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18

Be careful

The power supply and signal cables of the heat meter are allowed to be exposed, but

they must be protected from external factors; Please keep the signal cable and excitation
cable of the split heat meter away from high-power appliances and frequency converters
as far as possible.

7.3 Connection

important

● In order to prevent instrument damage caused by condensation, do not connect cables
outdoors in rainy days;
● The unused cable access hole is not allowed to remove the sealing cover.
● The cable sheath shall enter the instrument housing completely and moderately.

7.3.1

Terminal block

The connection terminals of the converter are plug-in type. First connect the wire head to
the plug and tighten it. After checking that there is no error, insert the plug into the
corresponding terminal base.

Figure 7

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3 overview of terminal blocks73

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Содержание MAG-11 Series

Страница 1: ...Electromagnetic Heat Meter MAG 11 Series Instruction Manual Please read this manual carefully and use the product correctly on the basis of full understanding ...

Страница 2: ...parameters 5 4 2 Converter 5 4 3 Sensor 6 4 4 Temperature sensor 8 5 Installation 8 5 1 Installation position 8 5 2 Pipe section meeting the working conditions of flow sensor 9 5 4 Installation instructions 12 6 Grounding 14 6 1 Metal pipe 14 6 2 Non metallic pipe 15 7 Connection 15 7 1 Cable selection 15 7 2 Cable laying 17 7 3 Connection 18 8 Panel operation and display 24 8 1 Panel and key desc...

Страница 3: ...e of parameter setting with fixed or no decimal point 31 8 4 4 Example of parameter setting with non fixed decimal point 32 8 4 5 Example of mixed alpha numeric parameter setting 35 9 Major function 36 9 1 Zero check and zero adjustment 36 9 2 Clearing accumulation and report clearing 38 9 3 Report query 39 10 Parameter list 48 ...

Страница 4: ...nge of product specification structure or operating parts does not affect the operation and performance the user manual will not be revised accordingly 1 1 Safety tips The installation and wiring of flow sensor and temperature sensor must be completed by professional technicians all wiring terminals and connecting wires of the instrument must be plugged in and out after power failure when measurin...

Страница 5: ...ge is caused during transportation please pay special attention to the lining and shell please contact our company 2 Nameplate Check whether the product conforms to the ordering requirements according to the nameplate contents see the instructions in 4 5 Fel Hittar inte referenskälla 3 Attachment Check whether the accessories in the packing box are complete according to the packing list 2 2 Storag...

Страница 6: ...low sensor Figure 3 1 system diagram31 Users can operate by pressing keys and remote control by Bluetooth Set the heat meter to different working modes for heat metering by using the mobile phone with Bluetooth chip and corresponding APP or the upper computer modbus bacnet protocol Figure 3 2 system function block diagram32 3 2 Product features Unimpeded detection the pipeline is unobstructed will...

Страница 7: ...ion and anti static interference the surge protection of power line meets class A at 2KV Electrostatic interference meets class a requirements when contacting 6kV and gap 8Kv Complete reporting functions support 1200 hours of time reports 365 days of daily reports 36 months of monthly reports 15 years of annual reports 100 power on and power off records and 100 error report records 3 3 Working pri...

Страница 8: ...ooling Not calculate cooling when Tr 18 Ts Tr Heating Not calculate heat when Tr 30 4 Technical parameter 4 1 Basic parameters 1 Measuring medium central air conditioning water primary and secondary network hot water of heat exchange station industrial refrigerant etc 2 Measurable flow rate range 0 12m S 3 The accuracy of flow measurement is level 0 5 4 2 Converter 4 2 1 Input output signal parame...

Страница 9: ...tem Measuring range When the medium is water the range is 0 130 When the medium is other the range is 30 175 Temperature difference range 3 70 K 4 2 2 Display 1 128 x 64 full dot matrix LCD display 2 Language English 3 Display units instantaneous flow cumulative flow power cumulative heat 4 2 3 Power supply DC 18 36V AC 100 240V 48 62Hz 4 2 4 Ambient temperature 10 60 when AC power supply 10 50 DC...

