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Nuvation BMS NUV300-BC-12, Installation Manual

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Nuvation BMS NUV300-BC-12 Installation Manual Download Page 28

• Connect pin 6 of the 

J6: Contactors / -V Power

 connector through a fuse to the negative end of

the stack

• Connect pin 1 of the 

J7: Current Shunt / +V Power

 connector directly to the load side of the current

shunt, or to ground

If the most negative end of the stack is grounded:

• A fuse is required at the positive power connection point only, in line with the connection to pin

1 of the 

J7: Current Shunt / +V Power

 connector

• Connect pin 1 of the 

J7: Current Shunt / +V Power

 connector through a fuse to the load side of the

current shunt

• Connect pin 6 of the 

J6: Contactors / -V Power

 connector directly to the negative end of the stack,

or to ground

If no ground connection exists within the stack or if a ground connection is made somewhere
other than at an end:

• Fuses are required at both the positive and negative power connection points to the Battery

Controller, in line with each of pin 1 of the 

J7: Current Shunt / +V Power

 connector and pin 6 of the

J6: Contactors / -V Power connector

• Connect pin 1 of the 

J7: Current Shunt / +V Power

 connector through a fuse to the load side of the

current shunt

• Connect pin 6 of the 

J6: Contactors / -V Power

 connector through a fuse to the negative end of

the stack

Fuse(s) are not supplied and must be selected based on the operating voltage range of the
connected battery stack. Use the following table as a guide to select either one or two fuses of the
same capacity.

Fuse current ratings

12V Battery (9-16V)

8A

24V Battery (18-32V) 4A

36V Battery (27-48V) 2.5A

48V Battery (36-60V) 2A

3AB/3AG fast-response cartridge fuses and in-line fuse holders are commonly
used for this application

An external 9-60V DC power source may be used (instead of the connected battery stack) to
power the Battery Controller and power the contactor coils. The positive of this source must
connect through a fuse to pin 1 of the 

J7: Current Shunt / +V Power

 connector and the negative of this

source must connect through a fuse to pin 6 of the 

J6: Contactors / -V Power

 connector. In this

situation, pin 5 of the 

J6: Contactors / -V Power

 connector must be connected directly to the most

negative end of the stack. This will connect the negative of the external power source to the most
negative end of the attached stack, so caution must be exercised when choosing the power source
to ensure that this is acceptable and safe.

Installation Guide - 2018-10-08, Rev. 2.0

26

Summary of Contents for BMS NUV300-BC-12

Page 1: ...Installation Guide Nuvation BMS Low Voltage Battery Controller 2018 10 08 Rev 2 0 Copyright 2018 Nuvation Energy ...

Page 2: ...and Contactor Drivers 5 3 5 Mechanical Dimensions 5 3 6 Electric Connections 6 3 6 1 Overview 6 3 6 2 J1 Link Out 6 3 6 3 J2 Ethernet Modbus TCP 7 3 6 4 J3 CAN 7 3 6 5 J4 RS485 Modbus RTU 8 3 6 6 J5 Control GPIO 8 3 6 7 J6 Contactors V Power 10 Connecting to Contactor Coils 11 3 6 8 J7 Current Shunt V Power 14 Connecting to a Current Shunt 15 3 6 9 J8 Cell Voltage Temperature 16 Battery Cell Conne...

Page 3: ...s and so high voltage with high current capacity may be present while connecting the Nuvation BMS You must use proper electrical safety precautions when handling any part of the Nuvation BMS Neither Nuvation Energy or any of its employees shall be liable for any direct indirect incidental special exemplary personal or consequential harm or damages including but not limited to procurement or substi...

Page 4: ...t application 1 1 About this Guide This Installation Guide Nuvation BMS Low Voltage Battery Controller provides wiring instructions to connect your Nuvation BMS Low Voltage Battery Controller to your system Once you have successfully completed the installation process please follow instructions in the Operator Interface Guide for accessing and configuring the Nuvation BMS Operator Interface for th...

Page 5: ...d as a complete battery management system to manage up to 12 or 16 battery cells in series An example configuration is shown in Nuvation Low Voltage BMS System Overview Figure 1 Nuvation Low Voltage BMS System Overview Installation Guide 2018 10 08 Rev 2 0 3 ...

