Victron energy BMV-712 Manual Download Page 21 | Manualshive

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VictronConnect app status screen of a battery monitor running in DC monitor mode.

Note that the wiring of a DC meter differs from battery monitor wiring, see the

Wiring for use as DC meter [7]

chapter on how to wire. When switching between modes, it is recommended to reset all historical data.

Manual - SmartShunt IP65

Page 17

Operation

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Summary of Contents for BMV-712

Page 1: ...Manual SmartShunt IP65 Battery monitor Rev 02 12 2022 This manual is also available in HTML5 ENGLISH ...

Page 2: ...e essential settings 9 4 3 1 Set the battery capacity value 9 4 3 2 Set charged voltage value 9 4 3 3 Set state of charge 10 4 3 4 Set the auxiliary input function 10 4 4 Make Lithium settings if needed 10 4 5 Configure for use as DC meter 11 5 Operation 12 5 1 How does the battery monitor work 12 5 2 Readout overview 12 5 3 LED status codes 13 5 4 Trends 13 5 5 History 14 5 5 1 Accessing historic...

Page 3: ...7 5 9 Reset to defaults 29 8 Battery capacity and Peukert exponent 30 9 Midpoint voltage monitoring 32 9 1 Battery bank and midpoint wiring diagrams 32 9 1 1 Connecting and monitoring midpoint in a 24V battery bank 32 9 1 2 Connecting and monitoring midpoint in a 48V battery bank 33 9 2 Midpoint deviation calculation 34 9 3 Setting the alarm level 34 9 4 Alarm delay 34 9 5 What to do in case of an...

Page 4: ...lary battery voltage reading 39 10 3 11 Synchronisation issues 39 11 Technical data 40 11 1 Technical data 40 12 Appendix 42 12 1 Dimensions SmartShunt IP65 500A 42 12 2 Dimensions SmartShunt IP65 1000A 43 12 3 Dimensions SmartShunt IP65 2000A 43 Manual SmartShunt IP65 ...

Page 5: ...batteries Wash your hands when done If battery acid contacts skin or clothing wash them immediately with soap and water If acid enters an eye immediately flood the eye with running cold water for at least 15 minutes and get medical attention immediately Be careful when using metal tools in the vicinity of batteries Dropping a metal tool onto a battery might cause a short circuit and possibly an ex...

Page 6: ...attery Batteries are used in a wide variety of applications mostly to store energy for later use But how much energy is stored in the battery No one can tell by just looking at it The service life of batteries depends on many factors Battery life may be shortened by under charging over charging excessively deep discharges excessive charge or discharge currents and by high ambient temperature Monit...

Page 7: ...sure the battery temperature GX Device such as a Cerbo GX for system and or remote monitoring VE Direct cable to connect the battery monitor to a GX device VE Direct to USB interface to connect to the battery monitor via USB to a GX device or to the VictronConnect app Manual SmartShunt IP65 Page 3 Introduction ...

Page 8: ... M10 ring terminal 3 4 Basic electrical connections Connection procedure 1 Connect the negative battery terminal to the M10 bolt on the BATTERY MINUS side of the shunt Tighten the shunt bolt with a maximum torque of 21Nm Note that there should be no other connections on this side of the shunt or on the negative battery terminal Any loads or chargers connected here will be excluded from the battery...

Page 9: ...1 Auxiliary connection for monitoring the voltage of a second battery For use to monitor the voltage of a second battery such as a starter or auxiliary battery Connection procedure 1 Verify that the negative pole of the second battery is connected to the LOAD MINUS side of the shunt 2 Connect the M10 lug of the grey Aux cable to the positive terminal of the second battery Battery monitor with auxi...

Page 10: ...cedure Battery monitor with auxiliary temperature sensing Note that the temperature sensor wires do not easily connect to the SmartShunt wires You will have to make your own provision that the connection between the temperature sensor and the SmartShunt is made in a safe and electrical sound way 3 6 GX device connection If the system contains a GX device such as a Cerbo GX the battery monitor can ...

