Documentation Home Page ◇ Cell Monitoring Device Emulation Add-On for NI VeriStand Home page
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ADBMS6832
The ADBMS6832 is a virtualized integrated circuit designed to mimic the behavior of a real cell monitoring device. Within the VeriStand project, it is represented as a Device item in the configuration tree and is emulated on the FPGA of the Real-Time target upon project deployment. Each ADBMS6832 device in the Ring supports the monitoring of up to 18 battery cells, along with 10 GPIO and 2 General Purpose Analog Inputs (GPA) channels. Passive balancing functionality is also included.
Section Channels
Expand the Device section in the configuration tree to display the following VeriStand channels. Channel values can be dynamically modified during execution.
Some channel values are represented in hexadecimal or binary notation. For detailed instructions, please refer to How to Manage Hexadecimal and Binary Data in VeriStand.
Channel Name | Type | Format | Units | Default | Description |
|---|---|---|---|---|---|
Enable | Input | Binary |
| 1 | Enables or disables the emulated device during execution.
|
CRC Check | Input | Binary |
| 1 | Enables or disables the cyclic redundancy check (CRC) of the command packet error code (PEC) and data packet error code (DPEC) of the SPI transmissions received by the emulated device.
|
Port A Enable | Input | Binary |
| 1 | Enables or disables SPI transmission on the Port A side of the emulated device. Use this channel to simulate a fault in the SPI communication.
|
Port B Enable | Input | Binary |
| 1 | Enables or disables SPI transmission on the Port B side of the emulated device. Use this channel to simulate a fault in the SPI communication.
|
Redundancy Fault | Input | Binary |
| 0 | Forces a digital redundancy fault on the emulated device and stores a digital redundancy fault code in place of the ADC result.
|
Selftest Fault | Input | Binary |
| 0 | Obsolete. This channel does not impact the results of the emulation. |
CRC Error | Input | Binary |
| 0 | Forces a CRC error on the SPI transmissions originating from the emulated device.
|
Vref2 | Input | Decimal | V | 0 | Emulates the VREF2 pin of a real device. |
VA | Input | Decimal | V | 0 | Emulates the Analog Power Supply Voltage measurement on the device. The measured value is stored in the VA memory location within Status Register Group B. |
VD | Input | Decimal | V | 0 | Emulates the Digital Power Supply Voltage measurement on the device. The measured value is stored in the VD memory location within Status Register Group B. |
Internal Die Temperature | Input | Decimal | °C | 0 | Emulates the Internal Die Temperature Measurement on the device, in degrees Celsius. The Internal Die Temperature is subsequently used to calculate the ITMP value stored in Status Register Group A. |
Vres | Input | Decimal | V | 0 | Emulates the Resistor Voltage measurement on the device. The measured value is stored in the VRES memory location within Status Register Group B. |
VMV | Input | Decimal | V | 0 | Emulates the V- to V- voltage measurement on the device. The measured value is stored in the VPV memory location within Auxiliary Register Group D. |
VPV | Input | Decimal | V | 0 | Emulates the V+ to V- voltage measurement on the device. The measured value is stored in the VPV memory location within Auxiliary Register Group D. |
Cell Measurement x | Input | Decimal | V | 0 | Emulates the cell voltage measurement of Cell x. This measurement is taken between pin Cx and pin C(x-1) on a real device. |
Redundant Cell Measurement x | Input | Decimal | V | 0 | Emulates the redundant voltage measurement of Cell x. This measurement is taken between pin Sx and pin S(x-1) on a real device. |
GPIO x | Input | Decimal | V | 0 | Emulates pins GPIO1 through GPIO10, GPA11 and GPA12 of a real device. |
Open Wire Cx | Input | Binary |
| 0 | Emulates an open wire between the external cells. This open wire condition can be detected by enabling the OW bits on the ADCV and ADSV commands.
*On the ADBMS6832 this operation can only be perceived on the redundant voltage cell measurements (Sx Pins) groups. |
Open Wire GPIOx | Input | Binary |
| 0 | Emulates an open wire between the external GPIOs and GPAs (General Purpose Analog Inputs). This open wire condition can be detected enabling the OW bit on the ADAX command.
