SGM LEKTRA RPmag Technical Documentation Manual
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SGM LEKTRA RPmag Technical Documentation Manual

Electromagnetic induction flow measurement
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RPmag
electromagnetic induction fl ow measurement
technical documentation EN Rev. A

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  • Page 1 RPmag electromagnetic induction fl ow measurement technical documentation EN Rev. A...

  • Page 2: Table Of Contents

    RPmag - contents CONTENTS 1-WARRANTY pag. 3 2-CALIBRATION CERTIFICATE pag. 3 3-PRODUCT pag. 4 4-PERFORMANCE SPECIFICATIONS pag. 5 5-FLOW RANGE pag. 6 6-DIMENSION pag. 8 7-INSTALLATION pag. 13 8-ELECTRICAL CONNECTIONS pag. 21 9-LOCAL OPERATOR INTERFACE (LOI) pag. 29 10-PROGRAMMING pag. 32 11-TROUBLESHOOTING pag.

  • Page 3: 1-Warranty

    RPmag - warranty / calibration certifi cate 1-WARRANTY Products supplied by SGM LEKTRA are guaranteed for a period of 12 (twelve) months from delivery date according to the conditions specifi ed in our sale conditions document. SGM LEKTRA can choose to repair or replace the Product.

  • Page 4: 3-Product

    RPmag - features 3- PRODUCT COMPACT VERSION REMOTE VERSION 1. Sensor 1. Sensor 2. Converter 2. Connection housing 3. Connection cables 4. Converter, wall mouting IDENTIFICATION Each meter has an adhesive identifi cation plate on which are the meter main data. The following picture describes the information and data on the identifi...
  • Page 5 RPmag - features 4-FEATURES Flow rate range RPmag is able to process signals from fl uids with fl ow rates of up to 10m / s in both directions (bidirectional meter). Range dimension / lining material PTFE DN10 ÷ DN500 RUBBER DN65 ÷...

  • Page 6: 5-Flow Range

    RPmag - fl ow range 5-FLOW RANGE 5.1 FLOW RANGE GRAPHIC Flow range from DN3 to DN500 (starting from DN10) Flow range from DN600 to DN2000 Page 6 of 52 www.sgm-lektra.com...
  • Page 7 RPmag - fl ow range 5.2 FLOW RANGE TABLES DN10 ÷ 300 DN350 ÷ 2000 Range: Minimum (0,5 m/s) / Range: Minimum (0,5 m/s) / (mm) Maximum (10 m/s) (mm) Maximum (10 m/s) 0.14 ÷ 2.9 m3/h 180 ÷ 3300 m3/h 0.3 ÷...
  • Page 8 RPmag - dimensions 6-DIMENSIONS 6.1 REMOTE VERSION CONVERTER 177 mm 170 mm 6.2 WALL MOUNTING REMOTE VERSION CONVERTER 110 mm Page 8 of 52 www.sgm-lektra.com...
  • Page 9 RPmag - dimensions 6.3 COMPACT VERSION DN10 ÷ DN80 PN16 - PN40 Ø D PN 16 - PN 40 ØD (mm) (mm) (mm) (mm) Page 9 of 52 www.sgm-lektra.eu...
  • Page 10 RPmag - dimensions 6.3 COMPACT VERSION DN100 ÷ DN1000 PN10 - PN16 - PN40 Ø D PN 10 PN 16 PN 40 ØD ØD ØD (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 1050 1080 1165 1015 1170 1025 1270...
  • Page 11 RPmag - dimensions 6.4 REMOTE VERSION DN10 ÷ DN25 PN16 - PN40 Ø D PN 16 - PN 40 ØD (mm) (mm) (mm) (mm) Page 11 of 52 www.sgm-lektra.eu...
  • Page 12 RPmag - dimensions 6.5 REMOTE VERSION DN32 ÷ DN1000 PN10 - PN16 - PN40 Ø D PN 10 PN 16 PN 40 ØD ØD ØD (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 1100 1015 1105 1025 1202 1115 1207...

