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ML0038

September 27, 2017

- 70 -

Copyright 2017 Bitronics, LLC

Figure 12 – Current Signal Connections – M350 A3

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Summary of Contents for M350

Page 1: ...M350 3 Phase Ammeters Voltmeters User Manual September 27 2017 ML0038 Document Revision M 2017 by Bitronics LLC ...

Page 2: ...ML0038 September 27 2017 2 Copyright 2017 Bitronics LLC ...

Page 3: ...ironment 17 2 0 PHYSICAL CONSTRUCTION MOUNTING 20 2 2 Initial Inspection 22 2 3 Protective Ground Earth Connections 22 2 4 Overcurrent Protection 22 2 5 Supply Mains Disconnect 22 2 6 Instrument Mounting 22 2 7 Cleaning 23 3 0 BACK PANEL WIRING 24 3 1 Auxiliary Power 25 3 1 1 Specifications per section 1 3 25 3 2 M350 V3 VT Inputs VA VB VC VN See Appendix A1 and Section 1 3 25 3 3 M350 A3 CT Input...

Page 4: ...ansformer Ratios 60 6 2 Current M350 A3 60 6 3 Voltage Channels M350 V3 60 6 4 Demand Measurements 61 6 4 1 Ampere Demand M350 A3 62 6 4 2 Volt Demand M350 V3 62 6 4 3 Demand Resets 62 6 4 4 Demand Interval 62 6 5 Heartbeat and Health Check 63 6 6 List of Available Measurements Settings 63 6 7 Calibration 64 6 8 Instantaneous Measurement Principles 64 7 0 ANALOG TRANSDUCER OUTPUT OPTION 65 7 1 Int...

Page 5: ...11 02 18 Add support for configurable points registers V3 000 2011 09 08 Add support for M653 models split core CTs passwords DNP3 events Class 1 2 3 Reads Primary Units V3 020 2011 09 28 Production support changes V3 030 2011 12 13 Modbus and DNP serial address settings configurable in front panel menu error reporting on front panel display V3 060 2012 06 19 Changed password default to none V3 07...

Page 6: ...TY AND ASSISTANCE This product is warranted against defects in materials and workmanship for a period of thirty six 36 months from the date of their original shipment from the factory Products repaired at the factory are likewise warranted for eighteen 18 months from the date the repaired product is shipped or for the remainder of the product s original warranty whichever is greater Obligation und...

Page 7: ...ed by copyrights owned by one or more of the following entities Bitronics LLC 261 Brodhead Road Bethlehem PA 18017 Schneider Automation Inc One High Street North Andover MA 01845 Triangle MicroWorks Inc 2213 Middlefield Court Raleigh NC 27615 Freescale Semiconductor Inc 6501 William Cannon Drive West Austin TX 78735 gzip inflation uses code Copyright 2002 2008 Mark Adler inarp uses WinPcap which i...

Page 8: ...he contents of the Safety Section Explanation of symbols and labels The meaning of symbols and labels that may be used on the equipment or in the product documentation is given below Installing Commissioning and Servicing Equipment connections Personnel undertaking installation commissioning or servicing work on this equipment should be aware of the correct working procedures to ensure safety The ...

Page 9: ...chnical data section of the product documentation Before energizing the equipment the following should be checked Voltage rating and polarity CT circuit rating and integrity of connections Protective fuse rating Integrity of ground earth connection where applicable Equipment operating conditions The equipment should be operated within the specified electrical and environmental limits Current trans...

Page 10: ...L 1 Decommissioning The auxiliary supply circuit in the equipment may include capacitors across the supply or to ground earth To avoid electric shock or energy hazards after completely isolating the supplies to the meter both poles of any dc supply the capacitors should be safely discharged via the external terminals before decommissioning 2 Disposal It is recommended that incineration and disposa...