Page 11: ... main battery monitor in the system together with a separate battery monitor that has been set up as a DC meter to monitor a specific device or circuit Wiring example of a system containing a main battery monitor together with a battery monitor that has been set up as a DC meter and is monitoring a specific device or circuit One battery monitor is used as a DC meter B and the other battery monitor...

Page 12: ... powered Look for the battery monitor to appear in the device list in the Local or the VRM tab Click on the battery monitor enter the default PIN code 000000 After entering the default PIN code the VictronConnect app will ask you to change the PIN code This is to prevent unauthorized connections in the future It is recommended that you change the PIN code on the first installation This can be done...

Page 13: ...zS batteries Most settings can stay at their factory default But there are a few settings that need to be changed These are Battery capacity Charged voltage The functionality of the auxiliary input if used State of charge or start synchronised If lithium batteries or batteries with a different chemistry are used some additional settings will have to be changed First make the essential settings as ...

Page 14: ...tery chemistry The factory defaults are in general also applicable to LFP batteries with exception of these settings Tail current Peukert exponent Charge efficiency Discharge floor Tail current In VictronConnect see Settings Battery Tail current Some lithium battery chargers stop charging when the current drops below a set threshold The tail current must be set higher in this case Peukert exponent...

Page 15: ...ge a 100Ah battery if the battery has been left in a discharged state for more than 40 days 1mA x 24h x 40 days 0 96Ah The battery monitor draws 12mA from the battery The positive supply must therefore be interrupted if a system with Li ion batteries is left unattended during a period long enough for the battery monitor power consumption to completely discharge the battery In case of any doubt abo...

Page 16: ...ashes this means that the battery monitor is in an unsynchronised state This mainly occurs when the battery monitor has just been installed or after the battery monitor has been left unpowered and is powered up again For more information see the Synchronising the battery monitor 16 chapter Voltage This is the terminal voltage of the battery Current This is the actual current flowing in or out of t...

Page 17: ... When the blue LED is blinking the Bluetooth interface is ready to be connected to the VictronConnect app When the blue LED stays on the Bluetooth interface has successfully connected to VictronConnect app via Bluetooth See below table for an overview of all possible LED combinations of the Bluetooth module and their meaning Blue LED RED LED Operational state Connection state Description Slow blin...

Page 18: ...l data via the VictronConnect app The battery monitor s historical data can be accessed in the History tab in the VictronConnect app The VictronConnect app battery monitor history screen 5 5 2 History data Discharge information in Ah Deepest discharge The battery monitor remembers the deepest discharge and each time the battery is discharged deeper the old value will be overwritten Last discharge ...

Page 19: ...high voltage alarms 5 6 Alarms The battery monitor can raise an alarm in the following situations Low battery state of charge SOC Low battery voltage High battery voltage Low and high starter battery voltage if the AUX input has been set to Starter battery Midpoint voltage if the AUX input has been set to Midpoint High and Low battery temperature if the AUX input has been set to Temperature The al...

Page 20: ... does not perform a regular synchronisation the state of charge value will start to drift over time This is due to the small inaccuracies of the battery monitor and because of the estimation of the Peukert exponent 30 Once a battery has been fully charged and the charger has gone to the float stage the battery is full and the battery monitor will automatically synchronise by setting the state of c...

Page 21: ...n DC monitor mode Note that the wiring of a DC meter differs from battery monitor wiring see the Wiring for use as DC meter 7 chapter on how to wire When switching between modes it is recommended to reset all historical data Manual SmartShunt IP65 Page 17 Operation ...

Page 22: ...USB interface connection between the battery monitor and a computer Description A VE Direct to USB interface B Computer or laptop 6 2 Connecting to a GX device and the VRM portal A GX device such as the Cerbo GX is a Victron Energy device that provides control and monitoring for all Victron equipment that is connected to it Control and monitoring of the GX device and it s connected equipment can b...

Page 23: ...more information A usage example is a system with VE Smart networking that contains a battery monitor with a temperature sensor and a solar charger The solar charger receives the battery voltage and temperature information from the battery monitor and uses this information to optimise its charge parameters This will improve charging efficiency and will prolong battery life To make the battery moni...