Страница 10: ... 1 1 4 152 289 DN40 100 227 G 2 R 1 1 2 162 299 4 3 1 3 Electrode material Stainless steel 316L 4 3 1 4 Lining material PU FEP 4 3 1 5 Medium temperature It is related to the temperature resistance of lining materials See Appendix B lining material performance table Fel Hittar inte referenskälla 4 3 1 6 Withstand voltage level 1 6MPa 4 3 2 Degree of protection IP65 IP67 IP68 4 3 3 Junction box Cab...

Страница 11: ...le length 3m 5m 10m for optional customized 5 Installation important 1 Sufficient operating space shall be reserved at the installation position of the instrument to facilitate overhaul and maintenance 2 Avoid places that are prone to lightning strikes or may be flooded and sprayed by rainwater 3 Avoid being installed in an environment that is overheated exposed to direct sunlight and prone to cor...

Страница 12: ...elbow full open gate valve or ball valve 5 2 1 2 When there are spoiler components half open valve regulating valve stop valve etc upstream the length of the straight pipe should be extended 5 2 1 3 When the reducer with a taper of less than 15 is installed on the upstream and downstream sides of the measurement it can be regarded as a straight pipe 5 2 2 The sensor shall be installed in the pipe ...

Страница 13: ... bubbles enter the sensor measuring tube the flow display will be affected and measurement errors will occur Bubbles are easily generated downstream of the regulating valve The pipe with the outlet facing downward is easy to accumulate bubbles at the highest point In the downward pipeline longer than 5 meters cavitation occurs due to the pressure drop of the system so it is necessary to install a ...

Страница 14: ...he flow sensor If it is necessary to inject from the upstream side a sufficient distance more than 50D should be ensured to ensure that the fluid and the injected material are fully mixed 5 2 5 The pipe section near the upstream side of the sensor is not allowed to have projections 5 2 6 The flow sensor is not allowed to be installed in the negative pressure pipeline such as the suction side of th...

Страница 15: ...g Attention Pipes that are not centered or inclined will cause leakage or damage to the lining 5 4 3 flow direction The arrow direction of the instrument flow direction sign should be consistent with the medium flow direction notes For instrument operation or data observation the direction of the converter can be changed Remove the four fastening screws at the bottom of the converter housing The c...

Страница 16: ...nd the bubbles released from the medium will cause the electrode to be insulated from the medium for a short time thus making the measurement result wrong 5 5 Converter split installation The installation position of the converter should be as far away from the high power motor or frequency converter as possible ...

Страница 17: ...all hanging is installed enough length of cable shall be reserved 6 Grounding The instrument housing and the medium must be grounded together Figure 6 1 Schematic diagram of instrument grounding61 6 1 Metal pipe Connect the grounding of the instrument shell with the pipe flange by wire Figure 6 2 Schematic diagram of metal pipeline instrument grounding62 ...

Страница 18: ...per wire for the power supply and output signal of the heat meter 7 1 1Power cable In order to ensure the sealing of the instrument access hole a circular three core multi strand sheathed cable with an outer diameter of 6 10mm shall be selected and the cross sectional area of each core shall be 1 0 1 5mm2 Cables with a rated temperature of 80 should be used in ambient temperatures above 60 If the ...

Страница 19: ... diameter of 3 5mm with a copper core cross sectional area of 0 5 1 5mm2 If ambient noise and crosstalk will adversely affect the signal please use RVVP shielded cable 7 1 3 Temperature sensor signal cable The signal cable of temperature sensor shall be a round multi strand sheathed cable with an outer diameter of 3 5mm and the cross sectional area of copper core is 0 2 0 3mm2 7 1 4 Special signal...

Страница 20: ...e sealed cable threading applicable wire diameter 6 10mm 72 7 2 2 Use conduit correctly In order to protect cables and prevent electrical noise interference it is recommended to use conduit to lay cables and construct according to the following requirements 1 Power cables and output signal cables are not allowed to share conduit nor are they allowed to share conduit with excitation cables and sign...

Страница 21: ... order to prevent instrument damage caused by condensation do not connect cables outdoors in rainy days The unused cable access hole is not allowed to remove the sealing cover The cable sheath shall enter the instrument housing completely and moderately 7 3 1 Terminal block The connection terminals of the converter are plug in type First connect the wire head to the plug and tighten it After check...

Страница 22: ...Terminal symbols meaning I Current output positive Ⅰ Output public P Frequency output positive S 485 communication ground R 485 communication positive R 485 communication negative Table 7 4 temperature sensor terminal description74 Four wire terminal Two wire terminal Terminal symbols meaning Terminal symbols meaning TS Water supply end temperature sensor TS Water supply end temperature sensor Tr ...