Page 11: ...ol support for DNP3 TCP UDP or Modbus TCP 5 Web Based configuration via Ethernet service port 6 Wide range universal power supply 7 Rugged aluminum case 8 One V3 model covers all wiring options for phase to phase and phase to neutral 9 Standard 4 round meter 10 3 line at once easy to read long life LED displays 11 Ultimate precision with five digits per line 12 Easy setup and scrolling from front ...

Page 12: ...n Input Option 1 2500V ac minimum Input Option 5 2500V ac minimum Burden Input Option 1 0 016VA 1A rms 60Hz 0 0016ohms 60Hz Input Option 5 0 04VA 5A rms 60Hz 0 0016ohms 60Hz Frequency All Input Options 45 65 Hz VT PT Voltage Inputs V3 Configuration 4 Inputs Measures 1 Bus 3 or 4 Wire 3 Phase Voltages VA VB VC VN See Appendix A1 Connection Diagrams Nominal 120V ac Range 0 to 150V rms System Voltage...

Page 13: ...ML0038 September 27 2017 13 Copyright 2017 Bitronics LLC Sampling System Sample Rate 64 samples per cycle Data Update Rate Amps Volts Available every 100 ms Number of Bits 16 ...

Page 14: ...t both Accuracy Accuracies are specified at nominal Frequency and 25C unless otherwise noted Unless noted all values are true RMS and include Harmonics to the 63rd minimum Voltage AC Better than 0 1 of reading 20 to 150 V rms input to case 25ppm DegC Current Input option 1 Internal Isolation 1A ac Better than 0 1 of reading 20uA 0 1A to 2 0A 20C to 70C Better than 0 1 of reading 50uA 0 01A to 0 1A...

Page 15: ... Protection to IEC60529 2001 Front Panel IP 20 Rear IP 20 When equipment is mounted in an appropriately rated protective enclosure to NEMA or IP protection classifications as required for the installation Ratings are applicable for enclosure category 2 see definitions Altitude Up to and including 2000m above sea level Intended Use Indoor use Indoor Outdoor use when mounted in an appropriately rate...

Page 16: ...lugs up to 0 375 9 53mm wide Precautions must be taken to prevent shorting of lugs at the terminal block A minimum distance of 1 8 3mm is recommended between uninsulated lugs to maintain insulation requirements Recommended Torque 9 In Lbs 1 02 N m Cable temperature rating 85C minimum Serial Port 6 position removable terminal block accepts 26 14AWG solid or 26 12 AWG stranded wire Recommended Torqu...

Page 17: ...ity caused by condensation is to be expected 1 4 Environment UL CSA Recognized File Number E164178 UL61010 1 Edition 3 Issue Date 2012 05 11 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements UL61010 2 30 Edition 1 Issue Date 2012 05 11 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 2 Par...

Page 18: ...s for Testing and Measuring Circuits EMC EN 61326 1 2013 Supersedes EN61326 1 2006 EN 61000 6 2 2005 AC 2005 supersedes EN 61000 6 2 2005 EN 61000 6 4 2007 A1 2011 IEC date 2010 Radiated Emissions Electric Field Strength EN 55011 2009 A1 2010 EN 55011 2016 EN 61000 6 4 2007 A1 2011 IEC date 2010 Group 1 Class A Frequency 30 1000 MHz AC Powerline Conducted Emissions EN 55011 2009 A1 2010 EN 55011 2...

Page 19: ...everity Level 3 Amplitude Telecom ports Ethernet 1 KV Current Voltage Surge Immunity EN 61000 4 5 2014 supersedes EN 61000 4 5 2006 Open Circuit Voltage 1 2 50 s Short Circuit Current 8 20 s Amplitude AC Power Port 2 KV common mode 1 KV differential mode Immunity to Conducted Disturbances Induced by Radio Frequency Fields EN 61000 4 6 2014 supersedes EN 61000 4 6 2009 Level 3 Frequency 150 kHz 80 ...