Page 24: ...n advanced feature and requires programming knowledge The VE Direct communications port can be used to read data and change settings The VE Direct protocol is extremely simple to implement Transmitting data to the battery monitor is not necessary for simple applications the battery monitor automatically sends all readings every second All the details are explained in the Data communication with Vi...

Page 25: ... on the platform used For more information on these features see the VictronConnect manual 7 2 Battery settings The battery settings can be used to fine tune the battery monitor Please be careful when you change these settings as a change might affect the battery monitor s state of charge calculations 7 2 1 Battery capacity This parameter is used to tell the battery monitor how big the battery is ...

Page 26: ...ent Set the Peukert exponent parameter according to the battery specification sheet If the Peukert exponent is unknown set it at 1 25 for lead acid batteries and set it at 1 05 for lithium batteries A value of 1 00 disables the Peukert compensation The Peukert value for lead acid batteries can be calculated For more information on the Peukert calculation the Peukert exponent and how this relates t...

Page 27: ...d up resulting in a state of charge that is unknown until the first actual synchronisation Please be aware that situations can occur where special consideration is needed when setting this feature to ON One of these situations occurs in systems where the battery is often disconnected from the battery monitor for example on a boat If you leave the boat and disconnect the DC system via the main DC b...

Page 28: ...en press CALIBRATE in the VictronConnect app Performing a zero current calibration 7 3 Alarm settings The SmartShunt is not equipped with a buzzer or an alarm relay like the BMV series is The generated alarms are only visible on the VictronConnect app while connected to the SmartShunt or are used to send an alarm signal to a GX device Alarms are disabled by default To enable do the following In th...

Page 29: ...lue 1 1V 0 95 0V 0 1V Clear alarm value 1 0V 0 95 0V 0 1V 7 3 4 Low starter voltage alarm This setting is only available if the Aux input has been set to Starter battery see chapter Aux input 27 When enabled the alarm will activate when the starter battery voltage falls below the set value for more than 10 seconds The alarm will deactivate when the starter battery voltage rises above the clear val...

Page 30: ...ue 0 C 0 F 40 99 C 40 210 F 1 C 1 F Clear relay value 0 C 0 F 40 99 C 40 210 F 1 C 1 F 7 3 7 Low temperature alarm This setting is only available if the Aux input has been set to temperature see chapter Aux input 27 When enabled the alarm will activate when the battery temperature falls below the set value for more than 10 seconds The alarm will deactivate when the battery temperature rises above ...

Page 31: ...can change the Monitor mode setting in the Misc menu from Battery Monitor to DC Energy Meter If DC meter is selected you can select the following types Solar charger Wind charger Shaft generator Alternator Fuel cell Water generator DC DC charger AC charger Generic source Generic load Electric drive Fridge Water pump Bilge pump DC system Inverter Water heater When connected to a GX device the type ...

Page 32: ...t info section of the VictronConnect app or on the product information sticker on the battery monitor 7 5 5 Disabling and re enabling Bluetooth Bluetooth is enabled by default in the battery monitor If Bluetooth is not wanted it can be disabled This is done by sliding the Bluetooth switch in the product settings A reason to disable Bluetooth could be for security reasons or to eliminate unwanted t...

Page 33: ... to the battery monitor with an up to date version of the VictronConnect app it will check the firmware and if there is a newer version available it will ask you to update the firmware The VictronConnect app contains the actual firmware files so an internet connection is not needed to update to the most recent firmware as long as you are using the most up to date version of the VictronConnect app ...

Page 34: ...ttery monitor takes this phenomenon into account with Peukert exponent Discharge rate example A lead acid battery is rated at 100Ah at C20 this means that this battery can deliver a total current of 100A over 20 hours at a rate of 5A per hour C20 100Ah 5 x 20 100 When the same 100Ah battery is discharged completely in two hours its capacity is greatly reduced Because of the higher rate of discharg...

Page 35: ...tp www victronenergy com support and downloads software peukert calculator Please note that the Peukert exponent is no more than a rough approximation of reality In case of very high currents the battery will give even less capacity than predicted by a fixed exponent We do not recommend changing the default value in the battery monitor except in the case of lithium batteries Manual SmartShunt IP65...

