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EngyVolt RV15

Technical data

31

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 %

Power consumption

5 VA

Electrical connection

The measuring device is designed exclusively for operation on external current

converters.

The multifunction EngyVolt RV12 and RV15 electrical energy meters are suitable for single-phase
and three-phase power systems with 3 or 4 wires.
The "S2" secondary terminals of the current converters are connected in the electrical energy meter.
Only one protective ground connection

*

is provided for this reason.

Terminals

Screw-clamp terminals 0.05 to 2.5 mm² (30 to 14 AWG)

10.4

Performance characteristics

Reference operating
conditions

Reference temperature

23 °C ±1 °C (73.4 °F ±1.8 °F)

Input wave form

50 or 60 Hz ±2 %

Sinusoidal (distortion factor < 0.005)

Supply voltage

Nominal voltage ±1 %

Supply voltage frequency (with AC) Nominal frequency ±1 %

Supply voltage wave form

Sinusoidal (distortion factor < 0.05)

Maximum measured error

Extended measured error: IEC 688: 1992

Current (A)

0.5 % of nominal current

Voltage (V)

0.5 % of max. nominal voltage (4 % for I2 in 3-phase 3-wire operation)

Calculated neutral current (A)

4 % of nominal current

Frequency (Hz)

0.1 Hz

Power factor (PF = Cos-Phi)

0 to 1
Power factor is only indicated when the measured VA is over 3 % of range maximum

Active power (W)

±1 % of nominal power

Reactive power (var)

±1 % of nominal power

Apparent power (VA)

±1 % of nominal power

Active energy (kWh)

Class 1 (IEC 62053-21)

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Содержание EngyVolt RV15

Страница 1: ...Operating Instructions EngyVolt RV15 Multifunction electrical energy meter BA01040K 09 EN 01 11 71155512 ...

Страница 2: ......

Страница 3: ...heck 11 4 Wiring 12 4 1 Supply voltage 12 4 2 Electrical connection 12 4 3 Connecting the outputs 15 4 4 Post connection check 16 5 Operation 17 5 1 Display 17 5 2 Operating elements 17 5 3 Display mode 17 5 4 Configuration mode 18 5 5 Power up screen 19 6 Commissioning 20 6 1 Post installation check and switching on the device 20 6 2 Menu structure 20 6 3 Device settings 22 7 Maintenance 27 8 Tro...

Страница 4: ...ndition and fail safe condition only 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 o...

Страница 5: ...ous situation Failure to avoid the situation will result in a fatal or serious injury WARNING Causes consequences Consequences of non compliance if applicable Corrective action This symbol alerts you to a dangerous situation Failure to avoid the situation can result in a fatal or serious injury CAUTION Causes consequences Consequences of non compliance if applicable Corrective action This symbol a...

Страница 6: ...Safety instructions EngyVolt RV15 6 Reference to a page in this manual Reference to a graphic ...

Страница 7: ...tion B A GND 1 2 3 A0016765 å 2 Nameplate EngyVolt RV15 extension module example 1 Module designation order code serial number 2 Terminals 3 Year of manufacture and manufacturer address 2 2 Scope of delivery The scope of delivery comprises Multifunction electrical energy meter for panel mounting Brief Operating Instructions 2 3 Certificates and approvals 2 3 1 CE mark declaration of conformity The...

Страница 8: ...Identification EngyVolt RV15 8 For an overview of all available certificates and approvals refer to the Technical data chapter ...

Страница 9: ... at stable ambient temperatures that do not exceed or drop below the range of 10 to 55 C 14 to 131 F There should be minimum tension from vibrations If possible the measuring device should be mounted in such a way that the contrast of the display is not affected by direct sunlight or strong lighting The LCD display is optimized for vertical reading If the display is read horizontally lighting cond...

Страница 10: ...ctions 1 2 A0016512 å 5 Panel mounting of the EngyVolt RV15 1 Panel with requisite cutout 2 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 integrated in the housing locks into place ...

Страница 11: ...769 å 6 Installation of extension modules 1 Pulse extension module 2 RS485 pulse extension module 3 5 Post installation check Is the device located in the center of the panel cutout Are the integrated snap on fasteners locked in place Is there enough room for the cable connections ...

Страница 12: ... damage the device Observe the terminal designations on the device Electrical overloading can damage the device Provide overcurrent protection elements for the power cables Provide a suitable switch or power circuit breaker for emergency shutdown in building installations This switch must be provided close to the device within easy reach and marked as a circuit breaker 4 1 Supply voltage The suppl...

