Endress+Hauser EngyVolt RV15 Operating Instructions Manual
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Endress+Hauser EngyVolt RV15 Operating Instructions Manual

Multifunction electrical energy meter
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Operating Instructions
EngyVolt RV15
Multifunction electrical energy meter
BA01040K/09/EN/01.11
71155512

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Summary of Contents for Endress+Hauser EngyVolt RV15

  • Page 1 Operating Instructions EngyVolt RV15 Multifunction electrical energy meter BA01040K/09/EN/01.11 71155512...

  • Page 3: Table Of Contents

    EngyVolt RV15 Table of contents Table of contents Safety instructions ....4 Technical data ..... 30 Workplace safety .

  • Page 4: Safety Instructions

    The operator is responsible for interference-free operation of the device. ► Conversions to the device Unauthorized modifications to the device are not permitted and can lead to unforeseeable dangers. If, despite this, modifications are required, consult with Endress+Hauser. ► Repair To ensure continued operational safety and reliability, Carry out repairs on the device only if they are expressly permitted.

  • Page 5: Technical Improvement

    EngyVolt RV15 Safety instructions Technical improvement The manufacturer reserves the right to modify technical data without prior notice. Please contact your sales center for information on modifications or updates to the Operating Instructions. Return The device must be packed in protective packaging if it is being returned for repair, for example.
  • Page 6 Safety instructions EngyVolt RV15 Reference to a page in this manual Reference to a graphic...

  • Page 7: Identification

    Ext. ord. cd.: XX Caution: refer to installation instruction A0016765 å 2 Nameplate EngyVolt RV15 extension module (example) Module designation, order code, serial number Terminals Year of manufacture and manufacturer address Scope of delivery The scope of delivery comprises: • Multifunction electrical energy meter for panel mounting •...
  • Page 8 Identification EngyVolt RV15 For an overview of all available certificates and approvals, refer to the "Technical data" chapter.

  • Page 9: Installation

    EngyVolt RV15 Installation Installation Incoming acceptance, transport, storage Compliance with the permitted storage and transportation conditions is mandatory. Precise specifications are provided in the "Technical data" section (® ä 30). 3.1.1 Incoming acceptance On receipt of the goods, check the following points: •...

  • Page 10: Installation Instructions

    Dimensions for panel cutout Installation instructions A0016512 å 5 Panel mounting of the EngyVolt RV15 Panel with requisite cutout Integrated snap-on fastener 1. Create the panel cutout with the necessary dimensions (® å 4, ä 10). 2. Push the device into the panel cutout from the front until the snap-on fastener which is...

  • Page 11: Post-Installation Check

    EngyVolt RV15 Installation 3.4.1 Installation of extension modules A0016769 å 6 Installation of extension modules Pulse extension module RS485 / pulse extension module Post-installation check • Is the device located in the center of the panel cutout? • Are the integrated snap-on fasteners locked in place?

  • Page 12: Wiring

    Wiring EngyVolt RV15 Wiring WARNING Danger! Electric voltage! The entire electrical connection must be performed when the device is de-energized. ► Establish the protective ground connection before making any other connections. ► NOTICE Cable heat load Use suitable cables for temperatures that are 5 °C (9 °F) above the ambient temperature.
  • Page 13 EngyVolt RV15 Wiring 4.2.1 Connection in single-phase, 2-wire power network +I1- +I2- +I3- A0016400 å 7 Connection in single-phase, 2-wire power network Fast-acting fuse 1 A Slow-blow fuse 1 A Supply voltage Load 4.2.2 Connection in 3-phase, 3-wire power network...
  • Page 14 Wiring EngyVolt RV15 +I1- +I2- +I3- A0016404 å 8 Connection in 3-phase, 3-wire power network Fast-acting fuse 1 A Slow-blow fuse 1 A Supply voltage Load The "S2" secondary terminals of the current transformers are connected in the multifunction electrical energy meter. Only one protective ground connection * must be provided for this reason.

  • Page 15: Connecting The Outputs

    EngyVolt RV15 Wiring 4.2.3 Connection in 3-phase, 4-wire power network +I1- +I2- +I3- A0016406 å 9 Connection in 3-phase, 4-wire power network Fast-acting fuse 1 A Slow-blow fuse 1 A Supply voltage Load The "S2" secondary terminals of the current transformers are connected in the multifunction electrical energy meter.

  • Page 16: Post-Connection Check

    Wiring EngyVolt RV15 A0016407 å 10 Connecting the RS485 Modbus RTU interface RS485 / pulse module A shielded, two-wire cable is recommended for the connection between the RS485 master and the measuring device. A cable that is specially designed for connecting RS485 interfaces should be used where possible.

