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Manual - SmartShunt Table of Contents 1. Safety precautions ................................................................................................................... 1 1.1. Battery safety warnings ..................................................................................................... 1 1.2. Transport and storage ...................................................................................................... 1 2. Introduction ....................................................
Manual - SmartShunt 7.1.6. Peukert exponent ............................................................................................... 7.1.7. Charge efficiency factor ........................................................................................ 7.1.8. Current threshold ................................................................................................ 7.1.9. Time-to-go averaging period ................................................................................... 7.1.10.
Manual - SmartShunt 11. Technical data ..................................................................................................................... 39 11.1. Technical data ............................................................................................................ 39 12. Appendix ........................................................................................................................... 40 12.1. Dimensions SmartShunt 500A .............................................
Manual - SmartShunt 1. Safety precautions 1.1. Battery safety warnings Working in the vicinity of a lead acid battery is dangerous. Batteries can generate explosive gases during operation. Never smoke or allow a spark or flame in the vicinity of a battery. Provide sufficient ventilation around the battery. Wear eye and clothing protection. Avoid touching eyes while working near batteries. Wash your hands when done. If battery acid contacts skin or clothing, wash them immediately with soap and water.
Manual - SmartShunt 2. Introduction 2.1. Battery monitor The SmartShunt is a battery monitor. It measures battery voltage and current. Based on these measurements, the battery state of charge and time to go is calculated. It also keeps track of historical data, such as deepest discharge, average discharge and number of charge/discharge cycles. The battery monitor can connect via Bluetooth to the VictronConnect app.
Manual - SmartShunt 2.5. Accessories These optional parts might be needed depending on your setup: • Temperature sensor for BMV - to measure the battery temperature. • GX device - 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 3. Installation 3.1. Mounting the SmartShunt The SmartShunt is rated IP21, it is not waterproof and has to be mounted in a dry location. The SmartShunt has two 5.5 mm holes for mounting purposes located in the base of the SmartShunt. The holes can be used to screw or bolt the SmartShunt onto a hard surface (screws are not included). - For the exact location of the mounting holes see the dimension drawing in the appendix of this manual.
Manual - SmartShunt 4. Connect the M10 terminal of the red cable with fuse to the positive terminal of the battery. The battery monitor is now powered up. . The Bluetooth LED will start blinking and Bluetooth is active. The battery monitor needs to be configured to be fully operational, for that see chapter Configuration [8].
Manual - SmartShunt 2. Connect the M10 lug of the second red cable with fuse to the positive terminal of the midpoint. Loads & Chargers For more information on midpoint monitoring and additional wiring diagrams see chapter Midpoint voltage monitoring [31]. 3.4.3. Auxiliary connection for temperature monitoring The Aux terminal can be used to monitor the temperature of a battery via the (not included) Temperature sensor for BMV-712 Smart and BMV-702 .
Manual - SmartShunt Loads & Chargers Battery bank 3.6. Wiring for use as DC meter When using the battery monitor as a DC meter, wire it to the device or circuit that needs to be monitored. Note that the battery monitor also needs to be configured as a DC monitor using the VictronConnect app before it will operate as a DC monitor. See the Configure for use as DC meter [11] chapter.
Manual - SmartShunt 4. Configuration Once the electrical connections have been made and the battery monitor has been powered up it needs to be configured so it is suitable for the system it is used in. This is done with the VictronConnect app. This chapter describes how to configure the battery monitor by making the basic settings. For all settings and features see chapter All features and settings [21]. 4.1.
Manual - SmartShunt This manual only covers the battery monitor specific items. For more general information on the VictronConnect app, like how use it and where to download it or how to connect, see the VictronConnect app product page and manual. 4.3. Update firmware On a new install, it is recommended to update the firmware of the battery monitor. If there is a newer firmware version available, the VictronConnect app will notify you of this as soon as a connection with the battery monitor is made.