  • Page 13: 7-Installation

    7.3.1 Identify Options and Confi gurations Standard application of the RPmag includes control of the sensor pipe coils and one or more of the following con fi gurations or options: - 4÷20mA output...
  • Page 14 RPmag - installation INSTALLATION GENERAL CRITERIA The fl owmeter can test automatically fl ow direction. Because the direction arrow marked on the nameplate is fl ow di- rection when calibrated in factory, you should install the fl owmeter to make the actual fl ow direction same as the fl ow direction arrow marked on the nameplate.
  • Page 15 RPmag - installation The electromagnetic fl owmeter must be installed so that the pipe is always completely fi lled with fl uid. In partially fi lled pipe case, the fl owmeter must be installed with the siphon phenomenon, for which the pipe stretch where the meter is installed is kept always full.
  • Page 16 RPmag - installation The electromagnetic fl owmeter can not be installed at the pipe highest point, because air or gas accumulations may occur in the measuring pipe. See Fig.15-A Fig.15-A Installation at highest point The electromagnetic fl owmeter can not be installed upstream of a pump to prevent cavitation, which can damage the sensor lining.
  • Page 17 RPmag - installation INSTALLATION PRECAUTIONS An all-weather cover should be used to prevent the housing from the direct sunlight or rain when the device in outdoors The fl owmeter should the excessive vibrations, large ambient temperature changing and long-time shower. It should be prevent from the leakage of the corrosive liquid.
  • Page 18 RPmag - installation MOUNTING REQUIREMENTS a) The sensor pipe and the line pipes must have the same axis. For the sensors under DN50, the axial diff erence between the measuring tube and operating pipe should be less than 1.5mm; for the sensors from DN65 to DN300, it should be less than 2mm;...
  • Page 19 RPmag - installation 7.10 EQUIPOTENTIALITY AND ELECTRICAL INTERFERENCE REDUCTION The measuring circuit considers the measured fl uid as zero potential. The measured fl uid is grounding potential in most of application, therefore grounding connection actually means connecting to measured fl uid. The grounding cable for sensor is connected to metal pipe welding with fl...
  • Page 20 RPmag - installation c) Some systems, such as pipes with cathodic protection, may be aff ected by potential disturbance because not all the line is at ground potential. In order to eliminate this type of interference, it must be isolate the line with two rubber pipes as shown in Fig.19A.

  • Page 21: 8-Electrical Connections

    8.2.1 Power supply voltage RPmag transmitter is designed to be powered with 85 ÷ 265Vac (50 to 60 Hz), 24Vdc, 12Vdc voltage. 8.2.2 Power supply voltage interruption Power supply wires must be connected to the device via a circuit breaker or an external disconnecting switch.
  • Page 22 Follow the below steps to connect the signal cable to the transmitter: 1) Insert the signal cable through the cable gland. 2) Connect the two wires to I+ and I- terminals The below drawing shows the connection diagram between the RPMAG fl owmeter and SLM2XH3 fl ow totalizer unit. Connection example...
  • Page 23 2) Connect two wires to P+ and P- terminals N.B. - When the RPmag pulse output is connected to an acquisition system that requires a current higher than 2,3mA, a properly sized pull-up resistor must be connected to ensure the minimum current required by the acqui- sition system connected (see drawing below);...
  • Page 24 1) Insert the signal cable through cable gland. 2) Connect two wires to D01, for the #1 alarm threshold, and D02 terminals for #2 alarm threshold. The below drawing shows the connection diagram between the RPMAG fl owmeter and the 199-B2X multifunction counter unit.
  • Page 25 Communicate via MODBUS is possible in models with RS485 serial port. Connect the serial cable to RS+ and RS- terminals The below drawing shows connection example diagram between RPMAG fl owmeter and a PC. Connection example to Page 25 of 52...
  • Page 26 RPmag - electrical connections - remote version REMOTE VERSION During the remote version installation comply with the following information to ensure correct measurements: 1) The cables must be laid in an armored conduit or fi xed along their path to avoid errors in measurement, especially with low conductivity fl...
  • Page 27 RPmag - electrical connections - remote version 8.5.1 Remote version wiring Cable Wire Function Terminal position Num. Color black coil Bipolar brown coil braid shield white electrode 1 yell./green common GND Tripolar brown electrode 2 braid shield SHIELDED TRIPOLAR CABLE SHIELDED BIPOLAR CABLE 8.5.2 Connecting cables length...
  • Page 28 RPmag - electrical connections - remote version 8.5.3 Connectiong cables 8.5.3.1 - Coil cable technical specifi cation Shielded bipolar cable FR20H2R 2x1.5 section Conductors Tinned copper stranded wire, class 5 Insulations PVC R2 Ø 2,8mm ± 0,1 Conductors Colors Black - Brown...