Страница 13: ...phase 3 wire power network WARNING The neutral terminal terminal N is indirectly connected to the voltage input terminals terminals L1 L2 L3 When connected to a three wire system the neutral terminal will adopt a potential somewhere between the remaining lines Danger through electric voltage If external wiring is connected to the neutral terminal it must be connected to either the neutral line or ...

Страница 14: ...å 8 Connection in 3 phase 3 wire power network 1 Fast acting fuse 1 A 2 Slow blow fuse 1 A 3 Supply voltage 4 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 ...

Страница 15: ...w fuse 1 A 3 Supply voltage 4 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 4 3 Connecting the outputs 4 3 1 RS485 interface for communication via Modbus RTU or Metasys N2 The RS485 Modbus RTU interface is connected to the terminals of the RS485 pulse modu...

Страница 16: ... negative conditions can reduce the distance over which reliable operation is possible 4 3 2 Pulse output The pulse output outputs is are connected to the terminals of the pulse or RS485 pulse extension modules which are provided for this purpose 1 2 3 3 A0016408 å 11 Connecting the pulse output 1 RS485 pulse module 2 Pulse module 3 Relay connection Semi conductor relays are provided The nominal p...

Страница 17: ...he Down function in the configuration mode A0016378 Is used to display the energy values This is the Enter function in the configuration mode 5 3 Display mode The measured values are shown on the backlit liquid crystal display Order in which measured values are displayed in the display mode Key View No Description 3 phase 4 wire View No Description 3 phase 3 wire View No Single phase 2 wire A00163...

Страница 18: ...F power factor with symbol coil inductive capacitor capacitance 3 PF power factor with symbol coil inductive capacitor capacitance 3 PF power factor with symbol coil inductive capacitor capacitance A0016378 1 kWh electrical energy active component 1 kWh electrical energy active component 1 kWh electrical energy active component 2 kvarh electrical energy reactive component 2 kvarh electrical energy...

Страница 19: ... key is used to increase and the key to decrease a value The current digit to be changed flashes on the screen Pressing the key accepts the set value and switches to the next digit In each particular row of numbers the digits are set in succession from left to right Pressing the key takes you back to the previous digit Once the last digit has been accepted SET is displayed in the bottom row of the...

Страница 20: ...ture First level Second level Third level CHNG PASS Change password NPWd new password Change the value of the password Range for selection 0 to 9999 Main menu Password entry SYS system configuration Choose from 1P2W single phase 2 wire 3P3W 3 phase 3 wire 3P4W 3 phase 4 wire CT current transformer primary value Change the value Range for selection 1 to 9999 A dIT integration time of average values...

Страница 21: ...lay disp TOGL display toggle Tests the segments of the LC display alternately PHAS SEQ checks the phase sequence SOFT software Displays the version number of the internal software firmware 6 2 1 Configuration example for the current transformer primary value 1 A0016388 Press the and keys simultaneously and hold for 5 seconds Ã A0016389 The screen to enter the password is displayed 2 To enter the d...

Страница 22: ...d is displayed 2 To enter the default password 0000 which is set at the factory press the key four times or enter a password that has already been configured and press to confirm Ã The screen to make the settings for the system configuration is displayed 6 3 1 Changing the password CHNG PASS 1 Call up the Setup menu 2 Press the key Ã CHNG PASS is displayed 3 Press the key Ã The first digit starts ...

Страница 23: ...ET is displayed 6 3 5 Reset RSET This function resets saved values 1 Call up the Setup menu 2 Press the or keys until RSET is displayed 3 Press the key Initial display dmd 4 Use the and keys to choose from the following functions dmd reset the maximum values ALL reset kWh kvarh and maximum values hour reset kWh and kvarh 5 Press the key to reset the value RSET is displayed 6 3 6 Communication sett...

Страница 24: ...bit 2 2 stop bits 2 Press the key to confirm your selection SET is displayed Setting the device address Addr The device address must be configured for the multifunction electrical energy meter to communicate in a Modbus RTU or a Metasys N2 network Factory setting 1 display 001 The possible setting for Modbus is between 1 and 247 and between 1 and 255 for Metasys N2 1 The first digit starts flashin...

Страница 25: ...ter RATE Pulse rate RATE This functions defines the pulse rate of both pulse outputs Factory setting 1 1 Press the key 2 Use the and keys to choose from the following values 0 1 1 pulse corresponds to 0 1 kWh kvarh 1 1 pulse corresponds to 1 kWh kvarh 10 1 pulse corresponds to 10 kWh varh 100 1 pulse corresponds to 100 kWh kvarh 1000 1 pulse corresponds to 1000 kWh kvarh 3 Press the key to confirm...

