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WAGO-I/O-SYSTEM 750 

Function Description 

43 

750-493 3-Phase Power Measurement Module 

 

 

Manual 

 

Version 1.2.0  

 

B. User Scaling ON, Measurement with Current Transformer 

Current 

750-493 

750-493/000-001 

Register 32, bit 0 

1 

1 

Register 37 (D-CTR)  0x002D   (45) 

0x0028   (40) 

Process value 

0x96A1  (38561) 

0x60FB  (24827) 

Scaling factor PI 

0.001 A / LSB   

0.005 A / LSB   

Equation 

Measured value = Process value x Scaling factor PI

 

Measured value 

38.561 A 

124.135 A 

 

Active Power 

750-493 

750-493/000-001 

Register 32, bit 0 

1 

1 

Register 37 (D-CTR)  0x002D   (45) 

0x0028   (40) 

Process value 

0x22A5  (8869) 

0x1648  (5704) 

Scaling factor PI 

0.1 W / LSB   

0.5 W / LSB   

Equation 

Measured value = Process value x Scaling factor PI 

Measured value 

886.9 W 

2852.0 W 

 

Active Energy 

750-493 

750-493/000-001 

Register 32, bit 0 

1 

1 

Register 37 (D-CTR)  0x002D   (45) 

0x0028   (40) 

Register 35* 

2 

4 

Process value 

0x0D86   (3462) 

0x2CA3   (11427) 

Scaling factor PI 

0.1 Wh / LSB 

50 Wh / LSB 

Equation 

Measured value = Process value x Scaling factor PI 

Measured value 

346.2 Wh 

571350 Wh 

* Register 35: Setting in the register defines the scaling factor PI for energy values 

 

C. User Scaling OFF, Measurement with Current Transformer 500:1 A  

(1A Variants) and 500:5 A (5A Variants) 

D-CTR values of 500 or 100 must be taken into account externally when user 

scaling is OFF, i.e. the transferred measured value must be multiplied by 500 or 

100 in the high-level PLC. 

Current 

750-493 

750-493/000-001 

Register 32, bit 0 

0 

0 

Register 37 (D-CTR)  0x0001   (1) 

0x0001   (1) 

Process value 

0x01A9  (425) 

0x033D  (829) 

Scaling factor PI 

0.001 A / LSB   

0.005 A / LSB   

Equation 

Measured value = Process value x Scaling factor PI 

x  D-CTR

 

Measured value 

212.5 A 

414.5 A 

Note: Resolution of the current values in 500mA steps  

 

 

 

Содержание I/O-SYSTEM 750

Страница 1: ...85229289866_0 docx 64941 1 WAGO I O SYSTEM 750 Manual 750 493 xxx xxx 3 Phase Power Measurement Module Version 1 2 0 Pos 3 Alle Serien Allgemeine M odul e Hinweise zur Dokumentation Impressum f r Stan...

Страница 2: ...49 0 571 8 87 85 55 E Mail support wago com Every conceivable measure has been taken to ensure the accuracy and completeness of this documentation However as errors can never be fully excluded we alwa...

Страница 3: ...13 3 Device Description 15 3 1 View 16 3 2 Connectors 17 3 2 1 Data Contacts Internal Bus 17 3 2 2 Power Jumper Contacts Field Supply 17 3 2 3 CAGE CLAMP Connectors 18 3 3 Display Elements 19 3 4 Oper...

Страница 4: ...CHECK 58 8 1 1 Application Tab 61 8 1 2 Phase L1 Phase L2 Phase L3 Tabs 62 8 1 3 I O Module Tab 64 8 1 4 Energy Tab 65 8 1 5 Factory Settings Tab 66 8 1 6 Register Assignment 67 8 2 Displaying the Me...

Страница 5: ...WAGO I O SYSTEM 750 Table of Contents 5 750 493 3 Phase Power Measurement Module Manual Version 1 2 0 List of Tables 95 Ende der Liste f r Textmar ke Verzeichnis_vor ne...

