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3.1.3.3.

Multiple inverters, multiple batteries

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Summary of Contents for SS4143-11

Page 1: ...INSTALLATION MANUAL SS4143 11 Advanced Lithium Ion battery 0 ...

Page 2: ...tery ON 11 Multicolor multipurpose button 12 Button function 12 Button indication 18 Firmware 19 How to Update 19 Communication 20 Pinout 21 Monitoring and control 22 CANBUS connection 23 CANBUS warnings and errors 25 BMS Warnings and Errors 26 Troubleshooting Warnings Errors 27 Warning register 29 Error register 32 Maximum charging discharging voltages for non supported devices 36 Annex A BMX EX ...

Page 3: ... paralleled to meet most residential applications The rated voltage is 51 2V nominal to suit 48V systems Larger systems are provided by Solar MD based on specific project requirements WARNING Read the entire document before installing or using the Solar MD battery Failure to comply with the instructions or warnings in this document could result in electrical shock or serious injury that can result...

Page 4: ...ormation is available upon request Safety Information This manual contains important instructions and warnings that must be followed when using SS4143 11 Read all instructions before installing and using the SS4143 11 Warnings Cautions Use SS4143 11 only as instructed For communication and other information please read the BMS manual Do not attempt to disassemble repair modify or tamper with this ...

Page 5: ...chanical relay NO Rated Current Ampere 200A C Rating 0 71C Number of battery modules 1 module Com CANBUS isolation Yes 1 5kV Weight 118kg Transportation protection Yes Operating voltage 44 8V 55 6Vdc Indicator Led programmable Communication CANBUS Addition IO 3 GPO Dimensions of SS4143 h w d mm 650 600 210 Cell balancing Passive balancing Net Weight of SS4143 118 kg Counters Cycle counters and SoH...

Page 6: ...Mechanical installation 5 ...

Page 7: ...Installing top cover plate Figure 3a Top cover installation single or multiple batteries in line 6 ...

Page 8: ...Figure 3b Battery spacing installation single or multiple batteries in line 7 ...

Page 9: ...Figure 3c Battery feet installation of battery feet 8 ...

Page 10: ...Electrical installation Step 1 Before connecting anything be sure that the battery ON OFF switch is at OFF position figure 4 Figure 4 BMS board component locations 9 ...

Page 11: ...e harmful to people Connecting the main battery terminal must be with the correct size cable based on the rated current of the battery and the charger inverter in case it s lower Figure 5 Connection terminals Step 2 Connect the negative cable to the battery negative busbar and positive cable to the battery positive busbar as shown in figure 5 10 ...

Page 12: ...tion A hot connection with difference in voltage can cause very high equalization current which can burn the fuses of the battery Caution Measure the voltage of the battery before connecting the DC cables Step 3 Turn the BMS board ON OFF switch to the ON position figure 4 Step 4 Connect Multipurpose button if not connected to the BMS board connector figure 4 Step 5 Hold the multi purpose button un...

Page 13: ...ious states of the battery with its built in LED Accessing quick function list Parameter Menu 1 Switching battery ON OFF Start by putting the ON OFF micro switch on the BMS into the ON position To switch the battery ON simply push and press the button until boards get illuminated To switch the battery OFF press and hold the MFB for 10 sec until the board switches all lights off 12 ...

Page 14: ... 6 To activate a function release the button when the desired function is selected then the LEDs will start blinking quickly for around 3 sec While the LED is blinking quickly press and release the MFB to confirm the function activation If no confirmation is triggered the operation will be canceled The available functions are Function 1 Reserved Function 2 By selecting function 2 you can toggle be...

Page 15: ...ickly Converting LEDs to values Group of LEDs can represent a single digit These digits can be simply read by a simple method of summing Each LED in the group represents a number LED 1 1 LED 2 2 LED 3 4 LED 4 8 LED 5 16 and LED 6 32 Summing the values of the illuminated LEDs will give you the calculated number Example Visual Representation Description 1 Sum up all the LEDs that are illuminated to ...

Page 16: ...e value 1 Reserved 2 Function of Indication LEDs 1 Show current flow and direction 2 Show battery capacity 3 LEDs off 3 Reserved 4 Enter Sub menu see below for more detail See table below for more info 5 Execute override OFF for 120 seconds 6 Execute override ON for 120 seconds 15 ...