Page 20: ...y designed to meet the harsh conditions found in utility and industrial applications The Front panel view of the V3 3 phase voltmeter is shown in Figure 1 The A3 3 phase ammeter is not shown but would look similar indicating Amps for engineering units The mechanical dimensions of the M350 are shown in Figure 2 Figure 1 M350 V3 3 Phase Voltmeter Front View ...

Page 21: ...ML0038 September 27 2017 21 Copyright 2017 Bitronics LLC Figure 2 Mounting and Overall Dimensions M350 ...

Page 22: ...or the power system on which it is to be used A 3 Ampere slow blow UL Listed fuse in an appropriate fuse holder should be used in order to maintain any UL product approval 2 5 Supply Mains Disconnect Equipment shall be provided with a Supply Mains Disconnect that can be actuated by the operator and simultaneously open both sides of the mains input line The Disconnect should be UL Recognized in ord...

Page 23: ...gh panel Figure 2 indicates the dimensions of the panel hole cutout Leave adequate space surrounding the instrument when determining mounting arrangements 2 7 Cleaning Cleaning the exterior of the instrument shall be limited to the wiping of the instrument using a soft damp cloth applicator with cleaning agents that are not alcohol based and are non flammable and non explosive ...

Page 24: ...utput option However it is also possible to have a meter without this option port Please note that voltage terminals 3 6 are not active on model A3 ammeter only the V3 voltmeter Current terminals are not present on model V3 voltmeter See Appendix A1 for detailed wiring diagrams covering the CT or VT measurement inputs Refer to the appropriate section in this user manual when wiring either the seri...

Page 25: ... A3 CT Inputs IA IB IC See Appendix A1 and section 1 3 The M350 A3 can be connected directly to a current transformer CT The Current CT signal inputs are connected to terminals 7 12 Several hardware options are offered for the M650 current inputs Distinctions are based on the current option ordered and the physical constructions The 1 Amp and 5 Amp current inputs current input options 1 and 5 resp...

Page 26: ...dditionally meets the requirements of part 8 1 TCP IP T profile for physical layer 1 Ethernet copper interface M350 meters are offered with a standard Ethernet 10 100 Megabit Mb RJ45 copper interface 10BASE T and 100BASE TX which automatically selects the most appropriate operating conditions via auto negotiation This interface is capable of operating either as half duplex compatible with all Ethe...

Page 27: ...work You can ping the IP address to make sure it is not already in use on your network You may also want to check with your network administrator to make sure the IP address you plan on using is available to use on your network After entering the Network addresses exit out of the menu and when prompted to save the new configuration settings press the button directly under the SAVE prompt identifie...

Page 28: ...w followed by some usage examples inarp usage inarp i if_ipaddr n cnt p ms v mac spec where if_ipaddr interface ip address default is 1st Ethernet interface cnt count of addresses to poll default 1 ms period between polls 100ms mac spec 6ByteMac 3 5 ByteMac macRangeName 6ByteMac xx xx xx xx xx xx cnt can specify a range to scan 5ByteMac xx xx xx xx xx default cnt is 256 3ByteMac xx xx xx default c...

Page 29: ... released by Bitronics from time to time either to add new functionality or to correct errors in code that may have escaped detection prior to commercial release Consult the factory for detailed information pertaining to the availability of firmware upgrades In cases such as this it is desirable to support a mechanism for new firmware to be installed remotely The ability to upgrade Firmware is don...

Page 30: ...nt remotely by displaying the dialog box below after the firmware has been successfully installed It is strongly recommended that you clear your web browser s cache delete the temporary internet files after updating the firmware so that the new content will be loaded into your browser Please refer to your browser s help file on how to clear the cache A useful keyboard shortcut common to Internet E...

Page 31: ... the user what quantity is being displayed volts in V3 amps in A3 as well as the primary engineering units Kvolts in V3 Listed on the following pages are standard screens available in the M350 Configurable screen enable settings are provided through the web server allowing the user to enable or disable each of the display screens in order to view only a selected subset of all the measurements the ...