  • Page 17: Operation

    EngyVolt RV15 Operation Operation Display The display screen is used in 2 operating modes: • Display mode (® ä 17) to display measured values • Configuration mode (® ä 17) of the multifunction electrical energy meter. The possible settings are described in the "Commissioning" section (® ä 20).

  • Page 18: Configuration Mode

    Operation EngyVolt RV15 View No. Description View No. Description View No. Single-phase, 2-wire 3-phase, 4-wire 3-phase, 3-wire A L1 (current L1) A L1 (current L1) A L1 (current L1) A L2 (current L2) A L2 (current L2) A L3 (current L3)

  • Page 19: Power-Up Screen

    EngyVolt RV15 Operation Generally speaking, the keys change the value of the parameter; the key confirms the change / setting and skips to the next display screen (next parameter). You can exit the configuration mode at any time by pressing the keys simultaneously for 5 seconds.

  • Page 20: Commissioning

    Commissioning EngyVolt RV15 Commissioning Post-installation check and switching on the device Perform all the final checks before commissioning the device. • Checklist for "post-installation check" (® ä 11) • Checklist for "post-connection check" (® ä 16) When the operating voltage is applied, a number of screens are first displayed by way of a self-test (®...
  • Page 21 EngyVolt RV15 Commissioning First level Second level Third level Addr (device address) Choose value from between 1 to 247 RLY (relay) OP1 (value assignment to pulse output Choose from: relay 1) • NONE OP2 (value assignment to pulse output • kWh relay 2) •...

  • Page 22: Device Settings

    Commissioning EngyVolt RV15 Ã A0016391 4. Press the key. Ã The first digit starts flashing. 5. Use the keys to set the desired value. 6. Press the key to confirm the set value. Ã The next digit starts flashing. 7. Repeat this procedure until the last digit has been set and confirmed.
  • Page 23 EngyVolt RV15 Commissioning 6.3.3 Current transformer primary value (CT) The transformer primary current must be configured in the range from 1/5 A to 9 999/5 A to ensure current, power and energy values are displayed and recorded correctly. The setup sequence is explained in the (®...
  • Page 24 Commissioning EngyVolt RV15 Ã If "N2" is selected, it is only possible to configure the device address (® ä 24). The other communication parameters cannot be modified. "SET" is displayed. Setting the baud rate - bAUd The baud rate needed for Modbus RTU communication via the RS485 interface is selected in this function.
  • Page 25 EngyVolt RV15 Commissioning 2. Press the keys until RLY is displayed. 3. Press the key. Initial display: "OP1", "kWh" 4. Press the key again to assign the desired function to pulse output 1. 5. Use the keys to choose from the following values: kwH (= use as pulse output for kWh), kvarh (= use as pulse output for kvarh), NONE (= not used) 6.
  • Page 26 Commissioning EngyVolt RV15 5. Press the key to confirm your selection. "SET" is displayed. The device returns to the first menu level. 6.3.9 Self-test – TEST This screen contains several functions for performing self-tests on the multifunction electrical energy meter.

  • Page 27: Maintenance

    EngyVolt RV15 Maintenance Maintenance WARNING The device is energized. Danger! Risk of electric shock! Before performing any cleaning work on the device, the device must be de-energized. Live ► transformer cables must never be opened to remove any dust or dirt that may have accumulated.

  • Page 28: Troubleshooting

    Return Observe the following points when returning the device: • Contact your Endress+Hauser Sales Center to obtain information about the procedure and basic conditions. • Enclose a description of the error if sending in a device for repair.

  • Page 29: Accessories

    EngyVolt RV15 Accessories Accessories Description Order number Pulse output module RK03-A1 RS485 Modbus RTU / pulse output module RK03-A2...