Page 17: ...e 1 Operation mode 1 Test mode 2 Low voltage mode 3 Production mode 4 High voltage mode 2 Reserved 3 Inverter type Low voltage Mode 1 None Feature disabled 2 SMA 3 Victron 4 Sunsynk 5 Goodwe 6 Growatt 4 Reset Cluster Nodes 1 None 2 Reset 5 Reserved 6 Reserved 16 ...

Page 18: ...the Sub menu Quick press to navigate the sub menu until the 1st indication LED is blinking to enter the operation mode parameter 1 of the sub menu Long press to enter into the operation mode setting The CANBUS 1 2 and RS485 LEDs will now start blinking showing the current settings for the specific parameter it s currently showing Standalone mode Step 3 Quick press to navigate to production high vo...

Page 19: ...ination in a color based on the state of charge From RED at 0 SoC State of Charge to GREEN at 100 state of charge Color based on capacity with current direction based on shading For future development When this state has been selected the button shows flashing illumination in a color based on the state of charge and flashing code based on the electrical current direction charge discharge From RED ...

Page 20: ...the BMS as requested Firmware Update Settings Refresh Loaded Firmware info BMS Press Refresh to see the latest BMS firmware version that has been sent from the logger to the BMS Check Available Updates Press the Check button to see the latest BMS firmware version available Upload Available Firmware to BMS If the BMS firmware version is lower than the latest available firmware version then type in ...

Page 21: ...to two domains Each domain is marked in the board with white contour line and carries an isolation rating of 1500Vdc Isolated Domain 1 Screw connector 1 RJ45 connector 1 and RJ45 connector 2 are for the CANBUS 1 interface Isolated Domain 2 RJ45 connector 3 and RJ45 connector 4 are both denoted to the CANBUS 2 and RS485 interfaces as well as for the remote ON funtinction 20 ...

Page 22: ...4 Screw connector 2 Ph connector 1 Pin 1 CAN 1 Low Gnd Pin 2 CAN 1 high GND GND GND GND RX Pin 3 GND TX or 5v Pin 4 CAN 1 High CAN 1 High CAN 2 High CAN 2 High Tx or 5V Pin 5 CAN 1 Low CAN 1 Low CAN 2 Low CAN 2 Low Pin 6 Pin 7 REMOTE ON IN RS485 A REMOTE ON IN RS485 A REMOTE ON OUT Pin 8 REMOTE ON IN RS485 B REMOTE ON IN RS485 B REMOTE ON OUT 21 ...

Page 23: ...e value is expressed in voltage current and percentage of rated current and communicated to connected inverters via the logger or CANBUS 2 and RS485 ports Settings Charge Voltage Control Maximum and minimum cell voltage setpoint at which charging is permitted Discharge Voltage Control Maximum and minimum cell voltage setpoint at which discharging is permitted Charge Capacity Control Maximum and mi...

Page 24: ...r connecting SolarMD devices BMS EX BMS EM BMS PL Logger V series MPPT3000 The RJ45 connectors allow for easy daily chaining and the screw connector for simple connection with older models A maximum of 255 devices may be connected to the interface Each device is assigned a unique CABUS ID The range of the CANBUS ID s is from 640 895 CANBUS 2 For connecting the BMS directly to a compatible inverter...

Page 25: ... communication active Flash Orange 0 1s Establishing communication Green Line connected For stable communication a 120Ω termination selector switch is mounted on the board for each interface Note The first and last device in a chain should have terminations ON Figure 10 BMS communication ports 24 ...

Page 26: ... detected on the Bus Orange LED Flashing with 1 short pulse and 1 long pulse 3 Green LED Solid on Initialising BMS in auto configuration stage Orange LED Flashing fast 4 Green LED Solid on Duplicated BMS serial number Possible causes non genuine BMS connected Orange LED Flashing with 3 short pulses and 1 long pulse 5 Green LED Flashing fast Communicating Orange LED Off 25 ...

Page 27: ...l show a Battery capacity b Current flow and direction c Off The functionality of the indication LEDs are configurable see more on this multifunction push button 2 If the Warning LED is Orange a The indication LEDs will show the warning number in binary which corresponds to that tabulated below in the warning register 3 If the Error LED is Red a The indication LEDs will show the error number in bi...