|
Serial ID | Input | Hexadecimal |
| 0 | Sets the Serial ID (SID) of the emulated device. To set the Default Value of this channel in the system definition, convert it to decimal notation. See How to Manage Hexadecimal and Binary Data in VeriStand Channels for more information. |
Open Wire GPIO PUPx | Input | Decimal |
| 0 | Defines the value to be detected where a GPIO has been opened ranging from 0V to 5.5V. *The Pull-up mode (PUP=0 or 1) has to match the bit chosen in the command as well as the input control in order to perform the operation. |
Connected GPIO PUPx | Input | Decimal |
| 0 | Defines the value to be detected where a GPIO has uninterrupted connection ranging from 0V to 5.5V. *The Pull-up mode (PUP=0 or 1) has to match the bit chosen in the command as well as the input control in order to perform the operation. |
STCOMM Reply Command | Input | Hexadecimal |
| 0 | When the STCOMM command is received from the SPI Master, the value of this channel is written to the COMM register of the emulated device. Map the command communication interface of an external device model, acting as an I2C or SPI slave, to this input channel. To set the Default Value of this channel in the system definition, convert it to decimal notation. See How to Manage Hexadecimal and Binary Data in VeriStand Channels for more information. |
STCOMM Reply Data | Input | Hexadecimal |
| 0 | When the STCOMM command is received from the SPI Master, the value of this channel is written to the COMM register of the emulated device. Map the data communication interface of an external device model, acting as an I2C or SPI slave, to this input channel. To set the Default Value of this channel in the system definition, convert it to decimal notation. See How to Manage Hexadecimal and Binary Data in VeriStand Channels for more information. |
Last Command Received | Output | Hexadecimal |
| 0 | Outputs the last command received from the SPI Master. |
Command CRC Check | Output | Binary |
| 0 | Binary flag indicating a Command CRC mismatch in the last transmission received from the SPI Master.
|
Data CRC Check | Output | Binary |
| 0 | Binary flag indicating a Data CRC mismatch in the last transmission received from the SPI Master.
|
PWM Discharge Control x | Output | Binary |
| 0 | Outputs the duty cycle of the PWM controlling the balancing switch for cell Cx. The value is represented in 4-bit binary format and corresponds to the PWMCn value. This channel can be mapped to the input of an external cell model to regulate its discharge process. |
Discharge Cell x | Output | Binary |
| 0 | Binary flag outputting the status of DCC bit x in Configuration Register Group B.
|
WRCOMM Command | Output | Hexadecimal |
| 0 | Outputs the command stored in the COMM register as a result of the latest WRCOMM command received from the SPI Master. Map this channel to the input of an external device model acting as an I2C or SPI slave. |
WRCOMM Data | Output | Hexadecimal |
| 0 | Outputs the data stored in the COMM register as a result of the latest WRCOMM command received from the SPI Master. Map this channel to the input of an external device model acting as an I2C or SPI slave. |
SPI Mode
The SPI Mode of the ADBMS6832 device is user configurable at the Ring level.
Supported Commands
The ADBMS6832 device supports the following SPI commands:
Command | Description |
|---|---|
Configuration Register Commands | |
WRCFGA | Write Configuration Register Group A |
WRCFGB | Write Configuration Register Group B |
RDCFGA | Read Configuration Register Group A |
RDCFGB | Read Configuration Register Group B |
Read Cell Voltage Results Registers | |
RDCVA | Read Cell Voltage Register Group A |
RDCVB | Read Cell Voltage Register Group B |
RDCVC | Read Cell Voltage Register Group C |
RDCVD | Read Cell Voltage Register Group D |
RDCVE | Read Cell Voltage Register Group E |
RDCVF | Read Cell Voltage Register Group F |
RDCVALL | Read All Cell Results |
Read Averaged Cell Voltage Results Registers The emulated device performs cell voltage sampling at the firmware level, meaning that the sampling rates are much higher than the execution rates of the VeriStand CMDE Add-on. For this reason, the Read Averaged Cell Voltage Results Registers will report the same values as the Cell Voltage Results Registers. | |
RDACA | Read Averaged Cell Voltage Register Group A |
RDACB | Read Averaged Cell Voltage Register Group B |
RDACC | Read Averaged Cell Voltage Register Group C |
RDACD | Read Averaged Cell Voltage Register Group D |
RDACE | Read Averaged Cell Voltage Register Group E |
RDACF | Read Averaged Cell Voltage Register Group F |
RDACALL | Read All Averaged Cell Results |
Read S-Voltage Result Registers | |
RDSVA | Read S Voltage Register Group A |
RDSVB | Read S Voltage Register Group B |
RDSVC | Read S Voltage Register Group C |
RDSVD | Read S Voltage Register Group D |
RDSVE | Read S Voltage Register Group E |
RDSVF | Read S Voltage Register Group F |
RDSALL | Read All S Results |
Read Filtered Cell Voltage Result Registers | |
RDFCA | |
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