Страница 23: ...verter and sensor split heat meter important The connection terminals of the converter are plug in type First connect the wire head to the plug and tighten it After checking it insert the plug into the corresponding terminal base ...

Страница 24: ...ll not be greater than 30 V and the current shall not be greater than 0 2 a to prevent damage to the instrument when the input filter constant of the electronic counter is larger than the pulse width it will cause inaccurate counting so try to increase the set value of the pulse width if the input impedance of the electronic counter is large the induced noise of the power supply will cause countin...

Страница 25: ...22 7 3 4 3 RS485 output 7 3 4 4 Temperature sensor wiring Two wire temperature sensor wiring Four wire temperature sensor wiring ...

Страница 26: ...ectional area of the wire should be greater than 2mm2 and the grounding resistance should be less than 10 Ω Connection warning When connecting the power cable the following points must be observed check whether the power supply meets the instrument requirements ensure that the power supply is disconnected before wiring the power supply shall be connected to the instrument through an external fuse ...

Страница 27: ...nction 2 Click the down key Switch measurement interface Switch numbers decimal points parameter options or switch menu items Switch numbers options 3 Click the move left key Switch the cumulative measurement content in the measurement interface Confirm parameter modification or return to the upper menu Previous Menu 4 Long press the down key Enter the advanced setting mode See Appendix D for deta...

Страница 28: ...99999 kW 41043 40kWh 2020 01 01 19 04 15 Supply T 26 59 Return T 4 54 Δ Th 22 05 time flow number Accumulation sign unit Accumulation number warning date year month day time Power sign power accumulation unit Accumulation power warning date year month day time warning Temp difference unit Reverse water temp unit Supply water temp unit Supply water temp Reverse water temp Temp difference date year ...

Страница 29: ... difference th water supply temperature return water temperature TC return water temperature water supply temperature see Appendix E for terms and terms Fel Hittar inte referenskälla Alarm prompt When the system alarms it will flash Total alarm code the sum of all alarm codes Note that the alarm codes are hexadecimal Alarm item the code and content corresponding to the alarm item Table 8 2 list of...

Страница 30: ...e advanced setting state Non manufacturer personnel are not allowed to enter the advanced setting state Modifying the parameters may cause the calorimeter to fail to work normally Fel Hittar inte referenskälla Figure 8 8 new menu of heat measurement mode in advanced setting state87 See 10 Parameter list for specific menu settings 8 4 Operation examples The parameter settings of this product are di...

Страница 31: ...9 Click the key to select the menu you want to enter Basic query and calibration do not need a password to enter Figure 8 11 select system menu10 Click the key to enter the password input interface Figure 8 12 password input interface811 The position of the anti black display is the selected number Click the key to change the selected position 2020 01 01 19 04 15 Flow 99999 m3 h 41043 40m3 ...

Страница 32: ... correct password click the key to confirm the input and enter the menu Figure 8 15 entering the system menu 8 4 2 Enumeration type parameter setting example Take basic pv units as an example click on any measurement interface enter the menu selection interface and select the basic menu Figure 8 16 selecting the basic menu814 Click to enter the basic menu ...

Страница 33: ... interface Figure 8 18 PV units setting interface816 Click to change the options Figure 8 19 change options Click to jump out of the confirmation screen Figure 8 20 confirmation screen817 Click again to confirm the modification and exit or click cancel the modification and exit ...

Страница 34: ...enu Figure 8 22 select system menu818 Click enter the password to enter the system menu click and select signal Figure 8 23 entering the system menu819 Click to enter the signal submenu click to select low cutoff Figure 8 24 entering the signal submenu820 Click to enter the low cutoff setting interface Figure 8 25low cutoff setting interface The position of the anti black display is the selected n...

Страница 35: ...screen Figure 8 28 confirmation screen823 Click again to confirm the modification and exit or click cancel the modification and exit Figure 8 29 exit to signal menu 8 4 4 Example of parameter setting with non fixed decimal point Take system signal qmax as an example click in any measurement interface to enter the menu selection interface and click to select the system menu ...