Страница 26: ...he key the display alternates between two different display modes This helps the user identify whether individual segments do not switch off PHAS SEQ when selected by pressing the key this function checks whether the voltage and current connections have been established correctly on the energy meter PSEQ phase sequence V 123 I 123 is displayed if all the connections are correct If PSEQ V 132 I 123...

Страница 27: ...o the tinted viewing window If necessary the rear can also be wiped with a dry cloth Only isopropyl alcohol can be used as a cleaning agent and should be used sparingly Never use water If the rear of the device or the terminals should be accidentally contaminated with water the measuring device must be dried carefully before further service If it is suspected that water or another contaminant migh...

Страница 28: ...urn 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 8 3 Disposal The device contains electronic components and must therefore be disposed of as electronic waste Please pay particular attention to the national disposal re...

Страница 29: ...EngyVolt RV15 Accessories 29 9 Accessories Description Order number Pulse output module RK03 A1 RS485 Modbus RTU pulse output module RK03 A2 ...

Страница 30: ...nominal voltage for 1 second application repeated 5 times in 5 minute intervals Nominal current secondary 5 A AC RMS Secondary current measuring range 0 05 to 6 A Maximum short duration overcurrent 10 x nominal current for 1 second application repeated 5 times in 5 minute intervals Primary current measuring range 1 to 9999 A per phase Frequency 45 to 66 Hz Nominal power secondary 1445 W 3 phase 43...

Страница 31: ... is provided for this reason Terminals Screw clamp terminals 0 05 to 2 5 mm 30 to 14 AWG 10 4 Performance characteristics Reference operating conditions Reference temperature 23 C 1 C 73 4 F 1 8 F Input wave form 50 or 60 Hz 2 Sinusoidal distortion factor 0 005 Supply voltage Nominal voltage 1 Supply voltage frequency with AC Nominal frequency 1 Supply voltage wave form Sinusoidal distortion facto...

Страница 32: ... as above Error in measurement when a measurand is within its measuring range but outside its reference range 2 x error allowed at the end of the reference range adjacent to the section of the measuring range where the measurand is currently operating being tested Warm up period 1 minute 10 5 Installation Mounting location EngyVolt RV15 Panel cutout as per DIN 96 max thickness 5 mm 0 2 in The devi...

Страница 33: ...terference immunity BS EN 61326 Class A 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 96 3 78 64 1 2 52 96 3 78 58 2 28 77 5 3 05 83 6 3 29 mm in A0016361 å 12 Device dimensions Basic device Basic device with ...

Страница 34: ...ltifunction electrical energy meter Display mode The measured values are shown on the backlit liquid crystal display The user can call up and run through 15 different views using the operating elements on the front panel Configuration mode The abbreviation for the parameter is displayed in the top display row in the configuration mode The middle row displays the parameter value The bottom row is u...

Страница 35: ...dards 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 Other standards and guidelines IEC 60529 Degrees of protection provided by enclosures IP code IEC 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use ...

Страница 36: ...ctive load and positive for a capacitive load The load type capacitive or inductive is determined from the signs of the sums of the relevant active powers and reactive powers If both signs are the same then the load is inductive if the signs are different then the load is capacitive The magnitude of the phase angle is the ArcCos of the power factor Its sign is taken as the opposite of the VAr s si...

Страница 37: ...the phase of L2 L3 relative to L1 L2 must be within the window 240 48 degrees L3 L1 relative to L1 L2 must be within the window 120 48 degrees to record the sequence V123 Alternatively the phase of L2 L3 relative to L1 L2 must be within the window 120 48 and L3 relative to L1 L2 must be within the window 240 48 degrees to record the sequence V132 For the current sequence test the phase of I1 relat...

Страница 38: ...er Floating point format to IEEE 754 Most significant register first Default The default may be changed if required See Holding Register Register Order Error check field 2 byte Cyclical Redundancy Check CRC Framing 1 start bit 8 data bits least significant bit sent first 1 bit for even odd parity or no parity 1 stop bit if parity is used 1 or 2 bits if no parity Data coding All data values in the ...

Страница 39: ...Â Ä Â 30027 14 Phase 2 volt amps reactive Var 00 1A Â Ä Ä 30029 15 Phase 3 volt amps reactive var 00 1C Â Ä Ä 30031 16 Phase 1 power factor 1 00 1E Â Ä Â 30033 17 Phase 2 power factor 1 00 20 Â Ä Ä 30035 18 Phase 3 power factor 1 00 22 Â Ä Ä 30037 19 Phase 1 phase angle Degrees 00 24 Â Ä Â 30039 20 Phase 2 phase angle Degrees 00 26 Â Ä Ä 30041 21 Phase 3 phase angle Degrees 00 28 Â Ä Ä 30043 22 Av...