Page 36: ... string voltage in half and comparing the two string voltage halves The midpoint deviation will be small when the battery bank is at rest and will increase At the end of the bulk phase during charging the voltage of well charged cells will increase rapidly while lagging cells still need more charging When discharging the battery bank until the voltage of the weakest cells starts to decrease rapidl...

Page 37: ...pint monitoring WRONG The midpoints are connected and without busbars or midpoint monitoring Due to the voltage drop over the positive and the negative cables the midpoint voltage is not identical GOOD The midpoints are not connected busbars are used and without midpoint monitoring GOOD The midpoints are connected busbars are used and with midpoint monitoring In an unmonitored battery bank the mid...

Page 38: ...dpoint alarm level at not more than d 2 This same percentage can be applied to a 12V battery bank with a 6V midpoint In case of a 48V battery bank consisting of 12V series connected batteries the influence of one battery on the midpoint is reduced by half The midpoint alarm level can therefore be set at a lower level 9 4 Alarm delay An alarm delay is in place to prevent the occurrence of alarms du...

Page 39: ...rlier and does not trip during charging some batteries or cells may have lost capacity or may have developed a higher internal resistance than others The battery bank may have reached the end of service life or one or more cells or batteries have developed a fault In case of series parallel connection disconnect the midpoint parallel connection wiring and measure the individual midpoint voltages d...

Page 40: ...ond battery 5 for connection instructions and a wiring diagram In case the temperature sensor is used The temperature sensor M8 cable lug must be connected to the positive pole of the battery bank the red wire of the sensor doubles as the power supply wire Check the fuse in the positive red cable Make sure the correct temperature sensor is used The MultiPlus temperature sensor does not work with t...

Page 41: ...nnect manual https www victronenergy com live victronconnect start 10 3 Incorrect readings 10 3 1 Charge and discharge current are inverted The charge current should be shown as a positive value For example 1 45A The discharge current should be shown as a negative value For example 1 45A If the charge and discharge currents are reversed the negative power cables on the battery monitor must be swap...

Page 42: ...ings Incorrect state of charge due to incorrect current reading The state of charge is calculated by looking at how much current flows in and out of the battery If the current reading is incorrect the state of charge will also be incorrect See paragraph Incomplete current reading 37 10 3 5 State of charge is missing This means that the battery monitor is in an unsynchronised state This can occur w...

Page 43: ...ading is missing Make sure that both batteries share a common negative and that the starter battery negative is connected to the load side of the battery monitor For instructions on how to correctly wire the starter battery see Aux connection for monitoring the voltage of a second battery 5 10 3 11 Synchronisation issues If the battery monitor does not synchronise automatically one possibility cou...

Page 44: ... EN 60335 1 Emission Immunity EN IEC 61000 6 1 EN IEC 61000 6 2 EN IEC 61000 6 3 Automotive EN 50498 Vbatt cable 1 5m red cable with 1A slow blow fuse and M10 eye terminal Aux cable 1 5m red cable with 1A slow blow fuse and M10 eye terminal VE Direct cable 1 5 black cable with VE Direct socket Temperature sensor Optional ASS000100000 A note regarding the range of the Bluetooth signal The shunt and...

Page 45: ... The very first production batch 50 pcs has a 30 cm VE Direct cable Manual SmartShunt IP65 Page 41 Technical data ...

Page 46: ...8 120 101 5 55 25 12 5 9 25 32 5 6 2x M10 2x 33 5 10 34 1 0 7 49 Rev03 Dimension Drawing Smart Shunt 500A SHU065150050 SmartShunt 500A 50mV IP65 Dimensions in mm D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B 8 7 6 5 F E Manual SmartShunt IP65 Page 42 Appendix ...

Page 47: ...mV IP65 Dimensions in mm D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B 8 7 6 5 F E 12 3 Dimensions SmartShunt IP65 2000A 168 127 9 25 103 5 10 58 34 1 13 2 96 2 18 7 168 148 8 55 5 48 6 12 8 23 9 6 56 25 6 4x M10x70 2x M10x15 4x Rev04 Dimension Drawing Smart Shunt 2000A SHU065220050 SmartShunt 2000A 50mV IP65 Dimensions in mm D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B 8 7 6 5 F E Manual SmartShunt ...

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