  • Page 29: 9-Local Operator Interface (Loi)

    RPmag - loi 9-LOCAL OPERATOR INTERFACE (LOI) LOI is an operator communications center for the RPmag. Through the LOI, the operator can access any transmitter function for changing confi guration parameter settings, checking totalized values, or other functions. 9.1 SAFETY MESSAGES Instructions and procedures in this section may require special precautions to ensure the safety of the personnel per- forming the operations.
  • Page 30 RPmag - loi DISPLAY ROTATION Each magnetic fl owmeter installation is diff erent from application to application; therefore, the display can be rotated to accommodate various setup using the following procedure: Disconnect power supply from transmitter . 2. Unscrew the transparent cover.
  • Page 31 RPmag - loi CONVERTER ROTATION To a greater functionality and adaptation to the application the entire converter, in addition to the display, can be rotated. Follow the following steps to make the change. Disconnect the power supply voltage . 1. Remove the four screws that secure the converter to the sensor pipe.

  • Page 32: 10-Programming

    ) or decrease (by pres- sing ) the LCD screen contrast according to your needs. 10.3 DISPLAY PAGE The RPmag, in RUN mode, has three pages to display data and status, press to change page. This page will not appear if there is no...
  • Page 33 RPmag - programming - basic setup 10.4 LOI MENU Push key from run mode: display will show the list of confi guration menu as shown Basic here next. System Calibration Press keys to select the desired menu, then press key to access.
  • Page 34 RPmag - programming - basic setup 10.4.2.3 - Total Units PV Units Total Units specifi es the counter display unit PV Decimal Default: m3 Total Units Range: L, Litri; m3, Metri cubi; G, galloni Total Decimal Total Units Press the key: the display will be as shown here next.
  • Page 35 RPmag - programming - system setup 10.4.3 SYSTEM SETUP SYSTEM Language ITALIANO / ENGLISH Q max (m3/h) (according to DN) Low Cutoff % Max Limit % Signal Limit Time (s) Direction Bid./Fwd/Reverse Indication FORWARD / REVERSE Density(g/ml) 1.000 Freq Max (Hz) 1000.0...
  • Page 36 RPmag - programming - system setup 10.4.4 SYSTEM CONFIGURATION (SYSTEM) Basic System Press the key from run mode, then press the key to select “System” and press Calibration button to enter. Press the keys to select the desired function and...

  • Page 37: Default: M3

    RPmag - programming - system setup 10.4.4.2.2 - LowCutoff % Qmax (m3/h) Low Cutoff specifi es the Qmax% value below which the instantaneous fl ow measure- Low Cutoff % ment reading (direct or reverse) and the outputs are forced to zero.

  • Page 38: With Or Change The Digit, With Moves The Cursor

    RPmag - programming - system setup 10.4.4.2.5 - Direction Low Cutoff % This parameter enables the fl ow direction measurement Max limit % Default: Bid (bidirectional) Limit Time (s) Range: Fwd (forward); Rev (reverse); Bid. (bidirectional) Direction Press the key: the display will be as shown here next.

  • Page 39: Delete The Selection

    RPmag - programming - system setup 10.4.4.3 - Pulse Output Language Press the key to enter the sub menu “Pulse Output”. Signal Pulse Output RS485 Output 10.4.4.3.1 - Freq Max (Hz) Freq Max (Hz) Sets the maximum frequency in relation to Qmax. The digital output is active as a fre- Liter / pulse quency output only when the parameter “Liter / Pulse”...