Страница 6: ...5A und er w Temp 025 23 mod_1433851670418_21 docx 183628 1 Table 1 Variants Item Number Description 750 493 3 Phase Power Measurement Module 1 A 750 493 000 001 3 Phase Power Measurement Module 5 A 75...

Страница 7: ...mentati on Urheberschutz ausf hrlich 4 mod_1235565145234_21 docx 27691 2 1 1 3 Copyright This Manual including all figures and illustrations is copyright protected Any further use of this Manual by th...

Страница 8: ...ll e Serien Allgemei ne Module Wichtige Erl uterungen Sicherheits und sonstige Hinweise Vorsicht Vorsicht _War nung vor Personensch den allgemein_ Erl uterung 13 mod_1343310028762_21 docx 101038 1 Per...

Страница 9: ...er Measurement Module Manual Version 1 2 0 Additional Information Refers to additional information which is not an integral part of this documentation e g the Internet Pos 16 5 Dokumentation allgemei...

Страница 10: ...ons Table 4 Font Conventions Font Type Indicates italic Names of paths and data files are marked in italic type e g C Program Files WAGO Software Menu Menu items are marked in bold letters e g Save A...

Страница 11: ...ngen Personalqualifi kationPersonalqualifi kation 750 xxxx berschrift 3 und Inhalt 3 mod_1224061208046_21 docx 24063 3 1 2 1 2 Personnel Qualifications All sequences implemented on WAGO I O SYSTEM 750...

Страница 12: ...Zustand der Ger te berschrift 3 und Inhalt 3 mod_1221060446109_21 docx 21723 3 1 2 1 4 Technical Condition of Specified Devices The devices to be supplied ex works are equipped with hardware and soft...

Страница 13: ...cal operation rooms The WAGO I O SYSTEM 750 and its components are an open system As such install the system and its components exclusively in appropriate housings cabinets or in electrical operation...

Страница 14: ...hinweise Achtung Achtung Kei n Kontaktspray verwenden 6 mod_1260181290808_21 docx 46755 1 Do not use any contact spray Do not use any contact spray The spray may impair contact area functionality in c...

Страница 15: ...its the RMS root mean square values into the process image Therefore no high computing power is required from the controller For each phase the active power P and the energy consumption W are calculat...

Страница 16: ...102153 1 Figure 1 View Pos 26 Serie 750 WAGO I O SYSTEM Ger tebeschrei bung Ansicht Ansicht C ageCl amp _Leg ende mit LED s_ohne Leistungskontakte 16 mod_1371816091053_21 docx 124052 1 Table 5 Legend...

Страница 17: ...l emmen nicht auf Goldfeder kontakte leg en 7 mod_1266318463636_21 docx 50695 1 Do not place the I O modules on the gold spring contacts Do not place the I O modules on the gold spring contacts in ord...

Страница 18: ...The 3 phase supply network and the loads are clamped here See also section Connect Devices Two connectors each form the three measuring channels L1 and IL1 voltage and current of phase L1 L2 and IL2 v...

Страница 19: ...A H are used to indicate the operating status and possible errors The meaning of these indications is listed in section Diagnostics Figure 4 LED indicators Pos 39 All e Seri en Allgemei ne Module bers...

Страница 20: ...2 1 3 5 Schematic Diagram Pos 43 Serie 750 WAGO I O SYSTEM Ger tebeschrei bung Schematische Schaltbil der Anal ogeing angskl emmen Schematisches Schaltbild 750 0493 13 mod_1348574311920_21 docx 103381...

Страница 21: ...mm Length 100 mm Weight 48 g 3 6 2 Voltage Supply Table 8 Technical Data Voltage Supply Voltage System voltage DC 5 V via internal bus Current consumption 100 mA Category of overvoltage III Rated vol...

Страница 22: ...f r alle Serien Ger tebeschreibung Anschlusstechni k berschrift 3 17 mod_1380123271324_21 docx 132788 3 1 3 6 6 Connection Type Pos 46 3 Serie 750 WAGO I O SYSTEM Ger tebeschrei bung Technische Daten...