Page 6: ... carrying 400mA of DC or RMS current when activated GPIO Circuit Diagram shows a high level circuit diagram for the GPO pins GPO_ISOx_B 60V DC Isolation GPO_ISOx_A Logic GPO x4 GPIO Figure 2 GPIO Circuit Diagram The general purpose and specific purpose FAULT_CLEAR FACTORY_RESET SHUTDOWN inputs to the Battery Controller are implemented using optical isolation components The current source for these...

Page 7: ...onnects its sense points to the Battery Controller at the J7 Current Shunt V Power connector Up to four system contactors may be connected and controlled by the Battery Controller connecting to the Battery Controller at the J6 Contactors V Power connector 3 5 Mechanical Dimensions The overall dimensions of the Battery Controller are 220mm X 125mm X 30mm Extra space should be provided around the mo...

Page 8: ...n 16 cells in series as such is the case with 2V lead acid cells This connector is used to connect to an additional cell interface module to manage more cells and thermistors Contact support nuvationenergy com for application details RJ 45 Plug Details describes a typical compatible plug for the J1 Link Out jack Table 1 RJ 45 Plug Details Conec 391J00039X Manufacturer Conec Housing 391J00039X Hous...

Page 9: ...e the operating parameters observe the status and perform maintenance such as firmware upgrades RJ 45 Plug Details describes a typical compatible plug for the J2 Ethernet Modbus TCP jack Table 3 Ethernet Modbus TCP Connector Pin Assignment Pin Connection Description Connected to Device 1 TD_P Transmit differential pair positive External Equipment 2 TD_N Transmit differential pair negative External...

Page 10: ...ttery Controller on stock production units Standard 120Ω termination must be installed at each end of the Modbus RTU network RJ 45 Plug Details describes a typical compatible plug for the J4 RS485 Modbus RTU jack Table 5 RS485 Modbus RJ45 Connector Pin Assignment Pin Connection Description Connected to Device 1 No Connect Not Connected No Connect 2 No Connect Not Connected No Connect 3 No Connect ...

Page 11: ...unction Connector Pin Assignment Pin Connection Description Connected to Device 1 GPO_ISO0_A Digital Output 0 External Equipment 2 GPO_ISO1_A Digital Output 1 External Equipment 3 GPO_ISO2_A Digital Output 2 External Equipment 4 GPO_ISO3_A Digital Output 3 External Equipment 5 5V_GPIO_ISO Isolated 5V I O Power Supply External Equipment 6 GPI_ISO0_K Input detector 0 External Equipment 7 GPI_ISO1_K ...

Page 12: ... 20 COMIO Isolated I O Power Supply Common Reference External Equipment 21 COMIO Isolated I O Power Supply Common Reference External Equipment 22 COMIO Isolated I O Power Supply Common Reference External Equipment 23 SHUTDOWN Momentary to COMIO to invoke shutdown Hold to COMIO to force shutdown Processor GPI via logic elements hard shutdown no software via logic elements with longer press 24 VBOT ...

Page 13: ...ler instead of the battery stack the VCOIL_RETURN pin 5 connection of J6 must be externally connected to the bottom of the battery stack If using a dedicated external power supply to power the contactor coils connect the common return of that supply to this pin Coil back EMF protection is provided by the Battery Controller that clamps at 40V External clamping diodes of lower voltages may be connec...

Page 14: ...Figure 4 Connection to J6 Two 24V contactor coils powered from internal supply Installation Guide 2018 10 08 Rev 2 0 12 ...

Page 15: ...Assignment Pin Connection Description Connected to Device 1 COM Negative Coil 1 Contactor 1 negative coil connection 2 COM Negative Coil 2 Contactor 2 negative coil connection 3 COM Negative Coil 3 Contactor 3 negative coil connection 4 COM Negative Coil 4 Contactor 4 negative coil connection Installation Guide 2018 10 08 Rev 2 0 13 ...

Page 16: ...sitive coil connection 10 COIL4_HI Positive Coil 4 Contactor 4 positive coil connection 11 VCOIL 12 24V Contactor Coil Power Supply Connect to external power supply or to pin 12 if driving contactor coil from internal power supply 12 24V Internal Power Supply Connect to pin 11 if driving contactor coils from internal power supply 3 6 8 J7 Current Shunt V Power J7 Current Shunt V Power plug housing...