Page 32: ... legend V3 1 00000 Phase A Volts1 00000 Phase B Volts 00000 Phase C Volts X Volts 2 00000 Phase A B Volts2 00000 Phase B C Volts 00000 Phase C A Volts X Volts 3 000 00 Phase A Average Voltage1 000 00 Phase B Average Voltage 000 00 Phase C Average Voltage X Volts LED to right of the middle line will light up the AVG legend 4 00000 Phase A Maximum Average Volts1 00000 Phase B Maximum Average Volts 0...

Page 33: ... Volts X Volts LED to right of the bottom line will light up the MIN legend 8 00000 Phase A B Minimum Average Volts2 00000 Phase B C Minimum Average Volts 00000 Phase C A Minimum Average Volts X Volts LED to right of the bottom line will light up the MIN legend 9 00000 Phase A Secondary Volts1 00000 Phase B Secondary Volts 00000 Phase C Secondary Volts SecVolts 10 00000 Phase A B Secondary Volts2 ...

Page 34: ...Screens via the Web Server The screens that are displayed in the scrolling mode can be programmed ENABLED DISABLED by the user This programming can be done through the web server Refer to section 5 5 From the web page select the Settings tab then click on Screen Enable in the menu list ...

Page 35: ...ML0038 September 27 2017 35 Copyright 2017 Bitronics LLC 4 1 1 Overview Buttons Functions Figure 5 Button functions for Display Mode Figure 6 Button functions in Set up Mode ...

Page 36: ...s by simultaneously pressing the Home Enter and Toggle Exit buttons when on the desired screen and can also be done through the web server Settings tab Table 1 Button Functions Button Display Mode Function Setup Mode Function Up Arrow Next measurement value Next menu item Down Arrow Previous measurement value Previous menu item or Y Yes when prompted Home Enter Scroll to designated home screen Ent...

Page 37: ...checksum error P CAL Calibration constants for the phase are in error The display and the communication option output are reduced in accuracy to approximately 3 Return to factory for repair Analog outputs calibration checksum error A CAL Calibration constants for the analog outputs are in error The analog output option is reduced in accuracy to approximately 3 Return to factory for repair Input Ov...

Page 38: ...torque ratings for the terminal block wire fasteners are listed in the Physical Specifications table section 1 3 Transient Voltage Suppressor TVS clamp devices are used on the serial port as the method of protection The serial port is clamped to a voltage of 16 7 18 5V nominal 24 46V max The clamps are rated for a peak pulse current of 24 6 max 4 2 1 RS485 Connections Note that various protocols a...

Page 39: ...ML0038 September 27 2017 39 Copyright 2017 Bitronics LLC Figure 7 Typical RS 485 Cable Wiring ...

Page 40: ...ML0038 September 27 2017 40 Copyright 2017 Bitronics LLC Figure 8 RS 232 Cable Wiring Diagram ...

Page 41: ...disabled by leaving the new password field blank and clicking the Change Password button The default from the factory is to have no password set The password is used to authenticate a session when prompted The session authentication will last until the user clicks the Log Out link on the upper right corner of the Web Interface or after five minutes elapses Authentication will be required when atte...

Page 42: ...L0038 September 27 2017 42 Copyright 2017 Bitronics LLC A user has five attempts to enter the correct password If unsuccessful the unit will be locked out for 5 minutes before another attempt can be made ...

Page 43: ...ML0038 September 27 2017 43 Copyright 2017 Bitronics LLC 5 4 Navigating the M350 s setup menu from the front panel ...

Page 44: ...ML0038 September 27 2017 44 Copyright 2017 Bitronics LLC ...

Page 45: ...right Decimal moves to left most digit when right most digit is passed Highlight Next digit Highlights left most digit when right most digit is passed Exit to menu ENTER EXIT Increment highlighted digit by 1 Highlight Previous Next digit Exit to menu ENTER EXIT Increment highlighted digit by 1 Highlight Previous Next digit Numbers scroll left and right to follow highlighted digit Exit to Network m...