Страница 23: ...5 C Storage temperature range for components with extended temperature range 750 xxx 025 xxx 40 C 85 C Relative humidity Max 5 95 without condensation Resistance to harmful substances Acc to IEC 60068...

Страница 24: ...ngen KC Kor ea Cer tificate AI 20 mod_1406533217893_21 docx 160376 1 Korea Certification MSIP REM W43 AIM750 Pos 54 D okumentation allgemei n Glieder ungselemente Leerzeile 3 mod_1224662755687_0 docx...

Страница 25: ...i en Allgemei ne Module N or men und Richtli nien Ex i Normen Expl osi onsf hige Atmosph re EN 60079 15 13 mod_1351072320086_21 docx 105289 1 Explosive atmosphere EN 60079 15 Equipment protection by t...

Страница 26: ...ytes S0 S2 are used for selecting process data and for setting parameters Notice that the process data image depends on the used fieldbus coupler controller Mapping the process data into the process i...

Страница 27: ...the default factory setting 1st Example Reading out the voltages rms value of phases L1 L2 and L3 Enter 0x01 process data index 1 into the control bytes C0 C1 and C2 The voltage rms value of phase L1...

Страница 28: ...x 2 into control byte C2 The current rms value of phase L2 is returned in input data word 1 D0 D1 the voltage rms value of phase L2 is returned in input data word 2 D2 D3 and the active power of phase...

Страница 29: ...0 Current rms 1 Voltage rms 2 Active power 3 Power factor 4 Active energy 5 Max current 6 Max voltage 7 Max active power 8 Frequency 9 Min current 10 Min voltage 11 Min active power 12 15 Reserved Ch...

Страница 30: ...ut using input data word 1 Channel_ ID Simple process image Always 0 With the simple process image the channel index has no significance Flexible process image Channel index for the channel from which...

Страница 31: ...1 Voltage rms 2 Active power 3 Power factor 4 Active energy 5 Max current 6 Max voltage 7 Max active power 8 Frequency 9 Min current 10 Min voltage 11 Min active power 12 15 Reserved Channel_ ID Simpl...

Страница 32: ...ut using input data word 2 Channel_ ID Simple process image Always 0 With the simple process image the channel index has no significance Flexible process image Channel index for the channel from which...

Страница 33: ...1 Voltage rms 2 Active power 3 Power factor 4 Active energy 5 Max current 6 Max voltage 7 Max active power 8 Frequency 9 Min current 10 Min voltage 11 Min active power 12 15 Reserved Channel_ ID Simpl...

Страница 34: ...s image Always 0 With the simple process image the channel index has no significance Flexible process image Channel index for the channel from which a measured value was read out using input data word...

Страница 35: ...channels have a limit frequency of 7 2 kHz The analog measured values are quantized with 24 bits and further processed digitally Acquisition and processing of the measured values of all three phases...

Страница 36: ...Value Calculation Example Not to Scale In a 50 Hz supply network the RMS value can be read with the specified measuring accuracy with every second period via the process image Therefore the default s...

Страница 37: ...Power Factor cos phi The power factor cos phi is calculated from the phase shift between current and voltage of the fundamental wave of the respective phase The I O module can be configured so that th...

Страница 38: ...erefore occurs between the current and the voltage However this does not affect the method for determining the RMS values for current and voltage previously described They can both be obtained as meas...

Страница 39: ...B 0 1V LSB Maximum RMS value voltage L3 N UInt16 0 1V LSB 0 1V LSB Minimum RMS value voltage L1 N UInt16 0 1V LSB 0 1V LSB Minimum RMS value voltage L2 N UInt16 0 1V LSB 0 1V LSB Minimum RMS value vol...

Страница 40: ...age L2 N UInt16 0 1V LSB 0 1V LSB DC voltage L3 N UInt16 0 1V LSB 0 1V LSB DC current L1 UInt16 0 001A LSB 0 005A LSB DC current L2 UInt16 0 001A LSB 0 005A LSB DC current L3 UInt16 0 001A LSB 0 005A...