  • Page 30: Technical Data

    EngyVolt RV12: active, reactive and apparent power, power factor (Cos-Phi), imported and exported active and reactive energy, neutral current, max. current (L1, L2, L3, N) , max. active power EngyVolt RV15: active, reactive and apparent power, active and reactive energy, neutral current, max. current (L1, L2, L3, N) , max. active power...
  • Page 31 EngyVolt RV15 Technical data RS485 MODBUS Number EngyVolt RV12: 1 EngyVolt RV15: 1 (optional, via extension module) Type Two-wire, half-duplex Baud rate 2400, 4800, 9600, 19200, 38400 10.3 Power supply Supply voltage AC nominal voltage 110 to 400 V AC ±10 % DC nominal voltage 120 to 350 V DC ±20 %...
  • Page 32 Technical data EngyVolt RV15 Reactive energy (kvarh) ±1 % of measuring range 1 % up to 31st harmonic Display repetition rate 1 s typically up to >99 % of the full scale value Measurement and calculation interval Max. 300 ms (maximum with %THD measurement) Influence of ambient Current and voltage: 0.013 %/°C (0.0072 %/°F) of nominal value...
  • Page 33 Dielectric strength 3.25 kV for 1 minute between communication outputs and measuring inputs, communication outputs and supply voltage. Supply voltage and measuring inputs 10.7 Mechanical construction Dimensions EngyVolt RV15 (panel-mounted) 64.1 (2.52) 96 (3.78) 58 (2.28) 77.5 (3.05) mm (in) 83.6 (3.29)
  • Page 34 Technical data EngyVolt RV15 10.8 Operability Local operation RV12 RV15 PULSE MODBUS CT INPUTS -I3+ -I2+ -I1+ VOLTAGE INPUTS A0016505 å 13 Display and operating elements of the EngyVolt devices Three-line display Symbol for parameter displayed Operating keys The display screen is used in 2 operating modes: •...
  • Page 35 EngyVolt RV15 Technical data 10.9 Certificates and approvals 4 mark Declaration of Conformity The product meets the requirements of the harmonized European standards. As such, it complies with the legal specifications of the EC directives. The manufacturer confirms successful testing of the product by affixing to it the 4 mark.

  • Page 36: Appendix

    Appendix EngyVolt RV15 Appendix 11.1 Basis of measurement and calculations 11.1.1 Phase to Phase voltages for 3 phase 4 wire devices Phase to Phase voltages are measured directly and calculated as RMS values. Situations where the phases are not spaced 120 degrees apart (e.g. 4 wire open delta) are indicated correctly.

  • Page 37: Modbus Implementation

    Modbus implementation 11.2.1 Modbus protocol overview In order to use the EngyVolt RV15 in a Modbus network, the optional RS485 / Pulse module is required This section provides basic information for interfacing a multifunctional electrical energy meter to a Modbus protocol network. If background information or more details of the EngyVolt implementation is required please refer to the following sections of this document.
  • Page 38 Appendix EngyVolt RV15 The electrical interface is 2-wire RS485, via 3 screw terminals. Connection should be made using twisted pair screened cable and the following electrical data: Nominal inductivity 0.2 µH/ft Nominal capacity line-line 24 pF/ft Maximum operating voltage 300 V RMS All "A"...
  • Page 39 EngyVolt RV15 Appendix Amps 2 (current Phase 2) Start address = 0008 No of registers = 0002 Each request for data must be restricted to 40 parameters or less. Exceeding the 40 parameter limit will cause a Modbus Protocol exception code to be returned.
  • Page 40 Appendix EngyVolt RV15 Address Parameter EngyVolt input register parameter description Modbus-Startadresse Hex 3 Ø 3 Ø 1 Ø (Register) number Unit Hi Byte Lo Byte 30085 Total system power demand Dt (*4) Watt    30087 Maximum total system power demand Dt (*4) Watt Â...
  • Page 41 EngyVolt RV15 Appendix 11.2.3 Modbus protocol holding registers and EngyVolt set up Holding registers are used to store and display instrument configuration settings. All holding registers not listed in the table below should be considered as reserved for manufacturer use and no attempt should be made to modify their values.
  • Page 42 Appendix EngyVolt RV15 Address Parameter Parameter Modbus start address Valid range Mode (Register) number Holding register High Byte Low Byte 40025 Password Write password for access to protected registers. Read zero. Default: 0000 Reading will also reset the password timeout back to one minute.

  • Page 43: Rs485 General Information

    EngyVolt RV15 Appendix Password Some of the parameters described above are password protected and thus require the password to be entered at the Password register before they can be changed. The default password is 0000. When the password has been entered it will timeout in one minute unless the Password or Password Lock register is read to reset the timeout timer.
  • Page 44 Appendix EngyVolt RV15 terminals should be connected together using the other conductor in the pair. A line as described in (® ä 37) or any other line with equal specification and a characteristic impedance of 120 W is recommended. The cable should be terminated at each end with a 120 W, min. 0.25 W, resistor.