Страница 40: ...5 Average line to neutral volts THD 00 F8 Â Ä Â 30251 126 Average line current THD 00 FA Â Â Â 30255 128 Total system power factor 5 Degrees 00 FE Â Â Â 30259 130 Phase 1 current demand Dt Ampere 01 02 Â Â Â 30261 131 Phase 2 current demand Dt Ampere 01 04 Â Â Ä 30263 132 Phase 3 current demand Dt Ampere 01 06 Â Â Ä 30265 133 Maximum phase 1 current demand Dt Ampere 01 08 Â Â Â 30267 134 Maximum p...

Страница 41: ...to show the maximum parameter value since last demand reset r w 40007 4 System Volts 00 06 Read system voltage VLL for 3P3W VLN for others ro 40009 5 System current 00 08 Write system current limited to 1 to 9999 A Requires password see parameter 13 r w 40011 6 System type 00 0A Write system type 3p4w 3 3p3w 2 1p2w 1 Requires password see parameter 13 r w 40013 7 Relay pulse width 00 0C Write rela...

Страница 42: ...rial number ro 40087 44 Relay 1 energy type 00 56 Write MODBUS Protocol input parameter for pulse relay 1 0 relay off 37 import Wh 39 import varh Default 37 r w 40089 45 Relay 2 energy type 00 58 Write MODBUS Protocol input parameter for pulse relay 1 0 relay off 37 import Wh 39 import varh Default 37 r w 40217 109 Reset logged data 00 D8 Write code to reset data group 1 energy 2 demand maximums 3...

Страница 43: ...ver Output Levels Loaded 1 5 V Minimum Driver Output Levels Unloaded 6 V Drive Load Minimum 60 W Driver Output Short Circuit Current Limit 150 mA to GND 250 mA to 12 V 250 mA to 7 V Minimum Receiver Input Resistance 12 kW Receiver Sensitivity 200 mV Further information relating to RS485 may be obtained from either the EIA or the various RS485 device manufacturers 11 3 1 Half duplex Half duplex is ...

Страница 44: ...s connection 1 Modbus Master 2 EngyVolt Modbus Slave There must be no more than two wires connected to each terminal this ensures that a Daisy Chain or straight line configuration is used A Star or a network with Stubs Tees is not recommended as reflections within the cable may result in data corruption A0016444 å 15 Correct straight line connection A0016445 å 16 Incorrect star or stubs connection...

Страница 45: ... the same for all devices on the network Check that the master is requesting floating point variables pairs of registers placed on floating point boundaries and is not splitting floating point variables Check that the floating point byte order expected by the master is the same as that used by EngyVolt device Various software systems can use a number of formats If possible obtain a second RS232 to...

Страница 46: ...ave address 8 bit value representing the slave being addressed 1 to 247 0 is reserved for the broadcast address The EngyVolt devices do not support the broadcast address Function code 8 bit value telling the addressed slave what action is to be performed 3 4 8 or 16 are valid Start address Hi The top most significant eight bits of a 16 bit number specifying the start address of the data being requ...

Страница 47: ...ng the first register requested in the query First register Lo 2 The bottom least significant eight bits of a 16 bit number representing the first register requested in the query Second register Hi 2 The top most significant eight bits of a 16 bit number representing the second register requested in the query Second register Lo 2 The bottom least significant eight bits of a 16 bit number represent...

Страница 48: ...I Mode The greater data density allows better data throughput for the same baud rate however each message must be transmitted in a continuous stream This is very unlikely to be a problem for modern communications equipment Coding system Full 8 bit binary per byte In this document the value of each byte will be shown as two hexadecimal characters each in the range 0 9 or A F Line protocol 1 start b...

Страница 49: ...lly When messages are transmitted on standard Modbus protocol serial networks each byte is sent in this order left to right Transmit Character Start Bit Data Byte Parity Bit 1 Stop Bit 11 bits total Least Significa nt Bit LSB Most Significa nt Bit MSB Start 1 2 3 4 5 6 7 8 Parity Stop Transmit Character Start Bit Data Byte 2 Stop Bits 11 bits total Least Significa nt Bit LSB Most Significa nt Bit ...