Страница 41: ...O I O CHECK or via Register 32 bit 0 If the bit is set to 0 user scaling is disabled off and the transformation ratio of the current is 1 1 If the bit is set to 1 user scaling is enabled on and the tr...

Страница 42: ...50 493 000 001 Register 32 bit 0 0 0 Register 37 D CTR 0x0001 1 0x0001 1 Process value 0x01A9 425 0x033D 829 Scaling factor PI 0 001 A LSB 0 005 A LSB Equation Measured value Process value x Scaling f...

Страница 43: ...Register 32 bit 0 1 1 Register 37 D CTR 0x002D 45 0x0028 40 Register 35 2 4 Process value 0x0D86 3462 0x2CA3 11427 Scaling factor PI 0 1 Wh LSB 50 Wh LSB Equation Measured value Process value x Scalin...

Страница 44: ...mer 500 1 A 1A Variants and 500 5 A 5A Variants In this example the D CTR is divided into two parts D CTR1 is programmed in the I O module and taken into account with the process value the other one D...

Страница 45: ...B Equation Measured value Process value x Scaling factor PI x D CTR2 Measured value 21638 W 65535 W Active Energy 750 493 750 493 000 001 Register 32 bit 0 1 1 Register 37 D CTR1 0x0032 50 0x0032 50 R...

Страница 46: ...limit and is displayed via the D LED SAG LED The following conditions can also degrade the measuring accuracy of the I O module 1 If only one or two phases of the three phase supply network are conne...

Страница 47: ...rsicht Verl etzungsgefahr durch scharfkantige M esser kontakte 6 mod_1256193279401_21 docx 43414 1 Risk of injury due to sharp edged blade contacts The blade contacts are sharp edged Handle the I O mo...

Страница 48: ...on the devices Pos 73 8 Serie 750 WAGO I O SYSTEM M ontieren D emontieren Busklemme einf g en 3 mod_1231769726703_21 docx 25989 3 1 6 2 1 Inserting the I O Module 1 Position the I O module so that the...

Страница 49: ...d_1239169375203_21 docx 30334 3 1 6 2 2 Removing the I O Module 1 Remove the I O module from the assembly by pulling the release tab Figure 10 Removing the I O Module Example Electrical connections fo...

Страница 50: ...onductor at one single connection If more than one conductor must be routed to one connection these must be connected in an up circuit wiring assembly for example using WAGO feed through terminals Exc...

Страница 51: ...13 mod_1346248367139_21 docx 102097 2 1 7 2 Voltage Measurement Pos 79 Serie 750 WAGO I O SYSTEM Anschli e en Anschl ussbeispi ele Anal ogei ngangskl emmen Spannungsmessung 750 0493 0494 16 mod_13727...

Страница 52: ...spi ele Anal ogei ngangskl emmen Str ommessung 750 0493 16 mod_1372769974422_21 docx 125339 3344443 1 7 3 1 Current Measurement on a Motor For measuring the currents of a 3 phase electrical motor conn...

Страница 53: ...onnect the I O module to the current transformers secondary windings before commissioning the current transformers 7 3 2 1 Accuracy Please note that the overall accuracy of the measuring setup consist...

Страница 54: ...t the voltage measuring end of the 3 phase power measurement module General insulation faults Install protection against electric shock All wiring for the measurement system shall be equipped with pro...

Страница 55: ...uch as ammeters in the current path can substantially increase the total apparent power In addition the CAGE CLAMP IN of the I O module must form a star point neutral for the three secondary windings...

Страница 56: ...cx 192428 33 1 7 4 1 Power Measurement on a Machine For measuring power all of the eight CAGE CLAMPS have to be connected according to the figure below Do not confuse current and voltage clamps When m...

Страница 57: ...Windows For that the fieldbus coupler controller of the node is connected for example to the USB port of a PC using the WAGO USB communication cable WAGO I O CHECK provides the following functions Gr...

Страница 58: ...nual Version 1 2 0 8 1 Configuration with WAGO I O CHECK Right click on the image of the I O module and select the Settings menu item See the figure below Figure 15 WAGO I O CHECK User Interface Bus N...