Page 46: ...to connect with the M350 web page interface Internet browsers supported are Firefox Internet Explorer Safari and Google Chrome The Home page screen should appear as shown below Home page M350 V3 From the home screen you can select from the following tabs Data This page displays current data measurements Resets This page allows certain quantities to be reset Settings This page allows the user to ch...

Page 47: ...ML0038 September 27 2017 47 Copyright 2017 Bitronics LLC Data page M350 V3 Two Views Instantaneous and Demands ...

Page 48: ...ML0038 September 27 2017 48 Copyright 2017 Bitronics LLC Data page M350 A3 Two Views Instantaneous and Demands Resets page M350 A3 From this page select the quantity to be reset and click apply ...

Page 49: ...ight 2017 Bitronics LLC Settings page Click on one of the settings categories Identity Input Network Serial Port Protocol Screen Enable Load Store Settings Password Security or Firmware Upload to be taken to the next page Contact Page ...

Page 50: ... if the transducer output option is selected then that setting will replace serial Protocol This page allows user configuration of the protocols DNP or Modbus Screen Enable Allows the screens shown on the M350 display front panel to be enabled or disabled by the user The webpage must be used in order to enable screens on the M350 Load Store Settings This page allows you to save and retrieve settin...

Page 51: ...ML0038 September 27 2017 51 Copyright 2017 Bitronics LLC Identity Input M350 A3 Shown ...

Page 52: ...ML0038 September 27 2017 52 Copyright 2017 Bitronics LLC Network ...

Page 53: ...sabled TCP ASCII or RTU For DNP3 the selections are Disabled Serial TCP or UDP Under DNP3 clicking on the Advanced button reveals more advanced functions that may or may not need to be changed Clicking on the Basic button hides the advanced functions A detailed description of the setup parameters for Modbus and DNP3 can be found in the Appendix of the respective protocol manuals There are both fix...

Page 54: ...ML0038 September 27 2017 54 Copyright 2017 Bitronics LLC Modbus DNP3 ...

Page 55: ...ML0038 September 27 2017 55 Copyright 2017 Bitronics LLC DNP Serial DNP TCP ...

Page 56: ...ML0038 September 27 2017 56 Copyright 2017 Bitronics LLC Modbus RTU Modbus TCP ...

Page 57: ...ML0038 September 27 2017 57 Copyright 2017 Bitronics LLC Screen Enable M350 V3 Shown Analog Output if option ordered M350 V3 Shown ...

Page 58: ...ML0038 September 27 2017 58 Copyright 2017 Bitronics LLC Load Store Device Settings Password Security Settings ...

Page 59: ...ML0038 September 27 2017 59 Copyright 2017 Bitronics LLC Firmware Upload ...

Page 60: ...nterface allows you to choose either 1A or 5A for the denominator and the primary value is entered directly The PT ratio is to 1 when entering through the front display The web allows other denominators 110 115 or 120 to be used Refer to the appropriate protocol manual for more information on changing transformer ratios 6 2 Current M350 A3 The M350 A3 has three current inputs with an internal CT o...

Page 61: ...nstrument reset is known as the minimum demand Since thermal demand is a heating and cooling phenomenon the demand value has a response time T defined as the time for the demand function to change 90 of the difference between the applied signal and the initial demand value For utility applications the traditional value of T is 15 minutes although the M350 can accommodate other demand intervals Sec...

Page 62: ...imum and maximum values recalled from non volatile memory In order to prevent the recording of false minimums a new Minimum Volt Demand will not be stored unless two criteria are met First the instantaneous voltage for that particular phase must be greater than 20Vrms secondary Second the Present Demand for that particular phase must have dipped Present Demand value must be less than previous Pres...