Страница 36: ...e 8 31 entering the system menu825 Click to enter the signal submenu and select Qmax Figure 8 32 entering the signal submenu826 Click to enter the Qmax setting interface Figure 8 33low cutoff setting interface The position of the anti black display is the selected number Click the key to change the selected position ...

Страница 37: ...the decimal point Figure 8 36 select decimal point829 Click to change the decimal point position Figure 8 37 changing the decimal point position Modify the setting value to make it within the limit range of Max and min and click to jump out of the confirmation screen Figure 8 38 confirmation screen830 Click again to confirm the modification and exit or click cancel the modification and exit ...

Страница 38: ... click to select the detail menu Figure 8 40 select the detail menu831 Click enter the password to enter the detail menu and click to select Bluetooth name Figure 8 41 select Bluetooth name832 Click to enter the Bluetooth name setting interface Figure 8 42 Bluetooth name setting interface833 The position of the anti black display is the selected number or letter Click the key to change the selecte...

Страница 39: ...tion screen Figure 8 45 confirmation screen835 Click again to confirm the modification and exit or click cancel the modification and exit Figure 8 46 exit to the detail menu 9 Major function 9 1 Zero check and zero adjustment 9 1 1 Zero point check and meaning of zero adjustment The electromotive force signal value when the pipe where the measuring tube is located is filled with medium and static ...

Страница 40: ...ation formula terms and terms Fel Hittar inte referenskälla 1 1 If the fluctuation range of flow rate exceeds 0 02m s the possible reasons are 1 There is air in the pipe or bubbles pass through the measuring pipe 2 Medium conductivity is less than 10μS cm 3 The instrument is not properly grounded 4 Improper cable laying 5 The medium corrodes the electrode material 6 Sensor failure Please eliminate...

Страница 41: ...f zero adjustment the zero adjustment value is displayed in the middle of the screen Figure 9 4 zero adjustment process interface94 Return after zero adjustment Calibration menu 9 1 3 Zero adjustment quick operation Press and in the measurement interface release them at the same time and quickly enter the zero setting confirmation interface 9 2 Clearing accumulation and report clearing Enter the d...

Страница 42: ...d query Figure 9 8 real time recording interface98 Press the key to select the selected item and the selected item will be displayed in the anti black form Press the key to modify Real time recording items options include instantaneous flow power inlet temperature temp in outlet temperature temp out and temperature difference temp diff Unit switch the unit of display data Data time content display...

Страница 43: ...ulative value fwdFlowAcc_Monthly reverse monthly cumulative value revFlowAcc_Monthly positive annual cumulative value fwdFlowAcc_Yearly reverse annual cumulative value revFlowAcc_Yearly Unit switch the unit of display data Data time content display the instantaneous value per hour Date each number can be selected separately and modified to query reports of different dates Data time switching press...

Страница 44: ...l query Figure 9 11 extreme value statistics query interface911 Press the key to select the selected item and the selected item will be displayed in the anti black form Press the key to modify Extreme value statistical items the options are daily extreme value statistics day monthly extreme value statistics month and annual extreme value statistics year Date each number can be selected separately ...

Страница 45: ...he use of ATC sensitivity When it is impossible to calibrate the empty pipe the sensitivity of the empty pipe can be modified to adjust the ability of the instrument to detect the empty pipe The higher the sensitivity of ATC the easier it is to be judged as ATC When there is air in the pipe it is necessary to set the sensitivity higher When the sensitivity of empty pipe is 0 turn off the empty pip...

Страница 46: ... Protocol Communication protocol MODBUS BACNET MODBUS Baud rate Baud rate 1200 2400 4800 9600 19200 38400 9600 Data Bit Data bit 8 8 Fixed to 8 Parity Check bit None Odd Even None Stop Bit Stop bit 1 2 1 Select 1 or 2 for no check and 1 for odd even check Dev Address Device address 1 247 1 Decimal number 9 5 2 Modbus communication parameters Table 9 2modbus communication parameters type read write...

Страница 47: ... mode alarm codes 0x0504 0x0001 ulong 0x03 Positive cumulative flow high level Fixed unit L 0x0201 0x0002 ulong 0x03 Low level of positive cumulative flow Fixed unit L 0x0203 0x0002 ulong 0x03 Accumulated heat high level Fixed unit wh 0x0205 0x0002 ulong 0x03 Accumulated heat low level Fixed unit wh 0x0207 0x0002 ulong 0x03 Daily accumulated heat Fixed unit wh 0x0209 0x0002 ulong 0x03 Monthly accu...