Страница 59: ...tings as a CSV file In this dialog enter a file name and select a location to save the file e g see section Appendix Settings Opens the settings dialog Calibration Opens the calibration dialog More in...

Страница 60: ...ttings from your hard drive that you may have already saved when setting up another I O module You can change these settings if necessary and then Save them to the I O module Use Export to save the cu...

Страница 61: ...d in the I O module but on the connected PC You specify again the decimal multiples for displaying the measuring units for the various measured variables or keep them 10 3 milli or 100 1 or 103 kilo I...

Страница 62: ...r Measurement Module Manual Version 1 2 0 8 1 2 Phase L1 Phase L2 Phase L3 Tabs Use the Phase L1 Phase L2 Phase L3 tabs to configure user scaling energy min max values and general parameters These set...

Страница 63: ...level PLC as a factor Register 32 and 37 are written For details see section Functional Description For Energy specify whether you want to measure a motor i e a load or a generator and select the sca...

Страница 64: ...an do two general settings for the entire I O module These are Enable watchdog and Enable DC measurement The watchdog deactivates the green status LED A if no process data is received within 100 ms Yo...

Страница 65: ...the Energy tab The initial password is wago Please change this password on first use by clicking Change password The energy values are saved automatically every 15 minutes Use the Save and Delete comm...

Страница 66: ...reset the I O module settings only Calibration data remains unchanged Use Calibration Data Restore to reset the calibration data only The I O module settings remain unchanged Use Total Restore to rese...

Страница 67: ...e maximum current value Write the value 0x1005 to the command register to delete the maximum current value stored in the process data process data index 5 0x1006 Deleting the maximum voltage value Wri...

Страница 68: ...activated 1 DC filter is bypassed Bit 5 reserved Bit 6 invEnergySign 0 Energy consumption measurement not inverted 1 Energy consumption measurement inverted generating operation Bit 7 enClrMinMaxValue...

Страница 69: ...r 38 Register 38 Time constant for automatic deleting of minimum and maximum values Function Data type Access Factory setting Time constant for automatic deleting of minimum and maximum values resolut...

Страница 70: ...CH ECK 750 0493 16 mod_1372771300798_21 docx 125355 1 The measured values are displayed in the 3 phase power measurement dialog in several views The Overview view displays the measured values of all t...

Страница 71: ...Phase Power Measurement Module Manual Version 1 2 0 Selecting Phase L1 resp L2 or L3 Measurements the measured values of the respective phase are displayed in detailed including min and max values and...

Страница 72: ...se Power Measurement Module Manual Version 1 2 0 Currents Voltages displays all three currents with min and max values all three voltages with min and max values undervoltages and all three frequencie...

Страница 73: ...ioning 73 750 493 3 Phase Power Measurement Module Manual Version 1 2 0 If you select Power the active power of the three phases is displayed with min and max values and the power factor cos phi Figur...

Страница 74: ...50 493 3 Phase Power Measurement Module Manual Version 1 2 0 If you select Energies the three total active energies are displayed that have been consumed generated since the beginning of the measureme...

Страница 75: ...n 1 2 0 Selecting DC Measurements you can see the measured DC components of the three measuring signals i e current voltage and power of each measuring signal is displayed Select DC mode on the I O Mo...

Страница 76: ...asurement interval i e sample rate can also be selected from 250 to 300 000 ms Clicking the arrow the Start button generates a drop down list in which you can select No Export By doing this no export...

Страница 77: ...A Off No operational readiness or the internal data bus communication is interrupted Green Operational readiness and correct internal data bus communication B Off No error Red Undervoltage L1 N C Off...

Страница 78: ...30 2013 11 50 46 AM WAGO Kontakttechnik GmbH Co KG I O Check 3 Phase Power Measurement 1 3 3 366 0750 0493 0000 0000 Measurements Current eff L1 0 261 A Current eff L3 0 188 A Current eff L2 0 48 A V...