  • Page 45: Modbus Protocol General Information

    EngyVolt RV15 Appendix A0016446 å 17 RS485 signal Start bit Idle State (A) = no signal level on A Idle State (B) = no signal level on 11.3.4 Troubleshooting This section contains general information. Specific notes for your individual system can be obtained from the technical support of the software used or from your system integrator.
  • Page 46 Appendix EngyVolt RV15 to be sent, and an error-checking field. The response contains fields confirming the action taken, any data to be returned, and an error-checking field. If an error occurred in receipt of the message then the message is ignored, if the slave is unable to perform the requested action, then it will construct an error message and send it as its response.
  • Page 47 EngyVolt RV15 Appendix Response The example illustrates the normal response to a request for a single floating point parameter i.e. two 16-bit Modbus Protocol Registers. First Byte Last Byte "Slave" Function Byte count First First Second Second Error check Error check...
  • Page 48 Appendix EngyVolt RV15 response is identified by the function code being a copy of the query function code but with the most-significant bit set. The data contained in an exception response is a single byte error code. First Byte Last Byte "Slave"...
  • Page 49 EngyVolt RV15 Appendix continuously, including during the ‘silent’ intervals. When the first byte (the address byte) is received, each device checks it to find out if it is the addressed device. If the device determines that it is the one being addressed it records the whole message and acts accordingly, if it is not being addressed it continues monitoring for the next message.
  • Page 50 Appendix EngyVolt RV15 Slave Query transmission Response transmission processing time time time Query Response Start of Query received Start of Response received query by slave response by master A0016524-EN å 18 Modbus data transmission 11.4.5 Error checking methods Standard Modbus protocol serial networks use two error checking processes, the error check bytes mentioned above check message integrity whilst Parity checking (even or odd) can be applied to each byte in the message.
  • Page 51 EngyVolt RV15 Appendix LSB = ErrorWord AND Hex (0001) IF LSB = 1 THEN ErrorWord = ErrorWord – 1 ErrorWord = ErrorWord / 2 IF LSB = 1 THEN ErrorWord = ErrorWord XOR Hex (A001) NEXT bit in byte NEXT Byte in message 11.4.6...
  • Page 52 Appendix EngyVolt RV15 S = represents the sign bit where 1 is negative and 0 is positive E = is the 8-bit exponent with an offset of 127 i.e. an exponent of zero is represented by 127, an exponent of 1 by 128 etc.
  • Page 53 EngyVolt RV15 Appendix Protocol RTU protocol. All values stored and returned are in floating point format to IEEE 754 with the most significant register first. Read input registers MODBUS Protocol code 04 reads the contents of the 3X registers. Example: The following query will request ‘Volts 1’ from an instrument with node address 1:...
  • Page 54 Appendix EngyVolt RV15 Field name Example (Hex) Number of points High 00 Number of points Low 02 Error check Low Error check High Data must be requested in register pairs i.e. the “Starting Address“ and the “Number of Points” must be even numbers to request a floating point variable. If the “Starting Address” or the “Number of points”...
  • Page 55 EngyVolt RV15 Appendix Data must be written in register pairs i.e. the “Starting Address“ and the “Number of Points” must be even numbers to write a floating point variable. If the “Starting Address” or the “Number of points” is odd then the query will fall in the middle of a floating point variable the product will return an error message.

  • Page 56: Rs485 Implementation Of Johnson Controls Metasys

    Appendix EngyVolt RV15 11.4.12 Diagnostics MODBUS Protocol code 08 provides a number of diagnostic sub-functions. Only the “Return Query Data” sub-function (sub-function 0) is supported on EngyVolt devices. Example: The following query will send a diagnostic “return query data” query with the data elements set to...
  • Page 57 EngyVolt RV15 Appendix EngyVolt devices may be compatible with earlier releases of N2 software, but Johnson Controls only supports integration issues on the above. Support for Metasys integration Please contact the nearest Jonson Controls Energy Efficency or Johnson Controls System & Services representative.
  • Page 58 Appendix EngyVolt RV15 Name Description Unit ADF point KVAR3 Phase 3 volt amps reactive kvar Phase 1 power factor Phase 2 power factor Phase 3 power factor Phase 1 phase angle Degrees Phase 2 phase angle Degrees Phase 3 phase angle...
  • Page 59 EngyVolt RV15 Appendix Name Description Unit ADF point KVASUM_MAX_ Maximum total system VA demand A1_DMD Phase 1 current demand A1_MAX_DMD Maximum phase 1 current demand A2_DMD Phase 2 current demand A2_MAX_DMD Maximum phase 2 current demand A3_DMD Phase 3 current demand...

  • Page 60: Index

    Index EngyVolt RV15 Index 0 … 9 Return ....... . . 28 Metasys 3-phase, 3-wire .
  • Page 61 EngyVolt RV15 Index RS485 ........15 RSET .
  • Page 64 www.endress.com/worldwide BA01040K/09/EN/01.11 71155512 EH-COSIMA...

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