Manual - SmartShunt 4.4.3. Set state of charge In VictronConnect see: Settings > Battery > Battery start synchronized. When set to ON, the battery monitor will consider itself synchronized when powered up, resulting in a state of charge of 100%. If set to OFF, the battery monitor will consider itself un-synchronized when powered up, resulting in a state of charge that is unknown until the first actual synchronization.
Manual - SmartShunt 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 about possible residual current draw, isolate the battery by opening the battery switch, by pulling the battery fuse(s) or by disconnecting the battery positive when the system is not in use. 4.6.
Manual - SmartShunt 5. Operation 5.1. How does the battery monitor work? The main function of the battery monitor is to follow and indicate the state of charge of a battery, to be able to know how much charge the battery contains and to prevent an unexpected total discharge. The battery monitor continuously measures the current flow in and out of the battery.
Manual - SmartShunt as it is a momentary readout and should be used as a guideline only. We recommend the use of the state of charge readout for accurate battery monitoring. If the “Time remaining” indicates three dashes: “---” this means that the battery monitor is in an unsynchronised state. This occurs when the battery monitor has just been installed or after it has been left unpowered and is powered up again. For more information, see see the Synchronising the battery monitor [15] chapter.
Manual - SmartShunt VictronConnect battery monitor trends. 5.5. History The battery monitor stores historic events. These can be used at a later date to evaluate usage patterns and battery health. The history data is stored in a non-volatile memory and will not be lost when the power supply to the battery monitor has been interrupted or when the battery monitor has been reset to its defaults. 5.5.1. Access history via VictronConnect The history can be accessed in the “History” tab in VictronConnect.
Manual - SmartShunt • Last discharge: The battery monitor keeps track of the discharge during the current cycle and displays the largest value recorded for Ah consumed since the last synchronisation. • Average discharge: The cumulative Ah drawn divided by the total number of cycles. • Cumulative Ah drawn: The cumulative number of Amp hours drawn from the battery over the lifetime of the battery monitor. Energy in kWh • Discharged energy: This is the total amount of energy drawn from the battery in kWh.
Manual - SmartShunt 5.7.1. Automatic synchronisation Synchronisation is an automatic process and will occur when the battery has been fully charged. The battery monitor will look at a few parameters to ascertain that the battery has been fully charged. It will consider the battery to be fully charged when the voltage has reached a certain value and the current has dropped below a certain value for a certain amount of time.
Manual - SmartShunt VictronConnect 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 how to wire. When switching between modes, it is recommended to reset all history data.
Manual - SmartShunt 6. Interfacing The battery monitor can be connected to other equipment, this chapter describes how this can be done. 6.1. VictronConnect via USB VictronConnect can not only connect via Bluetooth but it can also connect via USB. A USB connection is essential when connecting to the Windows version of VictronConnect and is optional when the MacOS or Android version us used. Please note that in case of connecting to an Android phone or tablet a “USB on the Go” cable might be needed.
Manual - SmartShunt Example of a battery monitor connecting to a GX device. # Description A VE.Direct cable B GX device C Local monitoring via WiFi or Ethernet D Internet E Remote monitoring via the VRM portal 6.3. Connecting to a VE.Smart network The VE.Smart network is a wireless network which allows a number of Victron products to exchange information via Bluetooth. The battery monitor can share battery voltage and temperature (optional temperature sensor needed) via Bluetooth using a VE.
Manual - SmartShunt Example of a system containing a battery monitor with temperature sensor and a solar charger, both using the VE.Smart network. # Description A Temperature sensor B Solar charger C VE.Smart network connection via Bluetooth 6.4. Custom integration Please note that this is an 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.
Manual - SmartShunt 7. All features and settings This chapter explains all battery monitor settings. In addition to this we also have a video available explaining these settings and how the interact with each other to achieve accurate battery monitoring for both lead acid and lithium batteries. Link to the video: https://www.youtube.com/embed/mEN15Z_S4kE 7.1. Battery settings These settings can be used to fine-tune the battery monitor.