  • Page 40: Ent Esc

    RPmag - programming - system setup 10.4.4.3.4 - Pulse Level Freq Max (Hz) Sets the pulse output energy level. When set LOW the pulse count is low, when set HIGH, Liter / pulse the pulse count is high. PulseWidth (ms) Default: Active H (HIGH);...
  • Page 41 RPmag - programming - system setup 10.4.4.4.3 - Data Bit RS Protocol Sets the RS485 output Data Bit. Baud Rate Default 8 Data Bit Range: 8 - 7 Parity Press key: the display will be as shown here next. Data Bit With select the parameter setting.
  • Page 42 RPmag - programming - system setup 10.4.4.4.6 - Dev Address Data Bit Set the unity UID in RS485 network Parity Default: 001 Stop Bit Range: 001÷999 Dev Address Press the key: the display will be as shown here next. Dev Address...
  • Page 43 RPmag - programming - system setup 10.4.4.5.3 - REV Preset (m3) Predetermines the negative totalizer value Clear Total Default: 0000000000 FWD Preset (m3) REV Preset (m3) Range: 1÷9999999999 Press the key: the display will be as shown here next. REV Preset (m3) 000.000000...
  • Page 44 RPmag - programming - system setup 10.4.4.7.2 - Switch2 Confi g Switch1 Config Sets the function assigned to the D02 relay. The available functions are: Switch2 Config - Direction; the negative instantaneous fl ow measuring signaling is enabled. Switch1 Select When the instantaneous fl...
  • Page 45 RPmag - programming - system setup 10.4.4.7.4 - UpAlm Val %FS Switch1 Config Set the high fl ow rate alarm threshold; the value is expressed in% of Qmax. Switch2 Config Ex .: with Qmax (see par. 10.4.4.2.1) to 250m3/h, and with the threshold set at Switch1 Select 70%, the alarm is activated when the measured fl...
  • Page 46 RPmag - programming - calibration 10.4.5 CALIBRATION No / Yes CALIBRATION Zero Trim Empty Trim No / Yes Tube Trim Full Trim No / Yes Tube Region% 00.0 4mA Trim 04.000 Loop Trim 20mA Trim 20.000 K Character 1.000000 1.000000 10.4.6 SYSTEM CALIBRATION (CALIBRATION)
  • Page 47 RPmag - programming - calibration 10.4.6.2.2 - Full Trim Empty Trim ATTENTION: pipe must be full before continue Full Trim Performs a full pipe recognition self calibration. Tube Region % Default: NO Range: NO - YES Press key: the display will be as shown here next.
  • Page 48 RPmag - programming - calibration 10.4.6.3.2 - 20mA Trim Performs calibration of 20mA. Procedure: connect to analog output terminals a milli- 4mA Trim ammeter; insert the detected current measurement; the system will perform an auto 20mA Trim calibration function. Default: 20.000. Range: 19.000÷21.000...
  • Page 49 RPmag - programming - test 10.4.7 TEST Loop Test TEST Pulse Test 1000.0 1.000 10.4.8 OUTPUT SIGNAL TEST (TEST) Basic System Premere il tasto dalla modalità run, poi premere il tasto per selezionare Calibration “Test”, quindi premere il tasto per accedervi.

  • Page 50: 11-Troubleshooting

    RPmag - troubleshooting 11-TROUBLESHOOTING Problems in the magnetic fl owmeter system are usually indicated by incorrect output readings from the system, error messages, or failed tests. Consider all sources when identifying a problem in your system.. Symptom Potential Cause Corrective Action Check power source and connections to No power to transmitter.
  • Page 51 RPmag - troubleshooting In some circumstances, process conditions themselves can cause the meter output to be unstable. The basic procedure for addressing a noisy process situation is outlined below. Complete them in order. When the output attains the desired stability, no further steps are required: Change coil drive to 33 Hz.

  • Page 52: 12-Factory Test And Quality Certificate

    Documentation subject to technical change with no prior warning 12-FACTORY TEST AND QUALITY CERTIFICATE In conformity to the company and check procedures I certify that the equipment: (Electromagnetic induction fl ow measurement) is conform to the technical requirements on Technical Data and it is made in conformity to the procedure Quality Control Manager: ............

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