Страница 50: ... check bytes represent a 16 bit binary value calculated by the transmitting device The receiving device must recalculate the CRC during receipt of the message and compare the calculated value to the value received in the error check bytes If the two values are not equal the message should be discarded The error check calculation is started by first pre loading a 16 bit register to all 1 s i e Hex ...

Страница 51: ... be used directly without any requirement to scale the values for example the units for the voltage parameters are volts the units for the power parameters are watts etc What is a floating point number A floating point number is a number with two parts a mantissa and an exponent and is written in the form 1 234 x 105 The mantissa 1 234 in this example must have the decimal point moved to the right...

Страница 52: ... is always preceded by a 1 This bit is not stored in the hexadecimal representation of the floating point number Adding 1 and the binary point to the beginning of the mantissa gives the following 1 11100001000000000000000 Now we adjust the mantissa for the exponent A negative exponent moves the binary point to the left A positive exponent moves the binary point to the right Because the exponent is...

Страница 53: ... must be even numbers to request 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 The following response returns the contents of Volts 1 as 230 2 But see also Exception Response later Field name Example Hex Slave address 01 Function 04 Byte count 04 Data High...

Страница 54: ...tion Response later Field name Example Hex Slave address 01 Function 03 Byte count 04 Data High Reg High Byte 3F Data High Reg Low Byte 80 Data Low Reg High Byte 00 Data Low Reg Low Byte 00 Error check Low F7 Error check High CF Write holding registers MODBUS Protocol code 10 16 decimal writes the contents of the 4X registers The following query will set the Demand Period to 60 which effectively r...

Страница 55: ...nse as shown below The exception function code is the original function code from the query with the MSB set i e it has had 80 hex logically OR ed with it The exception code indicates the reason for the exception The slave will not respond at all if there is an error with the parity or CRC of the query However if the slave can not process the query then it will respond with an exception In this ca...

Страница 56: ...s the query Field name Example Hex Slave address 01 Function 08 Sub function High 00 Sub function Low 00 Data byte 1 AA Data byte 2 55 Error check Low 5E Error check High 94 11 5 RS485 Implementation of Johnson Controls Metasys These notes briefly explain Metasys and EngyVolt device integration Use these notes with the Metasys Technical Manual which provides information on installing and commissio...

Страница 57: ...on must be set to N2 then the address set to the required value All port settings will then be set automatically see below Device address 1 to 255 Port set up Baud rate 1 9600 Duplex Half Word length 8 Stop bits 1 1 Parity 1 no Interface RS485 1 The user has to make sure that the values given are set up in the EngyVolt device in order to ensure compatibility with the N2 protocol network 11 5 2 Eng...

Страница 58: ...system phase angle Degrees 34 FREQ Frequency Hz 35 LO_EGY_IMP_P OW Imported Wh lower value 0 1 kWh 36 HI_EGY_IMP_PO W Imported Wh higher value 100 MWh 37 LO_EGY_EXP_P OW Exported Wh lower value 0 1 kWh 38 HI_EGY_EXP_PO W Exported Wh higher value 100 MWh 39 LO_EGY_IMP_V AR Imported Varh lower value 0 1 kvarh 40 HI_EGY_IMP_VA R Imported Varh higher value 100 Mvarh 41 LO_EGY_EXP_V AR Exported Varh lo...

Страница 59: ...D 62 VLNAVG_THD Line to neutral volts THD average 63 V12_THD Line 1 to line 2 volts THD 64 V23_THD Line 2 to line 3 volts THD 65 V31_THD Line 3 to line 1 volts THD 66 VLLAVG_THD Line to line volts THD average 67 A1_THD Phase 1 Current THD 68 A2_THD Phase 2 Current THD 69 A3_THD Phase 3 Current THD 70 AAVG_THD Phase Current THD average 71 RESET Reset 72 The values represented refer to the prefix k ...

Страница 60: ... 13 Energy resolution 36 Entering numbers 19 I Installation Extension modules 11 M Maximum demand 36 Maximum indicator function 23 Measuring device Return 28 Metasys Design considerations 57 Metasys N2 Application details 56 Point mapping table 57 Requirements 56 Modbus A and B terminals 44 Commands 52 Connecting the instruments 43 Data coding 38 Data format 45 Diagnostics 56 Error checking method...

Страница 61: ...Volt RV15 Index 61 RS485 15 RSET 23 S Single phase 2 wire 13 SOFT 26 Staff Requirements 4 STOP 24 SYS 22 T TEST 26 Testing the phase sequence 37 THD 36 Total harmonic distortion THD 36 W Workplace safety 4 ...

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Страница 64: ...www endress com worldwide BA01040K 09 EN 01 11 71155512 EH COSIMA ...

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