Manual - SmartShunt 7.1.4. Tail current The battery is considered as “fully charged” once the charge current has dropped to less than the set “Tail current” parameter. The “Tail current” parameter is expressed as a percentage of the battery capacity. Remark: Some battery chargers stop charging when the current drops below a set threshold. In these cases, the tail current must be set higher than this threshold.
Manual - SmartShunt heavily. Selecting the longest time, 12 minutes, will ensure that only long-term load fluctuations are included in the “Time remaining” calculations. Default setting Range Step size 3 minutes 0.. 12 minutes 1 minute 7.1.10. Battery starts synchronised The battery state of charge will become 100% after the battery monitor is powered up. When ON, the battery monitor will consider itself synchronised when powered-up, resulting in a state of charge of 100%.
Manual - SmartShunt 7.2. 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. 7.2.1. SoC alarm setting When enabled, the alarm will activate when the state of charge falls below the set value for more than 10 seconds.
Manual - SmartShunt 7.2.5. High starter voltage alarm This setting is only available if the Aux input has been set to “Starter battery”. When enabled, the alarm will activate when starter battery voltage rises above the set value for more than 10 seconds. The alarm will deactivate when the starter battery voltage drops below the clear value. Default setting Range Disabled Disabled/Enabled When enabled Default setting Set value 1.1 V 0 - 95.0 V 0.1 V Clear value 1.0 V 0 - 95.0 V 0.1 V 7.2.6.
Manual - SmartShunt 7.3. Miscellaneous settings 7.3.1. Monitor Mode If you wish to use the battery monitor to monitor individual DC circuits, rather than as a whole-of-system battery monitor you can change the "Monitor mode" setting in the "Misc" menu from "Battery Monitor" to "DC Energy Meter".
Manual - SmartShunt 7.5.2. Custom name In the battery monitor product information screen, you can change the name of the battery monitor. By default, it is called by its product name. But a more applicable name might be needed, especially if you are using multiple battery monitors in close proximity of each other it might become confusing with which battery monitor you are communicating. You can, for example, add identification numbers to their name, like: Battery Monitor A, Battery Monitor B and so on.
Manual - SmartShunt Save settings to file - This will save settings for reference or for later use. Load settings from file - This will load earlier saved settings. Share settings file – This allows you to share the settings file via email, message, airdrop and so on. The available sharing options depend on the platform used. For more information on these features, see the VictronConnect manual. 7.7. Reset history This setting can be found at to bottom of the history tab.
Manual - SmartShunt 8. Battery capacity and Peukert exponent Battery capacity is expressed in Amp hour (Ah) and indicates how much current a battery can supply over time. For example, if a 100Ah battery is being discharged with a constant current of 5A, the battery will be totally discharged in 20 hours. The rate at which a battery is being discharged is expressed as the C rating. The C rating indicates how many hours a battery with a given capacity will last.
Manual - SmartShunt Calculation example using the 5h and the 20h rating The C5 rating is 75Ah. The t1 rating is 5h and I1 is calculated: The C20 rating is 100Ah. The t2 rating is 20h and I2 is calculated: The Peukert exponent is: A Peukert calculator is available at http://www.victronenergy.
Manual - SmartShunt 9. Midpoint voltage monitoring One bad cell or one bad battery can destroy a large, expensive battery bank. A short circuit or high internal leakage current in one cell for example will result in undercharge of that cell and overcharge of the other cells. Similarly, one bad battery in a 24V or 48V bank of several series/parallel connected 12V batteries can destroy the whole bank.
Manual - SmartShunt 9.1.2. Connecting and monitoring midpoint in a 48V battery bank Due to the voltage drop over the positive and the negative cables the midpoint voltage is not identical. In an unmonitored battery bank the midpoints should not be interconnected, one bad battery bank can go unnoticed and could damage all other batteries. Always use busbars when applying midpoint voltage monitoring. The cables to the busbars must all have the same length.