Страница 48: ...nication example Example 1 read the instantaneous flow value Set the Modbus address as 1 check the communication parameter table and the data address of the instantaneous flow value is 0x0401 the length is 0x0002 and the data type is float Send the command as follows Table 9 3 example of sending data Format meaning send content Modbus address 01 Function code 03 Data address 0400 length 0002 Check...

Страница 49: ...0x0002 and the data type is long Send the command as follows Table 9 7 example of reading low order transmission data Format meaning send content Modbus address 01 Function code 03 Data address 0202 length 0002 Check code 6473 Received the following Table 9 8 example of reading low order received data Format meaning Receive content Modbus address 01 Function 03 Data length 04 Data content 4F CA 35...

Страница 50: ... h AI 1 Power Power in kw AI 2 Inlet temp Inlet water temperature unit AI 3 Exit temp Outlet water temperature unit AI 4 Diff temp Temperature difference in AI 5 FFAH High level of cumulative value of positive flow unit l AI 6 FFAL Low level of cumulative value of positive flow unit l AI 7 RFAH High level of cumulative value of reverse flow unit l AI 8 RFAL Low level of cumulative value of reverse...

Страница 51: ...15 temperature units Temp Unit BACNET Enum 62 10 Parameter list 10 1 Basic basic parameter setting item Table 10 1Basic basic parameters setting items Set item Description Options value range Default value explain PV Units Flow unit m3 s m3 m m3 h L s L m L h m3 h The instantaneous flow data is displayed after conversion according to this configuration Flow decimals Flow decimal point 1 2 3 3 The ...

Страница 52: ...nteger digit will be displayed f and the decimal digits will reduced accordingly Power Units Power unit kW MW kJ h MJ h GJ h cal h kcal h Mcal h KW The power data is displayed a conversion according to configuration Power decimals Power decimal point 1 2 3 3 The decimal digits of the po data value are displayed accord to this configuration but if integer digit is too long the inte digit will be di...

Страница 53: ...invalid The decimal point can be set by pressing Liter Pulse Pulse equivalent 0 999999 Change according to caliber setting Val Pulse Energy pulse equivalent 0 999999 Change according to caliber setting Pulse Width ms Pulse width MS 200 100 50 20 10 50 100 The inappropriate pulse width setting is automatically adjusted to 50 Communicatio n Communicat ion output See 9 5rs485 communication function M...

Страница 54: ...rdware needs to confirm that the input pulse output interface function is in the pulse output state 10 6 Calibration Table 10 5 calibration Set item Description Options value range Default value explain Zero Trim Zero calibration The zeroing process lasts about 30 seconds Output Trim Output calibration 4mA Trim 4mA calibration 3 5 4 The hardware needs to confirm that the output interface function ...

Страница 55: ...splayed on the sensor nameplate Zero K mV Zero correction factor MV 29 999 29 999 Calibrated before delivery The zero point is compensated and the converter calculates the actual zero point according to the sensor zero point and the zero compensation value Coil Freq Hz Excitation frequency Hz 2 3 125 6 25 6 25 According to the performance adjustment of the sensor the excitation frequency should be...

Страница 56: ...corresponding temperature calibration Tin Revise Temperature compensation 3 0 3 0 0 Compensate the water supply temperature Tout Revise Temperature return compensation 3 0 3 0 0 Compensate the return water temperature Manual Adjust Calibration parameters Actual Zero mV Zero calibration value MV 99 99 99 99 0 When the sensor is full the zero point obtained by adjusting the zero point in the static ...

Страница 57: ...quantity calculation Coil Test Excitation test OFF X Y Y X The default is off X y and y x are generally used to measure the excitation current Trim Value Calibration value Output 4mA Value Output 4mA current calibration value Used to calibrate 4mA current output After entering the menu the current port will output 4mA current At this time input the actual output current value to automatically cali...

Страница 58: ...resistance Tout 1500 Value TR 1500 calibration value Used to calibrate the temperature return 1500 Ω resistance Connect the standard 1500 Ω resistance to the temperature return port and set the actual displayed temperature to automatically calibrate the input value of the 1500 Ω temperature return resistance Function Instrument function FLOW POWER Used to set the current instrument mode Reset Pass...

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