Page 17: ...T_BAT and VSHUNT_LOAD carry the differential voltage measurement from the shunt VSHUNT_BAT must be closest to the battery cells and VSHUNT_LOAD must be closest to the Stack Fuse so that the measured current has the correct polarity Run all three wires close together to minimize outside interference Figure 6 Current shunt and Power fuse connection to J7 Table 11 Current Shunt Connector Pin Assignme...

Page 18: ...12 Connecting 12 cells to J8 and NUV300 BC 12 Connecting 8 cells to J8 for examples of how to connect cells to the NUV300 BC 12 NUV300 BC 16 Connected cells are monitored internally by two functional blocks each measuring eight cells C0 to C8 and C8 to C16 Each functional block requires a minimum of 11V across it to operate and measure its input voltages The total voltage across the stack can be u...

Page 19: ...r 6 VBOT_TEMP External Temperature Probe Reference 3 10kΩ NTC Thermistor 7 TPROBE4 External Temperature Probe Input 4 10kΩ NTC Thermistor 8 VBOT_TEMP External Temperature Probe Reference 4 10kΩ NTC Thermistor 9 TPROBE5 External Temperature Probe Input 5 10kΩ NTC Thermistor 10 VBOT_TEMP External Temperature Probe Reference 5 10kΩ NTC Thermistor 11 TPROBE6 External Temperature Probe Input 6 10kΩ NTC...

Page 20: ...LL0 Bottom of stack reference Connect to negative terminal of the lowest cell in the 12 or 16 cell module 40 VSTACK_SENSE Voltage sense reference Connect to negative terminal of the lowest cell in the 12 or 16 cell module Connecting to a Battery Controller 12 channel NUV300 BC 12 Refer to Battery Cell Voltage and Temperature Probes connector pin assignment for the pin name assignment of the cell v...

Page 21: ...Figure 7 NUV300 BC 12 Connecting 12 cells to J8 Installation Guide 2018 10 08 Rev 2 0 19 ...

Page 22: ...comprised of a sequentially connected subset of the connected cells and the groups may be of different cell counts to a maximum of eight cells per group It is important to connect all cells in ascending voltage order such that the negative terminal of the most negative bottom cell of the more negative group connects to VCELL0 of J8 and the positive terminal of each cell in that group connects in a...

Page 23: ... VCELL16 must be connected to VCELL16 NUV300 BC 16 Connecting 16 cells to J8 shows the connection of 16 cells to a NUV300 BC 12 controller It is recommended to use a NUV300 BC 12 for an 11 cell stack but if a NUV300 BC 16 must be used an example of the correct connection of 11 cells to a NUV300 BC 16 is presented in NUV300 BC 16 Preferred method of connecting 11 cells to J8 A less desirable connec...

Page 24: ...Figure 9 NUV300 BC 16 Connecting 16 cells to J8 Installation Guide 2018 10 08 Rev 2 0 22 ...

Page 25: ...Figure 10 NUV300 BC 16 Preferred method of connecting 11 cells to J8 Installation Guide 2018 10 08 Rev 2 0 23 ...

Page 26: ...Battery Controller supports monitoring of up to eight temperature channels for measuring cell temperature The sensors supported are negative temperature coefficient NTC thermistor type with a 25 C resistance of 10kΩ Thermistors supplied with the wiring harnesses may be one of the sensors listed in Thermistor details Refer to the Software Reference Manual for instructions on how to configure the Ba...

Page 27: ... contactor coils as well as the reference for the Battery Controller s internal circuitry and power supply Any connection to earth or chassis ground must be made outside of the Battery Controller The contactor coils return to the same potential as the most negative end of the attached stack regardless of whether this point is connected to ground An earth or chassis ground connection may be made to...

Page 28: ...t shunt Connect pin 6 of the J6 Contactors V Power connector through a fuse to the negative end of the stack Fuse s are not supplied and must be selected based on the operating voltage range of the connected battery stack Use the following table as a guide to select either one or two fuses of the same capacity Fuse current ratings 12V Battery 9 16V 8A 24V Battery 18 32V 4A 36V Battery 27 48V 2 5A ...

Page 29: ...Figure 13 Connection example for powering the Battery Controller from external DC power source Installation Guide 2018 10 08 Rev 2 0 27 ...

Page 30: ... time Nuvation Energy will make updates to the Nuvation BMS in response to changes in available technologies client requests emerging energy storage standards and other industry requirements The product specifications in this document therefore are subject to change without notice Copyright 2018 Nuvation Energy Installation Guide 2018 10 08 Rev 2 0 28 ...

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