Page 63: ...status failures occur the meter may have experienced an operational failure The table below provides a reference of error codes The Health Check value shown in the M350 web live data page is a hexadecimal representation of the binary value For example a Health Check value of 0000 0014 is the equivalent of the binary value 000000000010100 The 1 shown in bit 2 and bit 4 represents a failed test in t...

Page 64: ...ts AN BN CN AB BC CA 6 7 Calibration Routine re calibration is not recommended or required A field calibration check every few years is a good assurance of proper operation 6 8 Instantaneous Measurement Principles The M350 measures all signals at an effective rate of 64 samples cycle accommodating fundamental signal frequencies from 45 to 65Hz depending on model Samples of all bus signals are take...

Page 65: ...oop powered passive 0 1mA Current Range Output Range 0 to 1mA into 10K ohms or less Overload to 2 1mA into 5K ohms or less Resolution 0 22uA Output Resistance 500 ohm 4 20mA Current Range Output Range 4 to 20mA Resolution 1 1uA Max Loop Voltage 40Vdc Max Voltage Drop 2 3V 20mA 4 20mA Internal Loop Supply Max Output Voltage 6V 60mA Accuracy 0 25 of Full Scale Input Data Update Rate poll rate 100ms ...

Page 66: ...ML0038 September 27 2017 66 Copyright 2017 Bitronics LLC Figure 9 0 1mA Transducer Output Connections A3 Shown ...

Page 67: ...ML0038 September 27 2017 67 Copyright 2017 Bitronics LLC Figure 10 4 20mA Transducer Output Connections A3 Shown ...

Page 68: ...ML0038 September 27 2017 68 Copyright 2017 Bitronics LLC APPENDIX A1 CT VT Connection Diagrams Figure 11 Voltage Signal Connections M350 V3 ...

Page 69: ...ML0038 September 27 2017 69 Copyright 2017 Bitronics LLC Figure 11 Voltage Signal Connections M350 V3 ...

Page 70: ...ML0038 September 27 2017 70 Copyright 2017 Bitronics LLC Figure 12 Current Signal Connections M350 A3 ...

Page 71: ...opper connection is used to an external fiber converter 7 Verify that the LINK LED on the converter is lit on at least one side Both sides need to be lit for a valid connection to be established 8 At least one brand of converters will not output an optical idle unless it receives a forced 10 Mb copper link pulse for some reason auto negotiation pulses confuse it Some hubs switches will not output ...

Page 72: ...ML0038 September 27 2017 72 Copyright 2017 Bitronics LLC ...

Page 73: ...ML0038 September 27 2017 73 Copyright 2017 Bitronics LLC A3 M350 Display Screens Visual Representations M350 A3 ...

Page 74: ...ML0038 September 27 2017 74 Copyright 2017 Bitronics LLC M350 V3 ...

Page 75: ...ML0038 September 27 2017 75 Copyright 2017 Bitronics LLC ...

Page 76: ...ML0038 September 27 2017 76 Copyright 2017 Bitronics LLC ...

Page 77: ...ML0038 September 27 2017 77 Copyright 2017 Bitronics LLC ...

Page 78: ...ML0038 September 27 2017 78 Copyright 2017 Bitronics LLC ...

Page 79: ...ML0038 September 27 2017 79 Copyright 2017 Bitronics LLC ...

Page 80: ...t 1 3 various clarifications added to specifications Sect 1 5 revised with standards Sect 3 0 revised revised Sect 3 1 1 information per Sect 1 3 Sect 3 2 added references VA VB VC VN Sect 3 3 added references IA IB IC and current options for 1A 1 5A 5 new dimension drawing to correct error with metric and added note on common return for transducer output Updated fiber connector from MT RJ to LC A...

Page 81: ...ML0038 September 27 2017 81 Copyright 2017 Bitronics LLC ...

Page 82: ...Bitronics LLC 261 Brodhead Road Bethlehem PA 18017 610 997 5100 Fax 610 997 5450 www novatechweb com bitronics ...

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