Page 28: ...e contact support team or approved installer 21 The BMS is set for different number cells in series as the actually installed Contact your installer or Solar MD support team 22 Battery cell voltage is way too low Fill in the failure report and send to support solarmd co za The unit needs to return to the factory for testing 23 Battery cell voltage way too high The BMS will restart automatically af...

Page 29: ...stored in the BMS and sent to the connected data logger For each event generated a freeze frame is stored showing the exact battery conditions such as serial number date and time voltages current capacity and temperature at the time of the event Indication LEDs the BMS uses the indication LEDs on the board as well as the LEDs in the Multifunction push button to display warnings and errors Status a...

Page 30: ...e warning register 2 If the Error LED is Red a The indication LEDs will show the error number in binary which corresponds to that tabulated below in the error register Warning Register Warning Code Visual Representation Description If the Warning LED blinks ORANGE refer to the indication LEDs to find the corresponding warning event in the table below 31 Pending shutdown 30 Pending Awake High 29 Pe...

Page 31: ...ice coms failed 22 External Temperature sensor 3 missing or faulty 21 External Temperature sensor 2 missing or faulty 20 External Temperature sensor 1 missing or faulty 19 Temperature Control Discharge Overcurrent 18 Temperature Control Charge Overcurrent 17 Remote device warning number 3 Specific to connected control device 30 ...

Page 32: ...evice 14 One or more batteries in the cluster are offline 13 Cluster not settings not set 12 Duplicate BMS serial number in cluster 11 Discharge current too high 10 Charge current too high 9 Cell temperature too low 8 Cell temperature too high 6 Different BMS firmware versions detected in the clusters 2 Battery cell voltage too high 31 ...

Page 33: ...tion If the Error LED blinks RED refer to the indication LEDs to find the corresponding Error event in the table below 31 Max 14921 not responding Cell monitoring 30 BMS Memory Failure 29 Open cell detected 28 Internal EEPROM error 27 External EEPROM error 26 ADC Reference not correct 32 ...

Page 34: ...ontrol Discharge Overcurrent 21 Temperature Control Charge Over current 20 Undervoltage Shutdown 19 Shutdown Protection Override Out of Range 18 Over Voltage Sleep Awake 17 Over Voltage Sleep 16 Under Voltage Sleep 15 Charging Over Current 14 Discharging Over Current 33 ...

Page 35: ...Required 10 Protection Relay Coil Over Current 9 Protection Relay fuse blown 8 Protection Relay coil open 7 Gyro Z out of range 6 Gyro Y out of range 5 Gyro X out of range 4 External Temperature sensor 3 missing or faulty 3 External Temperature sensor 2 missing or faulty 34 ...

Page 36: ...al Temperature sensor 1 missing or faulty 1 Shunt Temperature Sensor Fault 0 BMS initialising This is not an error state but the BMS will not close the relay until all checks are complete during BMS startup 35 ...

Page 37: ...rence on the inverter display and the battery terminals 0 3C discharge charge current If so adjust the values above Please check if your inverter charger has been approved by Solar MD and it is CAN bus compatible For the latest Solar MD installation documents go to https www solarmd com inverter compatibility solarmd To secure the full 12 year product warranty for the end user be sure to register ...

Page 38: ...Annex A BMS EX Inverter Charger control and Cluster operation 37 ...

Page 39: ... 39 General Information 39 Supported Inverters 39 SMA 39 Victron 39 Sunsynk Deye 39 Goodwe 39 Device Connection 40 SMA 40 Sunsynk 44 Victron 47 Goodwe 51 Battery Cluster 53 Cluster Data 53 Master Battery 52 Warnings 54 Cluster Reset 54 38 ...

Page 40: ... be set via the LoggerV or by using the battery multifunction push button When using the multi function push button navigate to Sub Menu Parameter 4 then Sub Parameter 3 Inverter type and select a value from 1 None function reserved 2 SMA 3 Victron 4 Sunsynk 5 Goodwe Refer to the LoggerV manual and the BMS EX manual for information on how to configure the Battery for a specific inverter 2 1 SMA Fu...

