilogram t Tonne Pulse value This function is used to define how many pulses will be output per accumulated...

Страница 39: ...s the ENTER key to display the current setting Output active closed Example As mentioned in Selection window make a selection one of the following settings can be chosen Setting Function closed Status...

Страница 40: ...red function within the class please use the keys and After selecting the function Current output 0 4 20 mA press the ENTER key to display the current setting Current output 4 21 6 mA Example One of t...

Страница 41: ...g or deactivating simulation mode For selecting the desired function within the class please use the keys and After selecting the function simulation on off press the ENTER key to display the current...

Страница 42: ...parameter Preset Q is of relevance only if the parameter Simulation preset Q direct is set to QVabs Direct simulation status output Using the function Simulation direct status output the status output...

Страница 43: ...elevance only if the para meter preset of is set to direct 8 1 10 Self test The function class SELF TEST includes all functions relating to the self test of the sensor The diagnostic functions of the...

Страница 44: ...calibration on off The function Reference calibration on off is used to enable or disable the period ical recalibration of the transmitter This function is useful for periodical self monitoring and fo...

Страница 45: ...meter please refer to the description in section Selection window make a selection Empty pipe detection period The function Empty pipe detection period is intended for defining the period of time aft...

Страница 46: ...nected to the display electronics The distinction of the sensor type is necessary and essential because the al gorithm for flow rate calculation differs from sensor type to sensor type After selecting...

Страница 47: ...cy is not en sured Mains frequency To provide the optimum interference suppres sion the mains frequency is needed and the function Mains frequency is intended to enter this parameter The default setti...

Страница 48: ...tion is intended to show the history of system errors that have occurred After selecting the function show system er rors using key or and pressing Enter the code of last system error will be displaye...

Страница 49: ...M08 distinguishes between two types of errors System errors System errors and Self test errors Self test errors 9 1 System errors Errors that indicate system memory failure division by zero or a damag...

Страница 50: ...s will be set to zero Flow rate exceeds the upper range value Vmax 10 m s Current saturated The current output is overloaded Based on the selected settings and the cur rent assigned measured variable...

Страница 51: ...uries will be billed to the operating company WARNING Risk of injury due to insufficient cleaning The operating company is responsible for all damages and harm of any kind in particular physical injur...

Страница 52: ...unit has to be removed from the pipeline CAUTION Risk of injury Perform all installation and connection work only when the supply voltage is switched off The connection between sensor and display elec...

Страница 53: ...ent is switched off and is in a safe and de energised state the equipment is depressurised and has cooled down Disassembly Remove the electrical connectors Remove the DM08 using suitable tools Disposa...

Страница 54: ...flow suppression Response time 100 ms depending on the electronics settings Measuring principle Clocked DC field DC Mounting position inlet section outlet section Sensor 5 x nominal width DN 2 x nomin...

Страница 55: ...ctive Current limitation 21 6 mA Accuracy additionally 0 1 per 10 K Max load 600 Short circuit proof Permanent Status output Frequency output as frequency output max 1 kHz Version Optocoupler Switchin...

Страница 56: ...6 PN 40 PN 16 PN 40 PN 10 PN 16 PN 25 PN 40 JIS B2220 10K 9 8 bar ANSI B16 5 150RF 19 6 bar Process connection steel 15 9 bar Process connection stainless steel Degree of protection EN 60529 IP 67 Cor...

Страница 57: ...80 130 53 7 10 DN 40 1 200 200 206 0 3 80 130 53 7 5 10 5 DN 50 2 200 200 206 0 3 80 140 57 9 12 DN 65 2 200 200 206 0 3 80 155 63 10 13 DN 80 3 200 200 206 0 3 80 170 70 13 16 DN 100 4 250 250 256 0...

Страница 58: ...Manual DM08 12 3 2 Separate version with wall bracket Display electronics Sensor The dimensions L W D and H correspond to the values of the table on the compact device Compact device Technical changes...

Страница 59: ...volume device status limit values flow direction empty pipe detection can be displayed The display electronic operates with a 16 bit microcontroller by what a fast reaction time 100 ms can be achieved...

Страница 60: ...ole flange Compact Design Order Code Order number DM08 Magnetic inductive flowmeter 32 1 S P E 0 K 1 0 Nominal size mea range 15 DN 15 0 6 m h 25 DN 25 0 17 m h 32 DN 32 0 29 m h 40 DN 40 0 45 m h 50...

Страница 61: ...emp 10 30 C environment temp 20 30 C warm up time 30 min straight pipe lengths inlet section 5 x DN properly centered and emptied Dimensions Compact Design Output Signal Frequency output Configuration...

Страница 62: ...0 3 80 130 53 6 9 DN 32 1 200 200 206 0 3 80 130 53 7 10 DN 40 1 200 200 206 0 3 80 130 53 7 5 10 DN 50 2 200 200 206 0 3 80 140 57 9 12 DN 65 2 200 200 206 0 3 80 155 63 10 13 DN 80 3 200 200 206 0...

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