Страница 79: ...eed transformer ratio True Flexible process image active False Leading sign cos phi positive and negative True Energy measurement generator operation False Automatic reset of the min max values False...

Страница 80: ...s data communication active False Measuring cycle time 50 ms 10 2 CSV Data File Measurement Recording The following table shows an example CSV data file generated in the view Measurement Recording wit...

Страница 81: ...ereich Serie 750 3 mod_1234272230203_21 docx 27500 1 The WAGO I O SYSTEM 750 electrical equipment is designed for use in Zone 2 hazardous areas The following sections include both the general identifi...

Страница 82: ...nsatz i n Ex Bereichen Kennzeichnung f r Eur opa g em ATEX und IEC EX berschrift 3 3 mod_1224157620203_21 docx 24185 3 1 11 1 1 Marking for Europe According to ATEX and IEC Ex Pos 100 6 Serie 750 WAGO...

Страница 83: ...ent group Mining M2 Category High level of protection Ex Explosion protection mark d Mb Type of protection and equipment protection level EPL Flameproof enclosure I Explosion group for electrical equi...

Страница 84: ...TEM Ei nsatz i n Ex Bereichen Beispi elbedruckung der Ex i und IEC Ex i zugel assenen Buskl emmen gem CEN ELEC und IEC_2013 14 mod_1360569320118_21 docx 111298 1 Figure 32 Side Marking Example for App...

Страница 85: ...ent protection level EPL protection by enclosure ia Da Type of protection and equipment protection level EPL associated apparatus with intrinsic safety circuits for use in Zone 20 ib Db Type of protec...

Страница 86: ...ice for a category 2 Zone 1 equipment Ex Explosion protection mark nA Gc Type of protection and equipment protection level EPL Non sparking equipment ia Ga Type of protection and equipment protection...

Страница 87: ...r uckung gem N EC 500_2013 14 mod_1360580302684_21 docx 111353 1 Figure 34 Side Marking Example for I O Modules According to NEC 500 Figure 35 Text Detail Marking Example for Approved I O Modules Acco...

Страница 88: ...gulations Pos 100 14 Alle Serien Allgemeine M odule Ei nsatz i n Ex Bereichen Errichtungsbesti mmungen Einl eitung _2013 14 mod_1360582328318_21 docx 111371 1 For the installation and operation of ele...

Страница 89: ...witches and potentiometers connected to the module may only be actuated when explosive atmosphere can be excluded 4 The connecting and disconnecting of the non intrinsically safe circuits is only perm...

Страница 90: ...ensures a sufficient protection according to EN 60079 0 and EN 60079 1 and the degree of protection IP64 The compliance of these requirements and the correct installation into an enclosure or a contro...

Страница 91: ...ches and potentiometers connected to the module may only be actuated when explosive atmosphere can be excluded 4 The connecting and disconnecting of the non intrinsically safe circuits is only permitt...

Страница 92: ...ures a sufficient protection according to IEC 60079 0 and IEC 60079 1 and the degree of protection IP64 The compliance of these requirements and the correct installation into an enclosure or a control...

Страница 93: ...Economy bus modules only The instructions shall contain the following The configuration interface Service connector is for temporary connection only Do not connect or disconnect unless the area is kno...

Страница 94: ...er Measurement Dialog 59 Figure 17 Settings Dialog 60 Figure 18 Application Tab 61 Figure 19 Phase L1 Tab 62 Figure 20 I O Module Tab 64 Figure 21 Energy Tab 65 Figure 22 Factory Settings Tab 66 Figur...

Страница 95: ...eld Wiring 22 Table 14 Technical Data Climatic Environmental Conditions 23 Table 15 Input and Output Data 26 Table 16 Simple Process Image 27 Table 17 Control Byte C0 29 Table 18 Status Byte S0 30 Tab...

Страница 96: ...ite 2015 9 mod_1285229376516_21 docx 64944 1 WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastra e 27 D 32423 Minden Phone 05 71 8 87 0 Fax 05 71 8 87 1 69 E Mail info wago com Inter...

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