Manual - SmartShunt 15V (12V battery). Including a safety margin, the midpoint deviation should therefore remain below 2% during charging. When, for example, charging a 24V battery bank at 28.8V absorption voltage, a midpoint deviation of 2% would result in: Therefore: Obviously, a midpoint deviation of more than 2% will result in overcharging the top battery and undercharging the bottom battery. These are two good reasons to set the midpoint alarm level at not more than d = 2%.
Manual - SmartShunt • Charge and then test all batteries or cells individually. 9.7. The Battery Balancer A consideration can be made to add a Battery Balancer to the system. A Battery Balancer will equalize the state of charge of two series connected 12V batteries, or of several parallel strings of series connected batteries. When the charge voltage of a 24V battery system increases to more than 27.3V, the Battery Balancer will turn on and compare the voltage over the two series connected batteries.
Manual - SmartShunt 10. Troubleshooting 10.1. Functionality issues 10.1.1. Unit is dead On first connection the blue LED on the SmartShunt should be blinking. If this is not the case check the fuse in the Vbatt + cable and also check the cable itself and its terminals. Please note that the blue LED on the SmartShunt can also be off when Bluetooth has been disabled. The SmartShunt appears to be dead. See the Cannot connect via Bluetooth [35] chapter for instructions on how to fix this.
Manual - SmartShunt a vehicle or seawater around the hull of a boat, may reduce the range of the Bluetooth signal to an unacceptable level. The solution in such a case is to add a VE.Direct Bluetooth Dongle (ASS030536011) to the system, and to switch off Bluetooth in the SmartShunt. • Are you using the Windows version of the VictronConnect app? This version cannot do Bluetooth. Use Android, iOS or MacOS instead (or use the USB - VE.Direct interface).
Manual - SmartShunt 10.3.3. There is a current reading while no current flows If there is a current reading while no current is flowing through the battery monitor, perform a zero current calibration [23] while all loads are turned off or set the current threshold [22] . 10.3.4. Incorrect state of charge reading An incorrect state of charge can be caused by a variety of reasons.
Manual - SmartShunt • If the battery monitor does not detect that the battery has been fully charged you will need to check or adjust the charged voltage, tail current and/or charged time settings. For more information see Automatic synchronisation [16]. 10.3.7. State of charge always shows 100% One reason could be that the negative cables going in and out of the battery monitor have been wired the wrong way around, see Charge and discharge current are inverted [36]. 10.3.8.
Manual - SmartShunt 11. Technical data 11.1. Technical data SmartShunt Supply voltage range Current draw Input voltage range, auxiliary battery Battery capacity (Ah) Operating temperature range Measures voltage of second battery, temperature* or midpoint Temperature measurement range* VE.Direct communication port 500 A / 1000 A / 2000 A 6.5 - 70 VDC < 1mA 6.5 - 70 VDC 1 - 9999 Ah -40 +50°C (-40 - 120°F) Yes -20 +50°C Yes RESOLUTION & ACCURACY Current ± 0.01A Voltage ± 0.01V Amp hours ± 0.
Manual - SmartShunt 12. Appendix 12.1. Dimensions SmartShunt 500A 1 2 4 3 6 5 7 8 Dimension Drawing - Smart Shunt 500A SHU050150050 SmartShunt 500A/50mV A A 120 52.5 79 10 B B 34.3 33.5 8 0.6 C C 120 101.5 55 D 32.5 12.5 D 25 6(2x) M10(2x) 9.
Manual - SmartShunt 12.2. Dimensions SmartShunt 1000A 1 2 4 3 6 5 7 8 Dimension Drawing - Smart Shunt 1000A SHU050210050 SmartShunt 1000A/50mV A A 168 127 103.5 75 22 10 B B 34.3 58 25 12 9 C C 168 148.8 56.25 55.5 D D M10x15 12.5 25 E E 9.6 6(2x) M10x45(2x) Dimensions in mm F Rev01 F 1 2 3 5 4 6 7 8 6 7 8 12.3. Dimensions SmartShunt 2000A 1 2 3 4 5 168 A Dimension Drawing - Smart Shunt 2000A SHU050220050 SmartShunt 2000A/50mV A 127 100 103.