Page 41: ... the Level 1 protection are defined depending on the application Detailed information can be found in 2 Level 2 The second level of the battery preservation mode ensures that the Sunny Island is started regularly every two hours only in the time period during which energy supply for example PV Energy is expected In case of grid connected application recharging from grid is also initiated The corre...

Page 42: ...er settings 3 1 2 1 To enable CAN BUS communication on the inverter you will need to login to the inverters web server with Installer credentials Onstep 7 Battery configuration of the SMA installation assistant select the Lithium Ion Li Ion option and type in the installed battery capacity in Ah 3 1 2 2 The inverter by default is set to not allow grid feed in export It has a settable limit of 100W...

Page 43: ...ce Click on the Device Parameter tab and then open the AC Side and Power Monitoring drop downs 3 1 3 Communication Cable Connection It is recommended that CAT5e cable be used The termination resistor on the last battery should be ON the rest should be OFF Note When connecting multiple inverters refer to the inverter manual for more information 3 1 3 1 Single inverter Single battery 3 1 3 2 Single ...

Page 44: ...3 1 3 3 Multiple inverters multiple batteries 43 ...

Page 45: ...When the battery s discharge control drops below 30 it will send this command to the inverter forcing it to charge the battery If no charge source Grid or PV is available the inverter will go into error mode F56 DC_VoltLow_Fault and will stop supplying the load until another source of energy is available 3 1 4 1 4 Request force charge II When the battery s discharge control drops below 15 it will ...

Page 46: ... Multiple inverter multiple batteries 3 1 6 Inverter settings 3 1 6 1 To enable CAN BUS communication on the inverter you will need to select the lithium setting on the inverter Navigate to Settings Battery Setup Batt type then select Lithium as battery type and CAN for inverter protocol 45 ...

Page 47: ...Note The image below might differ depending on the firmware version of your inverter display 46 ...

Page 48: ...uld be ON the rest should be OFF Note When connecting multiple inverters refer to the inverter manual for more information RJ45 Victron VE Can side RJ45 Battery side T568B standard Pin 1 Pin 1 Pin 2 Pin 2 GND Pin 3 GND Pin 3 Pin 4 Pin 4 CAN H Pin 5 Pin 5 CAN L Pin 6 Pin 6 Pin 7 CAN H Pin 7 Pin 8 CAN L Pin 8 3 2 2 1 Single GX data logger Single battery connection 47 ...

Page 49: ...MS of LoggerV manual to configure the CANBUS 2 interface for a Victron device Note After changing CANBUS 2 settings on the battery the Victron GX device will need to be rebooted 3 2 4 Inverter settings 3 2 4 1 Set all batteries to 3 2 4 2 Ensure the BMS Can port interface is set to 500kbit s 48 ...

Page 50: ...onitor displays a steadily increasing value for both TX packets and RX packets Errors overruns and dropped packets are an indication of an issue with the cabling cable terminations inverter CAN BUS interface settings or battery CAN BUS interface setting 3 2 5 Victron GX Data from the battery 49 ...

Page 51: ...3 2 5 1 Battery modules value which represent Cluster DC Connected batteries as Online and sum of DC disconnected and Cluster Offline as offline 50 ...

Page 52: ...3 3 Goodwe 3 3 1 General Information 3 3 2 Communication Cable Connection 3 3 2 1 Single inverter Single battery 3 3 2 2 Single inverter Multiple battery 51 ...

Page 53: ...o its WiFi signal using password 12345678 Then open the Goodwe PV Master application Navigate to the Settings tab then click on Basic Settings the password of which is goodwe2010 In the battery model settings page select the SolarMD drop down then tick SolarMD SS 52 ...

Page 54: ...tteries in the cluster which are not visible to the cluster These are the batteries switched off or removed Average Capacity Average capacity from all DC Connected batteries Total Current The sum of the current from all DC Connected batteries Average Voltage Average voltage from all DC Connected batteries Charge Control Current Battery internal Algorithm based on CSD input used to calculate Charge...

Page 55: ...f or is removed from a cluster the remaining batteries will show a warning number 14 displayed on each BMS indication LED In case the battery has been replaced in the cluster all batteries must be reset A cluster reset can be done by one of two methods 1 If the battery is connected to a logger on the MyPower24 monitoring portal navigate to My Devices then select the battery you want to reset Selec...

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